<template>
  <div class="hit-test p-16-24">
    <h4>
      {{ $t('views.application.hitTest.title') }}
      <el-text type="info" class="ml-4"> {{ $t('views.application.hitTest.text') }}</el-text>
    </h4>
    <el-card
      style="--el-card-padding: 0"
      class="hit-test__main p-16 mt-16 mb-16"
      v-loading="loading"
    >
      <div class="question-title" :style="{ visibility: questionTitle ? 'visible' : 'hidden' }">
        <div class="avatar">
          <el-avatar>
            <img src="@/assets/user-icon.svg" style="width: 54%" alt="" />
          </el-avatar>
        </div>
        <div class="content ml-12">
          <h4 class="text break-all">{{ questionTitle }}</h4>
        </div>
      </div>
      <el-scrollbar>
        <div class="hit-test-height">
          <el-empty
            v-if="first"
            :image="emptyImg"
            :description="$t('views.application.hitTest.emptyMessage1')"
            style="padding-top: 160px"
            :image-size="125"
          />
          <el-empty
            v-else-if="paragraphDetail.length == 0"
            :description="$t('views.application.hitTest.emptyMessage2')"
            style="padding-top: 160px"
            :image-size="125"
          />
          <el-row v-else>
            <el-col
              :xs="24"
              :sm="12"
              :md="12"
              :lg="8"
              :xl="6"
              v-for="(item, index) in paragraphDetail"
              :key="index"
              class="p-8"
            >
              <CardBox
                shadow="hover"
                :title="item.title || '-'"
                :description="item.content"
                class="document-card layout-bg layout-bg cursor"
                :class="item.is_active ? '' : 'disabled'"
                @click="editParagraph(item)"
              >
                <template #icon>
                  <el-avatar class="avatar-light" :size="22"> {{ index + 1 + '' }}</el-avatar>
                </template>
                <template #tag>
                  <div class="primary">{{ item.similarity?.toFixed(3) }}</div>
                </template>
                <template #footer>
                  <div class="footer-content flex-between">
                    <el-text>
                      <el-icon>
                        <Document />
                      </el-icon>
                      {{ item?.document_name }}
                    </el-text>
                    <div v-if="item.trample_num || item.star_num">
                      <span v-if="item.star_num">
                        <AppIcon iconName="app-like-color"></AppIcon>
                        {{ item.star_num }}
                      </span>
                      <span v-if="item.trample_num" class="ml-4">
                        <AppIcon iconName="app-oppose-color"></AppIcon>
                        {{ item.trample_num }}
                      </span>
                    </div>
                  </div>
                </template>
              </CardBox>
            </el-col>
          </el-row>
        </div>
      </el-scrollbar>
    </el-card>
    <ParagraphDialog
      ref="ParagraphDialogRef"
      :title="title"
      @refresh="refresh"
      :apiType="apiType"
    />

