quantrs2-device 0.1.3

//! Algorithm Versioning System
//!
//! This module provides comprehensive version control and lifecycle management
//! for quantum algorithms in the marketplace.

use super::*;

/// Algorithm versioning system
pub struct AlgorithmVersioningSystem {
    config: VersioningConfig,
    version_repository: VersionRepository,
    version_analyzer: VersionAnalyzer,
    migration_manager: MigrationManager,
    compatibility_checker: CompatibilityChecker,
}

/// Versioning configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct VersioningConfig {
    pub versioning_scheme: VersioningScheme,
    pub auto_versioning: bool,
    pub version_retention_policy: RetentionPolicy,
    pub compatibility_checking: bool,
    pub migration_support: bool,
    pub changelog_generation: bool,
}

/// Versioning schemes
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub enum VersioningScheme {
    Semantic,
    Sequential,
    Date,
    GitHash,
    Custom(String),
}

/// Retention policy
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RetentionPolicy {
    pub max_versions: Option<usize>,
    pub retention_period: Option<Duration>,
    pub keep_major_versions: bool,
    pub keep_production_versions: bool,
}

/// Version repository
pub struct VersionRepository {
    versions: HashMap<String, Vec<AlgorithmVersion>>,
    version_index: HashMap<String, VersionMetadata>,
    branch_management: BranchManager,
    tag_system: TagSystem,
}

/// Algorithm version
#[derive(Debug, Clone)]
pub struct AlgorithmVersion {
    pub version_id: String,
    pub algorithm_id: String,
    pub version_number: String,
    pub version_type: VersionType,
    pub algorithm_content: AlgorithmRegistration,
    pub version_metadata: VersionMetadata,
    pub changes: Vec<VersionChange>,
    pub dependencies: Vec<VersionDependency>,
    pub compatibility_info: CompatibilityInfo,
    pub lifecycle_status: LifecycleStatus,
}

/// Version types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum VersionType {
    Major,
    Minor,
    Patch,
    Prerelease,
    Build,
    Experimental,
}

/// Version metadata
#[derive(Debug, Clone)]
pub struct VersionMetadata {
    pub created_at: SystemTime,
    pub created_by: String,
    pub commit_hash: Option<String>,
    pub build_info: BuildInfo,
    pub release_notes: String,
    pub tags: Vec<String>,
    pub download_count: u64,
    pub rating: Option<f64>,
}

/// Build information
#[derive(Debug, Clone)]
pub struct BuildInfo {
    pub build_number: u64,
    pub build_timestamp: SystemTime,
    pub build_environment: HashMap<String, String>,
    pub compiler_version: String,
    pub dependencies_snapshot: Vec<DependencySnapshot>,
}

/// Dependency snapshot
#[derive(Debug, Clone)]
pub struct DependencySnapshot {
    pub name: String,
    pub version: String,
    pub source: String,
    pub checksum: String,
}

/// Version change
#[derive(Debug, Clone)]
pub struct VersionChange {
    pub change_type: ChangeType,
    pub description: String,
    pub affected_components: Vec<String>,
    pub impact_level: ImpactLevel,
    pub backward_compatible: bool,
}

/// Change types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ChangeType {
    Feature,
    Bugfix,
    Performance,
    Security,
    Documentation,
    Refactoring,
    Breaking,
    Deprecation,
}

/// Impact levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ImpactLevel {
    Low,
    Medium,
    High,
    Critical,
}

/// Version dependency
#[derive(Debug, Clone)]
pub struct VersionDependency {
    pub dependency_id: String,
    pub dependency_type: DependencyType,
    pub version_constraint: VersionConstraint,
    pub optional: bool,
    pub conflict_resolution: ConflictResolution,
}

/// Version constraint
#[derive(Debug, Clone)]
pub enum VersionConstraint {
    Exact(String),
    Range(String, String),
    Minimum(String),
    Maximum(String),
    Compatible(String),
    Custom(String),
}

/// Conflict resolution strategies
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ConflictResolution {
    UseLatest,
    UseEarliest,
    Manual,
    Fail,
}

/// Compatibility information
#[derive(Debug, Clone)]
pub struct CompatibilityInfo {
    pub backward_compatible: bool,
    pub forward_compatible: bool,
    pub api_compatibility: APICompatibility,
    pub data_compatibility: DataCompatibility,
    pub platform_compatibility: PlatformCompatibility,
    pub migration_path: Option<MigrationPath>,
}

/// API compatibility
#[derive(Debug, Clone)]
pub struct APICompatibility {
    pub compatible: bool,
    pub breaking_changes: Vec<BreakingChange>,
    pub deprecated_features: Vec<DeprecatedFeature>,
    pub new_features: Vec<NewFeature>,
}

