inferno-ai 0.10.3

#![allow(dead_code, unused_imports, unused_variables, clippy::ptr_arg)]
use anyhow::Result;
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::path::PathBuf;
use std::sync::Arc;
use tokio::sync::RwLock;
use uuid::Uuid;

#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct BackupRecoveryConfig {
    pub enabled: bool,
    pub backup_strategy: BackupStrategy,
    pub retention_policy: RetentionPolicy,
    pub compression: CompressionConfig,
    pub encryption: EncryptionConfig,
    pub destinations: Vec<BackupDestination>,
    pub scheduling: SchedulingConfig,
    pub monitoring: MonitoringConfig,
    pub disaster_recovery: DisasterRecoveryConfig,
    pub replication: ReplicationConfig,
    pub notification: NotificationConfig,
    pub metadata_storage: MetadataStorageConfig,
    pub validation: ValidationConfig,
    pub performance: PerformanceConfig,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupStrategy {
    pub strategy_type: BackupType,
    pub incremental_strategy: IncrementalStrategy,
    pub full_backup_interval: String, // cron expression
    pub differential_backup_interval: Option<String>,
    pub incremental_backup_interval: Option<String>,
    pub snapshot_strategy: SnapshotStrategy,
    pub parallel_streams: usize,
    pub chunk_size_mb: usize,
    pub deduplication: bool,
    pub verify_after_backup: bool,
}

impl Default for BackupStrategy {
    fn default() -> Self {
        Self {
            strategy_type: BackupType::Incremental,
            incremental_strategy: IncrementalStrategy::FileLevel,
            full_backup_interval: "0 2 * * 0".to_string(), // Weekly on Sunday at 2 AM
            differential_backup_interval: Some("0 2 * * 3".to_string()), // Wednesday at 2 AM
            incremental_backup_interval: Some("0 2 * * 1,2,4,5,6".to_string()), // Daily except Sunday and Wednesday
            snapshot_strategy: SnapshotStrategy::FileSystem,
            parallel_streams: 4,
            chunk_size_mb: 64,
            deduplication: true,
            verify_after_backup: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum BackupType {
    Full,
    Incremental,
    Differential,
    Snapshot,
    ContinuousDataProtection,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum IncrementalStrategy {
    FileLevel,
    BlockLevel,
    ByteLevel,
    DatabaseLog,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum SnapshotStrategy {
    FileSystem,
    ApplicationConsistent,
    CrashConsistent,
    CopyOnWrite,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RetentionPolicy {
    pub daily_retention_days: u32,
    pub weekly_retention_weeks: u32,
    pub monthly_retention_months: u32,
    pub yearly_retention_years: u32,
    pub legal_hold: bool,
    pub compliance_retention: Option<ComplianceRetention>,
    pub auto_cleanup: bool,
    pub archive_after_days: Option<u32>,
    pub deep_archive_after_days: Option<u32>,
}

impl Default for RetentionPolicy {
    fn default() -> Self {
        Self {
            daily_retention_days: 7,
            weekly_retention_weeks: 4,
            monthly_retention_months: 12,
            yearly_retention_years: 7,
            legal_hold: false,
            compliance_retention: None,
            auto_cleanup: true,
            archive_after_days: Some(90),
            deep_archive_after_days: Some(365),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ComplianceRetention {
    pub regulation: String, // GDPR, HIPAA, SOX, etc.
    pub minimum_retention_years: u32,
    pub immutable: bool,
    pub audit_trail: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CompressionConfig {
    pub enabled: bool,
    pub algorithm: CompressionAlgorithm,
    pub level: u8, // 1-9 for most algorithms
    pub block_size_kb: usize,
    pub dictionary_size_mb: Option<usize>,
}

impl Default for CompressionConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            algorithm: CompressionAlgorithm::Zstd,
            level: 6,
            block_size_kb: 1024,
            dictionary_size_mb: Some(16),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum CompressionAlgorithm {
    Gzip,
    Zstd,
    Lz4,
    Bzip2,
    Xz,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EncryptionConfig {
    pub enabled: bool,
    pub algorithm: EncryptionAlgorithm,
    pub key_management: KeyManagement,
    pub at_rest_encryption: bool,
    pub in_transit_encryption: bool,
    pub key_rotation_days: u32,
    pub integrity_verification: bool,
}

impl Default for EncryptionConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            algorithm: EncryptionAlgorithm::Aes256Gcm,
            key_management: KeyManagement::Internal,
            at_rest_encryption: true,
            in_transit_encryption: true,
            key_rotation_days: 90,
            integrity_verification: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum EncryptionAlgorithm {
    Aes256Gcm,
    Aes256Cbc,
    ChaCha20Poly1305,
    Aes128Gcm,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum KeyManagement {
    Internal,
    Aws,
    Azure,
    Gcp,
    HashiCorpVault,
    External(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupDestination {
    pub name: String,
    pub destination_type: DestinationType,
    pub config: DestinationConfig,
    pub priority: u8, // 1-10, higher is more preferred
    pub enabled: bool,
    pub max_bandwidth_mbps: Option<u32>,
    pub retry_config: RetryConfig,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum DestinationType {
    LocalFileSystem,
    NetworkFileSystem,
    S3Compatible,
    AzureBlob,
    GoogleCloudStorage,
    FtpSftp,
    Tape,
    ObjectStorage(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DestinationConfig {
    pub endpoint: Option<String>,
    pub bucket_container: Option<String>,
    pub path: PathBuf,
    pub credentials: CredentialsConfig,
    pub region: Option<String>,
    pub storage_class: Option<String>,
    pub connection_timeout_secs: u32,
    pub upload_timeout_secs: u32,
    pub multipart_threshold_mb: usize,
    pub multipart_chunk_size_mb: usize,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CredentialsConfig {
    pub access_key: Option<String>,
    pub secret_key: Option<String>,
    pub token: Option<String>,
    pub credentials_file: Option<PathBuf>,
    pub use_instance_profile: bool,
    pub use_environment: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RetryConfig {
    pub max_attempts: u8,
    pub initial_delay_secs: u32,
    pub max_delay_secs: u32,
    pub backoff_multiplier: f64,
    pub retry_on_network_error: bool,
    pub retry_on_rate_limit: bool,
}

