import {
  getBindtapData,
  pxToRpx,
  getLocalDistance
} from '../../utils/util';
import Date from '../../utils/date';
import QR from '../../utils/qrcode'

let app = getApp();
Page({
  data: {
    userInfo: {},
    used: false, //优惠券已使用，另外的样式
    wishInfo: {},
    couponInfo: {},
    nearbyStoreVisible: false,
    qrImagePath: "",
    location: {},
  },
  onShareAppMessage() {},
  onLoad(options) {

    let giftData = app.globalData.giftData;
    let wishInfo = giftData.order;
    let couponInfo = wishInfo.coupon;

    // 设置数据
    this.setData({
      wishInfo: wishInfo,
      couponInfo: couponInfo
    })

    this.initData();
  },
  initData() {
    let _this = this;
    app.queryIndex().then((result) => {
      this.setData({
        userInfo: app.globalData.userInfo
      })

      let wishInfo = this.data.wishInfo;
      let couponInfo = wishInfo.coupon;

      // 设置二维码
      let qrSize = this.setCanvasSize(400);
      console.log("couponInfo:", couponInfo);
      let codeContent = couponInfo.couponCode || '';
      this.createQrCode(codeContent, 'qrcanvas', qrSize.w, qrSize.h);

      // 判断是否使用
      // 自提券 使用状态（0=未使用 1=已过期，2=已使用）
      let used = couponInfo.state != 0;

      // 设置起止时间
      couponInfo.startDateStr = new Date(couponInfo.startDate).toString("yyyy.MM.dd");
      couponInfo.endDateStr = new Date(couponInfo.endDate).toString("yyyy.MM.dd");

      // 设置数据
      this.setData({
        couponInfo: couponInfo,
        used: used
      })


      // 设置坐标
      wx.getLocation({
        type: 'gcj02',
        success(res) {
          let targetLocation = {
            latitude: wishInfo.latitude,
            longitude: wishInfo.longitude,
          }
          let distance = getLocalDistance(res, targetLocation).dis;
          wishInfo.distance = distance;
          console.log("distance:", distance);
          _this.setData({
            wishInfo: wishInfo
          })
        }
      })

    })
  },
  /**
   * 请求门店地址
   */
  queryShop() {
    this.selectComponent("#nearbyStoreComp").queryShop().then((result) => {
      this.setData({
        nearbyStoreVisible: true
      })
    })
  },
  // 查看可用门店
  onNearbyStoreHandler(evt) {
    this.wxLocation();
  },
  // 使用微信位置
  wxLocation() {
    let _this = this;
    wx.getLocation({
      type: 'gcj02',
      success(res) {
        _this.setData({
          location: res
        })
        _this.queryShop();
      },
      fail(err) {
        wx.getSetting({
          success: (res) => {
            if (!res.authSetting['scope.userLocation']) {
              // 未授权
              wx.showModal({
                title: '提示',
                content: '小程序请求访问地理位置',
                confirmText: '前往授权',
                success(res) {
                  if (res.confirm) {
                    wx.openSetting({
                      complete() {
                        //设置完后重拉一遍位置，拉不到就算了
                        wx.getLocation({
                          type: 'wgs84', // 默认为 wgs84 返回 gps 坐标，gcj02 返回可用于 wx.openLocation 的坐标
                          success: function (res) {
                            _this.setData({
                              location: res
                            })
                            _this.queryShop();
                          },
                          fail: function () {
                            _this.queryShop();
                          }
                        })
                      }
                    })
                  } else if (res.cancel) {
                    // 模态窗取消
                    _this.queryShop();
                  }
                }
              })
            }
          }
        })
      }
    })
  },

  /**
   * 显示位置
   * @param {*} e
   */
  onShowLocHandler(evt) {
    let item = this.data.wishInfo;
    console.log("item:", item);

    wx.openLocation({
      latitude: item.latitude, // 纬度，范围为-90~90，负数表示南纬
      longitude: item.longitude, // 经度，范围为-180~180，负数表示西经
      scale: 18, // 缩放比例
      name: item.storeName, // 位置名
      address: item.storeAddress, // 地址的详细说明
      success: function (res) {
        // success
      }
    })
  },

  createQrCode(content, canvasId, cavW, cavH) {
    //调用插件中的draw方法，绘制二维码图片
    QR.api.draw(content, canvasId, cavW, cavH);
    this.canvasToTempImage(canvasId);
  },
  //获取临时缓存图片路径，存入data中
  canvasToTempImage(canvasId) {
    let that = this;
    setTimeout(() => {
      wx.canvasToTempFilePath({
        canvasId, // 这里canvasId即之前创建的canvas-id
        success: function (res) {
          let tempFilePath = res.tempFilePath;
          that.setData({ // 如果采用mpvue,即 this.imagePath = tempFilePath
            qrImagePath: tempFilePath,
          });
        },
        fail: function (res) {
          console.log(res);
        }
      });
    }, 50);

  },
  //适配不同屏幕大小的canvas
  setCanvasSize(sz) {
    var size = {};
    try {
      var res = wx.getSystemInfoSync();
      var scale = 750 / sz; //不同屏幕下canvas的适配比例；设计稿是750宽
      var width = res.windowWidth / scale;
      var height = width; //canvas画布为正方形
      size.w = width;
      size.h = height;
    } catch (e) {
      // Do something when catch error
      console.log("获取设备信息失败" + e);
    }
    return size;
  },

  hideMask() {
    this.setData({
      nearbyStoreVisible: false
    })
  },
  // 子组件事件
  evtcomp(evt) {
    let {
      name,
      data
    } = evt.detail;
    switch (name) {

      case "_evt_hide":
        this.hideMask();
        break;

        // 提交完毕
      case "_evt_submit_store_complete":
        // 刷新状态
        this.hideMask();

        app.post({
          url: app.api.wishbillGiftQuery,
          data: {
            instanceCode: this.data.wishInfo.instanceCode
          }
        }).then((result) => {

          // 重新拉取数据
          let giftData = result;
          let wishInfo = giftData.order;
          let couponInfo = wishInfo.coupon;
          this.setData({
            wishInfo: wishInfo,
            couponInfo: couponInfo
          })
          this.initData();

          wx.showModal({
            content: '预约成功',
            showCancel: false,
            success(res) {}
          });
        })
        break;

      default:
        break;
    }
  },
})