<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!--部门数据-->
      <el-col :span="4" :xs="24">
        <div class="head-container">
          <el-input
            v-model="deptName"
            placeholder="请输入部门名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            ref="tree"
            :data="deptOptions"
            :props="defaultProps"
            :expand-on-click-node="false"
            :filter-node-method="filterNode"
            default-expand-all
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <!--用户数据-->
      <el-col :span="20" :xs="24">
        <el-form ref="queryForm" :model="queryForm" :inline="true" label-width="68px">
          <el-form-item label="用户名称" prop="userName">
            <el-input
              v-model="queryForm.userName"
              placeholder="请输入用户名称"
              clearable
              size="small"
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="手机号码" prop="phone">
            <el-input
              v-model="queryForm.phone"
              placeholder="请输入手机号码"
              clearable
              size="small"
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="状态" prop="userStatus">
            <el-select
              v-model="queryForm.userStatus"
              placeholder="用户状态"
              clearable
              size="small"
              style="width: 120px"
            >
              <el-option
                v-for="dict in statusOptions"
                :key="dict.value"
                :label="dict.name"
                :value="dict.value"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="创建时间">
            <el-date-picker
              v-model="dateRange"
              size="small"
              style="width: 240px"
              value-format="yyyy-MM-dd"
              type="daterange"
              range-separator="-"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
            />
          </el-form-item>
          <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
              v-hasPermi="['system:user:add']"
              type="primary"
              icon="el-icon-plus"
              size="mini"
              @click="handleAdd"
            >新增</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              v-hasPermi="['system:user:update']"
              type="success"
              icon="el-icon-edit"
              size="mini"
              :disabled="single"
              @click="handleUpdate"
            >修改</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              v-hasPermi="['system:user:delete']"
              type="danger"
              icon="el-icon-delete"
              size="mini"
              :disabled="multiple"
              @click="handleDelete"
            >删除</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              v-hasPermi="['system:user:import']"
              type="info"
              icon="el-icon-upload2"
              size="mini"
              @click="handleImport"
            >导入</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              v-hasPermi="['system:user:export']"
              type="warning"
              icon="el-icon-download"
              size="mini"
              @click="handleExport"
            >导出</el-button>
          </el-col>
        </el-row>

        <el-table v-loading="loading" border :data="userList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="45" align="center" />
          <el-table-column label="用户编号" align="center" prop="userId" />
          <el-table-column
            label="用户名称"
            align="center"
            prop="userName"
            :show-overflow-tooltip="true"
          />
          <el-table-column
            label="用户昵称"
            align="center"
            prop="nickName"
            :show-overflow-tooltip="true"
          />
          <el-table-column
            label="部门"
            align="center"
            prop="sysDept.deptName"
            :show-overflow-tooltip="true"
          />
          <el-table-column label="手机号码" align="center" prop="phone" width="120" />
          <el-table-column label="状态" align="center">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.userStatus"
                :active-value="0"
                :inactive-value="1"
                active-color="#13ce66"
                inactive-color="#ff4949"
                @change="handleSwitchChange(scope.row)"
              />
            </template>
          </el-table-column>
          <el-table-column label="创建时间" align="center" prop="createTime" width="160">
            <template slot-scope="scope">
              <span>{{ parseTime(scope.row.createTime) }}</span>
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            align="center"
            width="180"
            class-name="small-padding fixed-width"
          >
            <template slot-scope="scope">
              <el-button
                v-hasPermi="['system:user:update']"
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
              >修改</el-button>
              <el-button
                v-if="scope.row.userId !== 1"
                v-hasPermi="['system:user:delete']"
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
              >删除</el-button>
              <el-button
                v-hasPermi="['system:user:resetPwd']"
                size="mini"
                type="text"
                icon="el-icon-key"
                @click="handleResetPwd(scope.row)"
              >重置</el-button>
            </template>
          </el-table-column>
        </el-table>