/// Breaking change
#[derive(Debug, Clone)]
pub struct BreakingChange {
    pub change_type: BreakingChangeType,
    pub description: String,
    pub affected_apis: Vec<String>,
    pub migration_guide: String,
}

/// Breaking change types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum BreakingChangeType {
    RemovedAPI,
    ModifiedSignature,
    ChangedBehavior,
    MovedComponent,
    RenamedComponent,
}

/// Deprecated feature
#[derive(Debug, Clone)]
pub struct DeprecatedFeature {
    pub feature_name: String,
    pub deprecation_reason: String,
    pub removal_timeline: Option<String>,
    pub replacement: Option<String>,
}

/// New feature
#[derive(Debug, Clone)]
pub struct NewFeature {
    pub feature_name: String,
    pub description: String,
    pub stability_level: StabilityLevel,
    pub documentation_link: Option<String>,
}

/// Stability levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum StabilityLevel {
    Experimental,
    Beta,
    Stable,
    Deprecated,
}

/// Data compatibility
#[derive(Debug, Clone)]
pub struct DataCompatibility {
    pub input_format_compatible: bool,
    pub output_format_compatible: bool,
    pub schema_changes: Vec<SchemaChange>,
    pub data_migration_required: bool,
}

/// Schema change
#[derive(Debug, Clone)]
pub struct SchemaChange {
    pub change_type: SchemaChangeType,
    pub field_name: String,
    pub old_type: Option<String>,
    pub new_type: Option<String>,
    pub required: bool,
}

/// Schema change types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum SchemaChangeType {
    Added,
    Removed,
    Modified,
    Renamed,
}

/// Platform compatibility
#[derive(Debug, Clone)]
pub struct PlatformCompatibility {
    pub supported_platforms: Vec<String>,
    pub removed_platforms: Vec<String>,
    pub added_platforms: Vec<String>,
    pub platform_specific_changes: HashMap<String, Vec<String>>,
}

/// Migration path
#[derive(Debug, Clone)]
pub struct MigrationPath {
    pub from_version: String,
    pub to_version: String,
    pub migration_steps: Vec<MigrationStep>,
    pub estimated_time: Duration,
    pub automation_level: AutomationLevel,
}

/// Migration step
#[derive(Debug, Clone)]
pub struct MigrationStep {
    pub step_id: String,
    pub description: String,
    pub step_type: MigrationStepType,
    pub automated: bool,
    pub rollback_supported: bool,
    pub validation_criteria: Vec<String>,
}

/// Migration step types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MigrationStepType {
    CodeUpdate,
    DataMigration,
    ConfigurationChange,
    DependencyUpdate,
    Manual,
}

/// Automation levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum AutomationLevel {
    FullyAutomated,
    SemiAutomated,
    Manual,
}

/// Lifecycle status
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum LifecycleStatus {
    Development,
    Alpha,
    Beta,
    ReleaseCandidate,
    Released,
    Deprecated,
    EndOfLife,
    Archived,
}

/// Branch manager
pub struct BranchManager {
    branches: HashMap<String, Branch>,
    merge_policies: Vec<MergePolicy>,
    branching_strategy: BranchingStrategy,
}

/// Branch
#[derive(Debug, Clone)]
pub struct Branch {
    pub branch_name: String,
    pub branch_type: BranchType,
    pub parent_branch: Option<String>,
    pub versions: Vec<String>,
    pub created_at: SystemTime,
    pub created_by: String,
    pub protection_rules: Vec<ProtectionRule>,
}

/// Branch types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum BranchType {
    Main,
    Release,
    Feature,
    Hotfix,
    Experimental,
}

/// Protection rule
#[derive(Debug, Clone)]
pub struct ProtectionRule {
    pub rule_type: ProtectionRuleType,
    pub required_reviewers: usize,
    pub status_checks: Vec<String>,
    pub dismiss_stale_reviews: bool,
}

/// Protection rule types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ProtectionRuleType {
    RequireReviews,
    RequireStatusChecks,
    RequireUpToDate,
    RestrictPushes,
}

/// Merge policy
#[derive(Debug, Clone)]
pub struct MergePolicy {
    pub policy_name: String,
    pub source_branch_pattern: String,
    pub target_branch_pattern: String,
    pub merge_strategy: MergeStrategy,
    pub required_checks: Vec<String>,
}

/// Merge strategies
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MergeStrategy {
    Merge,
    Squash,
    Rebase,
    FastForward,
}

