import 'package:flutter/material.dart';

enum FieldTestEventType {
  rideStarted,
  rideStopped,
  gpsStale,
  gpsRecovered,
  gpsJumpRejected,
  gpsAccuracyDegraded,
  imuSaturation,
  imuRecovered,
  telemetryGap,
  telemetryRecovered,
  timestampError,
  sampleAccepted,
  sampleSuspect,
  sampleRejected,
  accelerationEvent,
  brakingEvent,
  performanceRunStarted,
  performanceRunCompleted,
  performanceRunRejected,
  appPaused,
  appResumed,
  foregroundServiceStarted,
  foregroundServiceStopped,
  databaseFlush,
  databaseQueueWarning,
  databaseQueueOverflow,
  databaseRecovery,
  exportStarted,
  exportCompleted,
  exportFailed,
  sensorInitialized,
  sensorError,
  gpsInitialized,
  gpsError,
  calibrationStarted,
  calibrationCompleted,
  roadAlertReceived,
  ttsAnnounced,
  audioFailure,
  networkError;

  String get displayName {
    switch (this) {
      case FieldTestEventType.rideStarted: return 'RIDE_STARTED';
      case FieldTestEventType.rideStopped: return 'RIDE_STOPPED';
      case FieldTestEventType.gpsStale: return 'GPS_STALE';
      case FieldTestEventType.gpsRecovered: return 'GPS_RECOVERED';
      case FieldTestEventType.gpsJumpRejected: return 'GPS_JUMP_REJECTED';
      case FieldTestEventType.gpsAccuracyDegraded: return 'GPS_ACCURACY_DEGRADED';
      case FieldTestEventType.imuSaturation: return 'IMU_SATURATION';
      case FieldTestEventType.imuRecovered: return 'IMU_RECOVERED';
      case FieldTestEventType.telemetryGap: return 'TELEMETRY_GAP';
      case FieldTestEventType.telemetryRecovered: return 'TELEMETRY_RECOVERED';
      case FieldTestEventType.timestampError: return 'TIMESTAMP_ERROR';
      case FieldTestEventType.sampleAccepted: return 'SAMPLE_ACCEPTED';
      case FieldTestEventType.sampleSuspect: return 'SAMPLE_SUSPECT';
      case FieldTestEventType.sampleRejected: return 'SAMPLE_REJECTED';
      case FieldTestEventType.accelerationEvent: return 'ACCELERATION_EVENT';
      case FieldTestEventType.brakingEvent: return 'BRAKING_EVENT';
      case FieldTestEventType.performanceRunStarted: return 'PERFORMANCE_RUN_STARTED';
      case FieldTestEventType.performanceRunCompleted: return 'PERFORMANCE_RUN_COMPLETED';
      case FieldTestEventType.performanceRunRejected: return 'PERFORMANCE_RUN_REJECTED';
      case FieldTestEventType.appPaused: return 'APP_PAUSED';
      case FieldTestEventType.appResumed: return 'APP_RESUMED';
      case FieldTestEventType.foregroundServiceStarted: return 'FOREGROUND_SERVICE_STARTED';
      case FieldTestEventType.foregroundServiceStopped: return 'FOREGROUND_SERVICE_STOPPED';
      case FieldTestEventType.databaseFlush: return 'DATABASE_FLUSH';
      case FieldTestEventType.databaseQueueWarning: return 'DATABASE_QUEUE_WARNING';
      case FieldTestEventType.databaseQueueOverflow: return 'DATABASE_QUEUE_OVERFLOW';
      case FieldTestEventType.databaseRecovery: return 'DATABASE_RECOVERY';
      case FieldTestEventType.exportStarted: return 'EXPORT_STARTED';
      case FieldTestEventType.exportCompleted: return 'EXPORT_COMPLETED';
      case FieldTestEventType.exportFailed: return 'EXPORT_FAILED';
      case FieldTestEventType.sensorInitialized: return 'SENSOR_INITIALIZED';
      case FieldTestEventType.sensorError: return 'SENSOR_ERROR';
      case FieldTestEventType.gpsInitialized: return 'GPS_INITIALIZED';
      case FieldTestEventType.gpsError: return 'GPS_ERROR';
      case FieldTestEventType.calibrationStarted: return 'CALIBRATION_STARTED';
      case FieldTestEventType.calibrationCompleted: return 'CALIBRATION_COMPLETED';
      case FieldTestEventType.roadAlertReceived: return 'ROAD_ALERT_RECEIVED';
      case FieldTestEventType.ttsAnnounced: return 'TTS_ANNOUNCED';
      case FieldTestEventType.audioFailure: return 'AUDIO_FAILURE';
      case FieldTestEventType.networkError: return 'NETWORK_ERROR';
    }
  }

