import { $post } from './request';
import verConfig from '../ver.config';
import { t } from "@/locale"
import { Toast } from './tool';

const updateConfig = {
  url: '/third/check/version ',  //检查版本的接口
  bgColor: '',  //升级主色，按钮背景颜色
  iconUrl: '' //升级小图标
}
const platform = uni.getSystemInfoSync().platform;
// 主颜色
const $mainColor = updateConfig.bgColor ? updateConfig.bgColor : "FF5B78";
// 弹窗图标url
const $iconUrl = updateConfig.iconUrl ? updateConfig.iconUrl : "/static/login.png";

const $checkUpdateUrl = updateConfig.url ? updateConfig.url : "";


// 获取当前应用的版本号
export const getCurrentNo = (callback) => {
  // 获取本地应用资源版本号
  plus.runtime.getProperty(plus.runtime.appid, (inf) => {
    callback && callback({
      versionCode: inf.versionCode,
      versionName: inf.version
    });
  });
}
// 从服务器下载应用资源包（wgt文件）
const getDownload = (data) => {
  let dtask;
  if (data.updateType == 'forcibly' || data.updateType == 'solicit') {
    let popupData = {
      progress: true,
      buttonNum: 2
    };
    if (data.updateType == 'forcibly') {
      popupData.buttonNum = 0;
    }
    let lastProgressValue = 0;
    let popupObj = downloadPopup(popupData);
    dtask = plus.downloader.createDownload(data.downloadUrl, {
      filename: "_doc/update/"
    }, function (download, status) {
      if (status == 200) {
        popupObj.change({
          progressValue: 100,
          progressTip: t('正在安装文件'),
          progress: true,
          buttonNum: 0
        });
        plus.runtime.install(download.filename, {}, function () {
          popupObj.change({
            contentText: t("应用资源更新完成"),
            buttonNum: 1,
            progress: false
          });
        }, function (e) {
          popupObj.cancel();
          plus.nativeUI.alert(t('安装文件失败') + "[" + e.code + "]：" + e.message);
        });
      } else {
        popupObj.change({
          contentText: t("文件下载失败"),
          buttonNum: 1,
          progress: false
        });
      }
    });
    dtask.start();
    dtask.addEventListener("statechanged", function (task, status) {
      switch (task.state) {
        case 1: // 开始
          popupObj.change({
            progressValue: 0,
            progressTip: t("准备下载"),
            progress: true
          });
          break;
        case 2: // 已连接到服务器  
          popupObj.change({
            progressValue: 0,
            progressTip: t("开始下载"),
            progress: true
          });
          break;
        case 3:
          const progress = parseInt(task.downloadedSize / task.totalSize * 100);
          if (progress - lastProgressValue >= 2) {
            lastProgressValue = progress;
            popupObj.change({
              progressValue: progress,
              progressTip: t("已下载") + progress + "%",
              progress: true
            });
          }
          break;
      }
    });
    // 取消下载
    popupObj.cancelDownload = function () {
      dtask && dtask.abort();
      uni.showToast({
        title: t("已取消下载"),
        icon: "none"
      });
    }
    // 重启APP
    popupObj.reboot = function () {
      plus.runtime.restart();
    }
  } else if (data.updateType == "silent") {
    dtask = plus.downloader.createDownload(data.downloadUrl, {
      filename: "_doc/update/"
    }, function (download, status) {
      if (status == 200) {
        plus.runtime.install(download.filename, {}, function () {
          console.log("应用资源更新完成");
        }, function (e) {
          plus.nativeUI.alert(t('安装文件失败') + "[" + e.code + "]：" + e.message);
        });
      } else {
        plus.nativeUI.alert(t('文件下载失败'));
      }
    });
    dtask.start();
  }
}
// 文字换行
const drawtext = (text, maxWidth) => {
  let textArr = text.split("");
  let len = textArr.length;
  // 上个节点
  let previousNode = 0;
  // 记录节点宽度
  let nodeWidth = 0;
  // 文本换行数组
  let rowText = [];
  // 如果是字母，侧保存长度
  let letterWidth = 0;
  // 汉字宽度
  let chineseWidth = 14;
  // otherFont宽度
  let otherWidth = 7;
  for (let i = 0; i < len; i++) {
    if (/[\u4e00-\u9fa5]|[\uFE30-\uFFA0]/g.test(textArr[i])) {
      if (letterWidth > 0) {
        if (nodeWidth + chineseWidth + letterWidth * otherWidth > maxWidth) {
          rowText.push({
            type: "text",
            content: text.substring(previousNode, i)
          });
          previousNode = i;
          nodeWidth = chineseWidth;
          letterWidth = 0;
        } else {
          nodeWidth += chineseWidth + letterWidth * otherWidth;
          letterWidth = 0;
        }
      } else {
        if (nodeWidth + chineseWidth > maxWidth) {
          rowText.push({
            type: "text",
            content: text.substring(previousNode, i)
          });
          previousNode = i;
          nodeWidth = chineseWidth;
        } else {
          nodeWidth += chineseWidth;
        }
      }
    } else {
      if (/\n/g.test(textArr[i])) {
        rowText.push({
          type: "break",
          content: text.substring(previousNode, i)
        });
        previousNode = i + 1;
        nodeWidth = 0;
        letterWidth = 0;
      } else if (textArr[i] == "\\" && textArr[i + 1] == "n") {
        rowText.push({
          type: "break",
          content: text.substring(previousNode, i)
        });
        previousNode = i + 2;
        nodeWidth = 0;
        letterWidth = 0;
      } else if (/[a-zA-Z0-9]/g.test(textArr[i])) {
        letterWidth += 1;
        if (nodeWidth + letterWidth * otherWidth > maxWidth) {
          rowText.push({
            type: "text",
            content: text.substring(previousNode, i + 1 - letterWidth)
          });
          previousNode = i + 1 - letterWidth;
          nodeWidth = letterWidth * otherWidth;
          letterWidth = 0;
        }
      } else {
        if (nodeWidth + otherWidth > maxWidth) {
          rowText.push({
            type: "text",
            content: text.substring(previousNode, i)
          });
          previousNode = i;
          nodeWidth = otherWidth;
        } else {
          nodeWidth += otherWidth;
        }
      }
    }
  }
  if (previousNode < len) {
    rowText.push({
      type: "text",
      content: text.substring(previousNode, len)
    });
  }
  return rowText;
}
// 是否更新弹窗
const updatePopup = (data, callback) => {
  // 弹窗遮罩层
  let maskLayer = new plus.nativeObj.View("maskLayer", { //先创建遮罩层
    top: '0px',
    left: '0px',
    height: '100%',
    width: '100%',
    backgroundColor: 'rgba(0,0,0,0.5)'
  });

