import 'package:flutter/material.dart';

enum FieldTestEventType {
  rideStart,
  rideEnd,
  gpsFix,
  gpsHealthChanged,
  gpsLost,
  gpsRecovered,
  gpsBaselineReset,
  gpsOutlierRejected,
  speedZeroSnap,
  speedOutlier,
  speedChanged,
  imuSample,
  imuAnomaly,
  imuSpikeFiltered,
  calibrationLoaded,
  calibrationChanged,
  gForcePeak,
  leanPeak,
  telemetryStarted,
  telemetryStopped,
  telemetryBatchFlushed,
  telemetryPersistenceError,
  roadAlertReceived,
  roadAlertDeduplicated,
  roadAlertExpired,
  ttsRequested,
  ttsSuccess,
  ttsFailure,
  databaseWrite,
  databaseWriteFailure,
  appPaused,
  appResumed,
  appBackgrounded,
  appForegrounded,
  rideRecovery,
  rideInterrupted,
  thermalWarning,
  memoryWarning,
  loggerStarted,
  loggerStopped,
  loggerFlush,
  loggerError,
}

enum FieldTestSeverity {
  debug,
  info,
  warning,
  error,
  critical,
}

extension FieldTestSeverityExtension on FieldTestSeverity {
  Color get color {
    switch (this) {
      case FieldTestSeverity.debug:
        return Colors.grey;
      case FieldTestSeverity.info:
        return Colors.cyanAccent;
      case FieldTestSeverity.warning:
        return Colors.amberAccent;
      case FieldTestSeverity.error:
        return Colors.orangeAccent;
      case FieldTestSeverity.critical:
        return Colors.redAccent;
    }
  }

  String get label => name.toUpperCase();
}

enum HealthScoreCategory {
  good,
  degraded,
  warning,
  critical,
}

extension HealthScoreCategoryExtension on HealthScoreCategory {
  Color get color {
    switch (this) {
      case HealthScoreCategory.good:
        return Colors.greenAccent;
      case HealthScoreCategory.degraded:
        return Colors.cyanAccent;
      case HealthScoreCategory.warning:
        return Colors.amberAccent;
      case HealthScoreCategory.critical:
        return Colors.redAccent;
    }
  }

  String get label => name.toUpperCase();
}

class SystemHealthSummary {
  final HealthScoreCategory gpsHealth;
  final HealthScoreCategory sensorsHealth;
  final HealthScoreCategory persistenceHealth;
  final HealthScoreCategory lifecycleHealth;
  final HealthScoreCategory roadAlertsHealth;
  final HealthScoreCategory ttsHealth;
  final int totalAnomalies;
  final int criticalCount;
  final int warningCount;

  const SystemHealthSummary({
    required this.gpsHealth,
    required this.sensorsHealth,
    required this.persistenceHealth,
    required this.lifecycleHealth,
    required this.roadAlertsHealth,
    required this.ttsHealth,
    required this.totalAnomalies,
    required this.criticalCount,
    required this.warningCount,
  });

  Map<String, dynamic> toJson() => {
    'gpsHealth': gpsHealth.name,
    'sensorsHealth': sensorsHealth.name,
    'persistenceHealth': persistenceHealth.name,
    'lifecycleHealth': lifecycleHealth.name,
    'roadAlertsHealth': roadAlertsHealth.name,
    'ttsHealth': ttsHealth.name,
    'totalAnomalies': totalAnomalies,
    'criticalCount': criticalCount,
    'warningCount': warningCount,
  };

  factory SystemHealthSummary.fromJson(Map<String, dynamic> json) {
    return SystemHealthSummary(
      gpsHealth: HealthScoreCategory.values.byName(json['gpsHealth'] ?? 'good'),
      sensorsHealth: HealthScoreCategory.values.byName(json['sensorsHealth'] ?? 'good'),
      persistenceHealth: HealthScoreCategory.values.byName(json['persistenceHealth'] ?? 'good'),
      lifecycleHealth: HealthScoreCategory.values.byName(json['lifecycleHealth'] ?? 'good'),
      roadAlertsHealth: HealthScoreCategory.values.byName(json['roadAlertsHealth'] ?? 'good'),
      ttsHealth: HealthScoreCategory.values.byName(json['ttsHealth'] ?? 'good'),
      totalAnomalies: json['totalAnomalies'] ?? 0,
      criticalCount: json['criticalCount'] ?? 0,
      warningCount: json['warningCount'] ?? 0,
    );
  }
}

class AnomalyEvent {
  final DateTime timestamp;
  final FieldTestEventType type;
  final FieldTestSeverity severity;
  final String title;
  final String details;

  const AnomalyEvent({
    required this.timestamp,
    required this.type,
    required this.severity,
    required this.title,
    required this.details,
  });
}