import {
  computed,
  defineComponent,
  nextTick,
  onMounted,
  reactive,
  ref
} from 'vue'
import umiRequest from 'umi-request'
import { useRoute, useRouter } from 'vue-router'
import request from '@/helpers/request'
import ColHeader from '@/components/col-header'
import { postMessage, promisefiyPostMessage } from '@/helpers/native-message'
import {
  Button,
  Cell,
  Dialog,
  Icon,
  Image,
  Popup,
  Sticky,
  Tag,
  Toast
} from 'vant'
import styles from './index.module.less'
// import Item from '../list/item'
import { useRect } from '@vant/use'
import { Vue3Lottie } from 'vue3-lottie'
import { getRandomKey, musicBuy } from '../music'
import { state } from '@/state'
import { useEventTracking } from '@/helpers/hooks'
import ColSticky from '@/components/col-sticky'
import { moneyFormat } from '@/helpers/utils'
import { orderStatus } from '@/views/order-detail/orderStatus'
import iconShare from '@/views/music/album/icon_share.svg'
import iconAlbum from '@/views/music/component/images/icon_album.png'
import iconDownload from './images/icon_download.png'
import AstronautJSON from './animate/bigLoad.json'
import ColShare from '@/components/col-share'
import iconCollect from './images/icon_collect.png'
import iconCollectActive from './images/icon_collect_active.png'
import iconListen from './images/icon_listen.png'
import iconTeacher from '@common/images/icon_teacher.png'
import {
  addMusicTitle,
  addWatermark,
  convasToImg,
  imgToCanvas
} from './imageFunction'
import Plyr from 'plyr'
import 'plyr/dist/plyr.css'

export const getAssetsHomeFile = (fileName: string) => {
  const path = `../component/images/${fileName}`
  const modules = import.meta.globEager('../component/images/*')
  return modules[path].default
}

export default defineComponent({
  name: 'MusicDetail',
  setup() {
    localStorage.setItem('behaviorId', getRandomKey())
    const router = useRouter()
    const route = useRoute()
    const loading = ref(false)
    const aId = Number(route.query.activityId) || 0
    const studentActivityId = ref(aId)
    const isError = ref(false)
    const headers = ref(null)
    const footers = ref(null)
    const heightInfo = ref<any>('0')
    const musicDetail = ref<any>(null)
    const showImg = ref<string>('')
    const accompanyUrl = ref<string>('')

    const colors: any = {
      FREE: {
        color: '#01B84F',
        text: '免费'
      },
      VIP: {
        color: '#CD863E',
        text: '会员'
      },
      CHARGE: {
        color: '#3591CE',
        text: '点播'
      }
    }

    const FetchList = async (id?: any) => {
      if (loading.value) {
        return
      }
      loading.value = true
      isError.value = false
      try {
        const res = await request.get(`/music/sheet/detail/${route.query.id}`, {
          prefix:
            state.platformType === 'TEACHER' ? '/api-teacher' : '/api-student'
        })
        musicDetail.value = res.data
        showImg.value = res.data.musicImg || ''

        if (!showImg.value) {
          setAccompanyUrl()
          window.addEventListener(
            'message',
            async e => {
              // 给图片设置背景色
              const tempCanvas = await imgToCanvas(e.data)
              const img = convasToImg(tempCanvas)
              //  开始上传图片
              uploadFunction(img)
            },
            false
          )
        }
      } catch (error) {
        isError.value = true
      }
      loading.value = false
    }
    const base64ToBlob = data => {
      const arr = data.split(','),
        mime = arr[0].match(/:(.*?);/)[1]

      const bstr = atob(arr[1])
      let n = bstr.length
      const u8arr = new Uint8Array(n)

      while (n--) {
        u8arr[n] = bstr.charCodeAt(n)
      }
      return new Blob([u8arr], { type: mime })
    }
    const uploadFunction = async file => {
      try {
        const formData = new FormData()
        const fileName =
          new Date().getTime() +
          musicDetail.value?.musicSheetName.replaceAll(' ', '_') +
          '.png'
        const keyTime = new Date().getTime() + fileName
        const obj = {
          filename: fileName,
          bucketName: 'cloud-coach',
          postData: {
            filename: fileName,
            acl: 'public-read',
            key: keyTime,
            unknowValueField: []
          }
        }

        const res = await request.post(state.platformApi + '/getUploadSign', {
          data: obj
        })