  // 以下为计算菜单的nview绘制布局，为固定算法，使用者无关关心
  const screenWidth = plus.screen.resolutionWidth;
  const screenHeight = plus.screen.resolutionHeight;
  //弹窗容器宽度
  const popupViewWidth = screenWidth * 0.7;
  // 弹窗容器的Padding
  const viewContentPadding = 20;
  // 弹窗容器的宽度
  const viewContentWidth = parseInt(popupViewWidth - (viewContentPadding * 2));
  // 描述的列表
  const descriptionList = drawtext(data.versionInfo, viewContentWidth);
  // 弹窗容器高度
  let popupViewHeight = 80 + 20 + 20 + 90 + 10;

  let popupViewContentList = [{
    src: $iconUrl,
    id: "logo",
    tag: "img",
    position: {
      top: "0px",
      left: (popupViewWidth - 80) / 2 + "px",
      width: "80px",
      height: "80px",
    }
  },
  {
    tag: 'font',
    id: 'title',
    text: t("发现新版本") + data.versionName,
    textStyles: {
      size: '18px',
      color: "#333",
      weight: "bold",
      whiteSpace: "normal"
    },
    position: {
      top: '90px',
      left: viewContentPadding + "px",
      width: viewContentWidth + "px",
      height: "30px",
    }
  }];
  const textHeight = 18;
  let contentTop = 130;
  descriptionList.forEach((item, index) => {
    if (index > 0) {
      popupViewHeight += textHeight;
      contentTop += textHeight;
    }
    popupViewContentList.push({
      tag: 'font',
      id: 'content' + index + 1,
      text: item.content,
      textStyles: {
        size: '14px',
        color: "#666",
        lineSpacing: "50%",
        align: "left"
      },
      position: {
        top: contentTop + "px",
        left: viewContentPadding + "px",
        width: viewContentWidth + "px",
        height: textHeight + "px",
      }
    });
    if (item.type == "break") {
      contentTop += 10;
      popupViewHeight += 10;
    }
  });

