import 'package:flutter/foundation.dart';
import 'road_alert_models.dart';
import 'road_alert_provider_interface.dart';

class MockRoadAlertProvider implements RoadAlertProvider {
  @override
  String get id => 'mock_police_debug';

  @override
  String get name => 'Debug Mock Police & Speed-Traps';

  @override
  Set<RoadAlertCategory> get supportedCategories => const {
        RoadAlertCategory.police,
        RoadAlertCategory.speedCamera,
        RoadAlertCategory.accident,
        RoadAlertCategory.hazard,
        RoadAlertCategory.roadClosure,
        RoadAlertCategory.construction,
        RoadAlertCategory.traffic,
        RoadAlertCategory.other,
      };

  @override
  Future<RoadAlertProviderStatus> testConnection(String apiKey) async {
    return kDebugMode ? RoadAlertProviderStatus.connected : RoadAlertProviderStatus.notConfigured;
  }

  @override
  Future<List<RoadAlert>> getAlerts({
    required double latitude,
    required double longitude,
    required double radiusMeters,
    String? apiKey,
  }) async {
    // Safety check: Never return mock alerts in release mode
    if (!kDebugMode) return [];

    final now = DateTime.now();

    return [
      RoadAlert(
        id: 'mock_police_1',
        providerId: id,
        category: RoadAlertCategory.police,
        latitude: latitude + 0.0035, // ~380 meters ahead
        longitude: longitude + 0.0012,
        heading: 45.0,
        roadName: 'Highway 101 North / Mile Marker 14',
        description: 'Police reported visible on shoulder (Debug Mock)',
        reportedAt: now.subtract(const Duration(minutes: 4)),
        expiresAt: now.add(const Duration(minutes: 26)),
        lastUpdated: now,
        confidence: 0.88,
        severity: RoadAlertSeverity.high,
        source: 'Community Report (Debug Mock)',
        sourceType: RoadAlertSourceType.userReported,
      ),
      RoadAlert(
        id: 'mock_speedcam_1',
        providerId: id,
        category: RoadAlertCategory.speedCamera,
        latitude: latitude + 0.0055, // ~600 meters ahead
        longitude: longitude - 0.0020,
        heading: 90.0,
        roadName: 'Grand Avenue & 5th St',
        description: 'Speed enforcement camera active (Debug Mock)',
        reportedAt: now.subtract(const Duration(minutes: 15)),
        expiresAt: now.add(const Duration(hours: 1)),
        lastUpdated: now,
        confidence: 0.95,
        severity: RoadAlertSeverity.high,
        source: 'Camera Database (Debug Mock)',
        sourceType: RoadAlertSourceType.providerReported,
      ),
      RoadAlert(
        id: 'mock_accident_1',
        providerId: id,
        category: RoadAlertCategory.accident,
        latitude: latitude - 0.0040,
        longitude: longitude - 0.0030,
        heading: 180.0,
        roadName: 'Bay Bridge Connector',
        description: 'Two-car collision right lane (Debug Mock)',
        reportedAt: now.subtract(const Duration(minutes: 8)),
        expiresAt: now.add(const Duration(minutes: 40)),
        lastUpdated: now,
        confidence: 0.92,
        severity: RoadAlertSeverity.critical,
        source: 'Community Report (Debug Mock)',
        sourceType: RoadAlertSourceType.userReported,
      ),
    ];
  }
}