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

    <!-- 添加或修改参数配置对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="600px"
      :close-on-click-modal="false"
      :before-close="userDialogHandleClose"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="用户昵称" prop="nickName">
              <el-input v-model="form.nickName" placeholder="请输入用户昵称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="归属部门" prop="deptId">
              <treeselect v-model="form.deptId" :options="deptOptions" placeholder="请选择归属部门" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="手机号码" prop="phone">
              <el-input v-model="form.phone" placeholder="请输入手机号码" maxlength="11" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="form.email" placeholder="请输入邮箱" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="用户名称" prop="userName">
              <el-input v-model="form.userName" placeholder="请输入用户名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.userId == undefined" label="用户密码" prop="password">
              <el-input v-model="form.password" placeholder="请输入用户密码" type="password" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="用户性别">
              <el-select v-model="form.sex" placeholder="请选择">
                <el-option label="男" :value="0" />
                <el-option label="女" :value="1" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="状态">
              <el-radio-group v-model="form.userStatus">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.value"
                  :label="parseInt(dict.value)"
                >{{ dict.name }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="角色">
              <el-select v-model="form.roleIds" multiple placeholder="请选择">
                <el-option
                  v-for="item in roleOptions"
                  :key="item.roleId"
                  :label="item.roleName"
                  :value="item.roleId"
                  :disabled="item.roleStatus == 1"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="备注">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="userDialogHandleClose">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 用户导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px">
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload" />
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div slot="tip" class="el-upload__tip">
          <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
        </div>
        <div slot="tip" class="el-upload__tip" style="color:red">提示：仅允许导入“xls”或“xlsx”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>
    <Progess :percentage="percentage" :progress-dialog-visible="progressDialogVisible" />
  </div>
</template>
<script>
import {
  listUser,
  getUser,
  delUser,
  addUser,
  updateUser,
  exportUser,
  resetUserPwd,
  changeUserStatus
} from '@/api/system/user'
import { getToken } from '@/utils/auth'
import { streamDownload } from '@/utils/index'
import { treeselect } from '@/api/system/dept'
import Treeselect from '@riophae/vue-treeselect'
import Progess from '@/components/Progress'
// import the styles
import '@riophae/vue-treeselect/dist/vue-treeselect.css'

export default {
  components: {
    Treeselect,
    Progess
  },
  data() {
    return {
      percentage: 0,
      progressDialogVisible: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 添加/修改对话框 title
      title: '',
      // 是否显示用户对话框
      open: false,
      // 状态数据字典
      statusOptions: [],
      // 部门树搜索
      deptName: '',
      // 默认密码
      initPassword: '123456',
      // 查询日期参数
      dateRange: [],
      // 查询参数
      queryForm: {
        pageNum: 1,
        pageSize: 10,
        userName: undefined,
        phone: undefined,
        userStatus: undefined,
        deptId: undefined
      },
      // 用户数据
      userList: [],
      // 用户列表总数
      total: 0,
      // 部门树
      deptOptions: [],
      // 角色选项
      roleOptions: [],
      // 表单参数
      form: {
        userId: undefined,
        deptId: undefined,
        userName: undefined,
        nickName: undefined,
        password: undefined,
        phone: undefined,
        email: undefined,
        sex: undefined,
        userStatus: 0,
        remark: undefined,
        postIds: [],
        roleIds: []
      },
      // 表单校验
      rules: {
        userName: [
          { required: true, message: '用户名称不能为空', trigger: 'blur' }
        ],
        nickName: [
          { required: true, message: '用户昵称不能为空', trigger: 'blur' }
        ],
        deptId: [
          { required: true, message: '归属部门不能为空', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '用户密码不能为空', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '邮箱地址不能为空', trigger: 'blur' },
          {
            type: 'email',
            message: "'请输入正确的邮箱地址",
            trigger: ['blur', 'change']
          }
        ],
        phonenumber: [
          { required: true, message: '手机号码不能为空', trigger: 'blur' },
          {
            pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/,
            message: '请输入正确的手机号码',
            trigger: 'blur'
          }
        ]
      },
      defaultProps: {
        children: 'children',
        label: 'label'
      },
      // 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
        // 设置上传的请求头部
        headers: { Authorization: getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + '/system/user/importData'
      }

