import OEmpty from '@/components/o-empty'
import request from '@/helpers/request'
import dayjs from 'dayjs'
import isSameOrBefore from 'dayjs/plugin/isSameOrBefore'
import isSameOrAfter from 'dayjs/plugin/isSameOrAfter'
dayjs.extend(isSameOrBefore, isSameOrAfter)
import { ActionSheet, Cell, DatePicker, Icon, Image, List, Popover, Popup } from 'vant'
import { computed, defineComponent, onMounted, reactive } from 'vue'
import { useRoute } from 'vue-router'
import styles from './plan.module.less'
import iconTeacher from '@common/images/icon_teacher.png'
import OActionSheet from '@/components/o-action-sheet'
import { formatterDatePicker } from '@/helpers/utils'

export default defineComponent({
  name: 'plan',
  props: {
    termTimes: {
      type: Object,
      default: {}
    },
    height: {
      type: [String, Number],
      default: 0
    }
  },
  setup(props) {
    const startTime = computed(() => props.termTimes.start)
    const endTime = computed(() => props.termTimes.end)
    const route = useRoute()
    const state = reactive({
      timeShow: false,
      currentData: [dayjs().year() + ''],
      showPopover: false,
      actionText: '上学期',
      actionType: 'up',
      actionTerm: [
        { name: '上学期', selected: true, value: 'up' },
        { name: '下学期', value: 'down' }
      ],
      oPopover: false,
      check: [],
      checkboxRefs: [] as any,
      showQrcode: false,
      isLoading: false,
      list: [] as any,
      listState: {
        dataShow: true, // 判断是否有数据
        loading: false,
        finished: false
      },

      params: {
        startTime: dayjs(dayjs().year() + startTime.value).format('YYYY-MM-DD HH:mm:ss'),
        endTime: dayjs(dayjs().year() + endTime.value)
          .add(1, 'year')
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss'),
        page: 1,
        rows: 20
      }
    })
    // 选择学期
    const onSelect = (val: any) => {
      state.actionTerm.forEach((item: any) => {
        item.selected = false
      })
      val.selected = true
      state.actionText = val.name
      state.actionType = val.value

      if (val.value === 'up') {
        state.params.startTime = dayjs(Number(state.currentData[0]) + startTime.value).format(
          'YYYY-MM-DD HH:mm:ss'
        )
        state.params.endTime = dayjs(Number(state.currentData[0]) + endTime.value)
          .add(1, 'year')
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
      } else if (val.value === 'down') {
        state.params.startTime = dayjs(Number(state.currentData[0]) + endTime.value)
          .add(1, 'year')
          .format('YYYY-MM-DD HH:mm:ss')
        state.params.endTime = dayjs(Number(state.currentData[0]) + startTime.value)
          .add(1, 'year')
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
      }
      state.oPopover = false
      onSearch()
    }

    const onConfirmDate = (date: any) => {
      state.currentData = date.selectedValues

      const year = Number(state.currentData[0]) + 1
      if (state.actionType === 'up') {
        state.params.startTime = dayjs(year + startTime.value).format('YYYY-MM-DD HH:mm:ss')
        state.params.endTime = dayjs(year + endTime.value)
          .add(1, 'year')
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
      } else if (state.actionType === 'down') {
        state.params.startTime = dayjs(year + endTime.value).format('YYYY-MM-DD HH:mm:ss')
        state.params.endTime = dayjs(year + startTime.value)
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
      }
      state.timeShow = false
      onSearch()
    }

    // 班级列表
    const getList = async () => {
      try {
        if (state.isLoading) return
        state.isLoading = true
        const res = await request.post('/api-school/classGroup/page', {
          data: {
            ...state.params,
            orchestraId: route.query.id
          }
        })
        state.listState.loading = false
        const result = res.data || {}
        // 处理重复请求数据
        if (state.list.length > 0 && result.current === 1) {
          return
        }
        const rows = result.rows || []
        state.list = state.list.concat(rows || [])
        state.listState.finished = result.current >= result.pages
        state.params.page = result.current + 1
        state.listState.dataShow = state.list.length > 0
        state.isLoading = false
      } catch {
        state.listState.dataShow = false
        state.listState.finished = true
        state.isLoading = false
      }
    }

    const onSearch = () => {
      state.params.page = 1
      state.list = []
      state.listState.dataShow = true // 判断是否有数据
      state.listState.loading = false
      state.listState.finished = false
      getList()
    }

    onMounted(async () => {
      const sysStartTime = dayjs(dayjs().year() + startTime.value).format('YYYY-MM-DD')
      const sysEndTime = dayjs(dayjs().year() + endTime.value).format('YYYY-MM-DD')
      const nowTime = dayjs().format('YYYY-MM-DD')
      console.log(nowTime, sysStartTime)
      const before = dayjs(nowTime).isBefore(dayjs(sysStartTime))
      const after = dayjs(nowTime).isBefore(dayjs(sysEndTime))
      const year = dayjs().year()

