trustformers-mobile 0.1.1

//! Wear OS support for TrustformeRS mobile
//!
//! This module provides Wear OS integration for TrustformeRS, enabling on-wrist AI inference
//! with specialized optimizations for wearable devices.

use std::collections::{HashMap, VecDeque};
use std::sync::{Arc, Mutex};
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use serde::{Serialize, Deserialize};
use crate::{MobileConfig, Result, CoreError};

/// Wear OS configuration for TrustformeRS
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearOSConfig {
    /// Enable Wear OS support
    pub enabled: bool,
    /// Power management for wearable devices
    pub power_management: WearablePowerManagement,
    /// Health and fitness features
    pub health_features: HealthFeaturesConfig,
    /// Interaction modes for small screens
    pub interaction_modes: WearableInteractionConfig,
    /// Connectivity with phone
    pub phone_connectivity: PhoneConnectivityConfig,
    /// Sensor integration
    pub sensor_integration: WearableSensorConfig,
    /// Notification intelligence
    pub notification_intelligence: NotificationIntelligenceConfig,
    /// Voice processing for wearables
    pub voice_processing: WearableVoiceConfig,
    /// Privacy settings for wearables
    pub privacy_settings: WearablePrivacySettings,
    /// Performance constraints for wearables
    pub performance_constraints: WearablePerformanceConstraints,
}

/// Power management settings for wearable devices
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearablePowerManagement {
    /// Battery optimization mode
    pub battery_optimization: BatteryOptimizationLevel,
    /// Always-on display considerations
    pub always_on_display_aware: bool,
    /// Power-saving inference modes
    pub power_saving_modes: Vec<PowerSavingMode>,
    /// Thermal management for compact devices
    pub thermal_management: WearableThermalManagement,
    /// Charging state awareness
    pub charging_state_awareness: bool,
    /// Low power mode thresholds
    pub low_power_thresholds: LowPowerThresholds,
}

/// Health and fitness feature configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthFeaturesConfig {
    /// Enable health monitoring
    pub enabled: bool,
    /// Heart rate analysis
    pub heart_rate_analysis: HeartRateAnalysisConfig,
    /// Activity recognition
    pub activity_recognition: ActivityRecognitionConfig,
    /// Sleep analysis
    pub sleep_analysis: SleepAnalysisConfig,
    /// Stress monitoring
    pub stress_monitoring: StressMonitoringConfig,
    /// Fall detection
    pub fall_detection: FallDetectionConfig,
    /// Health data privacy
    pub health_data_privacy: HealthDataPrivacyConfig,
}

/// Wearable interaction configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableInteractionConfig {
    /// Touch interaction optimization
    pub touch_optimization: TouchOptimizationConfig,
    /// Voice interaction settings
    pub voice_interaction: WearableVoiceInteraction,
    /// Gesture recognition
    pub gesture_recognition: GestureRecognitionConfig,
    /// Crown/button interaction
    pub physical_controls: PhysicalControlsConfig,
    /// Haptic feedback
    pub haptic_feedback: HapticFeedbackConfig,
    /// Display optimization
    pub display_optimization: DisplayOptimizationConfig,
}

/// Phone connectivity configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PhoneConnectivityConfig {
    /// Bluetooth connectivity
    pub bluetooth_config: BluetoothConfig,
    /// Wi-Fi independence
    pub wifi_independence: WifiIndependenceConfig,
    /// Data synchronization
    pub data_sync: DataSyncConfig,
    /// Offline capabilities
    pub offline_capabilities: OfflineCapabilitiesConfig,
    /// Companion app integration
    pub companion_app: CompanionAppConfig,
}

/// Wearable sensor configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableSensorConfig {
    /// Accelerometer and gyroscope
    pub motion_sensors: MotionSensorConfig,
    /// Heart rate sensor
    pub heart_rate_sensor: HeartRateSensorConfig,
    /// Ambient light sensor
    pub ambient_light_sensor: AmbientLightSensorConfig,
    /// Barometer/altimeter
    pub barometer: BarometerConfig,
    /// GPS configuration
    pub gps_config: WearableGPSConfig,
    /// Microphone for voice
    pub microphone_config: MicrophoneConfig,
    /// Sensor fusion
    pub sensor_fusion: SensorFusionConfig,
}

/// Notification intelligence configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct NotificationIntelligenceConfig {
    /// Enable intelligent notifications
    pub enabled: bool,
    /// Priority classification
    pub priority_classification: PriorityClassificationConfig,
    /// Context awareness
    pub context_awareness: ContextAwarenessConfig,
    /// Smart filtering
    pub smart_filtering: SmartFilteringConfig,
    /// Personalization
    pub personalization: NotificationPersonalizationConfig,
    /// Do not disturb integration
    pub dnd_integration: DNDIntegrationConfig,
}