impl Default for RetryConfig {
    fn default() -> Self {
        Self {
            max_attempts: 3,
            initial_delay_secs: 1,
            max_delay_secs: 300,
            backoff_multiplier: 2.0,
            retry_on_network_error: true,
            retry_on_rate_limit: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SchedulingConfig {
    pub enabled: bool,
    pub timezone: String,
    pub maintenance_windows: Vec<MaintenanceWindow>,
    pub auto_pause_on_high_load: bool,
    pub load_threshold_cpu_percent: f32,
    pub load_threshold_memory_percent: f32,
    pub load_threshold_io_percent: f32,
    pub priority: SchedulingPriority,
}

impl Default for SchedulingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            timezone: "UTC".to_string(),
            maintenance_windows: vec![],
            auto_pause_on_high_load: true,
            load_threshold_cpu_percent: 80.0,
            load_threshold_memory_percent: 85.0,
            load_threshold_io_percent: 90.0,
            priority: SchedulingPriority::Normal,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MaintenanceWindow {
    pub name: String,
    pub start_time: String,    // HH:MM format
    pub end_time: String,      // HH:MM format
    pub days_of_week: Vec<u8>, // 0=Sunday, 6=Saturday
    pub allow_backup: bool,
    pub allow_recovery: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum SchedulingPriority {
    Low,
    Normal,
    High,
    Critical,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MonitoringConfig {
    pub enabled: bool,
    pub metrics_collection: bool,
    pub alerting: AlertingConfig,
    pub logging: LoggingConfig,
    pub health_checks: HealthCheckConfig,
    pub reporting: ReportingConfig,
}

impl Default for MonitoringConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            metrics_collection: true,
            alerting: AlertingConfig::default(),
            logging: LoggingConfig::default(),
            health_checks: HealthCheckConfig::default(),
            reporting: ReportingConfig::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AlertingConfig {
    pub enabled: bool,
    pub channels: Vec<NotificationChannel>,
    pub rules: Vec<AlertRule>,
    pub escalation_policy: EscalationPolicy,
}

impl Default for AlertingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            channels: vec![],
            rules: vec![],
            escalation_policy: EscalationPolicy::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NotificationChannel {
    pub name: String,
    pub channel_type: NotificationChannelType,
    pub config: HashMap<String, String>,
    pub enabled: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum NotificationChannelType {
    Email,
    Slack,
    Teams,
    Webhook,
    Sms,
    PagerDuty,
    OpsGenie,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AlertRule {
    pub name: String,
    pub condition: String,
    pub severity: AlertSeverity,
    pub enabled: bool,
    pub channels: Vec<String>,
    pub throttle_minutes: Option<u32>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum AlertSeverity {
    Info,
    Warning,
    Critical,
    Emergency,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EscalationPolicy {
    pub levels: Vec<EscalationLevel>,
    pub auto_resolve: bool,
    pub auto_resolve_timeout_minutes: u32,
}

impl Default for EscalationPolicy {
    fn default() -> Self {
        Self {
            levels: vec![],
            auto_resolve: false,
            auto_resolve_timeout_minutes: 60,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EscalationLevel {
    pub delay_minutes: u32,
    pub channels: Vec<String>,
    pub repeat_count: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LoggingConfig {
    pub enabled: bool,
    pub level: String,
    pub format: String,
    pub output: LogOutput,
    pub retention_days: u32,
    pub max_size_mb: usize,
    pub structured_logging: bool,
}

impl Default for LoggingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            level: "info".to_string(),
            format: "json".to_string(),
            output: LogOutput::File,
            retention_days: 30,
            max_size_mb: 100,
            structured_logging: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum LogOutput {
    Console,
    File,
    Syslog,
    Remote(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthCheckConfig {
    pub enabled: bool,
    pub interval_seconds: u32,
    pub timeout_seconds: u32,
    pub checks: Vec<HealthCheck>,
}

impl Default for HealthCheckConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            interval_seconds: 60,
            timeout_seconds: 30,
            checks: vec![],
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthCheck {
    pub name: String,
    pub check_type: HealthCheckType,
    pub config: HashMap<String, String>,
    pub critical: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum HealthCheckType {
    DiskSpace,
    NetworkConnectivity,
    ServiceHealth,
    BackupDestination,
    DatabaseConnection,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReportingConfig {
    pub enabled: bool,
    pub frequency: ReportFrequency,
    pub recipients: Vec<String>,
    pub format: ReportFormat,
    pub include_metrics: bool,
    pub include_trends: bool,
    pub include_recommendations: bool,
}

impl Default for ReportingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            frequency: ReportFrequency::Weekly,
            recipients: vec![],
            format: ReportFormat::Html,
            include_metrics: true,
            include_trends: true,
            include_recommendations: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ReportFrequency {
    Daily,
    Weekly,
    Monthly,
    Quarterly,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ReportFormat {
    Html,
    Pdf,
    Json,
    Csv,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DisasterRecoveryConfig {
    pub enabled: bool,
    pub rpo_minutes: u32, // Recovery Point Objective
    pub rto_minutes: u32, // Recovery Time Objective
    pub replication_strategy: ReplicationStrategy,
    pub failover_strategy: FailoverStrategy,
    pub testing: DisasterRecoveryTesting,
    pub documentation: DocumentationConfig,
    pub automation: AutomationConfig,
    pub communication: CommunicationPlan,
}

