cozsweet-frontend-nextjs/src/data/models/auth/login_response.ts

/**
 * 登录响应
 * 原始 Dart: LoginResponse (lib/data/models/auth/auth_response.dart)
 */
import { User } from "../user/user";

export class LoginResponse {
  readonly user: User;
  readonly token: string;
  readonly refreshToken: string;

  constructor(params: { user: User; token: string; refreshToken?: string }) {
    this.user = params.user;
    this.token = params.token;
    this.refreshToken = params.refreshToken ?? "";
    Object.freeze(this);
  }

  toJson(): Record<string, unknown> {
    return {
      user: this.user.toJson(),
      token: this.token,
      refreshToken: this.refreshToken,
    };
  }

  static fromJson(json: Record<string, unknown>): LoginResponse {
    const token = json.token;
    if (typeof token !== "string") {
      throw new Error("LoginResponse.token is required and must be a string");
    }
    const userJson = json.user;
    if (typeof userJson !== "object" || userJson === null) {
      throw new Error("LoginResponse.user is required and must be an object");
    }
    return new LoginResponse({
      user: User.fromJson(userJson as Record<string, unknown>),
      token,
      refreshToken:
        typeof json.refreshToken === "string" ? json.refreshToken : undefined,
    });
  }
}