        Toast.loading({
          message: '加载中...',
          forbidClick: true,
          loadingType: 'spinner',
          duration: 0
        })

        const dataObj = {
          policy: res.data.policy,
          signature: res.data.signature,
          key: keyTime,
          KSSAccessKeyId: res.data.kssAccessKeyId,
          acl: 'public-read',
          name: fileName
        }
        for (const key in dataObj) {
          formData.append(key, dataObj[key])
        }
        const files = base64ToBlob(file)

        formData.append('file', files, fileName)
        const ossUploadUrl = 'https://ks3-cn-beijing.ksyuncs.com/cloud-coach'
        await umiRequest(ossUploadUrl, {
          method: 'POST',
          data: formData
        })
        Toast.clear()
        const imgurl = ossUploadUrl + '/' + keyTime

        await request.post(state.platformApi + '/open/music/sheet/img', {
          data: { musicSheetId: musicDetail.value.id, musicImg: imgurl }
        })
        showImg.value = imgurl
      } catch (e) {
        console.log(e)
      }
    }

    const setAccompanyUrl = () => {
      let url = location.host
      if (
        location.host.includes('dev.colexiu') ||
        location.host.includes('192.168') ||
        location.host.includes('localhost')
      ) {
        url = 'https://dev.colexiu.com'
      }
      const music = musicDetail.value
      let subjectId = ''
      if (music.background && music.background.length > 0) {
        subjectId = music.background[0].id
      }
      accompanyUrl.value =
        url +
        `/accompany/colxiu-website.html?id=${music.id}&part-index=${subjectId}`
    }
    const player = ref<any>(null)
    const audio = ref<any>(null)
    const freeRate = ref<any>(0)
    const initAudio = async () => {
      const config = await request.get(
        '/api-student/sysConfig/queryByParamNameList',
        {
          params: {
            paramNames: 'music_sheet_free_rate'
          }
        }
      )
      freeRate.value = config.data[0]?.paramValue || 0

      const controls = [
        // 'play-large',
        'play',
        'progress',
        // 'captions',
        // 'fullscreen',
        'duration'
      ]
      player.value = new Plyr(audio.value, {
        controls: controls
      })

      player.value.on('timeupdate', () => {
        // 允许播放时间
        const players = player.value
        const playTime = (players.duration * freeRate.value) / 100 || 0
        // 时间，不能播放
        if (players.currentTime >= playTime && !buyState.value.play) {
          players.stop()
          // players.pause()
        }
      })
    }
    onMounted(async () => {
      await FetchList()
      const { height } = useRect(headers as any)
      const footer = useRect(footers as any)
      heightInfo.value = height + footer.height

      // 初始化音频
      if (musicDetail.value?.audioFileUrl) {
        initAudio()
      }
    })

    const toggleFavorite = async () => {
      try {
        await request.post('/music/sheet/favorite/' + musicDetail.value?.id, {
          prefix:
            state.platformType === 'TEACHER' ? '/api-teacher' : '/api-student'
        })
        musicDetail.value.favorite = musicDetail.value?.favorite ? 0 : 1
        musicDetail.value.favoriteCount = musicDetail.value?.favorite
          ? musicDetail.value.favoriteCount + 1
          : musicDetail.value.favoriteCount - 1 < 0
          ? 0
          : musicDetail.value.favoriteCount - 1
        setTimeout(() => {
          Toast(musicDetail.value?.favorite ? '收藏成功' : '取消收藏成功')
        }, 100)
      } catch (error) {
        //
      }
    }

