<template>
  <el-tab-pane name="image">
    <template #label>
      <el-row align="middle"><Icon icon="ep:picture" class="mr-5px" /> 图片</el-row>
    </template>
    <!-- 情况一：已经选择好素材、或者上传好图片 -->
    <div class="select-item" v-if="objData.url">
      <img class="material-img" :src="objData.url" />
      <p class="item-name" v-if="objData.name">{{ objData.name }}</p>
      <el-row class="ope-row" justify="center">
        <el-button type="danger" circle @click="onDelete">
          <Icon icon="ep:delete" />
        </el-button>
      </el-row>
    </div>
    <!-- 情况二：未做完上述操作 -->
    <el-row v-else style="text-align: center" align="middle">
      <!-- 选择素材 -->
      <el-col :span="12" class="col-select">
        <el-button type="success" @click="showDialog = true">
          素材库选择 <Icon icon="ep:circle-check" />
        </el-button>
        <el-dialog
          title="选择图片"
          v-model="showDialog"
          width="90%"
          append-to-body
          destroy-on-close
        >
          <WxMaterialSelect :objData="objData" @select-material="selectMaterial" />
        </el-dialog>
      </el-col>
      <!-- 文件上传 -->
      <el-col :span="12" class="col-add">
        <el-upload
          :action="UPLOAD_URL"
          :headers="HEADERS"
          multiple
          :limit="1"
          :file-list="fileList"
          :data="uploadData"
          :before-upload="beforeImageUpload"
          :on-success="onUploadSuccess"
        >
          <el-button type="primary">上传图片</el-button>
          <template #tip>
            <span>
              <div class="el-upload__tip">支持 bmp/png/jpeg/jpg/gif 格式，大小不超过 2M</div>
            </span>
          </template>
        </el-upload>
      </el-col>
    </el-row>
  </el-tab-pane>
</template>

<script setup lang="ts">
import WxMaterialSelect from '@/views/mp/components/wx-material-select/main.vue'
import { MaterialType, useBeforeUpload } from '@/views/mp/hooks/useUpload'
import type { UploadRawFile } from 'element-plus'
import { getAccessToken } from '@/utils/auth'
import { ObjData } from './types'

const message = useMessage()

const UPLOAD_URL = import.meta.env.VITE_API_BASEPATH + '/admin-api/mp/material/upload-temporary'
const HEADERS = { Authorization: 'Bearer ' + getAccessToken() } // 设置上传的请求头部

const props = defineProps<{
  modelValue: ObjData
}>()
const emit = defineEmits<{
  (e: 'update:modelValue', v: ObjData)
}>()
const objData = computed<ObjData>({
  get: () => props.modelValue,
  set: (val) => emit('update:modelValue', val)
})

const showDialog = ref(false)
const fileList = ref([])
const uploadData = reactive({
  accountId: objData.value.accountId,
  type: 'image',
  title: '',
  introduction: ''
})

const beforeImageUpload = (rawFile: UploadRawFile) =>
  useBeforeUpload(MaterialType.Image, 2)(rawFile)

const onUploadSuccess = (res: any) => {
  if (res.code !== 0) {
    message.error('上传出错：' + res.msg)
    return false
  }

  // 清空上传时的各种数据
  fileList.value = []
  uploadData.title = ''
  uploadData.introduction = ''

  // 上传好的文件，本质是个素材，所以可以进行选中
  selectMaterial(res.data)
}

const onDelete = () => {
  objData.value.mediaId = null
  objData.value.url = null
  objData.value.name = null
}

const selectMaterial = (item) => {
  showDialog.value = false

  objData.value.type = 'image'
  objData.value.mediaId = item.mediaId
  objData.value.url = item.url
  objData.value.name = item.name
}
</script>

<style lang="scss" scoped>
.select-item {
  width: 280px;
  padding: 10px;
  margin: 0 auto 10px auto;
  border: 1px solid #eaeaea;

  .material-img {
    width: 100%;
  }

  .item-name {
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;

    .item-infos {
      width: 30%;
      margin: auto;
    }

    .ope-row {
      padding-top: 10px;
      text-align: center;
    }
  }

  .col-select {
    border: 1px solid rgb(234, 234, 234);
    padding: 50px 0px;
    height: 160px;
    width: 49.5%;
  }

  .col-add {
    border: 1px solid rgb(234, 234, 234);
    padding: 50px 0px;
    height: 160px;
    width: 49.5%;
    float: right;

    .el-upload__tip {
      line-height: 18px;
      text-align: center;
    }
  }
}
</style>
