<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="活动名称" prop="pictureName">
        <el-input v-model="queryParams.pictureName" placeholder="请输入图片名称" clearable size="small" @keyup.enter.native="handleQuery" />
      </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="['carousel:carousel: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="['carousel:carousel: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="['carousel:carousel:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['carousel:carousel:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="carouselList" @selection-change="handleSelectionChange" max-height="650">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键" width="55" align="center" prop="id" />
      <el-table-column label="菜单类型" align="center" prop="dataType" :formatter="menuFormat" />
      <el-table-column label="活动名称" align="center" prop="pictureName" />
      <el-table-column label="权重" align="center" prop="weight" />
      <el-table-column label="活动海报" width="200" align="center" prop="fileUrl">
        <template slot-scope="scope">
          <img :src="scope.row.fileUrl" class="banner" />
        </template>
      </el-table-column>
      <el-table-column label="描述" align="center" prop="dataDescribe" />
      <el-table-column label="点击事件类型" align="center" prop="jumpUrlType" :formatter="cilckTypeFormat" />
      <el-table-column label="状态" align="center" prop="status" :formatter="statusFormat" />
      <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="['carousel:carousel:edit']"
            >修改</el-button
          >
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['carousel:carousel: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" />

    <!-- 添加或修改轮播图对话框 -->
    <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="活动名称" prop="pictureName">
          <el-input v-model="form.pictureName" placeholder="请输入图片名称" />
        </el-form-item>
        <el-form-item label="活动海报" prop="fileId">
          <el-upload
            class="avatar-uploader"
            :action="`${baseUrl}/open-api/common/file`"
            :show-file-list="false"
            :data="{ fileType: 99, remark: '轮播图' }"
            name="file"
            :on-success="handleAvatarSuccess"
            drag
          >
            <img v-if="form.fileUrl" :src="form.fileUrl" class="banner" />
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="描述" prop="dataDescribe">
          <el-input v-model="form.dataDescribe" placeholder="请输入描述" />
        </el-form-item>
        <el-form-item label="菜单类型" prop="jumpUrlType">
          <el-select v-model="form.dataType" placeholder="请输入菜单类型" clearable>
            <el-option v-for="item in menuOptions" :key="item.dictCode" :label="item.dictLabel" :value="item.dictValue"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="事件类型" prop="jumpUrlType">
          <el-select v-model="form.jumpUrlType" placeholder="请输入事件类型" clearable>
            <el-option v-for="item in cilckTypeOptions" :key="item.dictCode" :label="item.dictLabel" :value="item.dictValue"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="事件参数" prop="jumpUrlType" v-if="form.jumpUrlType == 'goWebView'">
          <el-input v-model="form.jumpUrl" placeholder="请输入网站地址" />
        </el-form-item>
        <el-form-item label="事件参数" prop="jumpUrlType" v-else-if="form.jumpUrlType == 'goMiniApp'">
          <el-input v-model="form.jumpUrl" placeholder="请输入小程序参数" />
        </el-form-item>
        <el-form-item label="事件参数" prop="jumpUrlType" v-else-if="form.jumpUrlType == 'goPage'">
          <el-input v-model="form.jumpUrl" placeholder="请输入页面路径" />
        </el-form-item>
        <el-form-item label="权重" prop="weight">
          <el-input v-model="form.weight" placeholder="请输入图片名称" />
        </el-form-item>
        <el-form-item label="是否启用" prop="status">
          <el-select v-model="form.status" placeholder="是否启用" clearable>
            <el-option v-for="item in statusOptions" :key="item.dictCode" :label="item.dictLabel" :value="item.dictValue"></el-option>
          </el-select>
        </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 { listCarousel, getCarousel, delCarousel, addCarousel, updateCarousel, exportCarousel } from '@/api/carousel/carousel'

export default {
  name: 'Carousel',
  data() {
    return {
      baseUrl: process.env.VUE_APP_BASE_API,
      // 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,
      // 轮播图表格数据
      carouselList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        pictureName: null,

        fileId: null,

        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        fileId: [
          {
            required: true,
            message: '图片id--对应file_info的id不能为空',
            trigger: 'blur'
          }
        ],

        status: [
          {
            required: true,
            message: '状态  0：有效(默认)、1：失效 不能为空',
            trigger: 'blur'
          }
        ]
      },
      // 小程序轮播图事件类型
      cilckTypeOptions: [],
      cilckTypeFormat: null,
      // 小程序状态开关
      statusOptions: [],
      statusFormat: null,
      // 菜单类型
      menuOptions: [],
      menuFormat: null
    }
  },
  created() {
    this.getList()
    this.getDicts('wx_banner_click_type').then(response => {
      this.cilckTypeOptions = response.data
      this.cilckTypeFormat = (row, column) => {
        return this.selectDictLabel(this.cilckTypeOptions, row.jumpUrlType)
      }
    })
    this.getDicts('wx_open_status').then(response => {
      this.statusOptions = response.data
      this.statusFormat = (row, column) => {
        return this.selectDictLabel(this.statusOptions, row.status)
      }
    })
    this.getDicts('wx_menu_type').then(response => {
      this.menuOptions = response.data
      this.menuFormat = (row, column) => {
        return this.selectDictLabel(this.menuOptions, row.dataType)
      }
    })
  },
  methods: {
    //图标上传成功返回函数
    handleAvatarSuccess(response) {
      this.$set(this.form, 'fileUrl', response.data.fileUrl)
      this.$set(this.form, 'fileId', response.data.fileId)
    },
    /** 查询轮播图列表 */
    getList() {
      this.loading = true
      listCarousel(this.queryParams).then(response => {
        this.carouselList = 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 = {
        id: null,

        pictureName: null,

        fileId: null,

        createTime: null,

        updateTime: null,

        status: '0'
      }
      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.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加轮播图'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getCarousel(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = '修改轮播图'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCarousel(this.form).then(response => {
              this.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addCarousel(this.form).then(response => {
              this.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id ? row.id : this.ids
      this.$confirm('是否确认删除轮播图编号为"' + ids + '"的数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(function() {
          return delCarousel(ids)
        })
        .then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams
      this.$confirm('是否确认导出所有轮播图数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(function() {
          return exportCarousel(queryParams)
        })
        .then(response => {
          this.download(response.data)
        })
    }
  }
}
</script>

<style lang="scss" scoped>
.banner {
  width: 100%;
  height: 100px;
  object-fit: contain;
}
</style>
