<script lang="ts" setup>
import FileDnD from '~/components/uni/FileDnD/index.vue'
import { type InferType, number, object, string } from 'yup'
import ModalDigitalHumanSelect from '~/components/ModalDigitalHumanSelect.vue'
import type { FormSubmitEvent } from '#ui/types'
import { useFetchWrapped } from '~/composables/useFetchWrapped'

const emit = defineEmits(['success'])

const slide = useSlideover()
const toast = useToast()
const loginState = useLoginState()

const creationForm = ref<HTMLFormElement>()
const creationPending = ref(false)
const isDigitalSelectorOpen = ref(false)
const isTitlesSelectorOpen = ref(false)

const createCourseSchema = object({
  task_title: string()
    .trim()
    .min(4, '标题必须大于4个字符')
    .max(20, '标题不能超过20个字符')
    .required('请输入微课标题'),
  digital_human_id: number().not([0], '请选择数字人'),
  opening_url: string().url().notRequired().default(''),
  ending_url: string().url().notRequired().default(''),
  gen_server: string().required(),
  speed: number().default(1.0).min(0.5).max(1.5).required(),
})

type CreateCourseSchema = InferType<typeof createCourseSchema>

const createCourseState = reactive({
  task_title: undefined,
  digital_human_id: 0,
  opening_url: '',
  ending_url: '',
  gen_server: 'main',
  speed: 1.0,
})

const selected_file = ref<File[] | null>(null)
const selected_digital_human = ref<DigitalHumanItem | null>(null)
const selected_titles = ref<TitlesTemplate | null>(null)

watchEffect(() => {
  if (selected_digital_human.value) {
    // 2025.03.31 使用内部数字人 ID
    createCourseState.digital_human_id =
      selected_digital_human.value.digital_human_id ?? selected_digital_human.value.id ?? 0
  }
  if (selected_titles.value) {
    createCourseState.opening_url = selected_titles.value.opening_file
    createCourseState.ending_url = selected_titles.value.ending_file
  }
})

const onCreateCourseSubmit = async (
  event: FormSubmitEvent<CreateCourseSchema>
) => {
  if (!selected_file.value) {
    toast.add({
      title: '未选择文件',
      description: '请先选择 PPTX 文件',
      color: 'red',
      icon: 'i-tabler-alert-triangle',
    })
    return
  }
  creationPending.value = true
  // upload PPTX file
  useFileGo(selected_file.value[0], 'ppt').then((url) => {
    useFetchWrapped<
      req.gen.CourseGenCreate & AuthedRequest,
      BaseResponse<resp.gen.CourseGenCreate>
    >('App.Digital_Convert.Create', {
      token: loginState.token!,
      user_id: loginState.user.id,
      task_title: event.data.task_title,
      gen_server: event.data.gen_server as 'main' | 'standby1',
      speed: event.data.speed,
      ppt_url: url,
      digital_human_id: event.data.digital_human_id,
      custom_video: '[]',
      opening_url: event.data.opening_url || '',
      ending_url: event.data.opening_url || '',
    })
      .then((res) => {
        if (res.data.record_status === 1) {
          toast.add({
            title: '创建成功',
            description: '已加入生成队列',
            color: 'green',
            icon: 'i-tabler-check',
          })
          emit('success')
          slide.close()
        } else {
          toast.add({
            title: '创建失败',
            description: res.msg || '未知错误',
            color: 'red',
            icon: 'i-tabler-alert-triangle',
          })
        }
        creationPending.value = false
      })
      .catch((e) => {
        creationPending.value = false
        toast.add({
          title: '创建失败',
          description: e.message || '未知错误',
          color: 'red',
          icon: 'i-tabler-alert-triangle',
        })
      })
  })
}
</script>

<template>
  <USlideover prevent-close>
    <UCard
      :ui="{
        body: { base: 'flex-1' },
        ring: '',
        divide: 'divide-y divide-gray-100 dark:divide-gray-800',
      }"
      class="flex flex-col flex-1"
    >
      <template #header>
        <div class="flex items-center justify-between">
          <h3
            class="text-base font-semibold leading-6 text-gray-900 dark:text-white"
          >
            新建微课视频
          </h3>
          <UButton
            class="-my-1"
            color="gray"
            icon="i-tabler-x"
            variant="ghost"
            @click="slide.close()"
          />
        </div>
      </template>

      <UForm
        ref="creationForm"
        :schema="createCourseSchema"
        :state="createCourseState"
        class="space-y-4"
        @submit="onCreateCourseSubmit"
      >
        <div class="flex justify-between gap-2 *:flex-1">
          <UFormGroup
            label="微课标题"
            name="task_title"
            required
          >
            <UInput
              v-model="createCourseState.task_title"
              placeholder="请输入微课标题"
            />
          </UFormGroup>
        </div>