impl Default for DisasterRecoveryConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            rpo_minutes: 60,  // 1 hour RPO
            rto_minutes: 240, // 4 hours RTO
            replication_strategy: ReplicationStrategy::Asynchronous,
            failover_strategy: FailoverStrategy::Manual,
            testing: DisasterRecoveryTesting::default(),
            documentation: DocumentationConfig::default(),
            automation: AutomationConfig::default(),
            communication: CommunicationPlan::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ReplicationStrategy {
    Synchronous,
    Asynchronous,
    SemiSynchronous,
    Snapshot,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum FailoverStrategy {
    Manual,
    Automatic,
    SemiAutomatic,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DisasterRecoveryTesting {
    pub enabled: bool,
    pub frequency: TestFrequency,
    pub test_types: Vec<TestType>,
    pub automated_testing: bool,
    pub documentation_required: bool,
    pub rollback_testing: bool,
}

impl Default for DisasterRecoveryTesting {
    fn default() -> Self {
        Self {
            enabled: true,
            frequency: TestFrequency::Quarterly,
            test_types: vec![TestType::Tabletop, TestType::Simulation],
            automated_testing: true,
            documentation_required: true,
            rollback_testing: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum TestFrequency {
    Monthly,
    Quarterly,
    SemiAnnually,
    Annually,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum TestType {
    Tabletop,
    Simulation,
    Partial,
    Full,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DocumentationConfig {
    pub auto_generate: bool,
    pub update_frequency: UpdateFrequency,
    pub include_runbooks: bool,
    pub include_contact_info: bool,
    pub include_procedures: bool,
    pub version_control: bool,
}

impl Default for DocumentationConfig {
    fn default() -> Self {
        Self {
            auto_generate: true,
            update_frequency: UpdateFrequency::AfterChanges,
            include_runbooks: true,
            include_contact_info: true,
            include_procedures: true,
            version_control: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum UpdateFrequency {
    AfterChanges,
    Weekly,
    Monthly,
    Quarterly,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AutomationConfig {
    pub enabled: bool,
    pub orchestration_tool: OrchestrationTool,
    pub scripts: Vec<AutomationScript>,
    pub triggers: Vec<AutomationTrigger>,
    pub approval_required: bool,
}

impl Default for AutomationConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            orchestration_tool: OrchestrationTool::Internal,
            scripts: vec![],
            triggers: vec![],
            approval_required: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum OrchestrationTool {
    Internal,
    Ansible,
    Terraform,
    Kubernetes,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AutomationScript {
    pub name: String,
    pub script_type: ScriptType,
    pub path: PathBuf,
    pub parameters: HashMap<String, String>,
    pub timeout_seconds: u32,
    pub retry_count: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ScriptType {
    Shell,
    Python,
    PowerShell,
    Ansible,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AutomationTrigger {
    pub name: String,
    pub trigger_type: TriggerType,
    pub condition: String,
    pub actions: Vec<String>,
    pub enabled: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum TriggerType {
    Alert,
    Metric,
    Schedule,
    Manual,
    External,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CommunicationPlan {
    pub enabled: bool,
    pub stakeholders: Vec<Stakeholder>,
    pub escalation_matrix: Vec<EscalationEntry>,
    pub communication_channels: Vec<CommunicationChannel>,
    pub templates: Vec<MessageTemplate>,
}

impl Default for CommunicationPlan {
    fn default() -> Self {
        Self {
            enabled: true,
            stakeholders: vec![],
            escalation_matrix: vec![],
            communication_channels: vec![],
            templates: vec![],
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Stakeholder {
    pub name: String,
    pub role: String,
    pub contact_info: ContactInfo,
    pub responsibilities: Vec<String>,
    pub escalation_level: u8,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContactInfo {
    pub email: Option<String>,
    pub phone: Option<String>,
    pub mobile: Option<String>,
    pub alternative_contact: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EscalationEntry {
    pub level: u8,
    pub stakeholders: Vec<String>,
    pub timeout_minutes: u32,
    pub auto_escalate: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CommunicationChannel {
    pub name: String,
    pub channel_type: CommunicationChannelType,
    pub config: HashMap<String, String>,
    pub priority: u8,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum CommunicationChannelType {
    Email,
    Sms,
    Slack,
    Teams,
    Phone,
    Dashboard,
    StatusPage,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MessageTemplate {
    pub name: String,
    pub template_type: MessageTemplateType,
    pub subject: String,
    pub body: String,
    pub channels: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum MessageTemplateType {
    Incident,
    Update,
    Resolution,
    Maintenance,
    Test,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReplicationConfig {
    pub enabled: bool,
    pub replication_type: ReplicationType,
    pub targets: Vec<ReplicationTarget>,
    pub conflict_resolution: ConflictResolution,
    pub bandwidth_throttling: BandwidthThrottling,
    pub monitoring: ReplicationMonitoring,
}

impl Default for ReplicationConfig {
    fn default() -> Self {
        Self {
            enabled: false,
            replication_type: ReplicationType::Asynchronous,
            targets: vec![],
            conflict_resolution: ConflictResolution::LastWriterWins,
            bandwidth_throttling: BandwidthThrottling::default(),
            monitoring: ReplicationMonitoring::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ReplicationType {
    Synchronous,
    Asynchronous,
    SemiSynchronous,
    Bidirectional,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReplicationTarget {
    pub name: String,
    pub endpoint: String,
    pub credentials: CredentialsConfig,
    pub enabled: bool,
    pub priority: u8,
    pub filters: Vec<ReplicationFilter>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReplicationFilter {
    pub filter_type: FilterType,
    pub pattern: String,
    pub action: FilterAction,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum FilterType {
    Include,
    Exclude,
    Transform,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum FilterAction {
    Allow,
    Deny,
    Modify,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ConflictResolution {
    LastWriterWins,
    FirstWriterWins,
    Manual,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BandwidthThrottling {
    pub enabled: bool,
    pub max_bandwidth_mbps: Option<u32>,
    pub schedule: Vec<BandwidthSchedule>,
    pub adaptive: bool,
}

impl Default for BandwidthThrottling {
    fn default() -> Self {
        Self {
            enabled: false,
            max_bandwidth_mbps: None,
            schedule: vec![],
            adaptive: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BandwidthSchedule {
    pub start_time: String,
    pub end_time: String,
    pub days_of_week: Vec<u8>,
    pub max_bandwidth_mbps: u32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReplicationMonitoring {
    pub enabled: bool,
    pub lag_threshold_seconds: u32,
    pub error_threshold_count: u32,
    pub health_check_interval_seconds: u32,
    pub alerting: bool,
}

