import 'package:json_annotation/json_annotation.dart';
import 'package:networks_sdk/networks_sdk.dart';

import '../../../core/foundation/api_paths.dart';
import '../../../domain/entities/user.dart';

part 'login_request.g.dart';

/// # /auth/login — 登录接口
///
/// 一个端点 = 一个文件，Response DTO + Request 放在同一文件中。
///
/// ## 数据流位置
///
/// ```
/// AuthRepositoryImpl.login(email, password)
///   → _client.executeRequest( ★ LoginRequest ★ )     ← 你在这里
///     → 服务端 POST /auth/login
///     → 响应 JSON → ★ LoginData ★                    ← 也在这里
///       → LoginData.toEntity() → User
/// ```

// ─────────────────────────────────────────────
//  Response DTO
// ─────────────────────────────────────────────

/// 登录响应 DTO
///
/// 服务端返回的登录数据，包含 token 和用户信息。
/// 通过 [toEntity] 转换为 Domain Entity [User]。
@JsonSerializable()
class LoginData {
  final String token;
  @JsonKey(name: 'user_id')
  final String userId;
  final String email;
  final String? nickname;
  final String? avatar;

  const LoginData({
    required this.token,
    required this.userId,
    required this.email,
    this.nickname,
    this.avatar,
  });

  factory LoginData.fromJson(Map<String, dynamic> json) =>
      _$LoginDataFromJson(json);

  Map<String, dynamic> toJson() => _$LoginDataToJson(this);

  /// DTO → Domain Entity
  User toEntity() {
    return User(
      id: userId,
      email: email,
      nickname: nickname,
      avatar: avatar,
    );
  }
}

// ─────────────────────────────────────────────
//  Request
// ─────────────────────────────────────────────

/// 登录请求
///
/// `@ApiRequest` 自动生成 `_$LoginRequestApi` mixin，
/// 提供 path / method / requestType / includeToken / fromJson 自动注册。
@ApiRequest(
  path: ApiPaths.authLogin,
  method: HttpMethod.post,
  responseType: LoginData,
  requestType: ApiRequestType.login,
)
@JsonSerializable()
class LoginRequest extends ApiRequestable<LoginData> with _$LoginRequestApi {
  final String email;
  final String password;

  LoginRequest({required this.email, required this.password});

  factory LoginRequest.fromJson(Map<String, dynamic> json) =>
      _$LoginRequestFromJson(json);

  @override
  Map<String, dynamic> toJson() => _$LoginRequestToJson(this);
}