      // console.log(before, after, year)
      if (before && after) {
        state.currentData = [year - 1 + '']
        state.params.startTime = dayjs(year - 1 + startTime.value).format('YYYY-MM-DD HH:mm:ss')
        state.params.endTime = dayjs(dayjs().year() + endTime.value)
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
        // 上学期
      }

      if (!before && !after) {
        state.params.startTime = dayjs(dayjs().year() + startTime.value).format(
          'YYYY-MM-DD HH:mm:ss'
        )
        state.params.endTime = dayjs(dayjs().year() + endTime.value)
          .add(1, 'year')
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')
        // 下一年的上学期
      }

      if (before && !after) {
        state.params.startTime = dayjs(year + endTime.value).format('YYYY-MM-DD HH:mm:ss')
        state.params.endTime = dayjs(year + startTime.value)
          .subtract(1, 'day')
          .format('YYYY-MM-DD HH:mm:ss')

        // 下学期
        state.actionTerm.forEach((item: any) => {
          if (item.value === 'down') {
            item.color = 'var(--van-primary-color)'
            state.actionText = item.text
            state.actionType = item.value
          } else {
            item.color = ''
          }
        })
        state.currentData = [year - 1 + '']
        state.actionText = '下学期'
        state.actionType = 'up'
        state.actionTerm.forEach((item: any) => {
          if (item.value === 'up') {
            item.selected = true
          } else {
            item.selected = false
          }
        })
      }

      await getList()
    })
    return () => (
      <div>
        <div class={['searchGroup', 'van-hairline--top']}>
          <div
            class={['searchItem', state.timeShow ? 'searchItem-active' : '']}
            onClick={() => (state.timeShow = true)}
          >
            {state.currentData[0]}年 <i class={'arrow'}></i>
          </div>
          <div
            class={['searchItem', state.oPopover ? 'searchItem-active' : '']}
            onClick={() => (state.oPopover = true)}
          >
            {state.actionText} <i class={'arrow'}></i>
          </div>
        </div>

        <div style="height: calc(100vh - var(--header-height) - var(--van-tabs-line-height) - 1.17333rem); overflow: hidden; overflow-y: auto;">
          {state.listState.dataShow ? (
            <List
              // v-model:loading={state.listState.loading}
              finished={state.listState.finished}
              finishedText=" "
              class={[styles.liveList]}
              onLoad={getList}
              immediateCheck={false}
            >
              {state.list.map((item: any) => (
                <div class={[styles.gridContainer, styles.gridClass]}>
                  <div class={styles.className}>
                    <i class={styles.line}></i>
                    {item.name}
                  </div>
                  <Cell center class={styles.gridCell}>
                    {{
                      icon: () => (
                        <Image
                          class={styles.img}
                          src={item.teacherAvatar || iconTeacher}
                          fit="cover"
                        />
                      ),
                      title: () => (
                        <>
                          <p class={styles.class}>
                            {item.completeCourseScheduleNum || 0}/{item.courseScheduleNum || 0}
                          </p>
                          <p class={styles.teacherDesc}>课时</p>
                        </>
                      ),
                      value: () => (
                        <>
                          <p class={styles.courseware}>{item.newestLessonPlanDetailName || '-'}</p>
                          <p class={styles.teacherDesc}>最新课件</p>
                        </>
                      )
                    }}
                  </Cell>
                </div>
              ))}
            </List>
          ) : (
            <OEmpty btnStatus={false} tips="暂无班级" />
          )}
        </div>

        <OActionSheet
          v-model:show={state.oPopover}
          actions={state.actionTerm}
          onSelect={onSelect}
          teleport={'body'}
        />

        <Popup
          v-model:show={state.timeShow}
          position="bottom"
          round
          class={'popupBottomSearch'}
          teleport={'body'}
        >
          <DatePicker
            v-model={state.currentData}
            columnsType={['year']}
            minDate={new Date(2010, 0, 1)}
            maxDate={new Date(2055, 11, 31)}
            formatter={formatterDatePicker}
            onConfirm={onConfirmDate}
            onCancel={() => (state.timeShow = false)}
          />
        </Popup>
      </div>
    )
  }
})
