// pages/info/activityInfo/index.js
import commonApi from "../../../utils/https/common"
let app = getApp()
import util from '../../../utils/util'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    id: null,
    info: null,
    retailId: "",
    shareImg: null,
    showShareFlag: false
  },

  // 分享
  share: function () {
    if (!wx.getStorageSync("jstrip_token")) {
      commonApi.user_post("user/getMyInfo", {}).then(res => {

      })
      return;
    }
    if (!this.data.shareImg) {
      wx.showToast({
        title: '图片生成中，稍后再试',
        icon: 'none'
      })
      return;
    }
    this.setData({
      showShareFlag: !this.data.showShareFlag
    })
  },
  gotolocation: function () {
    let info = this.data.info;
    if (this.data.info.lat&&this.data.info.lon) {
      wx.openLocation({
        latitude: Number(info.lat),
        longitude: Number(info.lon)
      })
    }
  },
  pagePoint(e,type) {
    util.pagePoint(e,type)
  },
  // 保存
  save() {
    let url = this.data.shareImg, that = this;
    wx.authorize({
      /* 这个就是保存相册的 */
      scope: 'scope.writePhotosAlbum',
      success() {
        wx.saveImageToPhotosAlbum({
          filePath: url,
          success(res) {
            wx.showToast({
              title: '保存成功',
              icon: "success"
            })
            that.setData({
              showShareFlag: !this.data.showShareFlag
            })
          },
          fail(res) {
            wx.showToast({
              title: '保存失败',
              icon: 'none'
            })
          }
        })
      },
      complete(res) {
        console.log(res);
        /* 这里判断一下如果没有授权重新打开设置选项 */
        wx.getSetting({
          success(res) {
            if (!res.authSetting['scope.writePhotosAlbum']) {
              /* 打开设置的方法 */
              // opensit();
              wx.showToast({
                title: '请打开权限后再试',
                icon: 'none'
              })
            }
          }
        });
      }
    });

  },
  // 绘制海报
  drawImg: function () {
    var that = this, userinfo = wx.getStorageSync('jstrip_userInfo');
    if (!userinfo) {
      // 去登录
      return false;
    }
    const ctx = wx.createCanvasContext('imageCanvas');
    // const device = wx.getSystemInfoSync();
    // const ratio = device.screenWidth / 750;