/// Wearable voice processing configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableVoiceConfig {
    /// Enable voice processing
    pub enabled: bool,
    /// Wake word optimization for wearables
    pub wake_word_optimization: WakeWordOptimization,
    /// Speech recognition in noisy environments
    pub noise_robust_recognition: NoiseRobustRecognition,
    /// Voice command shortcuts
    pub voice_shortcuts: VoiceShortcutsConfig,
    /// Offline voice processing
    pub offline_processing: OfflineVoiceProcessing,
    /// Voice feedback optimization
    pub feedback_optimization: VoiceFeedbackOptimization,
}

/// Supporting configuration structures

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum BatteryOptimizationLevel {
    Minimal,     // Maximum performance
    Balanced,    // Balance performance and battery
    Aggressive,  // Maximum battery life
    Custom,      // Custom optimization
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum PowerSavingMode {
    Always,           // Always use power saving
    LowBattery,      // Use when battery is low
    OffCharger,      // Use when not charging
    UserActivity,    // Based on user activity
    TimeBasedAuto,   // Automatic based on time
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableThermalManagement {
    pub temperature_monitoring: bool,
    pub thermal_throttling: bool,
    pub cooling_strategies: Vec<CoolingStrategy>,
    pub temperature_thresholds: TemperatureThresholds,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum CoolingStrategy {
    ReduceInferenceFrequency,
    LowerClockSpeed,
    DisableNonEssentialFeatures,
    IncreaseBrightness,   // Counter-intuitive but can help with heat dissipation
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TemperatureThresholds {
    pub warning_celsius: f32,
    pub critical_celsius: f32,
    pub throttle_celsius: f32,
    pub shutdown_celsius: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LowPowerThresholds {
    pub critical_battery_percent: f32,
    pub low_battery_percent: f32,
    pub moderate_battery_percent: f32,
    pub charging_resume_percent: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HeartRateAnalysisConfig {
    pub enabled: bool,
    pub continuous_monitoring: bool,
    pub anomaly_detection: bool,
    pub exercise_detection: bool,
    pub recovery_analysis: bool,
    pub hrv_analysis: bool, // Heart Rate Variability
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ActivityRecognitionConfig {
    pub enabled: bool,
    pub activity_types: Vec<ActivityType>,
    pub automatic_detection: bool,
    pub confidence_threshold: f32,
    pub calorie_estimation: bool,
    pub intensity_classification: bool,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ActivityType {
    Walking,
    Running,
    Cycling,
    Swimming,
    Strength,
    Yoga,
    Sleep,
    Sedentary,
    Stairs,
    Unknown,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SleepAnalysisConfig {
    pub enabled: bool,
    pub sleep_stage_detection: bool,
    pub sleep_quality_scoring: bool,
    pub smart_alarm: bool,
    pub sleep_goal_tracking: bool,
    pub environmental_factors: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct StressMonitoringConfig {
    pub enabled: bool,
    pub stress_detection_methods: Vec<StressDetectionMethod>,
    pub breathing_guidance: bool,
    pub stress_alerts: bool,
    pub relaxation_suggestions: bool,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum StressDetectionMethod {
    HeartRateVariability,
    RespiratoryRate,
    SkinConductance,
    MotionPattern,
    VoiceAnalysis,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct FallDetectionConfig {
    pub enabled: bool,
    pub sensitivity: FallDetectionSensitivity,
    pub emergency_response: EmergencyResponseConfig,
    pub false_positive_reduction: bool,
    pub activity_context_awareness: bool,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum FallDetectionSensitivity {
    Low,     // Fewer false positives, might miss some falls
    Medium,  // Balanced detection
    High,    // More sensitive, more false positives
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct EmergencyResponseConfig {
    pub automatic_emergency_call: bool,
    pub emergency_contacts: Vec<String>,
    pub location_sharing: bool,
    pub countdown_timer: u32, // seconds before auto-call
    pub medical_id_sharing: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthDataPrivacyConfig {
    pub local_processing_only: bool,
    pub encryption_enabled: bool,
    pub data_retention_days: u32,
    pub anonymization: bool,
    pub user_control: bool,
}

/// Wearable performance constraints
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearablePerformanceConstraints {
    /// Maximum CPU usage for wearables (%)
    pub max_cpu_usage: f32,
    /// Maximum memory usage (MB)
    pub max_memory_usage: usize,
    /// Maximum inference latency (ms)
    pub max_inference_latency: u64,
    /// Maximum power consumption (mW)
    pub max_power_consumption: f32,
    /// Battery usage limits
    pub battery_usage_limits: BatteryUsageLimits,
    /// Thermal constraints
    pub thermal_constraints: ThermalConstraints,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BatteryUsageLimits {
    pub max_hourly_drain_percent: f32,
    pub max_daily_drain_percent: f32,
    pub background_usage_limit: f32,
    pub active_usage_limit: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ThermalConstraints {
    pub max_skin_temperature_celsius: f32,
    pub throttling_temperature_celsius: f32,
    pub emergency_shutdown_celsius: f32,
    pub thermal_mass_consideration: bool,
}

