<template>
    <div>
        <!-- :inline="true" 表单一行显示 -->
        <el-form ref="searchForm" :inline="true" :model="searchMap" style="margin-top: 20px">
            <!-- 重置会看 el-form-item 组件元素的 prop 上是否指定了字段名，指定了才会重置生效 -->
            <el-form-item prop="cardNum">
                <el-input v-model="searchMap.cardNum" placeholder="会员卡号" style="width: 200px"></el-input>
            </el-form-item>
            <el-form-item prop="name">
                <el-input v-model="searchMap.name" placeholder="会员名字" style="width: 200px"></el-input>
            </el-form-item>
            <el-form-item prop="payType">
                <el-select v-model="searchMap.payType" placeholder="支付类型" style="width: 110px">
                    <!-- 不要忘记 payTypeOptions 绑定到data中 -->
                    <el-option v-for="option in payTypeOptions" 
                    :key="option.type"
                    :label="option.name"
                    :value="option.type"
                    ></el-option>
                </el-select>
            </el-form-item>
            <el-form-item prop="birthday">
                <!-- value-format 是指定绑定值的格式 -->
                <el-date-picker style="width: 200px" value-format="yyyy-MM-dd" v-model="searchMap.birthday"  type="date" placeholder="出生日期"> </el-date-picker>
            </el-form-item>

            <el-form-item>
                <el-button type="primary" @click="fetchData" >查询</el-button>
                 <el-button type="primary" @click="handleAdd" >新增</el-button>
                <el-button  @click="resetForm('searchForm')" >重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 数据列表
        :data 绑定渲染的数据
        border 表格边框
         -->
         <el-table
            :data="list"
            height="380"
            border
            style="width: 100%">
            <!-- type="index"获取索引值，从1开始 ，label显示标题，prop 数据字段名，width列宽 -->
            <el-table-column type="index" label="序号" width="60"></el-table-column>
            <el-table-column prop="cardNum" label="会员卡号" ></el-table-column>
            <el-table-column prop="name" label="会员姓名" width="90"></el-table-column>
            <el-table-column prop="birthday" label="会员生日" ></el-table-column>
            <el-table-column prop="phone" label="手机号码" ></el-table-column>
            <el-table-column prop="integral" label="可用积分" ></el-table-column>
            <el-table-column prop="money" label="开卡金额" ></el-table-column>
            <el-table-column prop="payType" label="支付类型" >
                <template slot-scope="scope">
                    <span>{{scope.row.payType | payTypeFilter}}</span>
                </template>

            </el-table-column>
            <el-table-column prop="address" label="会员地址" ></el-table-column>
             <el-table-column label="操作" width="150">
                <template slot-scope="scope">
                    <el-button
                    size="mini"
                    @click="handleEdit(scope.row.id)">编辑</el-button>
                    <el-button
                    size="mini"
                    type="danger"
                    @click="handleDelete(scope.row.id)">删除</el-button>
                </template>
             </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="currentPage"
            :page-sizes="[10, 20, 50]"
            :page-size="pageSize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>

        <!-- 弹出新增窗口 
        title 窗口的标题
        :visible.sync 当它true的时候，窗口会被弹出
        -->
        <el-dialog title="会员编辑" :visible.sync="dialogFormVisible" width="500px">
            <el-form 
            :rules="rules"
            ref="pojoForm"
            label-width="100px"
            label-position="right"
            style="width: 400px;"
            :model="pojo">
                <el-form-item label="会员卡号" prop="cardNum" >
                <el-input v-model="pojo.cardNum" ></el-input>
                </el-form-item>
                <el-form-item label="会员姓名" prop="name" >
                <el-input v-model="pojo.name" ></el-input>
                </el-form-item>
                <el-form-item label="会员生日" prop="birthday" >
                    <!-- value-format 是指定绑定值的格式 -->
                    <el-date-picker style="width: 200px" value-format="yyyy-MM-dd" v-model="pojo.birthday"  type="date" placeholder="会员生日"> </el-date-picker>
                </el-form-item>
                <el-form-item label="手机号码" prop="phone" >
                <el-input v-model="pojo.phone" ></el-input>
                </el-form-item>
                <el-form-item label="开卡金额" prop="money">
                <el-input v-model="pojo.money" ></el-input>
                </el-form-item>
                <el-form-item label="可用积分" prop="integral">
                <el-input v-model="pojo.integral" ></el-input>
                </el-form-item>
                <el-form-item label="支付类型" prop="payType" >
                    <el-select v-model="pojo.payType" placeholder="支付类型" style="width: 110px">
                        <!-- 不要忘记 payTypeOptions 绑定到data中 -->
                        <el-option v-for="option in payTypeOptions" 
                        :key="option.type"
                        :label="option.name"
                        :value="option.type"
                        ></el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="会员地址" prop="address">
                    <el-input type="textarea" v-model="pojo.address" ></el-input>
                </el-form-item>
                
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <!-- <el-button type="primary" @click="addData('pojoForm')">确 定</el-button> -->
                <el-button type="primary" @click="pojo.id === null ? addData('pojoForm'): updateData('pojoForm')">确 定</el-button>
            </div>
        </el-dialog>
    </div>
    
