export interface TestEnvironment {
  name: string;
  baseURL: string;
  apiBaseURL: string;
  uniappBaseURL: string;
  mockEnabled: boolean;
  timeout: number;
  credentials: {
    username: string;
    password: string;
  };
}

export class TestConfig {
  private static instance: TestConfig;
  private currentEnv: TestEnvironment;

  private constructor() {
    this.currentEnv = this.loadEnvironment();
  }

  static getInstance(): TestConfig {
    if (!TestConfig.instance) {
      TestConfig.instance = new TestConfig();
    }
    return TestConfig.instance;
  }

  getEnvironment(): TestEnvironment {
    return this.currentEnv;
  }

  getBaseURL(): string {
    return this.currentEnv.baseURL;
  }

  setEnvironment(envName: string): void {
    this.currentEnv = this.loadEnvironment(envName);
  }

  private loadEnvironment(envName?: string): TestEnvironment {
    const name = envName || process.env.TEST_ENV || 'local';
    
    return {
      name,
      baseURL: process.env.ADMIN_BASE_URL || 'http://localhost:5174',
      apiBaseURL: process.env.API_BASE_URL || 'http://127.0.0.1:8080',
      uniappBaseURL: process.env.UNIAPP_BASE_URL || 'http://localhost:8081',
      mockEnabled: process.env.MOCK_ENABLED === 'true',
      timeout: parseInt(process.env.TEST_TIMEOUT || '30000'),
      credentials: {
        username: process.env.TEST_USERNAME || 'admin',
        password: process.env.TEST_PASSWORD || 'admin123'
      }
    };
  }
}

export const testConfig = TestConfig.getInstance();