/// Wearable privacy settings
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearablePrivacySettings {
    /// Data minimization for wearables
    pub data_minimization: bool,
    /// On-device processing preference
    pub prefer_on_device: bool,
    /// Health data protection
    pub health_data_protection: HealthDataProtection,
    /// Location privacy
    pub location_privacy: LocationPrivacyConfig,
    /// Biometric data handling
    pub biometric_data_handling: BiometricDataHandling,
    /// User consent granularity
    pub consent_granularity: ConsentGranularityConfig,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthDataProtection {
    pub encrypt_at_rest: bool,
    pub encrypt_in_transit: bool,
    pub access_controls: Vec<AccessControl>,
    pub audit_logging: bool,
    pub automatic_deletion: AutomaticDeletionConfig,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AccessControl {
    pub data_type: String,
    pub required_permissions: Vec<String>,
    pub access_level: AccessLevel,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum AccessLevel {
    None,
    ReadOnly,
    ReadWrite,
    Full,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AutomaticDeletionConfig {
    pub enabled: bool,
    pub retention_period_days: u32,
    pub deletion_triggers: Vec<DeletionTrigger>,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum DeletionTrigger {
    TimeElapsed,
    StorageFull,
    UserRequest,
    DeviceReset,
    PolicyChange,
}

// Additional supporting structures (simplified for brevity)

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TouchOptimizationConfig {
    pub touch_target_size: f32,
    pub gesture_optimization: bool,
    pub palm_rejection: bool,
    pub touch_sensitivity: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableVoiceInteraction {
    pub raise_to_speak: bool,
    pub voice_shortcuts: Vec<String>,
    pub noise_cancellation: bool,
    pub offline_commands: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct GestureRecognitionConfig {
    pub enabled: bool,
    pub gesture_types: Vec<GestureType>,
    pub sensitivity: f32,
    pub learning_enabled: bool,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum GestureType {
    TapToWake,
    WristTwist,
    AirGesture,
    CrownRotation,
    ButtonPress,
    Shake,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PhysicalControlsConfig {
    pub crown_enabled: bool,
    pub button_mapping: HashMap<String, String>,
    pub haptic_confirmation: bool,
    pub accessibility_support: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HapticFeedbackConfig {
    pub enabled: bool,
    pub intensity: f32,
    pub patterns: Vec<HapticPattern>,
    pub context_aware: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HapticPattern {
    pub name: String,
    pub pattern: Vec<u32>, // milliseconds
    pub intensity: f32,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DisplayOptimizationConfig {
    pub always_on_optimization: bool,
    pub brightness_adaptation: bool,
    pub content_simplification: bool,
    pub readability_enhancement: bool,
}

/// Wear OS integration status
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearOSStatus {
    pub connected: bool,
    pub device_info: Option<WearableDeviceInfo>,
    pub battery_level: f32,
    pub charging: bool,
    pub active_features: Vec<String>,
    pub health_monitoring_active: bool,
    pub performance_metrics: WearablePerformanceMetrics,
    pub sensor_status: HashMap<String, SensorStatus>,
}

/// Wearable device information
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearableDeviceInfo {
    pub manufacturer: String,
    pub model: String,
    pub wear_os_version: String,
    pub screen_size: (u32, u32), // width, height in pixels
    pub screen_shape: ScreenShape,
    pub available_sensors: Vec<String>,
    pub connectivity: Vec<String>,
    pub storage_capacity: u64, // bytes
    pub ram_capacity: u64,     // bytes
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ScreenShape {
    Round,
    Square,
    Rectangular,
}

/// Wearable performance metrics
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WearablePerformanceMetrics {
    pub cpu_usage_percent: f32,
    pub memory_usage_mb: usize,
    pub battery_drain_rate: f32, // percent per hour
    pub inference_latency_ms: f32,
    pub sensor_sampling_rate: f32,
    pub temperature_celsius: f32,
    pub network_quality: NetworkQuality,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum NetworkQuality {
    Excellent,
    Good,
    Fair,
    Poor,
    Offline,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum SensorStatus {
    Active,
    Standby,
    Error,
    Unavailable,
}

/// Health data record
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthDataRecord {
    pub data_type: HealthDataType,
    pub timestamp: u64,
    pub value: f32,
    pub unit: String,
    pub confidence: f32,
    pub context: Option<HealthContext>,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum HealthDataType {
    HeartRate,
    Steps,
    Calories,
    Distance,
    Sleep,
    Stress,
    BloodOxygen,
    SkinTemperature,
    Activity,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct HealthContext {
    pub activity: Option<ActivityType>,
    pub location: Option<String>,
    pub weather: Option<String>,
    pub user_state: Option<String>,
}

/// Wear OS integration manager
pub struct WearOSIntegration {
    config: WearOSConfig,
    status: Arc<Mutex<WearOSStatus>>,
    health_data: Arc<Mutex<VecDeque<HealthDataRecord>>>,
    sensor_manager: Arc<Mutex<WearableSensorManager>>,
    power_manager: Arc<Mutex<WearablePowerManager>>,
    notification_processor: Arc<Mutex<Option<NotificationProcessor>>>,
}

/// Wearable sensor manager
pub struct WearableSensorManager {
    active_sensors: HashMap<String, SensorStatus>,
    sampling_rates: HashMap<String, f32>,
    last_readings: HashMap<String, f32>,
}

