import 'package:cloud_firestore/cloud_firestore.dart';

class FireDetectionModel {
  final String id;
  final String userId;
  final DateTime timestamp;
  final String location;
  final double confidence;
  final String imageUrl;
  final String status;
  final String severity;
  final String description;
  final bool resolved;
  final DateTime createdAt;

  FireDetectionModel({
    required this.id,
    required this.userId,
    required this.timestamp,
    required this.location,
    required this.confidence,
    required this.imageUrl,
    required this.status,
    required this.severity,
    required this.description,
    required this.resolved,
    required this.createdAt,
  });

  factory FireDetectionModel.fromFirestore(DocumentSnapshot doc) {
    Map<String, dynamic> data = doc.data() as Map<String, dynamic>;
    return FireDetectionModel(
      id: doc.id,
      userId: data['userId'] ?? '',
      timestamp: data['timestamp']?.toDate() ?? DateTime.now(),
      location: data['location'] ?? '',
      confidence: (data['confidence'] ?? 0.0).toDouble(),
      imageUrl: data['imageUrl'] ?? '',
      status: data['status'] ?? 'detected',
      severity: data['severity'] ?? 'medium',
      description: data['description'] ?? '',
      resolved: data['resolved'] ?? false,
      createdAt: data['createdAt']?.toDate() ?? DateTime.now(),
    );
  }

  Map<String, dynamic> toFirestore() {
    return {
      'userId': userId,
      'timestamp': Timestamp.fromDate(timestamp),
      'location': location,
      'confidence': confidence,
      'imageUrl': imageUrl,
      'status': status,
      'severity': severity,
      'description': description,
      'resolved': resolved,
      'createdAt': Timestamp.fromDate(createdAt),
    };
  }

  FireDetectionModel copyWith({
    String? id,
    String? userId,
    DateTime? timestamp,
    String? location,
    double? confidence,
    String? imageUrl,
    String? status,
    String? severity,
    String? description,
    bool? resolved,
    DateTime? createdAt,
  }) {
    return FireDetectionModel(
      id: id ?? this.id,
      userId: userId ?? this.userId,
      timestamp: timestamp ?? this.timestamp,
      location: location ?? this.location,
      confidence: confidence ?? this.confidence,
      imageUrl: imageUrl ?? this.imageUrl,
      status: status ?? this.status,
      severity: severity ?? this.severity,
      description: description ?? this.description,
      resolved: resolved ?? this.resolved,
      createdAt: createdAt ?? this.createdAt,
    );
  }

  String get severityText {
    switch (severity) {
      case 'low':
        return 'Rendah';
      case 'medium':
        return 'Sedang';
      case 'high':
        return 'Tinggi';
      case 'critical':
        return 'Kritis';
      default:
        return 'Tidak diketahui';
    }
  }

  String get statusText {
    switch (status) {
      case 'detected':
        return 'Terdeteksi';
      case 'confirmed':
        return 'Dikonfirmasi';
      case 'false_alarm':
        return 'Alarm Palsu';
      case 'resolved':
        return 'Diselesaikan';
      default:
        return 'Tidak diketahui';
    }
  }
}