  static FieldTestEventType fromString(String val) {
    final clean = val.toUpperCase().replaceAll('-', '_');
    for (final e in FieldTestEventType.values) {
      if (e.displayName == clean || e.name.toUpperCase() == clean) {
        return e;
      }
    }
    return FieldTestEventType.sampleAccepted;
  }
}

enum EventSeverity {
  info,
  warning,
  error,
  critical;

  String get displayName => name.toUpperCase();

  Color get color {
    switch (this) {
      case EventSeverity.info: return Colors.cyanAccent;
      case EventSeverity.warning: return Colors.amberAccent;
      case EventSeverity.error: return Colors.orangeAccent;
      case EventSeverity.critical: return Colors.redAccent;
    }
  }

  static EventSeverity fromString(String val) {
    final clean = val.toLowerCase();
    for (final s in EventSeverity.values) {
      if (s.name.toLowerCase() == clean) {
        return s;
      }
    }
    return EventSeverity.info;
  }
}

class FieldTestEvent {
  final int? id;
  final DateTime timestamp;
  final FieldTestEventType eventType;
  final int? rideId;
  final EventSeverity severity;
  final String message;
  final DateTime? telemetryTimestamp;
  final int? gpsAgeMs;
  final double? speed;
  final double? latitude;
  final double? longitude;
  final double? gpsAccuracy;
  final double? leanAngle;
  final double? longitudinalG;
  final double? lateralG;
  final double? overallConfidence;
  final Map<String, dynamic>? metadata;

  const FieldTestEvent({
    this.id,
    required this.timestamp,
    required this.eventType,
    this.rideId,
    required this.severity,
    required this.message,
    this.telemetryTimestamp,
    this.gpsAgeMs,
    this.speed,
    this.latitude,
    this.longitude,
    this.gpsAccuracy,
    this.leanAngle,
    this.longitudinalG,
    this.lateralG,
    this.overallConfidence,
    this.metadata,
  });

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'timestamp': timestamp.toIso8601String(),
      'eventType': eventType.displayName,
      'rideId': rideId,
      'severity': severity.displayName,
      'message': message,
      'telemetryTimestamp': telemetryTimestamp?.toIso8601String(),
      'gpsAgeMs': gpsAgeMs,
      'speed': speed,
      'latitude': latitude,
      'longitude': longitude,
      'gpsAccuracy': gpsAccuracy,
      'leanAngle': leanAngle,
      'longitudinalG': longitudinalG,
      'lateralG': lateralG,
      'overallConfidence': overallConfidence,
      'metadata': metadata,
    };
  }

  factory FieldTestEvent.fromJson(Map<String, dynamic> json) {
    return FieldTestEvent(
      id: json['id'] as int?,
      timestamp: DateTime.parse(json['timestamp'] as String),
      eventType: FieldTestEventType.fromString(json['eventType'] as String),
      rideId: json['rideId'] as int?,
      severity: EventSeverity.fromString(json['severity'] as String),
      message: json['message'] as String? ?? '',
      telemetryTimestamp: json['telemetryTimestamp'] != null
          ? DateTime.parse(json['telemetryTimestamp'] as String)
          : null,
      gpsAgeMs: json['gpsAgeMs'] as int?,
      speed: (json['speed'] as num?)?.toDouble(),
      latitude: (json['latitude'] as num?)?.toDouble(),
      longitude: (json['longitude'] as num?)?.toDouble(),
      gpsAccuracy: (json['gpsAccuracy'] as num?)?.toDouble(),
      leanAngle: (json['leanAngle'] as num?)?.toDouble(),
      longitudinalG: (json['longitudinalG'] as num?)?.toDouble(),
      lateralG: (json['lateralG'] as num?)?.toDouble(),
      overallConfidence: (json['overallConfidence'] as num?)?.toDouble(),
      metadata: json['metadata'] as Map<String, dynamic>?,
    );
  }
}