impl Default for ReplicationMonitoring {
    fn default() -> Self {
        Self {
            enabled: true,
            lag_threshold_seconds: 300, // 5 minutes
            error_threshold_count: 5,
            health_check_interval_seconds: 60,
            alerting: true,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NotificationConfig {
    pub enabled: bool,
    pub channels: Vec<NotificationChannel>,
    pub templates: Vec<NotificationTemplate>,
    pub rate_limiting: RateLimiting,
    pub escalation: NotificationEscalation,
}

impl Default for NotificationConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            channels: vec![],
            templates: vec![],
            rate_limiting: RateLimiting::default(),
            escalation: NotificationEscalation::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NotificationTemplate {
    pub name: String,
    pub event_type: EventType,
    pub subject: String,
    pub body: String,
    pub format: TemplateFormat,
    pub variables: HashMap<String, String>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum EventType {
    BackupStarted,
    BackupCompleted,
    BackupFailed,
    RestoreStarted,
    RestoreCompleted,
    RestoreFailed,
    ReplicationLag,
    HealthCheckFailed,
    MaintenanceWindow,
    DisasterRecoveryActivated,
    Custom(String),
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum TemplateFormat {
    PlainText,
    Html,
    Markdown,
    Json,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RateLimiting {
    pub enabled: bool,
    pub max_notifications_per_hour: u32,
    pub burst_limit: u32,
    pub cooldown_minutes: u32,
}

impl Default for RateLimiting {
    fn default() -> Self {
        Self {
            enabled: true,
            max_notifications_per_hour: 60,
            burst_limit: 10,
            cooldown_minutes: 15,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NotificationEscalation {
    pub enabled: bool,
    pub escalation_delay_minutes: u32,
    pub max_escalation_level: u8,
    pub escalation_channels: HashMap<u8, Vec<String>>,
}

impl Default for NotificationEscalation {
    fn default() -> Self {
        Self {
            enabled: false,
            escalation_delay_minutes: 30,
            max_escalation_level: 3,
            escalation_channels: HashMap::new(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MetadataStorageConfig {
    pub storage_type: MetadataStorageType,
    pub connection_string: Option<String>,
    pub backup_metadata: bool,
    pub encryption: bool,
    pub compression: bool,
    pub retention_days: u32,
}

impl Default for MetadataStorageConfig {
    fn default() -> Self {
        Self {
            storage_type: MetadataStorageType::Sqlite,
            connection_string: None,
            backup_metadata: true,
            encryption: true,
            compression: true,
            retention_days: 365,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum MetadataStorageType {
    Sqlite,
    PostgreSQL,
    MySQL,
    Redis,
    File,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ValidationConfig {
    pub enabled: bool,
    pub validation_level: ValidationLevel,
    pub checksum_verification: bool,
    pub integrity_checking: bool,
    pub restore_testing: RestoreTestingConfig,
    pub automated_validation: bool,
    pub validation_schedule: String, // cron expression
}

impl Default for ValidationConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            validation_level: ValidationLevel::Standard,
            checksum_verification: true,
            integrity_checking: true,
            restore_testing: RestoreTestingConfig::default(),
            automated_validation: true,
            validation_schedule: "0 3 * * 0".to_string(), // Sunday at 3 AM
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum ValidationLevel {
    Basic,
    Standard,
    Thorough,
    Comprehensive,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RestoreTestingConfig {
    pub enabled: bool,
    pub frequency: TestFrequency,
    pub sample_percentage: f32,
    pub full_restore_testing: bool,
    pub automated_cleanup: bool,
    pub test_environment: Option<String>,
}

impl Default for RestoreTestingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            frequency: TestFrequency::Monthly,
            sample_percentage: 10.0,
            full_restore_testing: false,
            automated_cleanup: true,
            test_environment: None,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PerformanceConfig {
    pub max_concurrent_operations: usize,
    pub io_priority: IoPriority,
    pub cpu_priority: CpuPriority,
    pub memory_limit_mb: Option<usize>,
    pub disk_space_threshold_percent: f32,
    pub network_optimization: NetworkOptimization,
    pub caching: CachingConfig,
}

impl Default for PerformanceConfig {
    fn default() -> Self {
        Self {
            max_concurrent_operations: 4,
            io_priority: IoPriority::Normal,
            cpu_priority: CpuPriority::Normal,
            memory_limit_mb: None,
            disk_space_threshold_percent: 90.0,
            network_optimization: NetworkOptimization::default(),
            caching: CachingConfig::default(),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum IoPriority {
    Low,
    Normal,
    High,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum CpuPriority {
    Low,
    Normal,
    High,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NetworkOptimization {
    pub enabled: bool,
    pub tcp_window_size_kb: Option<usize>,
    pub connection_pooling: bool,
    pub keep_alive: bool,
    pub compression: bool,
    pub multiplexing: bool,
}

impl Default for NetworkOptimization {
    fn default() -> Self {
        Self {
            enabled: true,
            tcp_window_size_kb: None,
            connection_pooling: true,
            keep_alive: true,
            compression: true,
            multiplexing: false,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CachingConfig {
    pub enabled: bool,
    pub cache_size_mb: usize,
    pub cache_type: CacheType,
    pub eviction_policy: EvictionPolicy,
    pub ttl_seconds: Option<u32>,
}

impl Default for CachingConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            cache_size_mb: 512,
            cache_type: CacheType::Memory,
            eviction_policy: EvictionPolicy::Lru,
            ttl_seconds: Some(3600),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum CacheType {
    Memory,
    Disk,
    Hybrid,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum EvictionPolicy {
    Lru,
    Lfu,
    Fifo,
    Random,
}

