<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="题目类型" prop="quType">
        <el-select v-model="queryParams.quType" placeholder="请选择题目类型" clearable size="small">
          <el-option
            v-for="item in quTypes"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="题库" prop="repoIds">
        <repo-select v-model="queryParams.repoIds" :multi="true" />
      </el-form-item>
      <el-form-item label="题目内容" prop="content">
        <el-input
          v-model="queryParams.content"
          placeholder="请输入题目内容"
          clearable
          size="small"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>

    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['elearn:qu:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['elearn:qu:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['elearn:qu:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
        >WORD导入</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-upload2"
          size="mini"
          @click="handleImportExcel"
        >EXCEL导入</el-button>
      </el-col>
	  <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="quList" @selection-change="handleSelectionChange" :height="clientHeight" border>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="题目类型" align="center" prop="quType" width="100" :show-overflow-tooltip="true">
        <template v-slot="scope">
          <span v-if="scope.row.quType == 1" size="small" type="success">单选题</span>
          <span v-else-if="scope.row.quType == 2" size="small" type="success">多选题</span>
          <span v-else-if="scope.row.quType == 3" size="small" type="success">判断题</span>
        </template>
      </el-table-column>
      <el-table-column label="题目内容" align="left" prop="content"  :show-overflow-tooltip="true"/>
      <el-table-column label="创建时间" align="center" prop="createdate" width="100">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createdate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" fixed="right" width="120" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['elearn:qu:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['elearn:qu:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page-sizes="[20,50,100,1000]"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改试题对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1200px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-card>

          <el-form-item label="题目类型 " prop="quType">

            <el-select v-model="form.quType" :disabled="quTypeDisabled" class="filter-item" @change="handleTypeChange">
              <el-option
                v-for="item in quTypes"
                :key="item.value"
                :label="item.label"
                :value="item.value"
              />
            </el-select>

          </el-form-item>

          <el-form-item label="难度等级 " prop="qlevel">

            <el-select v-model="form.qlevel" class="filter-item">
              <el-option
                v-for="item in levels"
                :key="item.value"
                :label="item.label"
                :value="item.value"
              />
            </el-select>

          </el-form-item>

          <el-form-item label="归属题库" prop="repoIds">

            <repo-select v-model="form.repoIds" :multi="true" />

          </el-form-item>

          <el-form-item label="题目内容" prop="content">
            <el-input v-model="form.content" type="textarea" />
          </el-form-item>

          <el-form-item label="试题图片">
            <el-upload
              ref="photo"
              :headers="photo.headers"
              :action="photo.url"
              :show-file-list="false"
              :on-success="handleAvatarSuccess"
              list-type="picture-card">
              <img v-if="image" :src="image" class="avatar">
              <i v-else class="el-icon-plus "></i>
            </el-upload>
            <el-dialog  :close-on-click-modal="false" v-dialogDrag :visible.sync="dialogVisible" append-to-body>
              <img width="100%" :src="dialogImageUrl" alt="">
            </el-dialog>
          </el-form-item>

          <el-form-item label="整题解析" prop="oriPrice">
            <el-input v-model="form.analysis" :precision="1" :max="999999" type="textarea" />
          </el-form-item>

        </el-card>
        <div v-if="form.quType!==4" class="filter-container" style="margin-top: 25px">

          <el-button class="filter-item" type="primary" icon="el-icon-plus" size="small" plain @click="handleAddItem">
            添加
          </el-button>

          <el-table
            :data="form.answerList"
            :border="true"
            style="width: 100%;"
          >
            <el-table-column
              label="是否答案"
              width="120"
              align="center"
            >
              <template v-slot="scope">

                <el-checkbox v-model="scope.row.isRight" :true-label=1 :false-label=0>答案</el-checkbox>

              </template>

            </el-table-column>

<!--            <el-table-column-->
<!--              v-if="itemImage"-->
<!--              label="选项图片"-->
<!--              width="120px"-->
<!--              align="center"-->
<!--            >-->
<!--              <template v-slot="scope">-->

<!--                <file-upload-->
<!--                  v-model="scope.row.image"-->
<!--                  accept=".jpg,.jepg,.png"-->
<!--                />-->

<!--              </template>-->
<!--            </el-table-column>-->

            <el-table-column
              label="答案内容"
            >
              <template v-slot="scope">
                <el-input v-model="scope.row.content" type="textarea" />
              </template>
            </el-table-column>