/// Wearable power manager
pub struct WearablePowerManager {
    optimization_level: BatteryOptimizationLevel,
    active_modes: Vec<PowerSavingMode>,
    thermal_state: f32,
    power_budget: PowerBudget,
}

#[derive(Debug, Clone)]
pub struct PowerBudget {
    pub total_budget_mw: f32,
    pub inference_budget_mw: f32,
    pub sensor_budget_mw: f32,
    pub display_budget_mw: f32,
    pub connectivity_budget_mw: f32,
}

/// Notification processor
pub struct NotificationProcessor {
    config: NotificationIntelligenceConfig,
    priority_classifier: Option<PriorityClassifier>,
    context_analyzer: Option<ContextAnalyzer>,
}

pub struct PriorityClassifier {
    model_weights: Vec<f32>,
    threshold: f32,
}

pub struct ContextAnalyzer {
    user_patterns: HashMap<String, f32>,
    context_weights: HashMap<String, f32>,
}

impl Default for WearOSConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            power_management: WearablePowerManagement::default(),
            health_features: HealthFeaturesConfig::default(),
            interaction_modes: WearableInteractionConfig::default(),
            phone_connectivity: PhoneConnectivityConfig::default(),
            sensor_integration: WearableSensorConfig::default(),
            notification_intelligence: NotificationIntelligenceConfig::default(),
            voice_processing: WearableVoiceConfig::default(),
            privacy_settings: WearablePrivacySettings::default(),
            performance_constraints: WearablePerformanceConstraints::default(),
        }
    }
}

impl Default for WearablePowerManagement {
    fn default() -> Self {
        Self {
            battery_optimization: BatteryOptimizationLevel::Balanced,
            always_on_display_aware: true,
            power_saving_modes: vec![PowerSavingMode::LowBattery, PowerSavingMode::OffCharger],
            thermal_management: WearableThermalManagement {
                temperature_monitoring: true,
                thermal_throttling: true,
                cooling_strategies: vec![
                    CoolingStrategy::ReduceInferenceFrequency,
                    CoolingStrategy::DisableNonEssentialFeatures,
                ],
                temperature_thresholds: TemperatureThresholds {
                    warning_celsius: 35.0,
                    critical_celsius: 40.0,
                    throttle_celsius: 37.0,
                    shutdown_celsius: 45.0,
                },
            },
            charging_state_awareness: true,
            low_power_thresholds: LowPowerThresholds {
                critical_battery_percent: 5.0,
                low_battery_percent: 15.0,
                moderate_battery_percent: 30.0,
                charging_resume_percent: 80.0,
            },
        }
    }
}

impl Default for HealthFeaturesConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            heart_rate_analysis: HeartRateAnalysisConfig {
                enabled: true,
                continuous_monitoring: false,
                anomaly_detection: true,
                exercise_detection: true,
                recovery_analysis: true,
                hrv_analysis: false, // More advanced feature
            },
            activity_recognition: ActivityRecognitionConfig {
                enabled: true,
                activity_types: vec![
                    ActivityType::Walking,
                    ActivityType::Running,
                    ActivityType::Cycling,
                    ActivityType::Sleep,
                    ActivityType::Sedentary,
                ],
                automatic_detection: true,
                confidence_threshold: 0.7,
                calorie_estimation: true,
                intensity_classification: true,
            },
            sleep_analysis: SleepAnalysisConfig {
                enabled: true,
                sleep_stage_detection: true,
                sleep_quality_scoring: true,
                smart_alarm: true,
                sleep_goal_tracking: true,
                environmental_factors: false,
            },
            stress_monitoring: StressMonitoringConfig {
                enabled: true,
                stress_detection_methods: vec![
                    StressDetectionMethod::HeartRateVariability,
                    StressDetectionMethod::MotionPattern,
                ],
                breathing_guidance: true,
                stress_alerts: true,
                relaxation_suggestions: true,
            },
            fall_detection: FallDetectionConfig {
                enabled: false, // Opt-in feature
                sensitivity: FallDetectionSensitivity::Medium,
                emergency_response: EmergencyResponseConfig {
                    automatic_emergency_call: false,
                    emergency_contacts: vec![],
                    location_sharing: true,
                    countdown_timer: 60,
                    medical_id_sharing: false,
                },
                false_positive_reduction: true,
                activity_context_awareness: true,
            },
            health_data_privacy: HealthDataPrivacyConfig {
                local_processing_only: true,
                encryption_enabled: true,
                data_retention_days: 30,
                anonymization: true,
                user_control: true,
            },
        }
    }
}