  if (data.updateType == "forcibly") {
    popupViewContentList.push({
      tag: 'rect', //绘制底边按钮
      rectStyles: {
        radius: "6px",
        color: $mainColor
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: viewContentPadding + "px",
        width: viewContentWidth + "px",
        height: "30px"
      }
    });
    popupViewContentList.push({
      tag: 'font',
      id: 'confirmText',
      text: t("立即升级"),
      textStyles: {
        size: '14px',
        color: "#FFF",
        lineSpacing: "0%",
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: viewContentPadding + "px",
        width: viewContentWidth + "px",
        height: "30px"
      }
    });
  } else {
    // 绘制底边按钮
    popupViewContentList.push({
      tag: 'rect',
      id: 'cancelBox',
      rectStyles: {
        radius: "3px",
        borderColor: "#f1f1f1",
        borderWidth: "1px",
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: viewContentPadding + "px",
        width: (viewContentWidth - viewContentPadding) / 2 + "px",
        height: "30px",
      }
    });
    popupViewContentList.push({
      tag: 'rect',
      id: 'confirmBox',
      rectStyles: {
        radius: "3px",
        color: $mainColor,
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: ((viewContentWidth - viewContentPadding) / 2 + viewContentPadding * 2) + "px",
        width: (viewContentWidth - viewContentPadding) / 2 + "px",
        height: "30px",
      }
    });
    popupViewContentList.push({
      tag: 'font',
      id: 'cancelText',
      text: t("暂不升级"),
      textStyles: {
        size: '14px',
        color: "#666",
        lineSpacing: "0%",
        whiteSpace: "normal"
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: viewContentPadding + "px",
        width: (viewContentWidth - viewContentPadding) / 2 + "px",
        height: "30px",
      }
    });
    popupViewContentList.push({
      tag: 'font',
      id: 'confirmText',
      text: t("立即升级"),
      textStyles: {
        size: '14px',
        color: "#FFF",
        lineSpacing: "0%",
        whiteSpace: "normal"
      },
      position: {
        bottom: viewContentPadding + 'px',
        left: ((viewContentWidth - viewContentPadding) / 2 + viewContentPadding * 2) + "px",
        width: (viewContentWidth - viewContentPadding) / 2 + "px",
        height: "30px",
      }
    });
  }
  // 弹窗内容
  let popupView = new plus.nativeObj.View("popupView", { //创建底部图标菜单
    tag: "rect",
    top: (screenHeight - popupViewHeight) / 2 + "px",
    left: '15%',
    height: popupViewHeight + "px",
    width: "70%"
  });
  // 绘制白色背景
  popupView.drawRect({
    color: "#FFFFFF",
    radius: "8px"
  }, {
    top: "40px",
    height: popupViewHeight - 40 + "px",
  });

  popupView.draw(popupViewContentList);
  popupView.addEventListener("click", function (e) {
    let maxTop = popupViewHeight - viewContentPadding;
    let maxLeft = popupViewWidth - viewContentPadding;
    let buttonWidth = (viewContentWidth - viewContentPadding) / 2;
    if (e.clientY > maxTop - 30 && e.clientY < maxTop) {
      if (data.updateType == "forcibly") {
        if (e.clientX > viewContentPadding && e.clientX < maxLeft) {
          // 立即升级
          maskLayer.hide();
          popupView.hide();
          callback && callback();
        }
      } else {
        // 暂不升级
        if (e.clientX > viewContentPadding && e.clientX < maxLeft - buttonWidth - viewContentPadding) {
          maskLayer.hide();
          popupView.hide();
        } else if (e.clientX > maxLeft - buttonWidth && e.clientX < maxLeft) {
          // 立即升级
          maskLayer.hide();
          popupView.hide();
          callback && callback();
        }
      }