    }
  },
  watch: {
    /**
     * 部门树搜索
     */
    deptName(val) {
      this.$refs.tree.filter(val)
    }
  },
  created() {
    this.getTreeselect()
    this.getList()
    this.getDicts('status').then(response => {
      const { data } = response
      this.statusOptions = data
    })
  },
  methods: {
    handleQuery() {
      this.getList()
    },
    /**
     * 表单重置
     */
    resetQuery() {
      this.$refs.queryForm.resetFields()
      this.dateRange = []
      this.handleQuery()
    },
    /**
     * 获取用户列表
     */
    async getList() {
      this.loading = true
      const { data: { records: data, total }} = await listUser(this.addDateRange(this.queryForm, this.dateRange))
      this.total = total
      this.userList = data
      this.loading = false
    },
    /**
     *  查询部门下拉树结构
     */
    async getTreeselect() {
      const {
        data
      } = await treeselect()
      this.deptOptions = data
    },
    /**
     * 筛选节点
     */
    filterNode(value, data) {
      if (!value) return true
      return data.label.indexOf(value) !== -1
    },
    /**
     * 节点单击事件
     */
    handleNodeClick(data) {
      this.queryForm.deptId = data.id
      this.getList()
    },
    /**
     * 当选择项发生变化时会触发该事件
     */
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.userId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /**
     * switch 状态发生变化时的回调函数
     */
    handleSwitchChange(row) {
      const text = row.userStatus === 0 ? '启用' : '停用'
      this.$confirm(
        '确认要 "' + text + '" "' + row.userName + '用户吗?',
        '警告',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      )
        .then(function() {
          return changeUserStatus(row.userId, row.userStatus)
        })
        .then(() => {
          this.$message.success(text + '成功')
        })
        .catch(function() {
          row.userStatus = row.userStatus === 0 ? 1 : 0
        })
    },
    // 表单重置
    reset() {
      this.form = {
        userId: undefined,
        deptId: undefined,
        userName: undefined,
        nickName: undefined,
        password: undefined,
        phone: undefined,
        email: undefined,
        sex: undefined,
        userStatus: 0,
        remark: undefined,
        postIds: [],
        roleIds: []
      }
      this.$refs['form'].resetFields()
    },
    /**
     * 角色对话框关闭
     */
    userDialogHandleClose() {
      this.reset()
      this.open = false
    },
    /** 新增按钮操作 */
    async handleAdd() {
      this.getTreeselect()
      const { data: { roles }} = await getUser()
      this.roleOptions = roles
      this.title = '添加用户'
      this.form.password = this.initPassword
      this.open = true
    },
    /** 修改按钮操作 */
    async handleUpdate(row) {
      this.getTreeselect()
      const userId = row.userId || this.ids
      const { data: { user, roles, roleIds }} = await getUser(userId)
      this.form = user
      this.roleOptions = roles
      this.form.roleIds = roleIds
      this.title = '修改用户'
      this.form.password = undefined
      this.open = true
    },
    /**
     * 删除按钮
     */
    handleDelete(row) {
      const userIds = row.userId || this.ids
      this.$confirm('是否确认删除用户编号为"' + userIds + '"的数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(function() {
        return delUser(userIds)
      }).then(() => {
        this.getList()
        this.$message.success('删除成功')
      }).catch(function() {})
    },
    /**
     * 重置密码按钮操作
     */
    handleResetPwd(row) {
      this.$prompt('请输入"' + row.userName + '"的新密码', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputPattern: /\w{6,}/,
        inputErrorMessage: '密码格式不正确'
      }).then(({ value }) => {
        resetUserPwd(row.userId, value).then(response => {
          if (response.code === 200) {
            this.$message.success('修改成功，新密码是：' + value)
          } else {
            this.$message.error(response.msg)
          }
        })
      }).catch(() => {})
    },
    /**
     * 导出操作
     */
    handleExport() {
      const that = this
      const queryForm = this.addDateRange(this.queryForm, this.dateRange)
      this.$confirm('是否确认导出所有用户数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(function() {
        that.progressDialogVisible = true
        return exportUser(queryForm, (progressEvent) => {
          const process = (progressEvent.loaded / progressEvent.total * 100 | 0)
          const progressText = `下载进度：${process}%`
          console.log(progressText)
          that.percentage = process
        })
      }).then(res => {
        streamDownload(res)
      }).catch(function(e) {
        console.log(e)
      }).finally(() => {
        setTimeout(() => {
          that.progressDialogVisible = false
        }, 1500)
      })
    },
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.userId !== undefined) {
            updateUser(this.form).then(response => {
              this.updateHandle(response, this)
            })
          } else {
            addUser(this.form).then(response => {
              this.saveHandle(response, this)
            })
          }
        }
      })
    },
    /**
     * 导入操作
     */
    handleImport() {
      this.upload.title = '用户导入'
      this.upload.open = true
    },
    /** 下载模板操作 */
    importTemplate() {
      this.downloadTemplate('用户列表.xls')
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false
      this.upload.isUploading = false
      this.$refs.upload.clearFiles()
      this.$alert('导入用户数据成功', '导入结果', { dangerouslyUseHTMLString: true })
      this.getList()
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit()
    }
  }
}
</script>