/// Branching strategy
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum BranchingStrategy {
    GitFlow,
    GitHubFlow,
    GitLab,
    Custom(String),
}

/// Tag system
pub struct TagSystem {
    tags: HashMap<String, Tag>,
    tag_policies: Vec<TagPolicy>,
    semantic_tags: bool,
}

/// Tag
#[derive(Debug, Clone)]
pub struct Tag {
    pub tag_name: String,
    pub tag_type: TagType,
    pub version_id: String,
    pub message: String,
    pub created_at: SystemTime,
    pub created_by: String,
    pub signed: bool,
}

/// Tag types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TagType {
    Release,
    Milestone,
    Experimental,
    Custom(String),
}

/// Tag policy
#[derive(Debug, Clone)]
pub struct TagPolicy {
    pub policy_name: String,
    pub tag_pattern: String,
    pub protection_level: TagProtectionLevel,
    pub allowed_users: Vec<String>,
}

/// Tag protection levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TagProtectionLevel {
    None,
    Protected,
    Immutable,
}

/// Version analyzer
pub struct VersionAnalyzer {
    analysis_rules: Vec<VersionAnalysisRule>,
    comparison_engine: VersionComparisonEngine,
    impact_analyzer: ImpactAnalyzer,
}

/// Version analysis rule
#[derive(Debug, Clone)]
pub struct VersionAnalysisRule {
    pub rule_name: String,
    pub rule_type: AnalysisRuleType,
    pub condition: String,
    pub action: AnalysisAction,
}

/// Analysis rule types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum AnalysisRuleType {
    CompatibilityCheck,
    PerformanceRegression,
    SecurityVulnerability,
    QualityRegression,
}

/// Analysis actions
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum AnalysisAction {
    Flag,
    Block,
    Warn,
    AutoFix,
}

/// Version comparison engine
pub struct VersionComparisonEngine {
    comparators: Vec<Box<dyn VersionComparator + Send + Sync>>,
    diff_algorithms: Vec<DiffAlgorithm>,
}

/// Version comparator trait
pub trait VersionComparator {
    fn compare(
        &self,
        version1: &AlgorithmVersion,
        version2: &AlgorithmVersion,
    ) -> DeviceResult<VersionComparison>;
    fn get_comparator_name(&self) -> String;
}

/// Version comparison
#[derive(Debug, Clone)]
pub struct VersionComparison {
    pub comparison_type: ComparisonType,
    pub differences: Vec<VersionDifference>,
    pub similarity_score: f64,
    pub migration_complexity: MigrationComplexity,
}

/// Comparison types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ComparisonType {
    Identical,
    Compatible,
    Incompatible,
    Unknown,
}

/// Version difference
#[derive(Debug, Clone)]
pub struct VersionDifference {
    pub difference_type: DifferenceType,
    pub component: String,
    pub old_value: Option<String>,
    pub new_value: Option<String>,
    pub impact: DifferenceImpact,
}

/// Difference types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DifferenceType {
    Added,
    Removed,
    Modified,
    Moved,
    Renamed,
}

/// Difference impact
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DifferenceImpact {
    None,
    Low,
    Medium,
    High,
    Breaking,
}

/// Migration complexity
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MigrationComplexity {
    Trivial,
    Simple,
    Moderate,
    Complex,
    Impossible,
}

/// Diff algorithm
#[derive(Debug, Clone)]
pub struct DiffAlgorithm {
    pub algorithm_name: String,
    pub algorithm_type: DiffAlgorithmType,
    pub granularity: DiffGranularity,
}

/// Diff algorithm types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DiffAlgorithmType {
    Textual,
    Syntactic,
    Semantic,
    Structural,
}

/// Diff granularity
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DiffGranularity {
    Character,
    Word,
    Line,
    Block,
    Function,
    File,
}

/// Impact analyzer
pub struct ImpactAnalyzer {
    impact_models: Vec<ImpactModel>,
    dependency_graph: DependencyGraph,
    change_propagation: ChangePropagation,
}

/// Impact model
#[derive(Debug, Clone)]
pub struct ImpactModel {
    pub model_name: String,
    pub impact_categories: Vec<ImpactCategory>,
    pub assessment_criteria: Vec<AssessmentCriterion>,
}

/// Impact categories
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ImpactCategory {
    Functional,
    Performance,
    Security,
    Usability,
    Maintainability,
}

/// Assessment criterion
#[derive(Debug, Clone)]
pub struct AssessmentCriterion {
    pub criterion_name: String,
    pub weight: f64,
    pub evaluation_method: EvaluationMethod,
}

/// Evaluation methods
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum EvaluationMethod {
    Static,
    Dynamic,
    Hybrid,
    Manual,
}