    const saveLoading = ref<boolean>(false)
    const image = ref('')
    const onSaveImg = async () => {
      // 判断是否在保存中...
      if (saveLoading.value) {
        return
      }
      saveLoading.value = true
      // 判断是否已经生成图片
      if (image.value) {
        saveImg()
      } else {
        const tempCanvas = await imgToCanvas(showImg.value)
        const titleCanvas = addMusicTitle(tempCanvas, {
          title: musicDetail.value?.musicSheetName,
          size: 18
        })
        const canvas = await addWatermark(titleCanvas, '酷乐秀')
        image.value = convasToImg(canvas)
        await saveImg()
      }
    }

    const saveImg = async () => {
      Toast.loading({
        message: '图片生成中...',
        forbidClick: true
      })
      setTimeout(() => {
        saveLoading.value = false
      }, 100)
      const res = await promisefiyPostMessage({
        api: 'savePicture',
        content: {
          base64: image.value
        }
      })
      if (res?.content?.status === 'success') {
        Toast.success('保存成功')
      } else {
        Toast.fail('保存失败')
      }
    }

    const onBuy = async () => {
      const music = musicDetail.value
      orderStatus.orderObject.orderType = 'MUSIC'
      orderStatus.orderObject.orderName = music.musicSheetName
      orderStatus.orderObject.orderDesc = music.musicSheetName
      orderStatus.orderObject.actualPrice = music.musicPrice
      orderStatus.orderObject.recomUserId = route.query.recomUserId || 0
      orderStatus.orderObject.activityId = route.query.activityId || 0
      orderStatus.orderObject.orderNo = ''
      orderStatus.orderObject.orderList = [
        {
          orderType: 'MUSIC',
          goodsName: music.musicSheetName,
          actualPrice: music.musicPrice,
          ...music
        }
      ]

      const res = await request.post('/api-student/userOrder/getPendingOrder', {
        data: {
          goodType: 'MUSIC',
          bizId: music.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？',
          confirmButtonColor: '#269a93',
          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
            routerTo()
          })
          .catch(() => {
            Dialog.close()
            // 只用取消订单，不用做其它处理
            cancelPayment(result.orderNo)
          })
      } else {
        routerTo()
      }
    }
    const routerTo = () => {
      const music = musicDetail.value
      router.push({
        path: '/orderDetail',
        query: {
          orderType: 'MUSIC',
          musicId: music.id
        }
      })
    }
    const cancelPayment = async (orderNo: string) => {
      try {
        await request.post('/api-student/userOrder/orderCancel', {
          data: {
            orderNo
          }
        })
      } catch {}
    }

    const paymentType = computed(() => {
      let paymentType = musicDetail.value?.paymentType
      if (typeof paymentType === 'string') {
        paymentType = paymentType.split(',')
        return paymentType
      }
      return []
    })

    const buyState = computed(() => {
      const music = musicDetail.value
      return {
        play: music.play ? true : false, // 是否可以播放
        free: music?.paymentType.includes('FREE'),
        charge: music?.paymentType.includes('CHARGE'),
        vip: music?.paymentType.includes('VIP'),
        buy: music?.orderStatus === 'PAID' // 是否已买
      }
    })

