import request from '@/helpers/request'
import { state } from '@/state'
import { Button, Cell, CellGroup, Popup, Dialog, Toast, Circle } from 'vant'
import { Vue3Lottie } from 'vue3-lottie'
import AstronautJSON from '../music-detail/animate/refresh_anim.json'
import {
  defineComponent,
  onMounted,
  reactive,
  onUnmounted,
  TransitionGroup,
  ref
} from 'vue'
import styles from './index.module.less'
import { useRoute, useRouter } from 'vue-router'
import { state as baseState } from '@/state'
import { orderStatus } from '@/views/order-detail/orderStatus'
import {
  listenerMessage,
  postMessage,
  removeListenerMessage
} from '@/helpers/native-message'
import iconCourse from './image/icon-course.png'
import iconCachePoint from './image/icon-cache-point.png'
import play from './image/paly.png'
import { browser } from '@/helpers/utils'
import ColResult from '@/components/col-result'
import { useEventListener } from '@vant/use'
import TheSticky from '@/components/the-sticky'
import ColHeader from '@/components/col-header'
import iconList from './image/icon-list.png'
// import OSticky from '@/components/o-sticky';
export default defineComponent({
  name: 'courseList',
  setup() {
    const route = useRoute()
    const router = useRouter()
    const browserInfo = browser()
    const data = reactive({
      titleOpacity: 0,
      catchStatus: false,
      catchItem: {} as any,
      loading: true,
      detail: {} as Record<string, any>,
      list: [] as any,
      isDownloading: false // 是否在下载资源
    })
    const apiSuffix = ref(
      baseState.platformType === 'STUDENT' ? '/api-student' : '/api-teacher'
    )
    /** 获取课件详情 */
    const getDetail = async () => {
      try {
        const res: any = await request.post(
          apiSuffix.value + `/tenantAlbumMusic/getLessonCoursewareDetail`,
          {
            data: {
              lessonCoursewareId: route.query.id,
              albumId: route.query.albumId
            }
          }
        )
        data.detail = res?.data || {}
      } catch {
        //
      }
    }
    const getList = async () => {
      data.loading = true
      try {
        const res: any = await request.get(
          apiSuffix.value +
            '/tenantAlbumMusic/getLessonCoursewareCourseList/' +
            route.query.id
        )
        if (Array.isArray(res?.data)) {
          data.list = res.data
          res.data.forEach((item: any) => {
            const { knowledgePointList, ...res } = item
            const tempK = knowledgePointList || []
            tempK.forEach((child: any) => {
              child.materialList = [
                ...(child.materialList || []),
                ...getKnowledgeMaterials(child.children || [])
              ]
              child.children = null
            })
          })

          // 由于ios没有对应api
          const _list = await checkCoursewareCache(res.data)
          data.list = browserInfo.isApp
            ? res.data.map((item: any) => {
                const _item = _list.find(
                  (n: any) =>
                    n.lessonCoursewareDetailId == item.lessonCoursewareDetailId
                )
                const n = {
                  ...item
                }
                if (_item) {
                  n.hasCache = _item.hasCache
                }
                return n
              })
            : res.data
        }
      } catch (error) {
        //
      }
      data.loading = false
    }
    // 获取子节点数据
    const getKnowledgeMaterials = (list: any = []) => {
      const tempList: any = []
      list.forEach((item: any) => {
        if (item.materialList && item.materialList.length > 0) {
          tempList.push(...(item.materialList || []))
        }

        if (item.children && item.children.length > 0) {
          tempList.push(...getKnowledgeMaterials(item.children || []))
        }
      })
      return tempList
    }
    onMounted(() => {
      getDetail()
      getList()
      listenerMessage('downloadCoursewareToCache', getProgress)
    })
    onUnmounted(() => {
      removeListenerMessage('downloadCoursewareToCache', getProgress)
    })

    const handleClick = async (item: any) => {
      if (!data.detail?.play) {
        if (!browser().isApp) {
          onDownloadApp()
          return
        }
        onSubmit()
        return
      }
      if (!item.knowledgePointList) {
        Dialog.confirm({
          message: '该课件暂无知识点'
        })
        return
      }
      if (!item.hasCache) {
        // const hasFree = String(item.accessScope) === '0';
        // if (!hasFree) {