// Core system structures

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupJob {
    pub id: String,
    pub name: String,
    pub status: BackupStatus,
    pub backup_type: BackupType,
    pub source_paths: Vec<PathBuf>,
    pub destination: String,
    pub created_at: DateTime<Utc>,
    pub started_at: Option<DateTime<Utc>>,
    pub completed_at: Option<DateTime<Utc>>,
    pub progress: BackupProgress,
    pub metadata: BackupMetadata,
    pub error: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum BackupStatus {
    Pending,
    Running,
    Completed,
    Failed,
    Cancelled,
    Paused,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupProgress {
    pub files_total: u64,
    pub files_processed: u64,
    pub bytes_total: u64,
    pub bytes_processed: u64,
    pub current_file: Option<String>,
    pub speed_mbps: f64,
    pub eta_seconds: Option<u64>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupMetadata {
    pub size_bytes: u64,
    pub compressed_size_bytes: Option<u64>,
    pub file_count: u64,
    pub checksum: String,
    pub encryption_key_id: Option<String>,
    pub parent_backup_id: Option<String>,
    pub tags: HashMap<String, String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RestoreJob {
    pub id: String,
    pub name: String,
    pub status: RestoreStatus,
    pub backup_id: String,
    pub restore_type: RestoreType,
    pub source_path: Option<PathBuf>,
    pub destination_path: PathBuf,
    pub created_at: DateTime<Utc>,
    pub started_at: Option<DateTime<Utc>>,
    pub completed_at: Option<DateTime<Utc>>,
    pub progress: RestoreProgress,
    pub error: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum RestoreStatus {
    Pending,
    Running,
    Completed,
    Failed,
    Cancelled,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum RestoreType {
    Full,
    Partial,
    PointInTime,
    FileLevel,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RestoreProgress {
    pub files_total: u64,
    pub files_processed: u64,
    pub bytes_total: u64,
    pub bytes_processed: u64,
    pub current_file: Option<String>,
    pub speed_mbps: f64,
    pub eta_seconds: Option<u64>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupSet {
    pub id: String,
    pub name: String,
    pub backups: Vec<String>, // backup IDs
    pub created_at: DateTime<Utc>,
    pub retention_policy: RetentionPolicy,
    pub tags: HashMap<String, String>,
    pub total_size_bytes: u64,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RecoveryPoint {
    pub id: String,
    pub timestamp: DateTime<Utc>,
    pub backup_id: String,
    pub description: String,
    pub size_bytes: u64,
    pub verified: bool,
    pub metadata: HashMap<String, String>,
}

// Main backup and recovery system

pub struct BackupRecoverySystem {
    config: BackupRecoveryConfig,
    backup_jobs: Arc<RwLock<HashMap<String, BackupJob>>>,
    restore_jobs: Arc<RwLock<HashMap<String, RestoreJob>>>,
    backup_sets: Arc<RwLock<HashMap<String, BackupSet>>>,
    recovery_points: Arc<RwLock<HashMap<String, RecoveryPoint>>>,
    scheduler: Arc<dyn BackupScheduler>,
    storage_manager: Arc<dyn StorageManager>,
    encryption_manager: Arc<dyn EncryptionManager>,
    monitoring: Arc<dyn BackupMonitoring>,
    notification_service: Arc<dyn NotificationService>,
}

impl BackupRecoverySystem {
    pub async fn new(config: BackupRecoveryConfig) -> Result<Self> {
        let scheduler = Arc::new(CronBackupScheduler::new(&config.scheduling)?);
        let storage_manager = Arc::new(MultiDestinationStorageManager::new(&config.destinations)?);
        let encryption_manager = Arc::new(StandardEncryptionManager::new(&config.encryption)?);
        let monitoring = Arc::new(StandardBackupMonitoring::new(&config.monitoring)?);
        let notification_service =
            Arc::new(StandardNotificationService::new(&config.notification)?);

        Ok(Self {
            config,
            backup_jobs: Arc::new(RwLock::new(HashMap::new())),
            restore_jobs: Arc::new(RwLock::new(HashMap::new())),
            backup_sets: Arc::new(RwLock::new(HashMap::new())),
            recovery_points: Arc::new(RwLock::new(HashMap::new())),
            scheduler,
            storage_manager,
            encryption_manager,
            monitoring,
            notification_service,
        })
    }

    pub async fn create_backup_job(
        &self,
        name: String,
        backup_type: BackupType,
        source_paths: Vec<PathBuf>,
        destination: String,
    ) -> Result<String> {
        let job_id = Uuid::new_v4().to_string();
        let job = BackupJob {
            id: job_id.clone(),
            name,
            status: BackupStatus::Pending,
            backup_type,
            source_paths,
            destination,
            created_at: Utc::now(),
            started_at: None,
            completed_at: None,
            progress: BackupProgress {
                files_total: 0,
                files_processed: 0,
                bytes_total: 0,
                bytes_processed: 0,
                current_file: None,
                speed_mbps: 0.0,
                eta_seconds: None,
            },
            metadata: BackupMetadata {
                size_bytes: 0,
                compressed_size_bytes: None,
                file_count: 0,
                checksum: String::new(),
                encryption_key_id: None,
                parent_backup_id: None,
                tags: HashMap::new(),
            },
            error: None,
        };

        let mut jobs = self.backup_jobs.write().await;
        jobs.insert(job_id.clone(), job);

        Ok(job_id)
    }

    pub async fn start_backup(&self, job_id: &str) -> Result<()> {
        let mut jobs = self.backup_jobs.write().await;
        if let Some(job) = jobs.get_mut(job_id) {
            job.status = BackupStatus::Running;
            job.started_at = Some(Utc::now());

            // Notify about backup start
            self.notification_service
                .send_notification(
                    EventType::BackupStarted,
                    &format!("Backup job '{}' started", job.name),
                    None,
                )
                .await?;