    const shareStatus = ref(false)
    const shareUrl = ref('')
    const shareDiscount = ref(0)
    // console.log(data)
    const onShare = async () => {
      try {
        const res = await request.post('/api-teacher/open/musicShareProfit', {
          data: {
            bizId: musicDetail.value?.id,
            userId: state.user.data?.userId
          }
        })
        let url =
          location.origin +
          `/teacher/#/shareMusic?id=${musicDetail.value?.id}&recomUserId=${state.user.data?.userId}&userType=${state.platformType}`
        // 判断是否有活动
        if (res.data.discount === 1) {
          url += `&activityId=${res.data.activityId}`
        }
        shareDiscount.value = res.data.discount || 0
        console.log(url)
        shareUrl.value = url
        shareStatus.value = true
        return
      } catch {}
    }
    return () => {
      return (
        <div class={styles.detail}>
          <Sticky position="top">
            <div ref={headers}>
              <ColHeader
                background="transparent"
                border={false}
                isFixed={false}
                color="#fff"
                title={musicDetail.value?.musicSheetName}
                backIconColor="white"
                v-slots={{
                  right: () => (
                    <div
                      class={styles.shareBtn}
                      style={{
                        color: '#fff'
                      }}
                      onClick={onShare}
                    >
                      <Image src={iconShare} />
                      分享
                    </div>
                  )
                }}
              />
            </div>
          </Sticky>

          <img class={styles.bgImg} src={musicDetail.value?.titleImg} />
          <div class={styles.bgContent}></div>
          <div
            class={styles.musicContainer}
            style={{
              marginTop: '16px',
              height: `calc(100vh - ${heightInfo.value + 16 + 'px'})`
            }}
          >
            <Cell
              border={false}
              center
              class={styles.musicInfo}
              v-slots={{
                icon: () => (
                  <Image
                    class={styles.pImg}
                    src={musicDetail.value?.titleImg}
                  />
                ),
                title: () => (
                  <div class={styles.info}>
                    <h4 class="van-ellipsis">
                      {musicDetail.value?.musicSheetName}
                    </h4>
                    <p
                      style={{
                        display: 'flex'
                      }}
                    >
                      {paymentType.value.map(tag => (
                        <Tag
                          style={{ color: colors[tag].color }}
                          class={styles.tag}
                          type="success"
                          plain
                        >
                          {colors[tag].text}
                        </Tag>
                      ))}
                      {musicDetail.value?.exquisiteFlag === 1 && (
                        <Image
                          class={styles.exquisiteFlag}
                          src={getAssetsHomeFile('icon_exquisite.png')}
                        />
                      )}

                      {musicDetail.value?.albumNums > 0 && (
                        <Image
                          class={styles.songAlbum}
                          src={getAssetsHomeFile('icon_album_active.png')}
                        />
                      )}
                      <span class={styles.coomposer}>
                        {musicDetail.value?.composer}
                      </span>
                    </p>
                  </div>
                ),
                value: () => (
                  <span class={styles.download} onClick={() => onSaveImg()}>
                    <img src={iconDownload} />
                    下载曲谱
                  </span>
                )
              }}
            />
            <div class={styles.musicContent}>
              <iframe
                id="containerPrint"
                ref="print"
                style="width: 100%;page-break-after:always; height: 0"
                src={accompanyUrl.value}
              />
              <p class={styles.musicTitle}>
                {musicDetail.value?.musicSheetName}
              </p>
              {showImg.value ? (
                <img src={showImg.value} alt="" class={styles.musicImg} />
              ) : (
                <>
                  <Vue3Lottie
                    animationData={AstronautJSON}
                    class={styles.finch}
                  ></Vue3Lottie>
                  <p class={styles.finchLoad}>加载中...</p>
                </>
              )}

              <div class={styles.videoOperation}>
                {musicDetail.value?.audioFileUrl && (
                  <>
                    {!buyState.value.play && (
                      <div class={[styles.audition]}>
                        <img src={iconListen} />
                        <span>每首曲目可试听{freeRate.value}%</span>
                      </div>
                    )}

                    <div class={[styles.audio, styles.collectCell]}>
                      <audio id="player" controls ref={audio}>
                        <source
                          src={musicDetail.value?.audioFileUrl}
                          type="audio/mp3"
                        />
                      </audio>
                    </div>
                  </>
                )}