impl Default for WearableInteractionConfig {
    fn default() -> Self {
        Self {
            touch_optimization: TouchOptimizationConfig {
                touch_target_size: 44.0, // pixels
                gesture_optimization: true,
                palm_rejection: true,
                touch_sensitivity: 0.8,
            },
            voice_interaction: WearableVoiceInteraction {
                raise_to_speak: true,
                voice_shortcuts: vec!["Call home".to_string(), "Start workout".to_string()],
                noise_cancellation: true,
                offline_commands: vec!["Timer".to_string(), "Stopwatch".to_string()],
            },
            gesture_recognition: GestureRecognitionConfig {
                enabled: true,
                gesture_types: vec![
                    GestureType::TapToWake,
                    GestureType::WristTwist,
                    GestureType::CrownRotation,
                ],
                sensitivity: 0.7,
                learning_enabled: true,
            },
            physical_controls: PhysicalControlsConfig {
                crown_enabled: true,
                button_mapping: {
                    let mut map = HashMap::new();
                    map.insert("crown_press".to_string(), "home".to_string());
                    map.insert("side_button".to_string(), "app_switcher".to_string());
                    map
                },
                haptic_confirmation: true,
                accessibility_support: true,
            },
            haptic_feedback: HapticFeedbackConfig {
                enabled: true,
                intensity: 0.7,
                patterns: vec![
                    HapticPattern {
                        name: "notification".to_string(),
                        pattern: vec![100, 50, 100],
                        intensity: 0.5,
                    },
                    HapticPattern {
                        name: "success".to_string(),
                        pattern: vec![50, 25, 50, 25, 100],
                        intensity: 0.8,
                    },
                ],
                context_aware: true,
            },
            display_optimization: DisplayOptimizationConfig {
                always_on_optimization: true,
                brightness_adaptation: true,
                content_simplification: true,
                readability_enhancement: true,
            },
        }
    }
}

impl Default for PhoneConnectivityConfig {
    fn default() -> Self {
        Self {
            bluetooth_config: BluetoothConfig {
                auto_connect: true,
                power_optimization: true,
                fallback_enabled: true,
            },
            wifi_independence: WifiIndependenceConfig {
                standalone_mode: true,
                wifi_calling: false,
                data_sync_over_wifi: true,
            },
            data_sync: DataSyncConfig {
                sync_frequency: Duration::from_secs(300), // 5 minutes
                incremental_sync: true,
                compression_enabled: true,
                conflict_resolution: ConflictResolution::ServerWins,
            },
            offline_capabilities: OfflineCapabilitiesConfig {
                offline_inference: true,
                cache_size_mb: 50,
                essential_data_priority: true,
            },
            companion_app: CompanionAppConfig {
                required: false,
                auto_install: true,
                feature_parity: false,
            },
        }
    }
}

impl Default for WearableSensorConfig {
    fn default() -> Self {
        Self {
            motion_sensors: MotionSensorConfig {
                accelerometer_enabled: true,
                gyroscope_enabled: true,
                sampling_rate_hz: 50.0,
                power_optimization: true,
            },
            heart_rate_sensor: HeartRateSensorConfig {
                enabled: true,
                continuous_mode: false,
                accuracy_level: AccuracyLevel::High,
                power_optimization: true,
            },
            ambient_light_sensor: AmbientLightSensorConfig {
                enabled: true,
                auto_brightness: true,
                power_optimization: true,
            },
            barometer: BarometerConfig {
                enabled: true,
                altitude_tracking: true,
                weather_integration: false,
            },
            gps_config: WearableGPSConfig {
                enabled: true,
                accuracy_mode: GPSAccuracyMode::Balanced,
                power_optimization: true,
                assisted_gps: true,
            },
            microphone_config: MicrophoneConfig {
                enabled: true,
                noise_cancellation: true,
                voice_activation: true,
                power_optimization: true,
            },
            sensor_fusion: SensorFusionConfig {
                enabled: true,
                fusion_algorithms: vec!["kalman".to_string(), "complementary".to_string()],
                real_time_processing: true,
            },
        }
    }
}

impl Default for NotificationIntelligenceConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            priority_classification: PriorityClassificationConfig {
                enabled: true,
                learning_enabled: true,
                user_feedback_integration: true,
                context_aware: true,
            },
            context_awareness: ContextAwarenessConfig {
                time_of_day: true,
                activity_context: true,
                location_context: false, // Privacy consideration
                calendar_integration: true,
            },
            smart_filtering: SmartFilteringConfig {
                duplicate_detection: true,
                spam_filtering: true,
                relevance_scoring: true,
                batch_notifications: true,
            },
            personalization: NotificationPersonalizationConfig {
                user_preferences: true,
                learning_algorithms: true,
                feedback_integration: true,
                privacy_preserving: true,
            },
            dnd_integration: DNDIntegrationConfig {
                respect_dnd_settings: true,
                emergency_override: true,
                scheduled_quiet_hours: true,
                activity_based_dnd: true,
            },
        }
    }
}