            <el-table-column
              label="答案解析"
            >
              <template v-slot="scope">
                <el-input v-model="scope.row.analysis" type="textarea" />
              </template>
            </el-table-column>

            <el-table-column
              label="操作"
              align="center"
              width="100px"
            >
              <template v-slot="scope">
                <el-button type="danger" icon="el-icon-delete" circle @click="removeItem(scope.$index)" />
              </template>
            </el-table-column>

          </el-table>

        </div>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        :headers="upload.headers"
        :action="upload.url + '?repoIds=' + upload.repoIds"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div class="el-upload__tip" slot="tip">
          <repo-select v-model="upload.repoIds" :multi="true" />
        </div>
        <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“doc”格式文件！</div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
    <el-dialog :title="uploadExcel.title" :visible.sync="uploadExcel.open" width="400px" append-to-body>
      <el-upload
        ref="uploadExcel"
        :limit="1"
        :headers="uploadExcel.headers"
        :action="uploadExcel.url + '?repoIds=' + uploadExcel.repoIds"
        :disabled="uploadExcel.isUploading"
        :on-progress="handleFileUploadProgressExcel"
        :on-success="handleFileSuccessExcel"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div class="el-upload__tip" slot="tip">
          <repo-select v-model="uploadExcel.repoIds" :multi="true" />
        </div>
        <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“doc”格式文件！</div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileFormExcel">确 定</el-button>
        <el-button @click="uploadExcel.open = false">取 消</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { listQu, getQu, delQu, addQu, updateQu, exportQu, importTemplate} from "@/api/training/elearn/qu";
import { treeselect } from "@/api/system/dept";
import { getToken } from "@/utils/auth";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import Editor from '@/components/Editor';
import RepoSelect from '@/components/RepoSelect'

export default {
  name: "Qu",
  components: { Treeselect,RepoSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: false,
      // 总条数
      total: 0,
      // 试题表格数据
      quList: [],
      // 弹出层标题
      title: "",
      // 部门树选项
      deptOptions: undefined,
      quTypes: [
        {
          value: 1,
          label: '单选题'
        },
        {
          value: 2,
          label: '多选题'
        },
        {
          value: 3,
          label: '判断题'
        }
      ],
      quTypeDisabled: false,
      itemImage: true,
      levels: [
        { value: 1, label: '普通' },
        { value: 2, label: '较难' }
      ],
      clientHeight:300,
      // 是否显示弹出层
      open: false,
        // 用户导入参数
        upload: {
            // 是否显示弹出层（用户导入）
            open: false,
            // 弹出层标题（用户导入）
            title: "",
            // 是否禁用上传
            isUploading: false,
            // 是否更新已经存在的用户数据
            updateSupport: 0,
            // 设置上传的请求头部
            headers: { Authorization: "Bearer " + getToken() },
            // 上传的地址
            url: process.env.VUE_APP_BASE_API + "/elearn/qu/importData"
        },
      // 用户导入参数
      uploadExcel: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/elearn/qu/importDataExcel"
      },
      photo: {
        imageUrl: '',
        fileList: [],
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/elearn/qu/uploadFile",
      },
      image: '',
      dialogImageUrl: '',
      dialogVisible: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 20,
        quType: null,
        qlevel: null,
        content: null,
        image: null,
        analysis: null,
        createrCode: null,
        createdate: null,
        updaterCode: null,
        updatedate: null,
        deptId: null,
        remarks: null,
        repoIds: null,
      },
      // 表单参数
      form: {
        repoIds: [],
        tagList: [],
        answerList: []
      },
      // 表单校验
      rules: {
      }
    };
  },
  watch: {
        // 根据名称筛选部门树
        deptName(val) {
            this.$refs.tree.filter(val);
        }
   },
  created() {
      //设置表格高度对应屏幕高度
      this.$nextTick(() => {
          this.clientHeight = document.body.clientHeight -250
      })
    this.getList();
    this.getTreeselect();
  },
  methods: {
    /** 查询试题列表 */
    getList() {
      this.loading = true;
      listQu(this.queryParams).then(response => {
        this.quList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
     /** 查询部门下拉树结构 */
     getTreeselect() {
          treeselect().then(response => {
              this.deptOptions = response.data;
          });
     },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.image= null,
      this.form = {
        quId: null,
        quType: null,
        qlevel: null,
        content: null,
        image: null,
        analysis: null,
        delFlag: null,
        createrCode: null,
        createdate: null,
        updaterCode: null,
        updatedate: null,
        deptId: null,
        remarks: null,
        repoIds: [],
        tagList: [],
        answerList: []
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.queryParams.repoIds = []
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.quId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加试题";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const quId = row.quId || this.ids
      getQu(quId).then(response => {
        this.form = response.data;
        if (response.data.image) {
          this.image = process.env.VUE_APP_BASE_API + response.data.image;
        }
        this.form.repoIds = this.form.repoIds.map(Number)
        this.open = true;
        this.title = "修改试题";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {

          if (this.form.quId != null) {
            updateQu(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addQu(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const quIds = row.quId || this.ids;
      this.$confirm('是否确认删除?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delQu(quIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有试题数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportQu(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    },
      /** 导入按钮操作 */
      handleImport() {
          this.upload.title = "用户导入";
          this.upload.open = true;
      },
    handleImportExcel() {
      this.uploadExcel.title = "用户导入";
      this.uploadExcel.open = true;
    },
      /** 下载模板操作 */
      importTemplate() {
          importTemplate().then(response => {
              this.download(response.msg);
          });
      },
      // 文件上传中处理
      handleFileUploadProgress(event, file, fileList) {
          this.upload.isUploading = true;
      },
      // 文件上传成功处理
      handleFileSuccess(response, file, fileList) {
          this.upload.open = false;
          this.upload.isUploading = false;
          this.$refs.upload.clearFiles();
          this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
          this.getList();
      },
      // 提交上传文件
      submitFileFormExcel() {
          this.$refs.uploadExcel.submit();
      },
    // 文件上传中处理
    handleFileUploadProgressExcel(event, file, fileList) {
      this.uploadExcel.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccessExcel(response, file, fileList) {
      this.uploadExcel.open = false;
      this.uploadExcel.isUploading = false;
      this.$refs.uploadExcel.clearFiles();
      if (response.data.length > 0) {
        let failrow = ''
        for (let i = 0; i < response.data.length; i++) {
          failrow += response.data[i] + ','
        }
        this.$alert(this.$t('导入成功条数:') + response.msg + '<br>' + this.$t('失败行数:') + failrow, this.$t('导入结果'), {dangerouslyUseHTMLString: true});
      } else {
        this.$alert(this.$t('导入成功条数:') + response.msg, this.$t('导入结果'), {dangerouslyUseHTMLString: true});
      }
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
    handleTypeChange(v) {
      this.form.answerList = []
      if (v === 3) {
        this.form.answerList.push({ isRight: 1, content: '正确', analysis: '' })
        this.form.answerList.push({ isRight: 0, content: '错误', analysis: '' })
      }

      if (v === 1 || v === 2) {
        this.form.answerList.push({ isRight: 0, content: '', analysis: '' })
        this.form.answerList.push({ isRight: 0, content: '', analysis: '' })
        this.form.answerList.push({ isRight: 0, content: '', analysis: '' })
        this.form.answerList.push({ isRight: 0, content: '', analysis: '' })
      }
    },
    // 添加子项
    handleAddItem() {
      this.form.answerList.push({ isRight: 0, content: '', analysis: '' })
    },
    removeItem(index) {
      this.form.answerList.splice(index, 1)
    },
    handleAvatarProgress(event, file, fileList) {
      this.photo.file = file;
      this.image = file;
    },
    handleAvatarSuccess (res, file, fileList) {
      this.image =  URL.createObjectURL(file.raw);
      this.form.image = fileList.map((obj)=>{return obj.response.msg}).join(",");
      this.$alert(res.msg, this.$t('导入结果'), { dangerouslyUseHTMLString: true });
    },
    handlePictureCardPreview(file) {
      console.info("111" + file.url)
      this.dialogImageUrl = file.url;
      this.dialogVisible = true;
    },
  }
};
</script>
<style>
.text {
  font-size: 14px;
}
.item {
  margin-bottom: 18px;
}
.clearfix {
  color: #1e1e1e;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}
.clearfix:after {
  clear: both
}

.box-card {
  width: 100%;
}
.el-drawer__body {
  overflow: auto;
}
.el-drawer__container ::-webkit-scrollbar {
  display: none;
}

.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 120px;
  height: 140px;
}
.el-tag.el-tag--info {
  color: #606266;
}
</style>