                <div class={[styles.collect, styles.collectCell]}>
                  <div class={[styles.userInfo]}>
                    <img src={musicDetail.value?.userAvatar || iconTeacher} />
                    <span>{musicDetail.value?.userName}</span>
                  </div>

                  <div
                    class={[styles.collectSection]}
                    onClick={() => toggleFavorite()}
                  >
                    <span>{musicDetail.value?.favoriteCount}人收藏</span>
                    <img
                      src={
                        musicDetail.value?.favorite
                          ? iconCollectActive
                          : iconCollect
                      }
                    />
                  </div>
                </div>
              </div>
            </div>

            <div
              class={[styles.lookAlbum, styles.collectCell]}
              onClick={() => {
                router.push({
                  path: '/look-album-list',
                  query: {
                    id: musicDetail.value?.id
                  }
                })
              }}
            >
              <div>
                <img src={iconAlbum} />
                <span>进入曲目所在专辑列表</span>
              </div>
              <Icon name="arrow" size={16} color="#666" />
            </div>
          </div>

          {musicDetail.value?.id && (
            <ColSticky position="bottom" background="white">
              <div ref={footers}>
                {/* 判断是否是免费的，或者已经购买过 */}
                {buyState.value.play ? (
                  <Button
                    round
                    block
                    type="primary"
                    color="linear-gradient(180deg, #59E5D5 0%, #2DC7AA 100%)"
                    onClick={() => musicBuy(musicDetail.value)}
                  >
                    立即练习
                  </Button>
                ) : (
                  <div class={styles.colSticky}>
                    {/* 只有，有点播类型的才显示价格 */}
                    {buyState.value.charge && (
                      <div class={styles.priceSection}>
                        <span>点播价：</span>
                        <span class={styles.price}>
                          <i>¥</i>
                          {moneyFormat(musicDetail.value?.musicPrice)}
                        </span>
                      </div>
                    )}
                    <div class={[styles.buyBtn]}>
                      {/* 判断是否是需要收费的 */}
                      {buyState.value.charge && (
                        <Button
                          round
                          type="primary"
                          color="linear-gradient(180deg, #59E5D5 0%, #2DC7AA 100%)"
                          class={styles.primary}
                          onClick={onBuy}
                        >
                          立即点播
                        </Button>
                      )}

                      {/* 判断是否有会员的 */}
                      {buyState.value.vip && (
                        <Button
                          round
                          block={!buyState.value.charge ? true : false}
                          type="primary"
                          color="linear-gradient(180deg, #F7BD8D 0%, #CD8806 100%)"
                          class={styles.memeber}
                          onClick={() => {
                            router.push({
                              path: '/memberCenter',
                              query: {
                                ...route.query
                              }
                            })
                          }}
                        >
                          {studentActivityId.value > 0 && (
                            <div class={[styles.buttonDiscount]}>专属优惠</div>
                          )}
                          开通会员
                        </Button>
                      )}
                    </div>
                  </div>
                )}
              </div>
            </ColSticky>
          )}

          <Popup
            v-model:show={shareStatus.value}
            style={{ background: 'transparent' }}
            teleport="body"
          >
            <ColShare
              teacherId={state.user.data?.userId}
              shareUrl={shareUrl.value}
              shareType="music"
            >
              <div class={styles.shareMate}>
                {shareDiscount.value === 1 && (
                  <div class={styles.tagDiscount}>专属优惠</div>
                )}

                <img
                  class={styles.icon}
                  crossorigin="anonymous"
                  src={
                    musicDetail.value?.titleImg +
                    `@base@tag=imgScale&h=80&w=80&m=1?t=${+new Date()}`
                  }
                />
                <div class={styles.info}>
                  <h4 class="van-multi-ellipsis--l2">
                    {musicDetail.value?.musicSheetName}
                  </h4>
                  <p>作曲人：{musicDetail.value?.composer}</p>
                </div>
              </div>
            </ColShare>
          </Popup>
        </div>
      )
    }
  }
})