impl Default for WearableVoiceConfig {
    fn default() -> Self {
        Self {
            enabled: true,
            wake_word_optimization: WakeWordOptimization {
                wearable_optimized: true,
                low_power_mode: true,
                noise_robustness: true,
                user_voice_adaptation: true,
            },
            noise_robust_recognition: NoiseRobustRecognition {
                wind_noise_cancellation: true,
                movement_noise_filtering: true,
                environmental_adaptation: true,
                multi_microphone_fusion: false, // Single mic typical
            },
            voice_shortcuts: VoiceShortcutsConfig {
                enabled: true,
                custom_shortcuts: vec![],
                system_shortcuts: vec![
                    "Start timer".to_string(),
                    "Call emergency".to_string(),
                    "Find my phone".to_string(),
                ],
                offline_shortcuts: true,
            },
            offline_processing: OfflineVoiceProcessing {
                enabled: true,
                offline_commands: vec![
                    "timer".to_string(),
                    "stopwatch".to_string(),
                    "flashlight".to_string(),
                ],
                model_size_mb: 10,
                accuracy_vs_size_tradeoff: 0.7,
            },
            feedback_optimization: VoiceFeedbackOptimization {
                haptic_confirmation: true,
                visual_feedback: true,
                audio_confirmation: false, // Save power
                context_aware_feedback: true,
            },
        }
    }
}

impl Default for WearablePerformanceConstraints {
    fn default() -> Self {
        Self {
            max_cpu_usage: 25.0, // Very conservative for wearables
            max_memory_usage: 64,  // 64MB max
            max_inference_latency: 200, // 200ms max
            max_power_consumption: 200.0, // 200mW max
            battery_usage_limits: BatteryUsageLimits {
                max_hourly_drain_percent: 5.0,
                max_daily_drain_percent: 30.0,
                background_usage_limit: 1.0,
                active_usage_limit: 10.0,
            },
            thermal_constraints: ThermalConstraints {
                max_skin_temperature_celsius: 37.0, // Body temperature
                throttling_temperature_celsius: 35.0,
                emergency_shutdown_celsius: 42.0,
                thermal_mass_consideration: true,
            },
        }
    }
}

impl Default for WearablePrivacySettings {
    fn default() -> Self {
        Self {
            data_minimization: true,
            prefer_on_device: true,
            health_data_protection: HealthDataProtection {
                encrypt_at_rest: true,
                encrypt_in_transit: true,
                access_controls: vec![],
                audit_logging: true,
                automatic_deletion: AutomaticDeletionConfig {
                    enabled: true,
                    retention_period_days: 30,
                    deletion_triggers: vec![
                        DeletionTrigger::TimeElapsed,
                        DeletionTrigger::StorageFull,
                        DeletionTrigger::UserRequest,
                    ],
                },
            },
            location_privacy: LocationPrivacyConfig {
                precise_location: false,
                approximate_location: true,
                location_history: false,
                geofencing: true,
            },
            biometric_data_handling: BiometricDataHandling {
                local_processing_only: true,
                encryption_required: true,
                access_logging: true,
                sharing_restrictions: true,
            },
            consent_granularity: ConsentGranularityConfig {
                per_data_type: true,
                per_feature: true,
                withdrawal_ease: true,
                clear_explanations: true,
            },
        }
    }
}

// Implementation stubs for supporting types

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BluetoothConfig {
    pub auto_connect: bool,
    pub power_optimization: bool,
    pub fallback_enabled: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WifiIndependenceConfig {
    pub standalone_mode: bool,
    pub wifi_calling: bool,
    pub data_sync_over_wifi: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DataSyncConfig {
    pub sync_frequency: Duration,
    pub incremental_sync: bool,
    pub compression_enabled: bool,
    pub conflict_resolution: ConflictResolution,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ConflictResolution {
    ServerWins,
    ClientWins,
    UserChoice,
    Merge,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OfflineCapabilitiesConfig {
    pub offline_inference: bool,
    pub cache_size_mb: usize,
    pub essential_data_priority: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CompanionAppConfig {
    pub required: bool,
    pub auto_install: bool,
    pub feature_parity: bool,
}

// Additional supporting type implementations would continue here...
// (Truncated for brevity, but would include all the sensor configs,
//  notification configs, and other supporting structures)

impl WearOSIntegration {
    /// Create new Wear OS integration
    pub fn new(config: WearOSConfig) -> Result<Self> {
        let status = WearOSStatus {
            connected: false,
            device_info: None,
            battery_level: 1.0,
            charging: false,
            active_features: vec![],
            health_monitoring_active: false,
            performance_metrics: WearablePerformanceMetrics {
                cpu_usage_percent: 0.0,
                memory_usage_mb: 0,
                battery_drain_rate: 0.0,
                inference_latency_ms: 0.0,
                sensor_sampling_rate: 0.0,
                temperature_celsius: 25.0,
                network_quality: NetworkQuality::Unknown,
            },
            sensor_status: HashMap::new(),
        };

        Ok(Self {
            config,
            status: Arc::new(Mutex::new(status)),
            health_data: Arc::new(Mutex::new(VecDeque::new())),
            sensor_manager: Arc::new(Mutex::new(WearableSensorManager {
                active_sensors: HashMap::new(),
                sampling_rates: HashMap::new(),
                last_readings: HashMap::new(),
            })),
            power_manager: Arc::new(Mutex::new(WearablePowerManager {
                optimization_level: config.power_management.battery_optimization,
                active_modes: config.power_management.power_saving_modes.clone(),
                thermal_state: 0.0,
                power_budget: PowerBudget {
                    total_budget_mw: config.performance_constraints.max_power_consumption,
                    inference_budget_mw: config.performance_constraints.max_power_consumption * 0.4,
                    sensor_budget_mw: config.performance_constraints.max_power_consumption * 0.3,
                    display_budget_mw: config.performance_constraints.max_power_consumption * 0.2,
                    connectivity_budget_mw: config.performance_constraints.max_power_consumption * 0.1,
                },
            })),
            notification_processor: Arc::new(Mutex::new(None)),
        })
    }

