import { addDynamicRoute } from '@/router'

export default {
  data () {
    return {
      processVisible: false
    }
  },
  methods: {
    // 初始化流程配置(集成发起流程和任务处理功能)
    initProcessMultiple (callbacks) {
      // showType 用于区分流程启动（start）、任务处理(taskHandle)以及查看详情(null)
      // 流程启动显示的是“流程启动”按钮，任务处理显示的是“通过、委托、回退、驳回、终止”按钮，查看详情都不显示
      var showType = this.$route.params.processShowType
      this.processVisible = true
      this.$nextTick(() => {
        if (this.$route.params.processDefinitionKey && this.$refs.renProcessMultiple) {
          this.$refs.renProcessMultiple.dataForm.processDefinitionKey = this.$route.params.processDefinitionKey
        }
        if (this.$route.params.taskId && this.$refs.renProcessMultiple) {
          this.$refs.renProcessMultiple.dataForm.taskId = this.$route.params.taskId
        }
        if (this.$route.params.processInstanceId && this.$refs.renProcessMultiple) {
          this.$refs.renProcessMultiple.dataForm.processInstanceId = this.$route.params.processInstanceId
        }
        if (this.$refs.renProcessMultiple) {
          this.$refs.renProcessMultiple.dataForm.businessKey = this.$route.params.businessKey
          this.$refs.renProcessMultiple.showType = showType
          this.$refs.renProcessMultiple.parentObj = this
          this.$refs.renProcessMultiple.callbacks = callbacks
        }
      })
    },
    // 关闭当前窗口
    closeCurrentTab (data) {
      var tabName = this.$store.state.contentTabsActiveName
      // 在窗口里去掉当前窗口
      this.$store.state.contentTabs = this.$store.state.contentTabs.filter(item => item.name !== tabName)
      // 如果是唯一一个回首页
      if (this.$store.state.contentTabs.length <= 0) {
        this.$store.state.sidebarMenuActiveName = this.$store.state.contentTabsActiveName = 'home'
        return false
      }
      // 不是唯一一个，回到之前的最后一个
      if (tabName === this.$store.state.contentTabsActiveName) {
        this.$router.push({ name: this.$store.state.contentTabs[this.$store.state.contentTabs.length - 1].name })
      }
    },
    // 获取流程定义的表单路由配置信息
    getProcDefRouteSet (data, callback, str) {
      if (data.resourceName && !data.processDefinitionId) {
        switch (str) {
          case '待办':
            this.$router.push({ name: 'activiti-RoomExamineAdmin' })
            break
          case '已办':
            this.$router.push({ name: 'activiti-RoomExamineAdminDone' })
            break
        }
      } else {
        this.$http.get(`/act/process/getProcDefBizRoute/${data.processDefinitionId}`).then(({ data: res }) => {
          if (res.code !== 0) {
            return this.$message.error(res.msg)
          }
          if (!res.data || !res.data.bizRoute) {
            return this.$message.error(this.$t('process.routeError'))
          }
          var param = {
            ...data,
            ...res.data
          }
          callback(param)
        }).catch(() => { })
      }
    },
    getProcDefBizRouteAndProcessInstance (params, callback) {
      this.$http.get('/act/process/getProcDefBizRouteAndProcessInstance', {
        params: params
      }).then(({ data: res }) => {
        if (res.code !== 0) {
          return this.$message.error(res.msg)
        }
        if (!res.data || !res.data.bizRoute) {
          return this.$message.error(this.$t('process.routeError'))
        }
        var param = {
          ...params,
          ...res.data
        }
        callback(param)
      }).catch(() => { })
    },
    // 根据流程定义KEY获取最新的表单路由配置信息
    getLatestProcDefRouteSet (procDefKey, callback) {
      this.$http.get('/act/process/getLatestProcDefBizRoute', {
        params: {
          procDefKey: procDefKey
        }
      }).then(({ data: res }) => {
        if (res.code !== 0) {
          return this.$message.error(res.msg)
        }
        if (!res.data || !res.data.bizRoute) {
          return this.$message.error(this.$t('process.routeError'))
        }
        var param = {
          procDefKey: procDefKey,
          ...res.data
        }
        callback(param)
      }).catch(() => { })
    },
    // 查看流程图
    forwardDetail (data) {
      var routeParams = {
        routeName: `${this.$route.name}__detail_${data.processInstanceId}`,
        menuId: `${this.$route.meta.menuId}`,
        title: `${this.$route.meta.title} - ${data.processDefinitionName}`,
        path: data.bizRoute,
        params: {
          params: data,
          processInstanceId: data.processInstanceId,
          businessKey: data.businessKey
        }
      }
      addDynamicRoute(routeParams, this.$router)
    },
    // 子级 查看流程图
    forwardTaskDetail (data) {
      var routeParams = {
        routeName: `${this.$route.name}__detail_${data.taskId}`,
        menuId: `${this.$route.meta.menuId}`,
        title: `${this.$route.meta.title} - ${data.taskName}`,
        path: data.bizRoute,
        params: {
          taskId: data.taskId,
          processInstanceId: data.processInstanceId,
          businessKey: data.businessKey
        }
      }
      addDynamicRoute(routeParams, this.$router)
    },
    forwardHandleUrl (data) {
      var routeParams = {
        routeName: `${this.$route.name}__handle_${data.taskId}`,
        menuId: `${this.$route.meta.menuId}`,
        title: `${this.$route.meta.title} - ${data.taskName}`,
        path: data.bizRoute,
        params: {
          params: data,
          taskId: data.taskId,
          processInstanceId: data.processInstanceId,
          processShowType: 'taskHandle',
          businessKey: data.businessKey
        }
      }
      addDynamicRoute(routeParams, this.$router)
    },
    downloadFile (path, name) {
      const xhr = new XMLHttpRequest()
      xhr.open('get', path)
      xhr.responseType = 'blob'
      xhr.send()
      xhr.onload = function () {
        if (this.status === 200 || this.status === 304) {
          // 如果是IE10及以上，不支持download属性，采用msSaveOrOpenBlob方法，但是IE10以下也不支持msSaveOrOpenBlob
          if ('msSaveOrOpenBlob' in navigator) {
            navigator.msSaveOrOpenBlob(this.response, name)
            return
          }
          // const blob = new Blob([this.response], { type: xhr.getResponseHeader('Content-Type') });
          // const url = URL.createObjectURL(blob);
          const url = URL.createObjectURL(this.response)
          const a = document.createElement('a')
          a.style.display = 'none'
          a.href = url
          a.download = name
          document.body.appendChild(a)
          a.click()
          document.body.removeChild(a)
          URL.revokeObjectURL(url)
        }
      }
    }
  }
}