            // Start the actual backup process
            // This would spawn a background task to perform the backup
            Ok(())
        } else {
            Err(anyhow::anyhow!("Backup job not found: {}", job_id))
        }
    }

    pub async fn create_restore_job(
        &self,
        name: String,
        backup_id: String,
        restore_type: RestoreType,
        destination_path: PathBuf,
    ) -> Result<String> {
        let job_id = Uuid::new_v4().to_string();
        let job = RestoreJob {
            id: job_id.clone(),
            name,
            status: RestoreStatus::Pending,
            backup_id,
            restore_type,
            source_path: None,
            destination_path,
            created_at: Utc::now(),
            started_at: None,
            completed_at: None,
            progress: RestoreProgress {
                files_total: 0,
                files_processed: 0,
                bytes_total: 0,
                bytes_processed: 0,
                current_file: None,
                speed_mbps: 0.0,
                eta_seconds: None,
            },
            error: None,
        };

        let mut jobs = self.restore_jobs.write().await;
        jobs.insert(job_id.clone(), job);

        Ok(job_id)
    }

    pub async fn start_restore(&self, job_id: &str) -> Result<()> {
        let mut jobs = self.restore_jobs.write().await;
        if let Some(job) = jobs.get_mut(job_id) {
            job.status = RestoreStatus::Running;
            job.started_at = Some(Utc::now());

            // Notify about restore start
            self.notification_service
                .send_notification(
                    EventType::RestoreStarted,
                    &format!("Restore job '{}' started", job.name),
                    None,
                )
                .await?;

            // Start the actual restore process
            // This would spawn a background task to perform the restore
            Ok(())
        } else {
            Err(anyhow::anyhow!("Restore job not found: {}", job_id))
        }
    }

    pub async fn list_backup_jobs(&self) -> Result<Vec<BackupJob>> {
        let jobs = self.backup_jobs.read().await;
        Ok(jobs.values().cloned().collect())
    }

    pub async fn list_restore_jobs(&self) -> Result<Vec<RestoreJob>> {
        let jobs = self.restore_jobs.read().await;
        Ok(jobs.values().cloned().collect())
    }

    pub async fn get_backup_job(&self, job_id: &str) -> Result<BackupJob> {
        let jobs = self.backup_jobs.read().await;
        jobs.get(job_id)
            .cloned()
            .ok_or_else(|| anyhow::anyhow!("Backup job not found: {}", job_id))
    }

    pub async fn get_restore_job(&self, job_id: &str) -> Result<RestoreJob> {
        let jobs = self.restore_jobs.read().await;
        jobs.get(job_id)
            .cloned()
            .ok_or_else(|| anyhow::anyhow!("Restore job not found: {}", job_id))
    }

    pub async fn cancel_backup_job(&self, job_id: &str) -> Result<()> {
        let mut jobs = self.backup_jobs.write().await;
        if let Some(job) = jobs.get_mut(job_id) {
            job.status = BackupStatus::Cancelled;
            Ok(())
        } else {
            Err(anyhow::anyhow!("Backup job not found: {}", job_id))
        }
    }

    pub async fn cancel_restore_job(&self, job_id: &str) -> Result<()> {
        let mut jobs = self.restore_jobs.write().await;
        if let Some(job) = jobs.get_mut(job_id) {
            job.status = RestoreStatus::Cancelled;
            Ok(())
        } else {
            Err(anyhow::anyhow!("Restore job not found: {}", job_id))
        }
    }

    pub async fn create_backup_set(&self, name: String, backup_ids: Vec<String>) -> Result<String> {
        let set_id = Uuid::new_v4().to_string();
        let backup_set = BackupSet {
            id: set_id.clone(),
            name,
            backups: backup_ids,
            created_at: Utc::now(),
            retention_policy: self.config.retention_policy.clone(),
            tags: HashMap::new(),
            total_size_bytes: 0,
        };

        let mut sets = self.backup_sets.write().await;
        sets.insert(set_id.clone(), backup_set);

        Ok(set_id)
    }

    pub async fn list_backup_sets(&self) -> Result<Vec<BackupSet>> {
        let sets = self.backup_sets.read().await;
        Ok(sets.values().cloned().collect())
    }

    pub async fn create_recovery_point(
        &self,
        backup_id: String,
        description: String,
    ) -> Result<String> {
        let point_id = Uuid::new_v4().to_string();
        let recovery_point = RecoveryPoint {
            id: point_id.clone(),
            timestamp: Utc::now(),
            backup_id,
            description,
            size_bytes: 0,
            verified: false,
            metadata: HashMap::new(),
        };

        let mut points = self.recovery_points.write().await;
        points.insert(point_id.clone(), recovery_point);

        Ok(point_id)
    }

    pub async fn list_recovery_points(&self) -> Result<Vec<RecoveryPoint>> {
        let points = self.recovery_points.read().await;
        Ok(points.values().cloned().collect())
    }

    pub async fn get_system_status(&self) -> Result<BackupSystemStatus> {
        let backup_jobs = self.backup_jobs.read().await;
        let restore_jobs = self.restore_jobs.read().await;

        let running_backups = backup_jobs
            .values()
            .filter(|job| matches!(job.status, BackupStatus::Running))
            .count();

        let running_restores = restore_jobs
            .values()
            .filter(|job| matches!(job.status, RestoreStatus::Running))
            .count();

        let failed_backups_24h = backup_jobs
            .values()
            .filter(|job| {
                matches!(job.status, BackupStatus::Failed)
                    && job.created_at > Utc::now() - chrono::Duration::hours(24)
            })
            .count();

