<template>
  <div>
    <el-breadcrumb separator=">">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>
        <a href="#">消息管理</a>
      </el-breadcrumb-item>
    </el-breadcrumb>
    <el-divider></el-divider>
    <!--
      要resetFields起作用，必须配置:model和prop
    -->
    <el-form ref="queryForm" :model="queryModel" inline class="demo-form-inline"></el-form>
    <el-divider></el-divider>
    <el-row class="button-group">
      <el-button
        type="primary"
        size="small"
        plain
        icon="el-icon-circle-plus"
        :disabled="multipleSelection.length==0"
        @click="handleBatchDelete"
      >删除选中项</el-button>
      <el-button type="primary" size="small" plain @click="allRead">全部已读</el-button>
    </el-row>
    <el-table
      :data="tableData"
      style="min-height:400px;"
      v-loading="loading"
      stripe
      @sort-change="sortChange"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55"></el-table-column>
      <!-- <el-table-column type="expand">
        <template slot-scope="props">
							<el-form label-position="left" inline class="demo-table-expand">
								<el-form-item>
									<span>{{ props.row.content}}</span>
								</el-form-item>
							</el-form>
						</template>
      </el-table-column>-->
      <el-table-column prop="title" label="消息标题" width="180"></el-table-column>
      <el-table-column prop="content" label="内容" width="350"></el-table-column>
      <el-table-column prop="status" label="状态" width="180">
        <template slot-scope="{row}">{{row.status == 0 ? "未读" : "已读"}}</template>
      </el-table-column>
      <el-table-column prop="createTime" label="发送时间" width="180"></el-table-column>
      <el-table-column label="操作">
        <template slot-scope="{row}">
          <span v-if="row.status=='0'">
            <el-button size="mini" type="primary" @click="toRead(row)">已读</el-button>
          </span>
          &#12288;&#12288;
          <el-button size="mini" type="danger" @click="handleDelete(row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      :current-page.sync="pageIndex"
      :total="totalElements"
      :page-sizes="pageSizeList"
      @current-change="changePage"
      @size-change="pageSizeChange"
      layout="total, sizes, prev, pager, next, jumper"
    ></el-pagination>
  </div>
</template>
<script>
import Constant from "@/constant";
import messageApi from "@/api/base/message";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import {mapActions} from 'vuex';
 
export default {
  data() {
    var self = this;

    return {
      queryModel: {},
      loading: false,
      tableData: [],
      pageIndex: 1,
      pageSize: 10,
      totalPages: 0,
      totalElements: 0,
      field: "",
      direction: "",
      pageSizeList: [10, 20, 30],
      multipleSelection: [],
      showModal: false,
      modalTitle: "",
      businessKey: ""
    };
  },
  methods: {
    ...mapActions('menu',[
      'getUnReadMessageNum'
    ]),
    changePage(pageIndex) {
      var self = this;

      self.loading = true;

      self.pageIndex = pageIndex;
      var formData = new FormData();

      formData.append("pageIndex", self.pageIndex);
      formData.append("pageSize", self.pageSize);

      if (this.field != null) {
        formData.append("field", this.field);
      }

      if (this.direction != null) {
        formData.append("direction", this.direction);
      }

      messageApi
        .pageList(formData)
        .then(function(response) {
          self.loading = false;

          var jsonData = response.data.data;

          self.tableData = jsonData.data;
          self.totalPages = jsonData.totalPage;
          self.totalElements = jsonData.recordsTotal;

          self.getUnReadMessageNum();
        })
        .catch(error => {
          self.loading = false;
        });
    },
    pageSizeChange(pageSize) {
      this.pageSize = pageSize;

      this.$nextTick(() => {
        this.changePage(this.pageIndex);
      });
    },
    sortChange(data) {
      this.field = data.column.field;
      this.direction = data.order;

      this.changePage(this.pageIndex);
    },
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    handleReset(name) {
      this.$refs[name].resetFields();
    },
    handleDelete(record) {
      var self = this;

      self
        .$confirm("是否确认删除?", "提示", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        })
        .then(() => {
          messageApi.remove(record.id).then(function(response) {
            var jsonData = response.data;

            if (jsonData.result) {
              // var index = self.tableData.indexOf(record);
              // self.tableData.splice(index, 1);
              self.changePage(self.pageIndex);

              self.$message({
                type: "success",
                message: "删除成功!"
              });
            }
          });
        });
    },
    handleBatchDelete() {
      var self = this;

      var idList = this.multipleSelection.map(record => {
        return record.id;
      });

      this.$confirm("是否确认删除选中项？", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        messageApi.batchRemove(idList).then(function(response) {
          var jsonData = response.data;

          if (jsonData.result) {
            self.changePage(self.pageIndex);

            self.$message({
              type: "success",
              message: "删除成功!"
            });
          }
        });
      });
    },
    onDetailModalClose(refreshed) {
      //保存成功后回调
      this.showModal = false;

      if (refreshed) {
        this.changePage(this.pageIndex);
      }
    },
    //全部变为已读
    allRead() {
      var self = this;
      messageApi.allRead().then(resp => {
        if (resp.data.result) {
          this.$message.success("操作成功");
          self.changePage(self.pageIndex);
        }
      });
    },
    toRead(record) {
      var self = this;
      var formData = new FormData();
      messageApi.read(record.id).then(resp => {
        if (resp.data.result) {
          this.$message.success("操作成功");
          self.changePage(self.pageIndex);
        }
      });
    }
  },
  mounted: function() {
    this.changePage(1);
  }
};
</script>
<style lang="scss" scoped>
.el-breadcrumb {
  margin: 10px;
  line-height: 20px;
}

.el-divider {
  margin: 5px 0;
}

.demo-form-inline {
  margin-left: 10px;
  text-align: left;
}

.button-group {
  margin-left: 10px;
  text-align: left;
}
</style>