/// Dependency graph
#[derive(Debug)]
pub struct DependencyGraph {
    nodes: HashMap<String, DependencyNode>,
    edges: Vec<DependencyEdge>,
    transitive_closure: HashMap<String, HashSet<String>>,
}

/// Dependency node
#[derive(Debug, Clone)]
pub struct DependencyNode {
    pub node_id: String,
    pub node_type: DependencyNodeType,
    pub version: String,
    pub metadata: HashMap<String, String>,
}

/// Dependency node types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DependencyNodeType {
    Algorithm,
    Library,
    Service,
    Data,
}

/// Dependency edge
#[derive(Debug, Clone)]
pub struct DependencyEdge {
    pub from_node: String,
    pub to_node: String,
    pub dependency_type: DependencyType,
    pub strength: f64,
}

/// Change propagation
pub struct ChangePropagation {
    propagation_rules: Vec<PropagationRule>,
    impact_chains: Vec<ImpactChain>,
}

/// Propagation rule
#[derive(Debug, Clone)]
pub struct PropagationRule {
    pub rule_name: String,
    pub trigger_condition: String,
    pub propagation_pattern: PropagationPattern,
    pub dampening_factor: f64,
}

/// Propagation patterns
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum PropagationPattern {
    Direct,
    Transitive,
    Cascading,
    Viral,
}

/// Impact chain
#[derive(Debug, Clone)]
pub struct ImpactChain {
    pub chain_id: String,
    pub source_change: String,
    pub affected_components: Vec<String>,
    pub propagation_path: Vec<String>,
    pub total_impact: f64,
}

/// Migration manager
pub struct MigrationManager {
    migration_strategies: Vec<Box<dyn MigrationStrategy + Send + Sync>>,
    migration_tools: Vec<Box<dyn MigrationTool + Send + Sync>>,
    migration_history: Vec<MigrationRecord>,
}

/// Migration strategy trait
pub trait MigrationStrategy {
    fn plan_migration(
        &self,
        from_version: &AlgorithmVersion,
        to_version: &AlgorithmVersion,
    ) -> DeviceResult<MigrationPlan>;
    fn get_strategy_name(&self) -> String;
}

/// Migration tool trait
pub trait MigrationTool {
    fn execute_migration(&self, migration_plan: &MigrationPlan) -> DeviceResult<MigrationResult>;
    fn get_tool_name(&self) -> String;
}

/// Migration plan
#[derive(Debug, Clone)]
pub struct MigrationPlan {
    pub plan_id: String,
    pub from_version: String,
    pub to_version: String,
    pub migration_steps: Vec<MigrationStep>,
    pub estimated_duration: Duration,
    pub risk_assessment: RiskAssessment,
    pub rollback_plan: Option<RollbackPlan>,
}

/// Risk assessment
#[derive(Debug, Clone)]
pub struct RiskAssessment {
    pub overall_risk: RiskLevel,
    pub risk_factors: Vec<RiskFactor>,
    pub mitigation_strategies: Vec<String>,
}

/// Risk levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum RiskLevel {
    Low,
    Medium,
    High,
    Critical,
}

/// Risk factor
#[derive(Debug, Clone)]
pub struct RiskFactor {
    pub factor_name: String,
    pub risk_level: RiskLevel,
    pub probability: f64,
    pub impact: f64,
    pub mitigation: String,
}

/// Rollback plan
#[derive(Debug, Clone)]
pub struct RollbackPlan {
    pub rollback_steps: Vec<RollbackStep>,
    pub rollback_triggers: Vec<RollbackTrigger>,
    pub data_backup_requirements: Vec<String>,
}

/// Rollback step
#[derive(Debug, Clone)]
pub struct RollbackStep {
    pub step_description: String,
    pub automated: bool,
    pub validation: String,
}

/// Rollback trigger
#[derive(Debug, Clone)]
pub struct RollbackTrigger {
    pub trigger_condition: String,
    pub automatic: bool,
    pub approval_required: bool,
}

/// Migration result
#[derive(Debug, Clone)]
pub struct MigrationResult {
    pub success: bool,
    pub completed_steps: Vec<String>,
    pub failed_steps: Vec<String>,
    pub warnings: Vec<String>,
    pub execution_time: Duration,
    pub rollback_required: bool,
}

/// Migration record
#[derive(Debug, Clone)]
pub struct MigrationRecord {
    pub migration_id: String,
    pub from_version: String,
    pub to_version: String,
    pub started_at: SystemTime,
    pub completed_at: Option<SystemTime>,
    pub success: bool,
    pub migration_log: Vec<MigrationLogEntry>,
}

