<template>
  <div>
    <!-- <div
      v-if="!!question.GroupName && (questionForm[question.ParentId] === question.ParentTriggerValue) || question.ParentId===''||question.ParentId===null"
      style="font-weight: bold;font-size: 16px;margin: 5px 0px;"
    >
      {{ question.GroupName }}
    </div> -->
    <div
      v-if="!!question.GroupName && question.Type==='group'"
    >
      <h4 style="color: #ddd;padding: 5px 0px;margin: 0;">
        {{ question.GroupName }}
      </h4>
    </div>
    <template v-else>
      <el-form-item
        v-if="(question.ShowQuestion===1 && questionForm[question.ParentId] === question.ParentTriggerValue) || question.ShowQuestion===0"
        :label="`${question.QuestionName}`"
        :prop="question.Id"
        :rules="[
          { required: (question.IsRequired === 0 || (question.IsRequired ===1 && question.RelevanceId && (questionForm[question.RelevanceId] === question.RelevanceValue))) && question.Type!=='group' && question.Type!=='summary',
            message: '请注明', trigger: ['blur', 'change']},
        ]"
        :class="[question.Type==='group'?'mb':question.Type==='upload'?'uploadWrapper':'']"
      >

        <!-- 输入框 -->
        <el-input
          v-if="question.Type==='input'"
          v-model="questionForm[question.Id]"
          :disabled="readingTaskState >= 2"
        />
        <!-- 多行文本输入框 -->
        <el-input
          v-if="question.Type==='textarea'"
          v-model="questionForm[question.Id]"
          type="textarea"
          :autosize="{ minRows: 2, maxRows: 4}"
          :disabled="readingTaskState >= 2"
        />
        <!-- 下拉框 -->
        <el-select
          v-if="question.Type==='select'"
          v-model="questionForm[question.Id]"
          :disabled="readingTaskState >= 2 || ((question.TableQuestionType === 2 || question.QuestionGenre === 2) && !!question.DictionaryCode)"
          clearable
          @change="((val)=>{formItemChange(val, question)})"
        >
          <!-- <el-option
            v-for="val in question.TypeValue.split('|')"
            :key="val"
            :label="val"
            :value="val"
          /> -->
          <template v-if="question.TableQuestionType === 1">
            <el-option
              v-for="item in organList"
              :key="item.Id"
              :label="item[question.DataTableColumn]"
              :value="item[question.DataTableColumn]"
            />
          </template>
          <template v-else-if="question.TableQuestionType === 3 || question.QuestionGenre === 3">
            <el-option
              v-for="item of $d[question.DictionaryCode]"
              :key="item.id"
              :value="item.value"
              :label="item.label"
            />
          </template>
          <template v-else-if="(question.TableQuestionType === 2 || question.QuestionGenre === 2) && question.DictionaryCode">
            <el-option
              v-for="item of $d[question.DictionaryCode]"
              :key="item.id"
              :value="item.value"
              :label="item.label"
            />
          </template>
          <template v-else>
            <el-option
              v-for="val in question.TypeValue.split('|')"
              :key="val"
              :label="val"
              :value="val"
            />
          </template>
        </el-select>
        <!-- 单选 -->
        <el-radio-group
          v-if="question.Type==='radio'"
          v-model="questionForm[question.Id]"
          :disabled="readingTaskState >= 2"
          @change="((val)=>{formItemChange(val, question)})"
        >
          <el-radio
            v-for="val in question.TypeValue.split('|')"
            :key="val"
            :label="val"
          >
            {{ val }}
          </el-radio>
        </el-radio-group>
        <!-- 复选框 -->
        <el-checkbox-group
          v-if="question.Type==='checkbox'"
          v-model="questionForm[question.Id]"
          :disabled="readingTaskState >= 2"
        >
          <el-checkbox
            v-for="val in question.TypeValue.split('|')"
            :key="val"
            :label="val"
          >
            {{ val }}
          </el-checkbox>
        </el-checkbox-group>
        <!-- 数值 -->
        <!-- :precision="2" :step="0.1" :max="10" -->
        <el-input-number
          v-if="question.Type==='number'"
          v-model="questionForm[question.Id]"
          :disabled="readingTaskState >= 2"
        />
        <!-- 上传图像 -->
        <el-upload
          v-if="question.Type==='upload'"
          action
          :accept="accept"
          :limit="question.ImageCount"
          :on-preview="handlePictureCardPreview"
          :before-upload="handleBeforeUpload"
          :http-request="uploadScreenshot"
          list-type="picture-card"
          :on-remove="handleRemove"
          :file-list="fileList"
          :class="{disabled:fileList.length >= question.ImageCount}"
          :disabled="readingTaskState >= 2"
        >
          <i slot="default" class="el-icon-plus" />
          <div slot="file" slot-scope="{file}">
            <viewer
              :ref="file.url"
              :images="[imageUrl]"
              style="
                display: flex;
                align-items: center;
                justify-content: center;
                width: 100%;
                height: 100%;
              "
            >
              <img
                class="el-upload-list__item-thumbnail"
                :src="OSSclientConfig.basePath + file.url"
                crossOrigin="anonymous"
                alt=""
                style="max-width: 100%; max-height: 100%"
              />
              <span class="el-upload-list__item-actions">
                <span
                  class="el-upload-list__item-preview"
                  @click="handlePictureCardPreview(file)"
                >
                  <i class="el-icon-zoom-in" />
                </span>