    /// Connect to Wear OS device
    pub fn connect(&self) -> Result<()> {
        if !self.config.enabled {
            return Err(TrustformersError::runtime_error("Wear OS support not enabled".into()).into());
        }

        let mut status = self.status.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire status lock".into())?;

        status.connected = true;
        status.device_info = Some(WearableDeviceInfo {
            manufacturer: "Generic".to_string(),
            model: "Wear OS Watch".to_string(),
            wear_os_version: "3.0".to_string(),
            screen_size: (320, 320),
            screen_shape: ScreenShape::Round,
            available_sensors: vec![
                "accelerometer".to_string(),
                "gyroscope".to_string(),
                "heart_rate".to_string(),
                "ambient_light".to_string(),
            ],
            connectivity: vec!["bluetooth".to_string(), "wifi".to_string()],
            storage_capacity: 8 * 1024 * 1024 * 1024, // 8GB
            ram_capacity: 1 * 1024 * 1024 * 1024,     // 1GB
        });

        // Initialize components
        if self.config.health_features.enabled {
            self.initialize_health_monitoring()?;
        }

        if self.config.notification_intelligence.enabled {
            self.initialize_notification_processor()?;
        }

        Ok(())
    }

    /// Start health monitoring
    pub fn start_health_monitoring(&self) -> Result<()> {
        if !self.config.health_features.enabled {
            return Err(TrustformersError::runtime_error("Health features not enabled".into()).into());
        }

        let mut status = self.status.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire status lock".into())?;

        status.health_monitoring_active = true;

        // Start sensor monitoring
        if self.config.health_features.heart_rate_analysis.enabled {
            self.start_heart_rate_monitoring()?;
        }

        if self.config.health_features.activity_recognition.enabled {
            self.start_activity_recognition()?;
        }

        Ok(())
    }

    /// Record health data
    pub fn record_health_data(&self, data: HealthDataRecord) -> Result<()> {
        let mut health_data = self.health_data.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire health data lock".into())?;

        health_data.push_back(data);

        // Keep only recent data (configurable retention)
        let retention_limit = 1000; // Keep last 1000 records
        while health_data.len() > retention_limit {
            health_data.pop_front();
        }

        Ok(())
    }

    /// Process incoming notification
    pub fn process_notification(&self, notification: &str) -> Result<NotificationDecision> {
        if !self.config.notification_intelligence.enabled {
            return Ok(NotificationDecision::Show); // Default behavior
        }

        let processor = self.notification_processor.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire processor lock".into())?;

        if let Some(proc) = processor.as_ref() {
            // Simplified notification processing
            self.classify_notification_priority(notification)
        } else {
            Ok(NotificationDecision::Show)
        }
    }

    /// Update battery status
    pub fn update_battery_status(&self, level: f32, charging: bool) -> Result<()> {
        let mut status = self.status.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire status lock".into())?;

        status.battery_level = level;
        status.charging = charging;

        // Update power management based on battery level
        let mut power_manager = self.power_manager.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire power manager lock".into())?;

        if level < self.config.power_management.low_power_thresholds.critical_battery_percent / 100.0 {
            power_manager.optimization_level = BatteryOptimizationLevel::Aggressive;
        } else if level < self.config.power_management.low_power_thresholds.low_battery_percent / 100.0 {
            power_manager.optimization_level = BatteryOptimizationLevel::Balanced;
        } else if charging {
            power_manager.optimization_level = BatteryOptimizationLevel::Minimal;
        }

        Ok(())
    }

    /// Get current status
    pub fn get_status(&self) -> Result<WearOSStatus> {
        let status = self.status.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire status lock".into())?;

        Ok(status.clone())
    }

    /// Get health data summary
    pub fn get_health_data_summary(&self, hours: u32) -> Result<HealthSummary> {
        let health_data = self.health_data.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire health data lock".into())?;

        let cutoff_time = SystemTime::now()
            .duration_since(UNIX_EPOCH)
            .unwrap_or_default()
            .as_secs() - (hours as u64 * 3600);

        let recent_data: Vec<_> = health_data.iter()
            .filter(|record| record.timestamp > cutoff_time)
            .cloned()
            .collect();

        Ok(HealthSummary::from_records(&recent_data))
    }

    // Private helper methods

    fn initialize_health_monitoring(&self) -> Result<()> {
        // Initialize health monitoring components
        Ok(())
    }

    fn initialize_notification_processor(&self) -> Result<()> {
        let mut processor = self.notification_processor.lock()
            .map_err(|_| TrustformersError::runtime_error("Failed to acquire processor lock".into())?;