</template>

<script>
import memberApi from '@/api/member'

// 支付类型
const payTypeOptions = [
    {type: '1', name: '现金'},
    {type: '2', name: '微信'},
    {type: '3', name: '支付宝'},
    {type: '4', name: '银行卡'},
]

export default {
    
    data() {
        return {
            list: [],
            total: 0, // 总记录数
            currentPage: 1, // 当前页码 
            pageSize: 20, // 每页显示10条数据,
            searchMap: { // 条件查询绑定的条件值
                cardNum: '',
                name: '',
                payType: '',
                birthday: ''
            }, 
            payTypeOptions, // payTypeOptions: payTypeOptions
            dialogFormVisible: false, //控制对话框
            pojo: {
                id: null,
                cardNum: '',
                name: '',
                birthday: '',
                phone: '',
                money: 0,
                integral: 0,
                payType: '',
                address: ''
            }, // 提交的数据
            rules: { // 校验规则
                cardNum: [
                    {required: true, message: '卡号不能为空', trigger: 'blur'}
                ],
                name: [
                    {required: true, message: '姓名不能为空', trigger: 'blur'}
                ],
                payType: [
                    {required: true, message: '支付类型不能为空', trigger: 'change'}
                ]
            }
        }
    },

    created() {
        // 初始化获取列表数据
        this.fetchData()
    },

    methods: {
        // 当每页显示条数改变后,被触发 , val是最新的每页显示条数
        handleSizeChange(val) {
            // console.log(val)
            this.pageSize = val
            this.fetchData()
        },
        // 当页码改变后,被触发 , val 是最新的页面
        handleCurrentChange(val) {
            // console.log(val)
            this.currentPage = val
            this.fetchData()
        },
        fetchData() {
            // memberApi.getList().then(response => {
            // 调用分页查询数据
            memberApi.search(this.currentPage, this.pageSize, this.searchMap).then(response =>{
                const resp = response.data
                // console.log(resp.data.rows)
                this.list = resp.data.rows
                this.total = resp.data.total
            })
        },
        
        //重置
        resetForm(formName) {
            console.log('重置', formName)
            // 重置会看 el-form-item 组件元素的 prop 上是否指定了字段名，指定了才会重置生效
            this.$refs[formName].resetFields()
        },
        // 提交新增数据
        addData(formName) {
            this.$refs[formName].validate(valid => {
                if(valid){
                    //提交表单
                    console.log('addData')
                    memberApi.add(this.pojo).then(response => {
                        const resp = response.data
                        if(resp.flag) {
                            //新增成功，刷新列表数据
                            this.fetchData()
                            this.dialogFormVisible = false // 关闭窗口
                        }else {
                            // 失败，来点提示信息
                            this.$message({
                                message: resp.message,
                                type: 'warning'
                            })
                        }
                    })
                }else {
                    return false
                }
            })
        },
        // 弹出新增窗口
        handleAdd() {
            console.log(this.pojo)
            // this.pojo = {}
            this.dialogFormVisible = true
            this.$nextTick(() => { 
                // this.$nextTick()它是一个异步事件，当渲染结束 之后 ，它的回调函数才会被执行
                // 弹出窗口打开之后 ，需要加载Dom, 就需要花费一点时间，我们就应该等待它加载完dom之后，再进行调用resetFields方法，重置表单和清除样式
                this.$refs['pojoForm'].resetFields()
            })
            
        },
        
        // 打开编辑窗口
        handleEdit(id) {
            console.log('编辑', id)
           this.handleAdd()
            memberApi.getById(id).then(response => {
                const resp = response.data
                if(resp.flag) {
                    this.pojo = resp.data
                    console.log(this.pojo)
                }
            })
        },

        updateData(formName) {
            console.log('updateData')
            this.$refs[formName].validate(valid => {
                if(valid){
                    // 提交更新
                    memberApi.update(this.pojo).then(response => {
                        const resp = response.data
                        if(resp.flag) {
                            // 刷新列表
                            this.fetchData()
                            this.dialogFormVisible = false
                        }else {
                            this.$message({
                                message: resp.message,
                                type: 'warning'
                            })
                        }
                    })

                }else {
                    return false
                }
            })
        },
        // 删除会员
        handleDelete(id) {
            console.log('删除', id)
            this.$confirm('确认删除这条记录吗？', '提示', {
                confirmButtonText: '确认',
                cancelButtonText: '取消',
            }).then(() => {
                // 确认
                console.log('确认')
                memberApi.deleteById(id).then(response => {
                    // console.log(response)
                    const resp = response.data

                    this.$message({
                        message: resp.message,
                        type: resp.flag ? 'success': 'error'
                    })

                    if(resp.flag) {
                        // 删除成功，刷新列表数据
                        this.fetchData()
                    }
                })
            }).catch(() => {
                // 取消，不用理会
                console.log('取消')
            })
        },
    },

    filters: {
        payTypeFilter (type) {
            /* payTypeOptions.find(obj => {
                return obj.type === type
            }) */
            // 在过滤 器当中不能引用当前实例 this   this.payTypeOptions 错误的
            const payObj = payTypeOptions.find(obj => obj.type === type)
            return payObj ? payObj.name : null
        }
    }
}
</script>