                <span
                  v-if="readingTaskState < 2"
                  class="el-upload-list__item-delete"
                  @click="handleRemove(file)"
                >
                  <i class="el-icon-delete" />
                </span>
              </span>
            </viewer>
          </div>
        </el-upload>
        <el-dialog
          v-if="question.Type==='upload'"
          append-to-body
          :visible.sync="imgVisible"
          width="600px"
        >
          <el-image :src="imageUrl" width="100%">
            <div slot="placeholder" class="image-slot">
              加载中<span class="dot">...</span>
            </div>
          </el-image>
        </el-dialog>
      </el-form-item>
    </template>

    <QuestionItem
      v-for="(item) in question.Childrens"
      :key="item.Id"
      :question="item"
      :reading-task-state="readingTaskState"
      :question-form="questionForm"
      :visit-task-id="visitTaskId"
      @setFormItemData="setFormItemData"
      @resetFormItemData="resetFormItemData"
    />
  </div>
</template>
<script>
import { uploadReadingAnswerImage } from '@/api/trials'
export default {
  name: 'QuestionItem',
  props: {
    questionForm: {
      type: Object,
      default() {
        return {}
      }
    },
    question: {
      type: Object,
      default() {
        return []
      }
    },
    readingTaskState: {
      type: Number,
      required: true
    },
    visitTaskId: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      fileList: [],
      accept: '.png,.jpg,.jpeg',
      imgVisible: false,
      imageUrl: '',
      urls: []
    }
  },
  watch: {
    questionForm: {
      deep: true,
      immediate: true,
      handler(v) {
        // console.log(v)
      }
    }
  },
  mounted() {
    if (this.question.Type === 'upload') {
      if (this.questionForm[this.question.Id]) {
        this.accept = this.question.Accept
        this.urls = this.questionForm[this.question.Id].split('|')
        this.fileList = []
        this.urls.map(url => {
          this.fileList.push({ name: '', url: `/api/${url}` })
        })
      }
    }
  },
  methods: {
    formItemChange(v, question) {
      if (question.Childrens.length > 0) {
        this.resetChild(question.Childrens)
      }
    },
    resetChild(obj) {
      obj.forEach(i => {
        this.$emit('resetFormItemData', i.Id)
        if (i.Childrens && i.Childrens.length > 0) {
          this.resetChild(i.Childrens)
        }
      })
    },
    resetFormItemData(v) {
      this.$emit('resetFormItemData', v)
    },
    setFormItemData(obj) {
      this.$emit('setFormItemData', obj)
    },
    async uploadScreenshot(param) {
      if (!this.visitTaskId) return
      const loading = this.$loading({
        target: document.querySelector('.el-button'),
        fullscreen: false,
        lock: true,
        spinner: 'el-icon-loading'
      })
      var file = await this.fileToBlob(param.file)
      const res = await this.OSSclient.put(`/${this.trialId}/ReadAttachment/${this.subjectId}/${this.visitTaskId}/${param.file.name}`, file)
      this.fileList.push({ name: param.file.name, url: this.$getObjectName(res.url) })
      this.urls.push(this.$getObjectName(res.url))
      this.$emit('setFormItemData', { key: this.question.Id, val: this.urls.length > 0 ? this.urls.join('|') : '', question: this.question })
      loading.close()
    },
    handleBeforeUpload(file) {
      // 检测文件类型是否符合要求
      if (this.checkFileSuffix(file.name)) {
        // this.fileList = []
        return true
      } else {
        const msg = this.$t('trials:adReview:title:msg4').replace('xxx', this.accept)
        this.$alert(msg)
        return false
      }
    },
    checkFileSuffix(fileName) {
      console.log(this.accept)
      var index = fileName.lastIndexOf('.')
      var suffix = fileName.substring(index + 1, fileName.length)
      if (this.accept.toLocaleLowerCase().search(suffix.toLocaleLowerCase()) === -1) {
        return false
      } else {
        return true
      }
    },
    // 预览图片
    handlePictureCardPreview(file) {
      var suffix = file.url.substring(file.url.lastIndexOf(".")+1)
      suffix = suffix ? suffix.toLowerCase() : ''
      if (suffix === 'doc' || suffix === 'docx' || suffix === 'pdf'){
        window.open(this.OSSclientConfig.basePath + file.url,'_blank')
      }else{
        this.imageUrl = this.OSSclientConfig.basePath + file.url
        this.$refs[file.url].$viewer.show();
      }
    },
    // 删除图片
    handleRemove(file, fileList) {
      this.imageUrl = ''
      this.fileList.splice(this.fileList.findIndex(f => f.url === file.url), 1)
      this.urls.splice(this.fileList.findIndex(f => f === file.url), 1)
      this.$emit('setFormItemData', { key: this.question.Id, val: this.urls.length > 0 ? this.urls.join('|') : '', question: this.question })
    }
  }
}
</script>
<style lang="scss" scoped>
.mb{
  margin-bottom: 0px;
}
.disabled{
  /deep/ .el-upload--picture-card {
    display: none;
  }
}
.uploadWrapper{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
/deep/ .el-input.is-disabled .el-input__inner{
    background-color: #646464a1;
  }
  /deep/ .el-select.is-disabled .el-input__inner{
    background-color: #646464a1;
  }
</style>
