// pages/info/museumInfo/index.js
import commonApi from "../../../utils/https/common"
let app = getApp()
let device = wx.getSystemInfoSync();
const ratio = device.windowWidth / 750;
let rect = wx.getMenuButtonBoundingClientRect();
let height = (rect.top - device.statusBarHeight) * 2 + rect.height + device.statusBarHeight;
Page({

  /**
   * 页面的初始数据
   */
  data: {
    top: height,
    info: null,
    type: 1,
    actList: [],
    actTotal: 1,
    id: null,
    fixed: false,
    isLogin: false,
    product: null,
    time: null,
    date: null,
    retailId: "",
    isGroup: null,
    shareImg: null,
    showShareFlag: false
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      id: options.id
    })
    if (options.isGroup) {
      this.setData({
        isGroup: options.isGroup
      })
    }
    if (options.retailId) {
      this.setData({
        retailId: options.retailId
      })
    }
    commonApi._post("scene/detail_for_venue", {
      id: options.id
    }).then(res => {
      // res.data.listimg = res.data.listimg?res.data.listimg.split(","):[];
      if (res.data.product_venue && res.data.product_venue.sku && res.data.product_venue.sku[0]) {
        let sku = res.data.product_venue.sku[0];
        if (options.skuid) {
          sku = res.data.product_venue.sku.find(item => item.id == options.skuid);
        }
        let product = {
          product: res.data.product_venue,
          sku: sku
        };
        app.globalData.product = product;
        this.setData({
          info: res.data,
          product: product
        })
      }
      else {
        this.setData({
          info: res.data
        })
      }

      this.BroswerRecord();
    })
    this.getAct()
  },
  getAct: function () {
    if (this.data.actList.length >= this.data.actTotal || this.data.isGroup == 1) return;
    commonApi._post('scene/get_scene_act_list', {
      scene_id: this.data.id,
      page_no: 1,
      page_num: 100
    }).then(res => {
      let now = new Date().getTime();
      res.data.rows.map(item => {
        let endTime = this.getMyTime(item.end_date + " 23:59:59");
        if (endTime < now) {
          item.isEnd = true;
        }
        else {
          item.isEnd = false;
        }
      })
      this.setData({
        actList: this.data.actList.concat(res.data.rows),
        actTotal: res.data.total
      })
      console.log(res)
    })
  },
  getMyTime(t) {
    let time = new Date(t.replace(/-/g, '/')).getTime();
    return time;
  },
  changeType: function (e) {
    this.setData({
      type: e.currentTarget.dataset.type
    })
  },
  BroswerRecord: function () {
    setTimeout(() => {
      if (app.globalData.uuid) {
        commonApi._post('browse/browse_record', {
          type: "scene",
          title: this.data.info.title,
          drive: "mini",
          source_id: this.data.info.id,
          url: "/pages/info/museumInfo/index?id=" + this.data.info.id,
          uuid: app.globalData.uuid
        }).then(res => {
        })
      }
      else {
        this.BroswerRecord();
      }
    }, 500)
  },


  // 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
    })
  },
  // 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.headimg,
        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/ScenicDetail?id=' + that.data.info.id + '&sharedUserId=' + 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 ? ("￥" + (that.data.info.price / 100)) : '免费';
      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.display_tags[0];
      if (subtitle.length > 10) {
        subtitle = 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 = "￥" + (Number(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--监听页面初次渲染完成
   */
  onReady: function () {

  },
  // 修改日期
  changeDate: function (e) {
    this.setData({
      date: e.detail
    })
  },
  // 修改分时
  changeTime: function (e) {
    this.setData({
      time: e.detail
    })
  },
  order: function () {
    if (!this.data.info.product_venue) return;
    if (!this.data.info.product_venue.sku[0]) return;
    app.globalData.couponInfo = null;
    app.globalData.retailId = this.data.retailId;
    // 如果在当前的详情页面选择了日期时间的话 那么需要修改日期时间
    app.globalData.product = {
      product: this.data.info.product_venue,
      sku: this.data.info.product_venue.sku[0],
      infoDate: this.data.date,
      infoTime: this.data.time,
      isGroup: this.data.isGroup
    }
    wx.navigateTo({
      url: '/pages/order/scene/index?type=museum'
    })
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    if (!this.data.isLogin) {
      commonApi.user_post("token/check").then(res => {
        if (res.code == 1) {
          this.setData({
            isLogin: true
          })
        }
      })
    }

    // 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 () {
    app.globalData.product = null;
  },

  /**
   * 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 () {
    this.getAct()
  },

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

  },
  onPageScroll: function (e) {
    if (this.data.isGroup) return;
    let topHeight = this.data.top + (102 * ratio), that = this;
    wx.createSelectorQuery().select('#content').boundingClientRect(function (rect) {
      if (rect.top <= topHeight) {
        // 此时应该把menus固定在顶部
        that.setData({
          fixed: true
        })
      }
      else {
        that.setData({
          fixed: false
        })
      }
    }).exec()
  }
})