// pages/bookServices/detail/index.js
import Message from 'tdesign-miniprogram/message/index';
const app = getApp();
Page({
  /**
   * 页面的初始数据
   */
  data: {
    barHeight: '',
    navBarHeight: '',
    options: {
      id: '',
      name: '',
    },
    bookDetail: {},
    link: {
      jd: '',
      tamll: '',
      dang: '',
      micro: '',
    },
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    const systInfo = wx.getSystemInfoSync();
    const menu = wx.getMenuButtonBoundingClientRect(); // 胶囊信息
    const navBarHeight = (menu.top - systInfo.statusBarHeight) * 2 + menu.height; // 导航栏高度
    this.setData({
      barHeight: systInfo.statusBarHeight,
      navBarHeight: navBarHeight,
    });
    this.setData({
      options: {
        id: options.id,
        name: options.name,
      },
    });
    this.getBookInfo(options.id);
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {},

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {},

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {},

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {},

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {},

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {},

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {},
  // 格式化日期
  formatDate(dateString) {
    if (!dateString) {
      return 'Invalid date';
    }
    const match = dateString.match(/^(\d{4})\/(\d{1,2})\/(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/);
    if (!match) {
      throw new Error('Invalid date format');
    }

    const [, year, month, day, hours, minutes, seconds] = match;
    const date = new Date(
      parseInt(year, 10),
      parseInt(month, 10) - 1,
      parseInt(day, 10),
      parseInt(hours, 10),
      parseInt(minutes, 10),
      parseInt(seconds, 10),
    );

    if (isNaN(date.getTime())) {
      throw new Error('Invalid date');
    }

    // 由于小程序环境可能不支持 Intl.DateTimeFormat，我们使用简化的格式化方法
    const formatted = `${year}年${this.formatMonth(month)}`;
    return formatted;
  },
  // 简化的月份格式化函数，返回月份的中文表达
  formatMonth(month) {
    const months = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'];
    return months[parseInt(month, 10) - 1];
  },
  // 金额显示.00格式
  numFormat(value) {
    if (!value) return '0.00';
    value = Number(value).toFixed(2);
    var intPart = Math.trunc(value); // 获取整数部分
    var intPartFormat = intPart.toString().replace(/(\d)(?=(?:\d{3})+$)/g, '$1,'); // 将整数部分逢三一断
    var floatPart = '.00'; // 预定义小数部分
    var value2Array = value.split('.');
    // =2表示数据有小数位
    if (value2Array.length === 2) {
      floatPart = value2Array[1].toString(); // 拿到小数部分
      if (floatPart.length === 1) {
        return `${intPartFormat}.${floatPart}0`;
      }
      return `${intPartFormat}.${floatPart}`;
    }
    return intPartFormat + floatPart;
  },
  // 返回
  goBack() {
    wx.navigateBack();
  },
  // 获取图书详情
  getBookInfo(id) {
    const query = {
      path: '*',
      queryType: '*',
      productId: id,
      favoriteTypes: 'FavoriteBookCity',
      itemFields: {
        'SysType=': 'CmsFolder',
      },
      coverSize: {
        height: 300,
      },
      fields: {
        seriesName: [],
        author: [],
        isbn: [],
        publicationDate: [],
        bookClassification: [],
        paperPrice: [],
        JDLink: [],
        tmallLink: [],
        dangdangLink: [],
        weidianLink: [],
        content: [],
        authorIntroduction: [],
        // isApplyPaperBook: [],
        // isApplyEBook: [],
        isApplyBook: [],
        isSell: [],
        pdf: [],
        protectedEpub: [],
        probationPage: [], //pdf试读页数
        freeEpubPage: [], //epub试读百分比
      },
    };
    app.MG.store.getProductDetail(query).then((res) => {
      this.setData({
        bookDetail: res.datas,
      });
      console.log('详情', res.datas);
      // 获取图书分类
      const iconType = JSON.parse(res.datas.bookClassification)[0][0];
      const classType = JSON.parse(res.datas.bookClassification)[0][1];
      this.setData({
        'bookDetail.publicationDate': this.formatDate(this.data.bookDetail.publicationDate),
        'bookDetail.class': this.getBookClass(iconType, classType),
        'bookDetail.price': this.numFormat(this.data.bookDetail.price),
        'bookDetail.oldPrice': this.numFormat(this.data.bookDetail.oldPrice),
        'bookDetail.paperPrice': this.numFormat(this.data.bookDetail.paperPrice),
      });
    });
  },
  // 获取图书分类
  getBookClass(iconType, classType) {
    let name = '';
    const query = {
      refCodes: ['bookClassification'],
    };
    app.MG.store.getProductTypeField(query).then((res) => {
      JSON.parse(res[0].config).option.forEach((item) => {
        if (item.value == iconType) {
          item.child.forEach((item) => {
            if (item.value == classType) {
              name = item.name;
            }
          });
        }
      });
    });
    return name;
  },
  // 收藏
  setCollect() {
    if (this.data.bookDetail.isFavourite) {
      app.MG.store
        .delProductLink({
          productIds: [this.data.bookDetail.id],
          linkType: 'FavoriteBookCity',
        })
        .then(() => {
          this.data.bookDetail.isFavourite = false;
          Message.success({
            context: this,
            offset: ['20rpx', '32rpx'],
            duration: 2000,
            content: '取消收藏',
          });
        });
    } else {
      const params = {
        productIds: [this.data.bookDetail.id],
        linkType: 'FavoriteBookCity',
      };
      app.MG.store.addProductLink(params).then((res) => {
        console.log(res);
        this.data.bookDetail.isFavourite = true;
        Message.success({
          context: this,
          offset: ['20rpx', '32rpx'],
          duration: 2000,
          content: '收藏成功',
        });
      });
    }
  },
  // 跳转网店
  goShop(e) {
    const { link } = e.currentTarget.dataset;
    wx.navigateTo({
      url: link,
    });
  },
});