// pages/beerList/beerList.js
const request = require("../../utils/request.js");
const login = require("../../utils/login.js");

Page({

  /**
   * 页面的初始数据
   */
  data: {
    breweryId: null,
    productDataList: []
  },
  toBeerDetail(event) {
    login.ifLogin('../beerDetail/beerDetail?productId=' + event.currentTarget.dataset.pid)
  },
  getProductList() {
    let that = this;
    let breweryId = Number(that.data.breweryId);
    request.getData(
      'app/product/list',
      {breweryId: breweryId},
      res => {
        that.setData({
          productDataList: res.data.data
        })
      },
      res => {
        console.log(res)
      }
    )
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    let title = options.name;
    this.setData({
      breweryId: options.breweryId
    })
    wx.setNavigationBarTitle({
      title: title,
    })
    this.getProductList()
  },

  /**
   * 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() {
    let that = this;
    let breweryId = Number(that.data.breweryId);
    let lastProductId = Number(that.data.productDataList[that.data.productDataList.length-1].productId);
    request.getData(
      'app/product/list',
      {breweryId: breweryId, lastProductId: lastProductId},
      res => {
        that.setData({
          productDataList: that.data.productDataList.concat(res.data.data)
        })
      },
      res => {
        console.log(res)
      }
    )
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})