/// Migration log entry
#[derive(Debug, Clone)]
pub struct MigrationLogEntry {
    pub timestamp: SystemTime,
    pub level: LogLevel,
    pub message: String,
    pub step_id: Option<String>,
}

/// Compatibility checker
pub struct CompatibilityChecker {
    compatibility_rules: Vec<CompatibilityRule>,
    compatibility_matrix: CompatibilityMatrix,
    version_constraints: Vec<VersionConstraint>,
}

/// Compatibility rule
#[derive(Debug, Clone)]
pub struct CompatibilityRule {
    pub rule_name: String,
    pub rule_type: CompatibilityRuleType,
    pub condition: String,
    pub compatibility_level: CompatibilityLevel,
}

/// Compatibility rule types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CompatibilityRuleType {
    API,
    Data,
    Platform,
    Performance,
    Behavioral,
}

/// Compatibility levels
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum CompatibilityLevel {
    FullyCompatible,
    MostlyCompatible,
    PartiallyCompatible,
    Incompatible,
}

/// Compatibility matrix
#[derive(Debug)]
pub struct CompatibilityMatrix {
    compatibility_map: HashMap<(String, String), CompatibilityLevel>,
    last_updated: SystemTime,
}

impl AlgorithmVersioningSystem {
    /// Create a new versioning system
    pub fn new(config: &VersioningConfig) -> DeviceResult<Self> {
        Ok(Self {
            config: config.clone(),
            version_repository: VersionRepository::new(),
            version_analyzer: VersionAnalyzer::new()?,
            migration_manager: MigrationManager::new()?,
            compatibility_checker: CompatibilityChecker::new()?,
        })
    }

    /// Initialize the versioning system
    pub async fn initialize(&self) -> DeviceResult<()> {
        // Initialize versioning components
        Ok(())
    }
}

impl VersionRepository {
    fn new() -> Self {
        Self {
            versions: HashMap::new(),
            version_index: HashMap::new(),
            branch_management: BranchManager::new(),
            tag_system: TagSystem::new(),
        }
    }
}

impl BranchManager {
    fn new() -> Self {
        Self {
            branches: HashMap::new(),
            merge_policies: vec![],
            branching_strategy: BranchingStrategy::GitFlow,
        }
    }
}

impl TagSystem {
    fn new() -> Self {
        Self {
            tags: HashMap::new(),
            tag_policies: vec![],
            semantic_tags: true,
        }
    }
}

impl VersionAnalyzer {
    fn new() -> DeviceResult<Self> {
        Ok(Self {
            analysis_rules: vec![],
            comparison_engine: VersionComparisonEngine::new(),
            impact_analyzer: ImpactAnalyzer::new(),
        })
    }
}

impl VersionComparisonEngine {
    fn new() -> Self {
        Self {
            comparators: vec![],
            diff_algorithms: vec![],
        }
    }
}

impl ImpactAnalyzer {
    fn new() -> Self {
        Self {
            impact_models: vec![],
            dependency_graph: DependencyGraph::new(),
            change_propagation: ChangePropagation::new(),
        }
    }
}

impl DependencyGraph {
    fn new() -> Self {
        Self {
            nodes: HashMap::new(),
            edges: vec![],
            transitive_closure: HashMap::new(),
        }
    }
}

impl ChangePropagation {
    const fn new() -> Self {
        Self {
            propagation_rules: vec![],
            impact_chains: vec![],
        }
    }
}

impl MigrationManager {
    fn new() -> DeviceResult<Self> {
        Ok(Self {
            migration_strategies: vec![],
            migration_tools: vec![],
            migration_history: vec![],
        })
    }
}

impl CompatibilityChecker {
    fn new() -> DeviceResult<Self> {
        Ok(Self {
            compatibility_rules: vec![],
            compatibility_matrix: CompatibilityMatrix::new(),
            version_constraints: vec![],
        })
    }
}

impl CompatibilityMatrix {
    fn new() -> Self {
        Self {
            compatibility_map: HashMap::new(),
            last_updated: SystemTime::now(),
        }
    }
}

impl Default for VersioningConfig {
    fn default() -> Self {
        Self {
            versioning_scheme: VersioningScheme::Semantic,
            auto_versioning: false,
            version_retention_policy: RetentionPolicy {
                max_versions: Some(100),
                retention_period: Some(Duration::from_secs(365 * 24 * 3600)),
                keep_major_versions: true,
                keep_production_versions: true,
            },
            compatibility_checking: true,
            migration_support: true,
            changelog_generation: true,
        }
    }
}