    // 先获取到图片信息
    let promise2 = new Promise(function (resolve, reject) {
      wx.getImageInfo({
        src: that.data.info.post_url,
        success: function (res) {
          resolve(res);
        },
        fail: function (res) {
          reject(res);
        }
      })
    })
    let promise3 = new Promise(function (resolve, reject) {
      let userid = wx.getStorageSync('jstrip_userid')
      new QRCode('myQrcode', {
        text: 'https://m.cloud.sz-trip.com/AppointmentDetail?id=' + that.data.info.id + '&userId=' + userid + '&channel=-1',
        width: 500,
        height: 500,
        padding: 12, // 生成二维码四周自动留边宽度，不传入默认为0
        correctLevel: QRCode.CorrectLevel.H, // 二维码可辨识度
        callback: (res) => {
          resolve(res);
        }
      })
    })
    //成功得到图片信息后，开始绘图
    Promise.all([promise2, promise3]).then(imgs => {
      ctx.save();
      ctx.beginPath(); //开始绘制
      that.handleBorderRect(ctx, 0, 0, 551 * ratio, 407 * ratio, 25 * ratio, '#ccc')
      ctx.clip();//画好了圆 剪切  原始画布中剪切任意形状和尺寸。一旦剪切了某个区域，则所有之后的绘图都会被限制在被剪切的区域内 这也是我们要save上下文的原因
      ctx.drawImage(imgs[0].path, 0, 0, 551 * ratio, 407 * ratio);
      ctx.restore();
      ctx.save();
      that.handleBorderRect2(ctx, 0, 407 * ratio, 551 * ratio, 236 * ratio, 25 * ratio, '#fff')
      ctx.restore();
      // 绘制二维码
      ctx.drawImage(imgs[1].path, 373 * ratio, 495 * ratio, 137 * ratio, 137 * ratio);
      // 开始文字绘制
      ctx.setFillStyle("#000");
      ctx.setFontSize(30 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      that.drawText(ctx, that.data.info.title, 25 * ratio, 450 * ratio, 480 * ratio, ratio);
      // 售价
      ctx.setFillStyle("#D62828");
      ctx.setFontSize(40 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let price = "￥" + (that.data.info.price / 100);
      let width = ctx.measureText(price).width;
      ctx.fillText(price, 25 * ratio, 620 * ratio);
      // 副标题
      ctx.setFillStyle("#999999");
      ctx.setFontSize(28 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let subtitle = that.data.info.subtitle;
      if (that.data.info.subtitle.length > 10) {
        subtitle = that.data.info.subtitle.substr(0, 10) + '...'
      }
      ctx.fillText(subtitle, 25 * ratio, 540 * ratio);
      // ctx.draw();
      // 划线价
      ctx.setFillStyle("#999999");
      ctx.setFontSize(32 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let market_price = "￥" + (that.data.info.market_price / 100)
      ctx.fillText(market_price, 40 * ratio + width, 620 * ratio);
      let market_price_width = ctx.measureText(market_price).width;
      // 划线
      ctx.beginPath()
      ctx.setLineWidth(1)
      ctx.moveTo(40 * ratio + width, 608 * ratio)
      ctx.lineTo(45 * ratio + width + market_price_width, 608 * ratio)
      ctx.stroke();
      // 长按识别二维码
      // ctx.setFillStyle("#666");
      // ctx.setFontSize(22 * ratio); //字大小
      // ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      // ctx.fillText("长按识别二维码", 404*ratio, 710*ratio);
      // 长按图片转发或保存
      // ctx.setFillStyle("#000");
      // ctx.setFontSize(24 * ratio); //字大小
      // ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      // ctx.fillText("长按图片保存到本地",(592*ratio - ctx.measureText("长按图片保存到本地").width)/2, 740*ratio);
      ctx.draw();
      // 转为图片
      setTimeout(() => {
        wx.canvasToTempFilePath({
          x: 0,
          y: 0,
          canvasId: 'imageCanvas',
          success: function (res) {
            that.setData({
              shareImg: res.tempFilePath
            })
          },
          fail(err) {
            console.log('agdgjgdajhg', err)
          }
        })
      }, 500)
      return false;
    }).catch(err => {
      console.log("this err", err)
    })
  },
  // 圆角矩形
  handleBorderRect(ctx, x, y, w, h, r, color) {
    ctx.beginPath();
    ctx.moveTo(x + w, y + h);
    ctx.lineTo(x, y + h)
    // 左上角
    ctx.arc(x + r, y + r, r, Math.PI, 1.5 * Math.PI);
    ctx.moveTo(x + r, y);
    ctx.lineTo(x + w - r, y);
    ctx.lineTo(x + w, y + r);
    // 右上角
    ctx.arc(x + w - r, y + r, r, 1.5 * Math.PI, 2 * Math.PI);
    ctx.lineTo(x + w, y + h);
    ctx.lineTo(x + w - r, y + h);
    ctx.fillStyle = color;
    ctx.fill();
    ctx.closePath();
  },
  handleBorderRect2(ctx, x, y, w, h, r, color) {
    ctx.beginPath();
    ctx.moveTo(x, y);
    ctx.lineTo(x + w, y)
    // 右下角
    ctx.arc(x + w - r, y + h - r, r, 0, 0.5 * Math.PI);
    ctx.lineTo(x + r, y + h);
    ctx.lineTo(x, y + h - r);
    // 左下角
    ctx.arc(x + r, y + h - r, r, 0.5 * Math.PI, Math.PI);
    ctx.lineTo(x, y);
    ctx.lineTo(x, y);
    ctx.fillStyle = color;
    ctx.fill();
    ctx.closePath();
  },
  // 绘制两行文字
  drawText: function (ctx, str, x, y, canvasWidth, ratio) {
    let row = [], temp = "", chr = str.split("");
    for (var a = 0; a < chr.length; a++) {
      if (ctx.measureText(temp).width < canvasWidth) {
        temp += chr[a];
      }
      else {
        a--; //这里添加了a-- 是为了防止字符丢失，效果图中有对比
        row.push(temp);
        temp = "";
      }
    }
    row.push(temp);