        // 下载中不提示
        if (item.downloadStatus == 1) {
          // 取消下载
          postMessage({ api: 'cancelDownloadCourseware' })
          setTimeout(() => {
            postMessage({ api: 'cancelDownloadCourseware' })
            item.downloadStatus = 0
            data.isDownloading = false
          }, 1000)
          Toast.loading({
            message: '取消中...',
            forbidClick: false,
            loadingType: 'spinner',
            duration: 1000
          })
          return
        }
        // 重新下载
        if (item.downloadStatus == 3) {
          downCatch(item)
          return
        }
        data.catchStatus = true
        data.catchItem = item
        return
      }

      gotoPlay(item)
    }
    // 去课件播放
    const gotoPlay = (item: any) => {
      data.catchStatus = false
      if (browser().isApp) {
        postMessage({
          api: 'openWebView',
          content: {
            url: `${location.origin}${location.pathname}#/coursewarePlay?id=${item.coursewareDetailId}&source=my-course`,
            orientation: 0,
            isHideTitle: true,
            statusBarTextColor: false,
            isOpenLight: true,
            showLoadingAnim: true
          }
        })
      } else {
        router.push({
          path: '/coursewarePlay',
          query: {
            id: item.coursewareDetailId,
            source: 'my-course'
          }
        })
      }
    }
    // 检查数据的缓存状态
    const checkCoursewareCache = (list: []): Promise<any[]> => {
      if (!browser().isApp) {
        return Promise.resolve(list)
      }
      return new Promise(resolve => {
        postMessage(
          {
            api: 'checkCoursewareCache',
            content: {
              data: list
            }
          },
          res => {
            if (res?.content?.data) {
              resolve(res.content.data)
              return
            }
            return []
          }
        )
      })
    }
    // 下载缓存
    const downCatch = async (item: any) => {
      console.log(item)
      if (browserInfo.isApp) {
        data.catchStatus = false
        data.isDownloading = true
        const res = await postMessage({
          api: 'downloadCoursewareToCache',
          content: {
            data: item
          }
        })
        return res
      }

      return true
    }
    // 下载缓存进度
    const getProgress = (res: any) => {
      //console.log('🚀 ~ res', res)
      // if (!data.isDownloading) {
      //   return
      // }
      if (res?.content?.lessonCoursewareDetailId) {
        const { lessonCoursewareDetailId, downloadStatus, progress } =
          res.content
        const course = data.list.find(
          (n: any) => n.lessonCoursewareDetailId == lessonCoursewareDetailId
        )
        if (course) {
          course.downloadStatus = downloadStatus
          course.progress = progress
          if (downloadStatus == 2) {
            course.hasCache = 1
            course.progress = 100
            // 下载完成
            data.isDownloading = false
          }
        }
      }
    }
    useEventListener('scroll', () => {
      const height =
        window.scrollY ||
        window.pageYOffset ||
        document.documentElement.scrollTop
      data.titleOpacity = height > 100 ? 1 : height / 100
    })
    //  购买
    const onSubmit = async () => {
      const url =
        apiSuffix.value +
        '/tenantGroupAlbum/buyAlbumInfo?tenantGroupAlbumId=' +
        (route.query.taId || '')
      // if (state.albumId) {
      //   url = url + '?albumId=' + state.albumId
      // }
      const { data } = await request.get(url)
      const details = data[0]
      orderStatus.orderObject.orderType = 'TENANT_ALBUM'
      orderStatus.orderObject.orderName = details.name
      orderStatus.orderObject.orderDesc = details.name
      orderStatus.orderObject.actualPrice = details.actualPrice
      // orderStatus.orderObject.recomUserId = route.query.recomUserId || 0
      // orderStatus.orderObject.activityId = route.query.activityId || 0
      orderStatus.orderObject.orderNo = ''
      orderStatus.orderObject.orderList = [
        {
          orderType: 'TENANT_ALBUM',
          goodsName: details.name,
          actualPrice: details.actualPrice,
          price: details.actualPrice,
          ...details
        }
      ]

      const res = await request.post('/api-student/userOrder/getPendingOrder', {
        data: {
          goodType: 'TENANT_ALBUM',
          bizId: details.id
        }
      })

      const result = res.data
      if (result) {
        Dialog.confirm({
          title: '提示',
          message: '您有一个未支付的订单，是否继续支付？',
          theme: 'round-button',
          className: 'confirm-button-group',
          cancelButtonText: '取消订单',
          confirmButtonText: '继续支付'
        })
          .then(async () => {
            orderStatus.orderObject.orderNo = result.orderNo
            orderStatus.orderObject.actualPrice = result.actualPrice
            orderStatus.orderObject.discountPrice = result.discountPrice
            orderStatus.orderObject.paymentConfig = {
              ...result.paymentConfig,
              paymentVendor: result.paymentVendor,
              paymentVersion: result.paymentVersion
            }

