<script setup lang="ts">
import type {Assistant} from '~/typings/llm'
import {useLazyAsyncData} from '#app'

const loginState = useLoginState()

const props = defineProps({
  nonBack: {
    type: Boolean,
    default: false,
  },
})
const emit = defineEmits({
  select: (assistant: Assistant | null) => true,
  cancel: () => true,
})

const {
  data: assistantTemplates,
  pending: assistantTemplatesPending,
} = await useLazyAsyncData(
    'App.Assistant_Template.GetList',
    () => useFetchWrapped<
        req.AssistantTemplateList & AuthedRequest, BaseResponse<PagedData<Assistant>>
    >('App.Assistant_Template.GetList', {
      user_id: loginState.user.id,
      token: loginState.token as string,
      page: 1,
      perpage: 20,
    }), {
      server: false,
    },
)
</script>

<template>
  <div class="w-full h-full flex flex-col items-center gap-4 relative">
    <Transition name="loading-screen">
      <div v-if="assistantTemplatesPending"
           class="absolute inset-0 bg-white dark:bg-neutral-900 flex justify-center items-center z-[1] text-primary">
        <svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 24 24">
          <defs>
            <filter id="svgSpinnersGooeyBalls20">
              <feGaussianBlur in="SourceGraphic" result="y" stdDeviation="1"/>
              <feColorMatrix in="y" result="z" values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 18 -7"/>
              <feBlend in="SourceGraphic" in2="z"/>
            </filter>
          </defs>
          <g filter="url(#svgSpinnersGooeyBalls20)">
            <circle cx="5" cy="12" r="4" fill="currentColor">
              <animate attributeName="cx" calcMode="spline" dur="2s" keySplines=".36,.62,.43,.99;.79,0,.58,.57"
                       repeatCount="indefinite" values="5;8;5"/>
            </circle>
            <circle cx="19" cy="12" r="4" fill="currentColor">
              <animate attributeName="cx" calcMode="spline" dur="2s" keySplines=".36,.62,.43,.99;.79,0,.58,.57"
                       repeatCount="indefinite" values="19;16;19"/>
            </circle>
            <animateTransform attributeName="transform" dur="0.75s" repeatCount="indefinite" type="rotate"
                              values="0 12 12;360 12 12"/>
          </g>
        </svg>
      </div>
    </Transition>
    <div class="w-full p-2">
      <UButton
          v-if="!nonBack"
          variant="ghost"
          size="xs"
          @click="emit('cancel')"
      >
        <template #leading>
          <UIcon name="i-tabler-chevron-left"/>
        </template>
        <span>返回</span>
      </UButton>
    </div>
    <div class="flex flex-col items-center gap-8">
      <h1 class="text-lg font-medium flex flex-col items-center gap-2">
        <svg xmlns="http://www.w3.org/2000/svg" width="2em" height="2em" viewBox="0 0 24 24">
          <g fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2">
            <path
                d="M13.192 9h6.616a2 2 0 0 1 1.992 2.183l-.567 6.182A4 4 0 0 1 17.25 21h-1.5a4 4 0 0 1-3.983-3.635l-.567-6.182A2 2 0 0 1 13.192 9M15 13h.01M18 13h.01"/>
            <path
                d="M15 16.5c1 .667 2 .667 3 0m-9.368-.518A4.037 4.037 0 0 1 8.25 16h-1.5a4 4 0 0 1-3.983-3.635L2.2 6.183A2 2 0 0 1 4.192 4h6.616a2 2 0 0 1 2 2M6 8h.01M9 8h.01"/>
            <path d="M6 12c.764-.51 1.528-.63 2.291-.36"/>
          </g>
        </svg>
        <span>选择智能助手</span>
      </h1>
      <UButton
          class="group ring-primary hover:ring-2 transition duration-300"
          variant="soft"
          size="lg"
          :ui="{ rounded: 'rounded-full' }"
          @click="emit('select', null)"
      >
        <span class="-mt-0.5">直接开始</span>
        <template #trailing>
          <span class="group-hover:translate-x-1 transition duration-300 ease-out relative w-3 h-full -mt-0.5">
            <UIcon
                name="i-tabler-arrow-right"
                class="w-5 h-5 absolute top-auto bottom-auto right-0 opacity-0 group-hover:opacity-100 transition duration-300"
            />
            <UIcon
                name="i-tabler-chevron-right"
                class="w-5 h-5 absolute top-auto bottom-auto right-0 -mr-[3.5px] group-hover:opacity-0 transition duration-300"
            />
          </span>
        </template>
      </UButton>
    </div>
    <div
        class="w-full md:w-3/4 grid grid-cols-1 md:grid-cols-2 xl:grid-cols-3 gap-4 overflow-y-auto p-4 md:p-8"
    >

      <div
          v-for="assistant in assistantTemplates?.data.items || []"
          :key="assistant.id"
          class="assistant-item select-none"
          @click="emit('select', assistant)"
      >
        <div class="flex flex-col gap-1">
          <div class="text-base font-medium">{{ assistant.tpl_name }}</div>
          <div class="text-sm text-neutral-500 dark:text-neutral-400">{{ assistant.des }}</div>
        </div>
      </div>

    </div>
  </div>
</template>

<style scoped>
.loading-screen-leave-active {
  @apply transition duration-300;
}

.loading-screen-leave-to {
  @apply opacity-0;
}

.assistant-item {
  @apply w-full bg-white dark:bg-neutral-800 rounded-lg shadow-sm ring-primary ring-offset-2 dark:ring-offset-0 hover:ring-2 transition;
  @apply flex items-center gap-4 px-4 py-2 cursor-pointer border dark:border-neutral-700 hover:border-transparent;
}
</style>