        <div class="grid grid-cols-2 gap-2">
          <UFormGroup
            label="数字人"
            name="digital_human_id"
            required
          >
            <div
              :class="{ 'shadow-inner': !!selected_digital_human }"
              class="flex items-center gap-2 bg-neutral-100 dark:bg-neutral-800 p-2 rounded-md cursor-pointer select-none transition-all"
              @click="isDigitalSelectorOpen = true"
            >
              <div
                class="w-12 aspect-square border dark:border-neutral-700 rounded-md flex justify-center items-center overflow-hidden"
              >
                <UIcon
                  v-if="!selected_digital_human"
                  class="text-2xl opacity-50"
                  name="i-tabler-user-screen"
                />
                <NuxtImg
                  v-else
                  :src="selected_digital_human?.avatar"
                />
              </div>
              <div class="flex flex-col text-neutral-400 text-sm font-medium">
                <span
                  :class="!!selected_digital_human ? 'text-neutral-600' : ''"
                >
                  {{ selected_digital_human?.name || '点击选择数字人' }}
                </span>
                <span
                  v-if="selected_digital_human?.description"
                  class="text-2xs"
                >
                  {{ selected_digital_human?.description }}
                </span>
              </div>
            </div>
          </UFormGroup>
          <UFormGroup
            label="视频片头片尾"
            name="opening"
          >
            <div
              :class="{ 'shadow-inner': !!selected_titles }"
              class="flex items-center gap-2 bg-neutral-100 dark:bg-neutral-800 p-2 rounded-md cursor-pointer select-none transition-all"
              @click="isTitlesSelectorOpen = true"
            >
              <div
                class="w-12 aspect-square border dark:border-neutral-700 rounded-md flex justify-center items-center overflow-hidden"
              >
                <UIcon
                  v-if="!selected_titles"
                  class="text-2xl opacity-50"
                  name="i-tabler-brackets-contain"
                />
                <NuxtImg
                  v-else
                  :src="selected_titles?.opening_url"
                />
              </div>
              <div class="flex flex-col text-neutral-400 text-sm font-medium">
                <span :class="!!selected_titles ? 'text-neutral-600' : ''">
                  {{ selected_titles?.title || '点击选择片头' }}
                </span>
                <span
                  v-if="selected_titles?.description"
                  class="text-2xs"
                >
                  {{ selected_titles?.description }}
                </span>
              </div>
            </div>
          </UFormGroup>
          <!-- <UFormGroup label="视频片头片尾" name="opening">
            <div
              class="flex items-center gap-2 bg-neutral-100 dark:bg-neutral-800 p-2 rounded-md cursor-pointer select-none transition-all"
            >
              <div
                class="w-12 aspect-square border dark:border-neutral-700 rounded-md flex justify-center items-center">
                <UIcon class="text-2xl opacity-50" name="i-tabler-brackets-contain"/>
              </div>
              <div class="flex flex-col text-neutral-400 text-sm font-medium">
                <span>点击选择</span>
              </div>
            </div>
          </UFormGroup> -->
        </div>

        <UFormGroup
          label="PPT 文件"
          required
        >
          <template #help>
            <p class="text-xs text-neutral-400">仅支持 .pptx 格式</p>
          </template>
          <FileDnD
            accept="application/vnd.openxmlformats-officedocument.presentationml.presentation"
            @change="(file) => (selected_file = file)"
          />
        </UFormGroup>

        <UAccordion
          :items="[{ label: '高级选项' }]"
          color="gray"
          size="lg"
        >
          <template #item>
            <div
              class="border dark:border-neutral-700 rounded-lg space-y-4 p-4 pb-6"
            >
              <UFormGroup
                label="生成线路"
                name="gen_server"
              >
                <USelectMenu
                  v-model="createCourseState.gen_server"
                  :options="[
                    {
                      label: '主线路',
                      value: 'main',
                    },
                    {
                      label: '备用线路',
                      value: 'standby1',
                    },
                  ]"
                  option-attribute="label"
                  value-attribute="value"
                />
              </UFormGroup>
              <UFormGroup
                :label="`视频倍速：${createCourseState.speed}`"
                name="speed"
              >
                <URange
                  v-model="createCourseState.speed"
                  :max="1.5"
                  :min="0.5"
                  :step="0.1"
                  class="pt-4"
                  size="sm"
                />
              </UFormGroup>
            </div>
          </template>
        </UAccordion>
      </UForm>

      <template #footer>
        <div class="flex justify-end space-x-4">
          <UButton
            color="gray"
            label="取消"
            size="lg"
            variant="ghost"
            @click="slide.close()"
          />
          <UButton
            :loading="creationPending"
            color="primary"
            label="提交"
            size="lg"
            variant="solid"
            @click="creationForm?.submit()"
          />
        </div>
      </template>
    </UCard>
    <ModalDigitalHumanSelect
      :is-open="isDigitalSelectorOpen"
      @close="isDigitalSelectorOpen = false"
      @select="digitalHumans => {
        selected_digital_human = (digitalHumans as DigitalHumanItem)
      }"
    />
    <ModalVideoTitleSelect
      :is-open="isTitlesSelectorOpen"
      @close="isTitlesSelectorOpen = false"
      @select="titles => {
        selected_titles = (titles as TitlesTemplate)
      }"
    />
  </USlideover>
</template>

<style scoped></style>
