<template>
  <el-dialog
    class="page-dialog"
    :visible.sync="modalIsShow"
    top="0"
    :close-on-click-modal="false"
    :close-on-press-escape="false"
    :show-close="false"
    append-to-body
    fullscreen
    @open="search"
  >
    <div slot="title">
      <h2 class="el-dialog__title">签到表详情</h2>
      <span
        >课程名称：{{ instance.courseName }}（{{ instance.courseCode }}）</span
      >
      <span>试卷编号：{{ instance.paperNumber }}</span>
      <button class="el-dialog__headerbtn" @click="cancel"></button>
    </div>

    <div class="part-box part-box-filter part-box-flex">
      <el-form ref="FilterForm" label-position="left" label-width="85px" inline>
        <el-form-item label="签到表编号">
          <el-input
            v-model.trim="filter.packageCode"
            placeholder="签到表编号"
            clearable
          >
          </el-input>
        </el-form-item>
        <el-form-item label-width="0px">
          <el-button type="primary" @click="search">查询</el-button>
        </el-form-item>
      </el-form>
    </div>

    <div class="part-box part-box-pad">
      <el-table ref="TableList" :data="dataList">
        <el-table-column
          type="index"
          label="序号"
          width="70"
          :index="indexMethod"
        ></el-table-column>
        <el-table-column prop="packageCode" label="签到表编号">
        </el-table-column>
        <el-table-column prop="count" label="图片数量"></el-table-column>
        <el-table-column
          class-name="action-column"
          label="操作"
          width="120"
          fixed="right"
        >
          <template slot-scope="scope">
            <el-button
              class="btn-primary"
              type="text"
              @click="toViewSheetPaper(scope.row)"
              >查看</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <div class="part-page">
        <el-pagination
          background
          layout="total, sizes, prev, pager, next, jumper"
          :pager-count="5"
          :current-page="current"
          :total="total"
          :page-size="size"
          @current-change="toPage"
          @size-change="pageSizeChange"
        >
        </el-pagination>
      </div>
    </div>

    <!-- image-preview -->
    <simple-image-preview
      :cur-image="curImage"
      @on-prev="toPrevImage"
      @on-next="toNextImage"
      ref="SimpleImagePreview"
    ></simple-image-preview>

    <div slot="footer"></div>
  </el-dialog>
</template>

<script>
import { packageListPage } from "../api";
import SimpleImagePreview from "@/components/SimpleImagePreview";

export default {
  name: "score-check-sign",
  components: { SimpleImagePreview },
  props: {
    instance: {
      type: Object,
      default() {
        return {};
      },
    },
  },
  data() {
    return {
      modalIsShow: false,
      filter: {
        packageCode: "",
      },
      current: 1,
      size: this.GLOBAL.pageSize,
      total: 0,
      dataList: [],
      // img view
      curImage: {},
      curImageIndex: 0,
      imageList: [],
    };
  },
  methods: {
    cancel() {
      this.modalIsShow = false;
    },
    open() {
      this.modalIsShow = true;
    },
    async getList() {
      const datas = {
        ...this.filter,
        examId: this.instance.examId,
        paperNumber: this.instance.paperNumber,
        pageNumber: this.current,
        pageSize: this.size,
      };
      const data = await packageListPage(datas);
      this.dataList = data.records;
      this.total = data.total;
    },
    toPage(page) {
      this.current = page;
      this.getList();
    },
    search() {
      this.toPage(1);
    },
    toViewSheetPaper(row) {
      this.curImageIndex = 0;
      this.imageList = (row.urls || []).map((url, index) => {
        return { url, index: index + 1 };
      });
      this.selectImage(this.curImageIndex);
      this.$refs.SimpleImagePreview.open();
    },
    selectImage(index) {
      this.curImage = this.imageList[index];
    },
    toPrevImage() {
      if (this.curImageIndex === 0) {
        this.curImageIndex = this.imageList.length - 1;
      } else {
        this.curImageIndex--;
      }

      this.selectImage(this.curImageIndex);
    },
    toNextImage() {
      if (this.curImageIndex === this.imageList.length - 1) {
        this.curImageIndex = 0;
      } else {
        this.curImageIndex++;
      }

      this.selectImage(this.curImageIndex);
    },
  },
};
</script>