    <div class="hit-test__operate">
      <el-popover :visible="popoverVisible" placement="right-end" :width="500" trigger="click">
        <template #reference>
          <el-button icon="Setting" class="mb-8" @click="settingChange('open')">{{
            $t('common.paramSetting')
          }}</el-button>
        </template>
        <div class="mb-16">
          <div class="title mb-8">
            {{ $t('views.application.dialog.selectSearchMode') }}
          </div>
          <el-radio-group
            v-model="cloneForm.search_mode"
            class="card__radio"
            @change="changeHandle"
          >
            <el-card
              shadow="never"
              class="mb-16"
              :class="cloneForm.search_mode === 'embedding' ? 'active' : ''"
            >
              <el-radio value="embedding" size="large">
                <p class="mb-4">
                  {{ $t('views.application.dialog.vectorSearch') }}
                </p>
                <el-text type="info">{{
                  $t('views.application.dialog.vectorSearchTooltip')
                }}</el-text>
              </el-radio>
            </el-card>
            <el-card
              shadow="never"
              class="mb-16"
              :class="cloneForm.search_mode === 'keywords' ? 'active' : ''"
            >
              <el-radio value="keywords" size="large">
                <p class="mb-4">
                  {{ $t('views.application.dialog.fullTextSearch') }}
                </p>
                <el-text type="info">{{
                  $t('views.application.dialog.fullTextSearchTooltip')
                }}</el-text>
              </el-radio>
            </el-card>
            <el-card
              shadow="never"
              class="mb-16"
              :class="cloneForm.search_mode === 'blend' ? 'active' : ''"
            >
              <el-radio value="blend" size="large">
                <p class="mb-4">
                  {{ $t('views.application.dialog.hybridSearch') }}
                </p>
                <el-text type="info">{{
                  $t('views.application.dialog.hybridSearchTooltip')
                }}</el-text>
              </el-radio>
            </el-card>
          </el-radio-group>
        </div>
        <el-row :gutter="20">
          <el-col :span="12">
            <div class="mb-16">
              <div class="title mb-8">
                {{ $t('views.application.dialog.similarityThreshold') }}
              </div>
              <el-input-number
                v-model="cloneForm.similarity"
                :min="0"
                :max="cloneForm.search_mode === 'blend' ? 2 : 1"
                :precision="3"
                :step="0.1"
                :value-on-clear="0"
                controls-position="right"
                class="w-full"
              />
            </div>
          </el-col>
          <el-col :span="12">
            <div class="mb-16">
              <div class="title mb-8">
                {{ $t('views.application.dialog.topReferences') }}
              </div>
              <el-input-number
                v-model="cloneForm.top_number"
                :min="1"
                :max="10000"
                controls-position="right"
                class="w-full"
              />
            </div>
          </el-col>
        </el-row>

        <div class="text-right">
          <el-button @click="popoverVisible = false">{{ $t('common.cancel') }}</el-button>
          <el-button type="primary" @click="settingChange('close')">{{
            $t('common.confirm')
          }}</el-button>
        </div>
      </el-popover>
      <div class="operate-textarea flex">
        <el-input
          ref="quickInputRef"
          v-model="inputValue"
          type="textarea"
          :placeholder="$t('common.inputPlaceholder')"
          :autosize="{ minRows: 1, maxRows: 8 }"
          @keydown.enter="sendChatHandle($event)"
        />
        <div class="operate">
          <el-button
            v-if="! route.path.includes('share/')"
            text
            class="sent-button"
            :disabled="isDisabledChart || loading"
            @click="sendChatHandle"
          >
            <img v-show="isDisabledChart || loading" src="@/assets/icon_send.svg" alt="" />
            <img
              v-show="!isDisabledChart && !loading"
              src="@/assets/icon_send_colorful.svg"
              alt=""
            />
          </el-button>
        </div>
      </div>
    </div>
  </div>
</template>
<script setup lang="ts">
import { nextTick, ref, onMounted, computed } from 'vue'
import { useRoute } from 'vue-router'
import { cloneDeep } from 'lodash'
import ParagraphDialog from '@/views/paragraph/component/ParagraphDialog.vue'
import { arraySort } from '@/utils/array'
import emptyImg from '@/assets/hit-test-empty.png'
import { t } from '@/locales'
import { loadSharedApi } from '@/utils/dynamics-api/shared-api'
const route = useRoute()
const {
  params: { id },
} = route as any
const apiType = computed(() => {
  if (route.path.includes('shared')) {
    return 'systemShare'
  } else if (route.path.includes('resource-management')) {
    return 'systemManage'
  } else {
    return 'workspace'
  }
})
const quickInputRef = ref()
const ParagraphDialogRef = ref()
const loading = ref(false)
const paragraphDetail = ref<any[]>([])
const title = ref('')
const inputValue = ref('')
const formInline = ref({
  similarity: 0.6,
  top_number: 5,
  search_mode: 'embedding',
})