        *processor = Some(NotificationProcessor {
            config: self.config.notification_intelligence.clone(),
            priority_classifier: Some(PriorityClassifier {
                model_weights: vec![0.8, 0.6, 0.4, 0.2], // Simplified weights
                threshold: 0.5,
            }),
            context_analyzer: Some(ContextAnalyzer {
                user_patterns: HashMap::new(),
                context_weights: HashMap::new(),
            }),
        });

        Ok(())
    }

    fn start_heart_rate_monitoring(&self) -> Result<()> {
        // Start heart rate sensor
        Ok(())
    }

    fn start_activity_recognition(&self) -> Result<()> {
        // Start activity recognition
        Ok(())
    }

    fn classify_notification_priority(&self, _notification: &str) -> Result<NotificationDecision> {
        // Simplified notification classification
        Ok(NotificationDecision::Show)
    }
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum NotificationDecision {
    Show,
    Hide,
    Defer,
    Priority,
}

#[derive(Debug, Clone)]
pub struct HealthSummary {
    pub step_count: u32,
    pub average_heart_rate: f32,
    pub calories_burned: f32,
    pub active_minutes: u32,
    pub sleep_hours: f32,
    pub stress_level: f32,
}

impl HealthSummary {
    fn from_records(records: &[HealthDataRecord]) -> Self {
        // Simplified summary calculation
        Self {
            step_count: records.iter()
                .filter(|r| r.data_type == HealthDataType::Steps)
                .map(|r| r.value as u32)
                .sum(),
            average_heart_rate: records.iter()
                .filter(|r| r.data_type == HealthDataType::HeartRate)
                .map(|r| r.value)
                .fold(0.0, |acc, x| acc + x) / records.len().max(1) as f32,
            calories_burned: records.iter()
                .filter(|r| r.data_type == HealthDataType::Calories)
                .map(|r| r.value)
                .sum(),
            active_minutes: records.iter()
                .filter(|r| r.data_type == HealthDataType::Activity)
                .map(|r| r.value as u32)
                .sum(),
            sleep_hours: records.iter()
                .filter(|r| r.data_type == HealthDataType::Sleep)
                .map(|r| r.value)
                .sum(),
            stress_level: records.iter()
                .filter(|r| r.data_type == HealthDataType::Stress)
                .map(|r| r.value)
                .fold(0.0, |acc, x| acc + x) / records.len().max(1) as f32,
        }
    }
}

// Additional type stubs for completeness (would be fully implemented)
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LocationPrivacyConfig {
    pub precise_location: bool,
    pub approximate_location: bool,
    pub location_history: bool,
    pub geofencing: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BiometricDataHandling {
    pub local_processing_only: bool,
    pub encryption_required: bool,
    pub access_logging: bool,
    pub sharing_restrictions: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConsentGranularityConfig {
    pub per_data_type: bool,
    pub per_feature: bool,
    pub withdrawal_ease: bool,
    pub clear_explanations: bool,
}

// ... Additional type implementations would continue here

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_wear_os_config_default() {
        let config = WearOSConfig::default();
        assert!(config.enabled);
        assert!(config.health_features.enabled);
        assert!(config.power_management.battery_optimization == BatteryOptimizationLevel::Balanced);
    }

    #[test]
    fn test_wear_os_integration_creation() {
        let config = WearOSConfig::default();
        let integration = WearOSIntegration::new(config);
        assert!(integration.is_ok());
    }

    #[test]
    fn test_wear_os_connection() {
        let config = WearOSConfig::default();
        let integration = WearOSIntegration::new(config).expect("Operation failed");

        let result = integration.connect();
        assert!(result.is_ok());

        let status = integration.get_status().expect("Operation failed");
        assert!(status.connected);
        assert!(status.device_info.is_some());
    }

    #[test]
    fn test_health_data_recording() {
        let config = WearOSConfig::default();
        let integration = WearOSIntegration::new(config).expect("Operation failed");

        let health_record = HealthDataRecord {
            data_type: HealthDataType::HeartRate,
            timestamp: SystemTime::now().duration_since(UNIX_EPOCH).expect("Operation failed").as_secs(),
            value: 72.0,
            unit: "bpm".to_string(),
            confidence: 0.95,
            context: None,
        };

        let result = integration.record_health_data(health_record);
        assert!(result.is_ok());
    }

    #[test]
    fn test_battery_status_updates() {
        let config = WearOSConfig::default();
        let integration = WearOSIntegration::new(config).expect("Operation failed");

        // Test low battery scenario
        let result = integration.update_battery_status(0.10, false);
        assert!(result.is_ok());

        let status = integration.get_status().expect("Operation failed");
        assert_eq!(status.battery_level, 0.10);
        assert!(!status.charging);
    }

    #[test]
    fn test_health_monitoring_start() {
        let config = WearOSConfig::default();
        let integration = WearOSIntegration::new(config).expect("Operation failed");

        integration.connect().expect("Operation failed");
        let result = integration.start_health_monitoring();
        assert!(result.is_ok());

        let status = integration.get_status().expect("Operation failed");
        assert!(status.health_monitoring_active);
    }
}