            routerToALBUM(details.id)
          })
          .catch(() => {
            Dialog.close()
            // 只用取消订单，不用做其它处理
            cancelPaymentALBUM(result.orderNo)
          })
      } else {
        routerToALBUM(details.id)
      }
    }
    const cancelPaymentALBUM = async (orderNo: string) => {
      try {
        await request.post('/api-student/userOrder/orderCancel/v2', {
          data: {
            orderNo
          }
        })
      } catch {
        //
      }
    }
    const routerToALBUM = (id: string) => {
      router.push({
        path: '/orderDetail',
        query: {
          orderType: 'ALBUM',
          album: id
        }
      })
    }
    const onDownloadApp = () => {
      Dialog.alert({
        title: '提示',
        message: '请在酷乐秀APP中使用',
        confirmButtonColor: '#2dc7aa'
      }).then(() => {
        window.location.href = location.origin + '/student/#/download'
      })
    }
    return () => (
      <div class={styles.courseList}>
        <TheSticky position="top">
          <ColHeader
            hideHeader={false}
            background={`rgba(255,255,255, ${data.titleOpacity})`}
            isFixed={false}
            border={false}
            title={'教程详情'}
            color="#131415"
          />
        </TheSticky>
        <div class={styles.periodContent}>
          <div class={styles.cover}>
            <img
              src={data.detail.coverImg}
              onLoad={(e: Event) => {
                if (e.target) {
                  ;(e.target as any).style.opacity = 1
                }
              }}
            />
          </div>
          <div>
            <div class={styles.contentTitle}>{data.detail.name}</div>
            <div class={styles.contentLabel}>
              教学目标：{data.detail.lessonTargetDesc}
            </div>
          </div>
        </div>
        <TransitionGroup name="van-fade">
          {!data.loading && (
            <>
              <div key="periodTitle" class={styles.periodTitle}>
                <img class={styles.pIcon} src={iconList} />
                <div class={styles.pTitle}>课程列表</div>
                <div class={styles.pNum}>共{data.list.length}课</div>
              </div>

              <div key="list" class={styles.periodList}>
                <CellGroup inset>
                  {data.list.map((item: any) => {
                    // const isLock =
                    //   item.lockFlag ||
                    //   ((route.query.code == 'select' ||
                    //     state.platformType == 'STUDENT') &&
                    //     !item.unlock);
                    // const isSelect = route.query.code === 'select';
                    return (
                      <Cell
                        border
                        center
                        title={item.coursewareDetailName}
                        // label={
                        //   !browserInfo.isStudent
                        //     ? `已使用${item.useNum || 0}次`
                        //     : ''
                        // }
                        onClick={() => handleClick(item)}
                      >
                        {{
                          icon: () => (
                            <div class={styles.periodItem}>
                              <div class={styles.periodItemModel}>
                                <img src={iconCourse} />
                                {item.hasCache ? (
                                  <img
                                    class={styles.iconCachePoint}
                                    src={iconCachePoint}
                                  />
                                ) : (
                                  ''
                                )}
                                {item.downloadStatus == 1 && (
                                  <div class={styles.downloading}>{`${
                                    item.progress || 0
                                  }%`}</div>
                                )}
                              </div>
                            </div>
                          ),
                          value: () => (
                            <>
                              {item.knowledgePointList ? (
                                <>
                                  {item.hasCache ||
                                  item.downloadStatus !== 1 ? (
                                    <img class={styles.basePlay} src={play} />
                                  ) : (
                                    <div class={styles.circleProgress}>
                                      <div class={styles.tips}></div>
                                      <Circle
                                        v-model:current-rate={item.progress}
                                        rate={item.progress}
                                        speed={10}
                                        stroke-width={80}
                                        layer-color={'#B3B3B3'}
                                        color={'#FE2451'}
                                      />
                                    </div>
                                  )}
                                </>
                              ) : (
                                ''
                              )}
                            </>
                          )
                        }}
                      </Cell>
                    )
                  })}
                </CellGroup>
              </div>
            </>
          )}
        </TransitionGroup>
        {data.loading && (
          <div>
            <Vue3Lottie
              animationData={AstronautJSON}
              class={styles.finch}
            ></Vue3Lottie>
            {/* <p class={styles.finchLoad}>加载中...</p> */}
          </div>
        )}
        {!data.loading && !data.list.length && (
          <ColResult tips="暂无内容" classImgSize="SMALL" btnStatus={false} />
        )}
        <TheSticky position="bottom">
          {data.detail.id && !data.detail.play && (
            <div class={styles.footers}>
              <Button
                round
                block
                type="primary"
                color="linear-gradient(270deg, #FF204B 0%, #FE5B71 100%)"
                onClick={() => {
                  if (!browser().isApp) {
                    onDownloadApp()
                    return
                  }
                  onSubmit()
                }}
              >
                开通训练教程
              </Button>
            </div>
          )}
        </TheSticky>
        <Popup
          v-model:show={data.catchStatus}
          round
          class={styles.courseDialog}
        >
          <i
            class={styles.iconClose}
            onClick={() => (data.catchStatus = false)}
          ></i>
          <div class={styles.title}>下载提醒</div>

          <div class={styles.content}>
            您尚未下载课件，为了更加流畅的学习体验，推荐您下载后观看课件。
          </div>

          <div class={styles.popupBtnGroup}>
            <Button
              class={styles.btnLeft}
              round
              onClick={() => gotoPlay(data.catchItem)}
            >
              直接观看
            </Button>
            <Button
              class={styles.btnRight}
              round
              type="primary"
              onClick={() => downCatch(data.catchItem)}
            >
              下载课件
            </Button>
          </div>
        </Popup>
      </div>
    )
  }
})