    }
  });
  if (data.updateType == "solicit") {
    // 点击遮罩层
    maskLayer.addEventListener("click", function () { //处理遮罩层点击
      maskLayer.hide();
      popupView.hide();
    });
  }
  // 显示弹窗
  maskLayer.show();
  popupView.show();
}
// 文件下载的弹窗绘图
const downloadPopupDrawing = (data) => {
  // 以下为计算菜单的nview绘制布局，为固定算法，使用者无关关心
  const screenWidth = plus.screen.resolutionWidth;
  const screenHeight = plus.screen.resolutionHeight;
  //弹窗容器宽度
  const popupViewWidth = screenWidth * 0.7;
  // 弹窗容器的Padding
  const viewContentPadding = 20;
  // 弹窗容器的宽度
  const viewContentWidth = popupViewWidth - (viewContentPadding * 2);
  // 弹窗容器高度
  let popupViewHeight = viewContentPadding * 3 + 60;
  let progressTip = data.progressTip || t('准备下载');
  let contentText = data.contentText || t('正在为您更新请耐心等待');
  let elementList = [
    {
      tag: 'rect', //背景色
      color: '#FFFFFF',
      rectStyles: {
        radius: "8px"
      }
    },
    {
      tag: 'font',
      id: 'title',
      text: t("升级APP"),
      textStyles: {
        size: '16px',
        color: "#333",
        weight: "bold",
        verticalAlign: "middle",
        whiteSpace: "normal"
      },
      position: {
        top: viewContentPadding + 'px',
        height: "30px",
      }
    },
    {
      tag: 'font',
      id: 'content',
      text: contentText,
      textStyles: {
        size: '14px',
        color: "#333",
        verticalAlign: "middle",
        whiteSpace: "normal"
      },
      position: {
        top: viewContentPadding * 2 + 30 + 'px',
        height: "20px",
      }
    }
  ];
  // 是否有进度条
  if (data.progress) {
    popupViewHeight += viewContentPadding + 40;
    elementList = elementList.concat([
      {
        tag: 'font',
        id: 'progressValue',
        text: progressTip,
        textStyles: {
          size: '14px',
          color: $mainColor,
          whiteSpace: "normal"
        },
        position: {
          top: viewContentPadding * 4 + 20 + 'px',
          height: "30px"
        }
      },
      {
        tag: 'rect', //绘制进度条背景
        id: 'progressBg',
        rectStyles: {
          radius: "4px",
          borderColor: "#f1f1f1",
          borderWidth: "1px",
        },
        position: {
          top: viewContentPadding * 4 + 60 + 'px',
          left: viewContentPadding + "px",
          width: viewContentWidth + "px",
          height: "8px"
        }
      },
    ]);
  }
  if (data.buttonNum == 2) {
    popupViewHeight += viewContentPadding + 30;
    elementList = elementList.concat([
      {
        tag: 'rect', //绘制底边按钮
        rectStyles: {
          radius: "3px",
          borderColor: "#f1f1f1",
          borderWidth: "1px",
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: viewContentPadding + "px",
          width: (viewContentWidth - viewContentPadding) / 2 + "px",
          height: "30px"
        }
      },
      {
        tag: 'rect', //绘制底边按钮
        rectStyles: {
          radius: "3px",
          color: $mainColor
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: ((viewContentWidth - viewContentPadding) / 2 + viewContentPadding * 2) + "px",
          width: (viewContentWidth - viewContentPadding) / 2 + "px",
          height: "30px"
        }
      },
      {
        tag: 'font',
        id: 'cancelText',
        text: t("取消下载"),
        textStyles: {
          size: '14px',
          color: "#666",
          lineSpacing: "0%",
          whiteSpace: "normal"
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: viewContentPadding + "px",
          width: (viewContentWidth - viewContentPadding) / 2 + "px",
          height: "30px",
        }
      },
      {
        tag: 'font',
        id: 'confirmText',
        text: t("后台下载"),
        textStyles: {
          size: '14px',
          color: "#FFF",
          lineSpacing: "0%",
          whiteSpace: "normal"
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: ((viewContentWidth - viewContentPadding) / 2 + viewContentPadding * 2) + "px",
          width: (viewContentWidth - viewContentPadding) / 2 + "px",
          height: "30px",
        }
      }
    ]);
  }
  if (data.buttonNum == 1) {
    popupViewHeight += viewContentPadding + 40;
    elementList = elementList.concat([
      {
        tag: 'rect', //绘制底边按钮
        rectStyles: {
          radius: "6px",
          color: $mainColor
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: viewContentPadding + "px",
          width: viewContentWidth + "px",
          height: "40px"
        }
      },
      {
        tag: 'font',
        id: 'confirmText',
        text: t("关闭"),
        textStyles: {
          size: '14px',
          color: "#FFF",
          lineSpacing: "0%",
        },
        position: {
          bottom: viewContentPadding + 'px',
          left: viewContentPadding + "px",
          width: viewContentWidth + "px",
          height: "40px"
        }
      }
