<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item>
        <el-button type="primary" 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"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['hezhi:link:add']"
        >新增</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button-->
<!--          type="success"-->
<!--          plain-->
<!--          icon="el-icon-edit"-->
<!--          size="mini"-->
<!--          :disabled="single"-->
<!--          @click="handleUpdate"-->
<!--          v-hasPermi="['hezhi:link:edit']"-->
<!--        >修改</el-button>-->
<!--      </el-col>-->
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['hezhi:link:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="linkList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="老师" align="center" prop="resourcesTwoName" />
      <el-table-column label="图" align="center" prop="resourcesTwoImg" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.resourcesTwoImg" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="是否主讲" align="center" prop="linkOne">
        <template slot-scope="scope">
          <span v-if="scope.row.linkOne === 0">否</span>
          <span v-if="scope.row.linkOne === 1">是</span>
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sort" />
<!--      <el-table-column label="状态" align="center" prop="status">-->
<!--        <template slot-scope="scope">-->
<!--          <dict-tag :options="dict.type.tb_status" :value="scope.row.status"/>-->
<!--        </template>-->
<!--      </el-table-column>-->
      <el-table-column label="创建时间" align="center" prop="createTime" width="150" />
      <el-table-column label="操作" align="center" 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="['hezhi:link:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['hezhi:link:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改资源关联对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="老师" prop="resourcesTwoId">
          <el-select v-model="form.resourcesTwoId" placeholder="请选择老师">
            <el-option
              v-for="item in teacherList"
              :key="item.teacherId"
              :label="item.teacherName"
              :value="item.teacherId"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="是否主讲" prop="linkOne">
          <el-radio v-model="form.linkOne" :label="0">否</el-radio>
          <el-radio v-model="form.linkOne" :label="1">是</el-radio>
        </el-form-item>
<!--        <el-form-item label="备注" prop="remarks">-->
<!--          <el-input v-model="form.remarks" type="textarea" placeholder="请输入内容" />-->
<!--        </el-form-item>-->
        <el-form-item label="排序" prop="sort">
          <el-input v-model="form.sort" placeholder="请输入排序" />
        </el-form-item>
<!--        <el-form-item label="状态" prop="status">-->
<!--          <el-radio-group v-model="form.status">-->
<!--            <el-radio-->
<!--              v-for="dict in dict.type.tb_status"-->
<!--              :key="dict.value"-->
<!--              :label="parseInt(dict.value)"-->
<!--            >{{dict.label}}</el-radio>-->
<!--          </el-radio-group>-->
<!--        </el-form-item>-->
      </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>
  </div>
</template>

<script>
import {
  getLink,
  delLink,
  addLink,
  updateLink,
  listLinkLiveBroadcastTeacher
} from "@/api/hezhi/link";
import {getAllTeacherList} from "@/api/hezhi/teacher";

export default {
  name: "liveBroadcastTeacher",
  dicts: ['tb_status'],
  props: ["liveBroadcastId"],
  data() {
    return {
      // 老师
      teacherList: [],
      // 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: true,
      // 总条数
      total: 0,
      // 资源关联表格数据
      linkList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        resourcesOneId: null,
        resourcesOneName: null,
        resourcesTwoId: null,
        resourcesTwoName: null,
        linkOne: null,
        type: 1,
        remarks: null,
        sort: null,
        status: null,
        createTime: null,
        deleteTime: null,
        deleteBy: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        resourcesTwoId: [
          { required: true, trigger: "blur", message: "请选择老师" },
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getAllTeacherList();
  },
  methods: {
    /** 获取所有教师列表 */
    getAllTeacherList(){
      getAllTeacherList().then(response=>{
        this.teacherList = response.data
      })
    },

    /** 查询资源关联列表 */
    getList() {
      this.loading = true;
      if (this.liveBroadcastId != null) {
        this.queryParams.resourcesOneId = this.liveBroadcastId;
      }
      listLinkLiveBroadcastTeacher(this.queryParams).then(response => {
        this.linkList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        linkId: null,
        resourcesOneId: null,
        resourcesOneName: null,
        resourcesTwoId: null,
        resourcesTwoName: null,
        linkOne: 0,
        type: 1,
        remarks: null,
        sort: null,
        status: null,
        publicationTime: null,
        publisher: null,
        createTime: null,
        createBy: null,
        updateTime: null,
        updateBy: null,
        deleteTime: null,
        deleteBy: null,
        delFlag: null
      };
      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.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.linkId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加资源关联";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const linkId = row.linkId || this.ids
      getLink(linkId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改资源关联";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.linkId != null) {
            if (this.liveBroadcastId != null) {
              this.form.resourcesOneId = this.liveBroadcastId;
            }
            updateLink(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            if (this.liveBroadcastId != null) {
              this.form.resourcesOneId = this.liveBroadcastId;
            }
            addLink(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const linkIds = row.linkId || this.ids;
      this.$modal.confirm('是否确认删除资源关联编号为"' + linkIds + '"的数据项？').then(function() {
        return delLink(linkIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('hezhi/link/export', {
        ...this.queryParams
      }, `link_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
