class SensorModel {
  final double temperature;
  final double humidity;
  final double co2;
  final double pm25;

  final String temperatureStatus;
  final String humidityStatus;
  final String co2Status;
  final String pm25Status;

  final String overallStatus;

  final bool acPower;
  final String acMode;
  final int acTemp;
  final String acFan;

  final String timestamp;

  SensorModel({
    required this.temperature,
    required this.humidity,
    required this.co2,
    required this.pm25,
    required this.temperatureStatus,
    required this.humidityStatus,
    required this.co2Status,
    required this.pm25Status,
    required this.overallStatus,
    required this.acPower,
    required this.acMode,
    required this.acTemp,
    required this.acFan,
    required this.timestamp,
  });

  factory SensorModel.fromMap(Map<dynamic, dynamic> json) {
    return SensorModel(
      // Support both ESP32 field names (suhu, kelembapan) and Flutter field names
      temperature: ((json['temperature'] ?? json['suhu']) ?? 0).toDouble(),

      humidity: ((json['humidity'] ?? json['kelembapan']) ?? 0).toDouble(),

      co2: ((json['co2'] ?? json['co2_ppm']) ?? 0).toDouble(),

      pm25: ((json['pm25'] ?? json['pm25_ugm3']) ?? 0).toDouble(),

      temperatureStatus:
          (json['temperature_status'] ?? json['suhu_status'] ?? ''),

      humidityStatus:
          (json['humidity_status'] ?? json['kelembapan_status'] ?? ''),

      co2Status: (json['co2_status'] ?? json['co2_status'] ?? ''),

      pm25Status: (json['pm25_status'] ?? json['pm25_status'] ?? ''),

      overallStatus:
          (json['overall_status'] ?? json['status_keseluruhan'] ?? ''),

      acPower: json['ac_power'] ?? false,

      acMode: json['ac_mode'] ?? 'OFF',

      acTemp: json['ac_temp'] ?? 24,

      acFan: json['ac_fan'] ?? 'AUTO',

      timestamp: _parseTimestamp(json['timestamp'] ?? json['last_update']),
    );
  }

  Map<String, dynamic> toMap() {
    return {
      'temperature': temperature,
      'humidity': humidity,
      'co2': co2,
      'pm25': pm25,

      'temperature_status': temperatureStatus,

      'humidity_status': humidityStatus,

      'co2_status': co2Status,

      'pm25_status': pm25Status,

      'overall_status': overallStatus,

      'ac_power': acPower,
      'ac_mode': acMode,
      'ac_temp': acTemp,
      'ac_fan': acFan,

      'timestamp': timestamp,
    };
  }
}

String _parseTimestamp(dynamic value) {
  if (value == null) return '';
  if (value is int) {
    // ESP32 mengirim unix timestamp dalam detik, konversi ke milliseconds
    // Jika value > 10000000000 berarti sudah dalam milliseconds
    final timestampMs = value > 10000000000 ? value : value * 1000;
    final dt = DateTime.fromMillisecondsSinceEpoch(timestampMs);
    return "${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')} "
        "${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}:${dt.second.toString().padLeft(2, '0')}";
  }
  return value.toString();
}