/**
 * MyCoursesPage - 我的课程页 Page Object
 * 对应页面: pages/my-courses/my-courses
 */
class MyCoursesPage {
  constructor(miniProgram) {
    this.mp = miniProgram;
  }

  /**
   * 等待我的课程页加载完成
   */
  async waitForLoad() {
    const { waitForPage } = require('../helpers/automator');
    return waitForPage(this.mp, 'pages/my-courses/my-courses');
  }

  /**
   * 获取预约列表
   * @returns {Promise<Array>} 预约课程列表
   */
  async getBookingList() {
    const page = await this.mp.currentPage();
    try {
      const bookingCards = await page.$$('.booking-card');
      return bookingCards || [];
    } catch (e) {
      console.warn('[MyCoursesPage] 获取预约列表异常:', e.message);
      return [];
    }
  }

  /**
   * 获取预约数量
   * @returns {Promise<number>}
   */
  async getBookingCount() {
    const list = await this.getBookingList();
    return list.length;
  }

  /**
   * 取消指定索引的预约
   * @param {number} index - 预约索引(从0开始)
   * @returns {Promise<boolean>}
   */
  async cancelBooking(index = 0) {
    const page = await this.mp.currentPage();
    console.log(`[MyCoursesPage] 取消第 ${index} 个预约`);

    try {
      const bookingCards = await page.$$('.booking-card');
      if (!bookingCards || !bookingCards[index]) {
        console.warn('[MyCoursesPage] 未找到预约卡片');
        return false;
      }

      // 点击取消按钮
      const cancelBtn = await bookingCards[index].$('.cancel-btn');
      if (cancelBtn) {
        await cancelBtn.tap();
        await this.mp.waitFor(500);
        return true;
      }
    } catch (e) {
      console.warn('[MyCoursesPage] 取消预约异常:', e.message);
    }

    return false;
  }

  /**
   * 签到
   * @param {string|number} courseId - 课程ID
   * @returns {Promise<boolean>}
   */
  async signIn(courseId) {
    const page = await this.mp.currentPage();
    console.log(`[MyCoursesPage] 签到课程: ${courseId}`);

    try {
      const signInBtn = await page.$('.sign-in-btn');
      if (signInBtn) {
        await signInBtn.tap();
        await this.mp.waitFor(1500);
        return true;
      }
    } catch (e) {
      console.warn('[MyCoursesPage] 签到操作异常:', e.message);
    }

    return false;
  }

  /**
   * 下拉刷新列表
   */
  async pullDownRefresh() {
    const page = await this.mp.currentPage();
    try {
      await this.mp.callWxMethod('startPullDownRefresh', {});
      await this.mp.waitFor(2000);
    } catch (e) {
      console.warn('[MyCoursesPage] 下拉刷新异常:', e.message);
    }
  }

  /**
   * 通过 TabBar 切换到个人中心
   */
  async navigateToProfile() {
    const { switchTab } = require('../helpers/automator');
    await switchTab(this.mp, 3);
  }
}

module.exports = MyCoursesPage;