    ]);
  }
  return {
    popupViewHeight: popupViewHeight,
    popupViewWidth: popupViewWidth,
    screenHeight: screenHeight,
    viewContentWidth: viewContentWidth,
    viewContentPadding: viewContentPadding,
    elementList: elementList
  };
}
// 文件下载的弹窗
const downloadPopup = (data) => {
  // 弹窗遮罩层
  let maskLayer = new plus.nativeObj.View("maskLayer", { //先创建遮罩层
    top: '0px',
    left: '0px',
    height: '100%',
    width: '100%',
    backgroundColor: 'rgba(0,0,0,0.5)'
  });
  let popupViewData = downloadPopupDrawing(data);
  // 弹窗内容
  let popupView = new plus.nativeObj.View("popupView", { //创建底部图标菜单
    tag: "rect",
    top: (popupViewData.screenHeight - popupViewData.popupViewHeight) / 2 + "px",
    left: '15%',
    height: popupViewData.popupViewHeight + "px",
    width: "70%",
  });
  let progressValue = 0;
  let progressTip = 0;
  let contentText = 0;
  let buttonNum = 2;
  if (data.buttonNum >= 0) {
    buttonNum = data.buttonNum;
  }
  popupView.draw(popupViewData.elementList);
  let callbackData = {
    change: function (res) {
      let progressElement = [];
      if (res.progressValue) {
        progressValue = res.progressValue;
        // 绘制进度条
        progressElement.push({
          tag: 'rect', //绘制进度条背景
          id: 'progressValueBg',
          rectStyles: {
            radius: "4px",
            color: $mainColor
          },
          position: {
            top: popupViewData.viewContentPadding * 4 + 60 + 'px',
            left: popupViewData.viewContentPadding + "px",
            width: popupViewData.viewContentWidth * (res.progressValue / 100) + "px",
            height: "8px"
          }
        });
      }
      if (res.progressTip) {
        progressTip = res.progressTip;
        progressElement.push({
          tag: 'font',
          id: 'progressValue',
          text: res.progressTip,
          textStyles: {
            size: '14px',
            color: $mainColor,
            whiteSpace: "normal"
          },
          position: {
            top: popupViewData.viewContentPadding * 4 + 20 + 'px',
            height: "30px"
          }
        });
      }
      if (res.contentText) {
        contentText = res.contentText;
        progressElement.push({
          tag: 'font',
          id: 'content',
          text: res.contentText,
          textStyles: {
            size: '16px',
            color: "#333",
            whiteSpace: "normal"
          },
          position: {
            top: popupViewData.viewContentPadding * 2 + 30 + 'px',
            height: "30px",
          }
        });
      }
      if (res.buttonNum >= 0 && buttonNum != res.buttonNum) {
        buttonNum = res.buttonNum;
        popupView.reset();
        popupViewData = downloadPopupDrawing(Object.assign({
          progressValue: progressValue,
          progressTip: progressTip,
          contentText: contentText,
        }, res));
        let newElement = [];
        popupViewData.elementList.map((item, index) => {
          let have = false;
          progressElement.forEach((childItem, childIndex) => {
            if (item.id == childItem.id) {
              have = true;
            }
          });
          if (!have) {
            newElement.push(item);
          }
        });
        progressElement = newElement.concat(progressElement);
        popupView.setStyle({
          tag: "rect",
          top: (popupViewData.screenHeight - popupViewData.popupViewHeight) / 2 + "px",
          left: '15%',
          height: popupViewData.popupViewHeight + "px",
          width: "70%",
        });
        popupView.draw(progressElement);
      } else {
        popupView.draw(progressElement);
      }
    },
    cancel: function () {
      maskLayer.hide();
      popupView.hide();
    }
  }
  popupView.addEventListener("click", function (e) {
    let maxTop = popupViewData.popupViewHeight - popupViewData.viewContentPadding;
    let maxLeft = popupViewData.popupViewWidth - popupViewData.viewContentPadding;
    if (e.clientY > maxTop - 40 && e.clientY < maxTop) {
      if (buttonNum == 1) {
        // 单按钮
        if (e.clientX > popupViewData.viewContentPadding && e.clientX < maxLeft) {
          maskLayer.hide();
          popupView.hide();
          callbackData.reboot();
        }
      } else if (buttonNum == 2) {
        // 双按钮
        let buttonWidth = (popupViewData.viewContentWidth - popupViewData.viewContentPadding) / 2;
        if (e.clientX > popupViewData.viewContentPadding && e.clientX < maxLeft - buttonWidth - popupViewData.viewContentPadding) {
          maskLayer.hide();
          popupView.hide();
          callbackData.cancelDownload();
        } else if (e.clientX > maxLeft - buttonWidth && e.clientX < maxLeft) {
          maskLayer.hide();
          popupView.hide();
        }
      }
    }
  });
  // 显示弹窗
  maskLayer.show();
  popupView.show();
  // 改变进度条
  return callbackData;
}