// 第一次加载
const first = ref(true)

const cloneForm = ref<any>({})

const popoverVisible = ref(false)
const questionTitle = ref('')

const isDisabledChart = computed(() => !inputValue.value)

function changeHandle(val: string) {
  if (val === 'keywords') {
    cloneForm.value.similarity = 0
  } else {
    cloneForm.value.similarity = 0.6
  }
}

function settingChange(val: string) {
  if (val === 'open') {
    popoverVisible.value = true
    cloneForm.value = cloneDeep(formInline.value)
  } else if (val === 'close') {
    popoverVisible.value = false
    formInline.value = cloneDeep(cloneForm.value)
  }
}

function editParagraph(row: any) {
  title.value = t('views.paragraph.paragraphDetail')
  ParagraphDialogRef.value.open(row)
}

function sendChatHandle(event: any) {
  if (!event?.ctrlKey && !event?.shiftKey && !event?.altKey && !event?.metaKey) {
    // 如果没有按下组合键，则会阻止默认事件
    event.preventDefault()
    if (!isDisabledChart.value && !loading.value) {
      getHitTestList()
    }
  } else {
    // 如果同时按下ctrl/shift/cmd/opt +enter，则会换行
    insertNewlineAtCursor(event)
  }
}
const insertNewlineAtCursor = (event?: any) => {
  const textarea = quickInputRef.value.$el.querySelector(
    '.el-textarea__inner',
  ) as HTMLTextAreaElement
  const startPos = textarea.selectionStart
  const endPos = textarea.selectionEnd
  // 阻止默认行为（避免额外的换行符）
  event.preventDefault()
  // 在光标处插入换行符
  inputValue.value = inputValue.value.slice(0, startPos) + '\n' + inputValue.value.slice(endPos)
  nextTick(() => {
    textarea.setSelectionRange(startPos + 1, startPos + 1) // 光标定位到换行后位置
  })
}

function getHitTestList() {
  const obj = {
    query_text: inputValue.value,
    ...formInline.value,
  }
  loadSharedApi({ type: 'knowledge', systemType: apiType.value })
    .putKnowledgeHitTest(id, obj, loading)
    .then((res: any) => {
      paragraphDetail.value = res.data && arraySort(res.data, 'comprehensive_score', true)
      questionTitle.value = inputValue.value
      inputValue.value = ''
      first.value = false
    })
}

function refresh(data: any) {
  if (data) {
    const obj = paragraphDetail.value.filter((v) => v.id === data.id)[0]
    obj.content = data.content
    obj.title = data.title
  } else {
    paragraphDetail.value = []
    getHitTestList()
  }
}

onMounted(() => {})
</script>
<style lang="scss" scoped>
.hit-test {
  .question-title {
    .avatar {
      float: left;
    }
    .content {
      padding-left: 40px;
      .text {
        padding: 6px 0;
        height: 34px;
        box-sizing: border-box;
      }
    }
  }

  &__operate {
    .operate-textarea {
      box-shadow: 0px 6px 24px 0px rgba(31, 35, 41, 0.08);
      background-color: #ffffff;
      border-radius: 8px;
      border: 1px solid #ffffff;
      box-sizing: border-box;

      &:has(.el-textarea__inner:focus) {
        border: 1px solid var(--el-color-primary);
      }

      :deep(.el-textarea__inner) {
        border-radius: 8px !important;
        box-shadow: none;
        resize: none;
        padding: 12px 16px;
      }
      .operate {
        padding: 6px 10px;
        .sent-button {
          max-height: none;
          .el-icon {
            font-size: 24px;
          }
        }
        :deep(.el-loading-spinner) {
          margin-top: -15px;
          .circular {
            width: 31px;
            height: 31px;
          }
        }
      }
    }
  }
}
.hit-test {
  &__header {
    position: absolute;
    right: calc(var(--app-base-px) * 3);
  }

  .hit-test-height {
    height: calc(100vh - 300px);
  }
  .document-card {
    height: 210px;
    border: 1px solid var(--app-layout-bg-color);
    &:hover {
      background: #ffffff;
      border: 1px solid var(--el-border-color);
    }
    &.disabled {
      background: var(--app-layout-bg-color);
      border: 1px solid var(--app-layout-bg-color);
      :deep(.description) {
        color: var(--app-border-color-dark);
      }
      :deep(.title) {
        color: var(--app-border-color-dark);
      }
    }
    :deep(.description) {
      -webkit-line-clamp: 5 !important;
      height: 110px;
    }
  }
}
</style>