    //如果数组长度大于2 则截取前两个
    if (row.length > 2) {
      var rowCut = row.slice(0, 2);
      var rowPart = rowCut[1];
      var test = "";
      var empty = [];
      for (var a = 0; a < rowPart.length; a++) {
        if (ctx.measureText(test).width < canvasWidth - 30 * ratio) {
          test += rowPart[a];
        }
        else {
          break;
        }
      }
      empty.push(test);
      var group = empty[0] + "..."//这里只显示两行，超出的用...表示
      rowCut.splice(1, 1, group);
      row = rowCut;
    }
    for (var b = 0; b < row.length; b++) {
      ctx.fillText(row[b], x, y + b * 40 * ratio, canvasWidth);
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    let id = options.id;
    this.setData({
      id: id
    })
    if (options.retailId) {
      this.setData({
        retailId: options.retailId
      })
    }
    commonApi._post("pbservice/Actcalendar/getActDetail", {
      id: id
    }).then(res => {
      this.setData({
        info: res.data
      })
      this.BroswerRecord()
    })
  },
  BroswerRecord: function () {
    setTimeout(() => {
      if (app.globalData.uuid) {
        commonApi._post('browse/browse_record', {
          type: "page",
          title: this.data.info.name,
          drive: "mini",
          source_id: this.data.info.id,
          url: "/pages/info/activityInfo/index?id=" + this.data.info.id,
          uuid: app.globalData.uuid
        }).then(res => {
        })
      }
      else {
        this.BroswerRecord();
      }
    }, 500)
  },
  order: function () {
    let skuid = this.data.info.sku_id;
    if (!skuid) return;
    commonApi._post("product/get_sku_detail_by_id", {
      sku_id: skuid
    }).then(res => {
      if (!res.data) {
        wx.showToast({
          title: '本活动不支持预约',
          icon: 'none'
        })
        return;
      }
      app.globalData.couponInfo = null;
      app.globalData.product = {
        sku: res.data,
        product: res.data.product
      }
      app.globalData.retailId = this.data.retailId;

      this.getDefaultTime()

      
    })
  },


  // 获取默认时间
  getDefaultTime () {
    let today = util.formatDate(new Date()), end_date = util.formatDate(new Date(new Date().getTime() + 60 * 24 * 60 * 60 * 1000));
    commonApi.user_post("product/product_date_price", {
        start_date: today,
        end_date: end_date,
        sku_id: this.data.info.sku_id
      }).then(res => {
          for (let i = 0; i < res.data.length; i++) {
            if (res.data[i].stock > 0) {
              this.getTimeStock(res.data[i])
              break;
            }
          }
      })
  },

  getTimeStock: function (dateObj) {
    commonApi.user_post("product/product_timestock_price", {
      date: dateObj.date,
      sku_id: this.data.info.sku_id
    }).then(res => {
      for (let i = 0; i < res.data.length; i++) {
        if (res.data[i].stock_number > 0) {
            app.globalData.product.date = dateObj
            app.globalData.product.time = res.data[i]
            // app.globalData.product.changeFlag = true
          break
        }
      }
    }).finally(()=>{
        wx.navigateTo({
            url: '/pages/order/scene/index?type=museum',
          })
    })
  },

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

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    // if (!wx.getStorageSync('jstrip_token')) {
    //   return;
    // }
    // if (this.data.info && this.data.info.id) {
    //   this.drawImg()
    // }
    // else {
    //   setTimeout(() => {
    //     this.onShow()
    //   }, 200)
    // }
  },

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

  },

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

  },

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

  },

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

  },

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

  }
})