import '../models/automation_rule.dart';
import '../models/device.dart';
import '../models/device_type.dart';
import '../models/zone.dart';
import 'api_client.dart';

/// Typed wrappers for every `/api/v1` endpoint besides auth (see
/// [AuthService] for login/logout/me). One method per backend action —
/// no generic "request" escape hatch, so call sites stay self-documenting.
class ApiService {
  ApiService(this._client);

  final ApiClient _client;

  // --- Zones ---

  Future<List<Zone>> zones() async {
    final json = await _client.get('/zones');
    return _list(json).map(Zone.fromJson).toList();
  }

  Future<Zone> createZone({required String name, String? description}) async {
    final json = await _client.post('/zones', {
      'name': name,
      if (description != null && description.isNotEmpty) 'description': description,
    });
    return Zone.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<Zone> updateZone(int id, {required String name, String? description}) async {
    final json = await _client.put('/zones/$id', {
      'name': name,
      if (description != null && description.isNotEmpty) 'description': description,
    });
    return Zone.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<void> deleteZone(int id) => _client.delete('/zones/$id');

  // --- Device types ---

  Future<List<DeviceType>> deviceTypes() async {
    final json = await _client.get('/device-types');
    return _list(json).map(DeviceType.fromJson).toList();
  }

  // --- Devices ---

  Future<List<Device>> devices() async {
    final json = await _client.get('/devices');
    return _list(json).map(Device.fromJson).toList();
  }

  Future<DeviceDetail> device(int id) async {
    final json = await _client.get('/devices/$id');
    return DeviceDetail.fromJson(json as Map<String, dynamic>);
  }

  Future<Device> createDevice({
    required int zoneId,
    required int deviceTypeId,
    required String name,
    required String externalId,
    String protocol = 'mqtt',
  }) async {
    final json = await _client.post('/devices', {
      'zone_id': zoneId,
      'device_type_id': deviceTypeId,
      'name': name,
      'external_id': externalId,
      'protocol': protocol,
    });
    return Device.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<Device> updateDevice(
    int id, {
    required int zoneId,
    required int deviceTypeId,
    required String name,
    required String externalId,
    String protocol = 'mqtt',
  }) async {
    final json = await _client.put('/devices/$id', {
      'zone_id': zoneId,
      'device_type_id': deviceTypeId,
      'name': name,
      'external_id': externalId,
      'protocol': protocol,
    });
    return Device.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<void> deleteDevice(int id) => _client.delete('/devices/$id');

  Future<String> turnOn(int deviceId) => _commandMessage(_client.post('/devices/$deviceId/turn-on'));

  Future<String> turnOff(int deviceId) => _commandMessage(_client.post('/devices/$deviceId/turn-off'));

  Future<String> setLevel(int deviceId, double level) =>
      _commandMessage(_client.post('/devices/$deviceId/set-level', {'level': level}));

  Future<String> _commandMessage(Future<dynamic> request) async {
    final json = await request;
    return (json as Map<String, dynamic>)['message'] as String? ?? 'Готово.';
  }

  // --- Automation rules ---

  Future<List<AutomationRule>> automationRules() async {
    final json = await _client.get('/automation-rules');
    return _list(json).map(AutomationRule.fromJson).toList();
  }

  Future<AutomationRule> createAutomationRule(Map<String, dynamic> payload) async {
    final json = await _client.post('/automation-rules', payload);
    return AutomationRule.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<AutomationRule> updateAutomationRule(int id, Map<String, dynamic> payload) async {
    final json = await _client.put('/automation-rules/$id', payload);
    return AutomationRule.fromJson(json['data'] as Map<String, dynamic>);
  }

  Future<void> deleteAutomationRule(int id) => _client.delete('/automation-rules/$id');

  List<Map<String, dynamic>> _list(dynamic json) =>
      List<Map<String, dynamic>>.from((json as Map<String, dynamic>)['data'] as List);
}