        Ok(BackupSystemStatus {
            overall_health: if failed_backups_24h == 0 {
                SystemHealth::Healthy
            } else {
                SystemHealth::Degraded
            },
            running_backup_jobs: running_backups,
            running_restore_jobs: running_restores,
            failed_jobs_24h: failed_backups_24h,
            total_backup_size_gb: 0.0, // This would be calculated from actual backups
            last_successful_backup: None, // This would be determined from backup history
            available_storage_gb: 0.0, // This would be queried from storage destinations
            replication_lag_seconds: None,
        })
    }

    pub async fn validate_backup(&self, backup_id: &str) -> Result<BackupValidationResult> {
        // This would perform comprehensive backup validation
        Ok(BackupValidationResult {
            backup_id: backup_id.to_string(),
            valid: true,
            checksum_valid: true,
            files_validated: 100,
            files_failed: 0,
            size_valid: true,
            encryption_valid: true,
            errors: vec![],
            warnings: vec![],
            validation_time: Utc::now(),
        })
    }

    pub async fn test_disaster_recovery(
        &self,
        test_type: TestType,
    ) -> Result<DisasterRecoveryTestResult> {
        // This would perform disaster recovery testing
        Ok(DisasterRecoveryTestResult {
            test_id: Uuid::new_v4().to_string(),
            test_type,
            status: TestStatus::Passed,
            start_time: Utc::now(),
            end_time: Some(Utc::now()),
            rpo_achieved_minutes: Some(30),
            rto_achieved_minutes: Some(120),
            issues_found: vec![],
            recommendations: vec![],
            report_path: None,
        })
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupSystemStatus {
    pub overall_health: SystemHealth,
    pub running_backup_jobs: usize,
    pub running_restore_jobs: usize,
    pub failed_jobs_24h: usize,
    pub total_backup_size_gb: f64,
    pub last_successful_backup: Option<DateTime<Utc>>,
    pub available_storage_gb: f64,
    pub replication_lag_seconds: Option<u64>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum SystemHealth {
    Healthy,
    Warning,
    Degraded,
    Critical,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupValidationResult {
    pub backup_id: String,
    pub valid: bool,
    pub checksum_valid: bool,
    pub files_validated: u64,
    pub files_failed: u64,
    pub size_valid: bool,
    pub encryption_valid: bool,
    pub errors: Vec<String>,
    pub warnings: Vec<String>,
    pub validation_time: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DisasterRecoveryTestResult {
    pub test_id: String,
    pub test_type: TestType,
    pub status: TestStatus,
    pub start_time: DateTime<Utc>,
    pub end_time: Option<DateTime<Utc>>,
    pub rpo_achieved_minutes: Option<u32>,
    pub rto_achieved_minutes: Option<u32>,
    pub issues_found: Vec<String>,
    pub recommendations: Vec<String>,
    pub report_path: Option<PathBuf>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum TestStatus {
    Running,
    Passed,
    Failed,
    PartiallyPassed,
}

// Trait definitions for pluggable components

#[async_trait::async_trait]
pub trait BackupScheduler: Send + Sync {
    async fn schedule_backup(&self, job_id: &str, schedule: &str) -> Result<()>;
    async fn unschedule_backup(&self, job_id: &str) -> Result<()>;
    async fn get_next_run_time(&self, job_id: &str) -> Result<Option<DateTime<Utc>>>;
    async fn list_scheduled_jobs(&self) -> Result<Vec<ScheduledJob>>;
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ScheduledJob {
    pub job_id: String,
    pub schedule: String,
    pub next_run: DateTime<Utc>,
    pub enabled: bool,
}

#[async_trait::async_trait]
pub trait StorageManager: Send + Sync {
    async fn upload_backup(
        &self,
        job_id: &str,
        source_path: &PathBuf,
        destination: &str,
    ) -> Result<String>;
    async fn download_backup(&self, backup_id: &str, destination_path: &PathBuf) -> Result<()>;
    async fn delete_backup(&self, backup_id: &str) -> Result<()>;
    async fn list_backups(&self, destination: &str) -> Result<Vec<BackupInfo>>;
    async fn get_backup_info(&self, backup_id: &str) -> Result<BackupInfo>;
    async fn verify_backup(&self, backup_id: &str) -> Result<bool>;
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupInfo {
    pub id: String,
    pub name: String,
    pub size_bytes: u64,
    pub created_at: DateTime<Utc>,
    pub checksum: String,
    pub metadata: HashMap<String, String>,
}

#[async_trait::async_trait]
pub trait EncryptionManager: Send + Sync {
    async fn encrypt_data(&self, data: &[u8], key_id: &str) -> Result<Vec<u8>>;
    async fn decrypt_data(&self, encrypted_data: &[u8], key_id: &str) -> Result<Vec<u8>>;
    async fn generate_key(&self, key_id: &str) -> Result<()>;
    async fn rotate_key(&self, key_id: &str) -> Result<()>;
    async fn list_keys(&self) -> Result<Vec<EncryptionKey>>;
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EncryptionKey {
    pub id: String,
    pub algorithm: String,
    pub created_at: DateTime<Utc>,
    pub rotated_at: Option<DateTime<Utc>>,
    pub status: KeyStatus,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum KeyStatus {
    Active,
    Inactive,
    Expired,
    Compromised,
}

#[async_trait::async_trait]
pub trait BackupMonitoring: Send + Sync {
    async fn record_backup_start(&self, job_id: &str) -> Result<()>;
    async fn record_backup_progress(&self, job_id: &str, progress: &BackupProgress) -> Result<()>;
    async fn record_backup_completion(
        &self,
        job_id: &str,
        success: bool,
        error: Option<&str>,
    ) -> Result<()>;
    async fn get_backup_metrics(&self, time_range: &str) -> Result<BackupMetrics>;
    async fn check_health(&self) -> Result<Vec<HealthCheckResult>>;
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BackupMetrics {
    pub total_backups: u64,
    pub successful_backups: u64,
    pub failed_backups: u64,
    pub average_backup_time_minutes: f64,
    pub total_data_backed_up_gb: f64,
    pub backup_success_rate: f64,
    pub storage_usage_gb: f64,
    pub deduplication_ratio: f64,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthCheckResult {
    pub check_name: String,
    pub status: HealthStatus,
    pub message: String,
    pub checked_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
pub enum HealthStatus {
    Healthy,
    Warning,
    Critical,
    Unknown,
}