export default (isPrompt = false) => {

  getCurrentNo(async (versionInfo) => {
    let httpData = {
      release: versionInfo.versionCode,
      // 版本名称
      version: versionInfo.versionName,
      // setupPage参数说明（判断用户是不是从设置页面点击的更新，如果是设置页面点击的更新，有不要用静默更新了，不然用户点击没反应很奇怪的）
      setupPage: isPrompt
    };
    if (platform == "android") {
      httpData.type = 1101;
    } else {
      httpData.type = 1102;
    }
    /* 接口入参说明
     * version: 应用当前版本号（已自动获取）
     * versionName: 应用当前版本名称（已自动获取）
     * type：平台（1101是安卓，1102是IOS）
     */
    /****************以下是示例*******************/
    // 可以用自己项目的请求方法（接口自己找后台要，插件不提供）
    try {
      const e = await $post($checkUpdateUrl, httpData)
      let res = e.data;

      if (res && res.downloadUrl) {
        if (res.updateType == "forcibly" || res.updateType == "silent") {
          if (/\.wgt$/i.test(res.downloadUrl)) {
            getDownload(res);
          } else if (/\.html$/i.test(res.downloadUrl)) {
            plus.runtime.openURL(res.downloadUrl);
          } else {
            if (platform == "android") {
              getDownload(res);
            } else {
              plus.runtime.openURL(res.downloadUrl);
            }
          }
        } else if (res.updateType == "solicit") {
          updatePopup(res, function () {
            if (/\.wgt$/i.test(res.downloadUrl)) {
              getDownload(res);
            } else if (/\.html$/i.test(res.downloadUrl)) {
              plus.runtime.openURL(res.downloadUrl);
            } else {
              if (platform == "android") {
                getDownload(res);
              } else {
                plus.runtime.openURL(res.downloadUrl);
              }
            }
          });
        }
      } else if (isPrompt) {
        Toast(t("暂无新版本"));
      }
    } catch (error) {
      console.error(error);

    }
  });
}