<script setup>
import { ref, reactive, onMounted } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { serviceOrderApi } from '@/api/service.js'

const tableData = ref([])
const total = ref(0)
const loading = ref(false)
const dialogVisible = ref(false)
const submitLoading = ref(false)

const searchForm = reactive({ order_no: '', status: '' })
const pagination = reactive({ page: 1, per_page: 15 })

const formRef = ref(null)
const form = reactive({ id: null, customer_id: '', order_no: '', type: '', total_amount: 0, discount_amount: 0, actual_amount: 0, remark: '' })
const isEdit = ref(false)
const formRules = {
  customer_id: [{ required: true, message: '请选择客户', trigger: 'change' }],
  order_no: [{ required: true, message: '请输入订单号', trigger: 'blur' }],
  actual_amount: [{ required: true, message: '请输入实付金额', trigger: 'blur' }]
}

const statusMap = { 0: '待付款', 1: '已付款', 2: '已完成', 3: '已取消' }
const statusType = { 0: 'info', 1: 'warning', 2: 'success', 3: 'danger' }
const typeMap = { 1: '单项服务', 2: '套餐', 3: '产康', 4: '其他' }

async function fetchList() {
  loading.value = true
  try {
    const res = await serviceOrderApi.getList({ ...searchForm, ...pagination })
    tableData.value = res.data?.list || res.data?.data || []
    total.value = res.data?.total || 0
  } finally { loading.value = false }
}

function handleSearch() { pagination.page = 1; fetchList() }
function handleReset() { Object.assign(searchForm, { order_no: '', status: '' }); handleSearch() }

function handleAdd() { isEdit.value = false; Object.assign(form, { id: null, customer_id: '', order_no: '', type: '', total_amount: 0, discount_amount: 0, actual_amount: 0, remark: '' }); dialogVisible.value = true }
function handleEdit(row) { isEdit.value = true; Object.assign(form, { id: row.id, customer_id: row.customer_id, order_no: row.order_no, type: row.type, total_amount: row.total_amount, discount_amount: row.discount_amount, actual_amount: row.actual_amount, remark: row.remark || '' }); dialogVisible.value = true }

async function handleSubmit() {
  if (!formRef.value) return
  await formRef.value.validate(async (valid) => {
    if (!valid) return
    submitLoading.value = true
    try {
      if (isEdit.value) { await serviceOrderApi.update(form.id, form) } else { await serviceOrderApi.create(form) }
      ElMessage.success(isEdit.value ? '更新成功' : '创建成功'); dialogVisible.value = false; fetchList()
    } finally { submitLoading.value = false }
  })
}

async function handleDelete(row) {
  await ElMessageBox.confirm(`确定删除订单「${row.order_no}」吗？`, '删除确认', { type: 'warning' })
  await serviceOrderApi.delete(row.id); ElMessage.success('删除成功'); fetchList()
}

async function handlePay(row) {
  await ElMessageBox.confirm('确认客户已付款？', '付款确认', { type: 'warning' })
  await serviceOrderApi.pay(row.id, { pay_method: 1 }); ElMessage.success('付款成功'); fetchList()
}

async function handleComplete(row) {
  await ElMessageBox.confirm('确认订单已完成？', '完成确认', { type: 'warning' })
  await serviceOrderApi.complete(row.id); ElMessage.success('已完成'); fetchList()
}

function handlePageChange(val) { pagination.page = val; fetchList() }
function handleSizeChange(val) { pagination.per_page = val; pagination.page = 1; fetchList() }
onMounted(() => fetchList())
</script>

<template>
  <div class="p-6 space-y-4">
    <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-4 flex items-center flex-wrap gap-3">
      <el-input v-model="searchForm.order_no" placeholder="订单号" style="width:180px" clearable />
      <el-select v-model="searchForm.status" placeholder="状态" clearable style="width:120px"><el-option v-for="(v,k) in statusMap" :key="k" :label="v" :value="Number(k)" /></el-select>
      <el-button type="primary" @click="handleSearch">查询</el-button>
      <el-button @click="handleReset">重置</el-button>
    </div>
    <div class="bg-white rounded-2xl border border-gray-100 shadow-sm">
      <div class="flex items-center justify-between px-5 py-4 border-b border-gray-50">
        <div class="flex items-center gap-3"></div>
        <el-button type="primary" @click="handleAdd">新增订单</el-button>
      </div>
      <div class="px-2">
        <el-table v-loading="loading" :data="tableData" style="width:100%">
          <el-table-column prop="order_no" label="订单号" min-width="160" />
          <el-table-column label="客户" min-width="120"><template #default="{ row }">{{ row.customer?.name || '-' }}</template></el-table-column>
          <el-table-column label="类型" width="100"><template #default="{ row }">{{ typeMap[row.type] || '-' }}</template></el-table-column>
          <el-table-column prop="actual_amount" label="实付(元)" width="100" align="right" />
          <el-table-column label="状态" width="90" align="center"><template #default="{ row }"><el-tag :type="statusType[row.status]" size="small">{{ statusMap[row.status] }}</el-tag></template></el-table-column>
          <el-table-column label="操作" width="260" fixed="right" align="center">
            <template #default="{ row }">
              <el-button v-if="row.status===0" size="small" type="success" text @click="handlePay(row)">付款</el-button>
              <el-button v-if="row.status===1" size="small" type="primary" text @click="handleComplete(row)">完成</el-button>
              <el-button v-if="row.status<2" size="small" type="primary" text @click="handleEdit(row)">编辑</el-button>
              <el-button v-if="row.status===0" size="small" type="danger" text @click="handleDelete(row)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
      <div class="px-5 py-3 border-t border-gray-50">
        <el-pagination v-model:current-page="pagination.page" v-model:page-size="pagination.per_page" :total="total" :page-sizes="[15,30,50]" layout="total,sizes,prev,pager,next,jumper" background @current-change="handlePageChange" @size-change="handleSizeChange" />
      </div>
    </div>
    <el-dialog v-model="dialogVisible" :title="isEdit?'编辑订单':'新增订单'" width="550px" destroy-on-close>
      <el-form ref="formRef" :model="form" :rules="formRules" label-width="90px">
        <el-form-item label="客户ID" prop="customer_id"><el-input v-model="form.customer_id" /></el-form-item>
        <el-form-item label="订单号" prop="order_no"><el-input v-model="form.order_no" :disabled="isEdit" /></el-form-item>
        <el-form-item label="类型"><el-select v-model="form.type" style="width:100%"><el-option v-for="(v,k) in typeMap" :key="k" :label="v" :value="Number(k)" /></el-select></el-form-item>
        <el-form-item label="总金额"><el-input-number v-model="form.total_amount" :min="0" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="优惠金额"><el-input-number v-model="form.discount_amount" :min="0" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="实付金额" prop="actual_amount"><el-input-number v-model="form.actual_amount" :min="0" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="备注"><el-input v-model="form.remark" type="textarea" :rows="2" /></el-form-item>
      </el-form>
      <template #footer><el-button @click="dialogVisible=false">取消</el-button><el-button type="primary" :loading="submitLoading" @click="handleSubmit">确定</el-button></template>
    </el-dialog>
  </div>
</template>