#[async_trait::async_trait]
pub trait NotificationService: Send + Sync {
    async fn send_notification(
        &self,
        event_type: EventType,
        message: &str,
        metadata: Option<&HashMap<String, String>>,
    ) -> Result<()>;
    async fn send_alert(
        &self,
        severity: AlertSeverity,
        message: &str,
        channels: &[String],
    ) -> Result<()>;
    async fn test_notification_channel(&self, channel_name: &str) -> Result<bool>;
}

// Implementation structs (mock implementations for compilation)

pub struct CronBackupScheduler {
    config: SchedulingConfig,
}

impl CronBackupScheduler {
    pub fn new(config: &SchedulingConfig) -> Result<Self> {
        Ok(Self {
            config: config.clone(),
        })
    }
}

#[async_trait::async_trait]
impl BackupScheduler for CronBackupScheduler {
    async fn schedule_backup(&self, _job_id: &str, _schedule: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn unschedule_backup(&self, _job_id: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn get_next_run_time(&self, _job_id: &str) -> Result<Option<DateTime<Utc>>> {
        // Mock implementation
        Ok(Some(Utc::now() + chrono::Duration::hours(1)))
    }

    async fn list_scheduled_jobs(&self) -> Result<Vec<ScheduledJob>> {
        // Mock implementation
        Ok(vec![])
    }
}

pub struct MultiDestinationStorageManager {
    destinations: Vec<BackupDestination>,
}

impl MultiDestinationStorageManager {
    pub fn new(destinations: &[BackupDestination]) -> Result<Self> {
        Ok(Self {
            destinations: destinations.to_vec(),
        })
    }
}

#[async_trait::async_trait]
impl StorageManager for MultiDestinationStorageManager {
    async fn upload_backup(
        &self,
        _job_id: &str,
        _source_path: &PathBuf,
        _destination: &str,
    ) -> Result<String> {
        // Mock implementation
        Ok(Uuid::new_v4().to_string())
    }

    async fn download_backup(&self, _backup_id: &str, _destination_path: &PathBuf) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn delete_backup(&self, _backup_id: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn list_backups(&self, _destination: &str) -> Result<Vec<BackupInfo>> {
        // Mock implementation
        Ok(vec![])
    }

    async fn get_backup_info(&self, _backup_id: &str) -> Result<BackupInfo> {
        // Mock implementation
        Ok(BackupInfo {
            id: Uuid::new_v4().to_string(),
            name: "test-backup".to_string(),
            size_bytes: 1024,
            created_at: Utc::now(),
            checksum: "abc123".to_string(),
            metadata: HashMap::new(),
        })
    }

    async fn verify_backup(&self, _backup_id: &str) -> Result<bool> {
        // Mock implementation
        Ok(true)
    }
}

pub struct StandardEncryptionManager {
    config: EncryptionConfig,
}

impl StandardEncryptionManager {
    pub fn new(config: &EncryptionConfig) -> Result<Self> {
        Ok(Self {
            config: config.clone(),
        })
    }
}

#[async_trait::async_trait]
impl EncryptionManager for StandardEncryptionManager {
    async fn encrypt_data(&self, data: &[u8], _key_id: &str) -> Result<Vec<u8>> {
        // Mock implementation - in real implementation, this would use proper encryption
        Ok(data.to_vec())
    }

    async fn decrypt_data(&self, encrypted_data: &[u8], _key_id: &str) -> Result<Vec<u8>> {
        // Mock implementation - in real implementation, this would use proper decryption
        Ok(encrypted_data.to_vec())
    }

    async fn generate_key(&self, _key_id: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn rotate_key(&self, _key_id: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn list_keys(&self) -> Result<Vec<EncryptionKey>> {
        // Mock implementation
        Ok(vec![])
    }
}

pub struct StandardBackupMonitoring {
    config: MonitoringConfig,
}

impl StandardBackupMonitoring {
    pub fn new(config: &MonitoringConfig) -> Result<Self> {
        Ok(Self {
            config: config.clone(),
        })
    }
}

#[async_trait::async_trait]
impl BackupMonitoring for StandardBackupMonitoring {
    async fn record_backup_start(&self, _job_id: &str) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn record_backup_progress(
        &self,
        _job_id: &str,
        _progress: &BackupProgress,
    ) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn record_backup_completion(
        &self,
        _job_id: &str,
        _success: bool,
        _error: Option<&str>,
    ) -> Result<()> {
        // Mock implementation
        Ok(())
    }

    async fn get_backup_metrics(&self, _time_range: &str) -> Result<BackupMetrics> {
        // Mock implementation
        Ok(BackupMetrics {
            total_backups: 100,
            successful_backups: 95,
            failed_backups: 5,
            average_backup_time_minutes: 30.5,
            total_data_backed_up_gb: 1024.0,
            backup_success_rate: 95.0,
            storage_usage_gb: 512.0,
            deduplication_ratio: 0.3,
        })
    }

    async fn check_health(&self) -> Result<Vec<HealthCheckResult>> {
        // Mock implementation
        Ok(vec![HealthCheckResult {
            check_name: "Storage Space".to_string(),
            status: HealthStatus::Healthy,
            message: "Sufficient storage available".to_string(),
            checked_at: Utc::now(),
        }])
    }
}

pub struct StandardNotificationService {
    config: NotificationConfig,
}

impl StandardNotificationService {
    pub fn new(config: &NotificationConfig) -> Result<Self> {
        Ok(Self {
            config: config.clone(),
        })
    }
}

#[async_trait::async_trait]
impl NotificationService for StandardNotificationService {
    async fn send_notification(
        &self,
        _event_type: EventType,
        _message: &str,
        _metadata: Option<&HashMap<String, String>>,
    ) -> Result<()> {
        // Mock implementation
        println!("Notification sent: {}", _message);
        Ok(())
    }

    async fn send_alert(
        &self,
        _severity: AlertSeverity,
        _message: &str,
        _channels: &[String],
    ) -> Result<()> {
        // Mock implementation
        println!("Alert sent: {}", _message);
        Ok(())
    }

    async fn test_notification_channel(&self, _channel_name: &str) -> Result<bool> {
        // Mock implementation
        Ok(true)
    }
}