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

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

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

const formRef = ref(null)
const form = reactive({ id: null, name: '', face_value: 0, sell_price: 0, discount_rate: 1, validity_days: 365, status: 1, sort: 0 })
const isEdit = ref(false)
const formRules = { name: [{ required: true, message: '请输入储值卡名称', trigger: 'blur' }] }

async function fetchList() {
  loading.value = true
  try {
    const res = await prepaidCardApi.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, { name: '', status: '' }); handleSearch() }

function handleAdd() {
  isEdit.value = false
  Object.assign(form, { id: null, name: '', face_value: 0, sell_price: 0, discount_rate: 1, validity_days: 365, status: 1, sort: 0 })
  dialogVisible.value = true
}
async function handleEdit(row) { isEdit.value = true; Object.assign(form, { ...row }); 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 prepaidCardApi.update(form.id, form); ElMessage.success('更新成功') }
      else { await prepaidCardApi.create(form); ElMessage.success('创建成功') }
      dialogVisible.value = false; fetchList()
    } finally { submitLoading.value = false }
  })
}

async function handleDelete(row) {
  await ElMessageBox.confirm(`确定删除储值卡「${row.name}」吗？`, '删除确认', { type: 'warning' })
  await prepaidCardApi.delete(row.id); ElMessage.success('删除成功'); 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.name" placeholder="储值卡名称" style="width:180px" clearable @keydown.enter="handleSearch" />
      <el-select v-model="searchForm.status" placeholder="状态" clearable style="width:120px">
        <el-option label="启用" :value="1" />
        <el-option label="停用" :value="0" />
      </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">
          <span class="font-medium text-gray-700">储值卡列表</span>
        </div>
        <el-button type="primary" @click="handleAdd">新增储值卡</el-button>
      </div>
      <div class="px-2">
        <el-table v-loading="loading" :data="tableData" style="width:100%">
          <el-table-column prop="name" label="储值卡名称" min-width="150" />
          <el-table-column prop="face_value" label="面值" width="100" align="right" />
          <el-table-column prop="sell_price" label="售价" width="100" align="right" />
          <el-table-column prop="discount_rate" label="折扣率" width="90" align="center" />
          <el-table-column prop="validity_days" label="有效期(天)" width="100" align="center" />
          <el-table-column label="状态" width="80" align="center"><template #default="{ row }"><el-tag :type="row.status?'success':'danger'" size="small">{{ row.status?'启用':'停用' }}</el-tag></template></el-table-column>
          <el-table-column label="操作" width="160" fixed="right" align="center">
            <template #default="{ row }">
              <el-button size="small" type="primary" text @click="handleEdit(row)">编辑</el-button>
              <el-button 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="[10,15,20,50]" layout="total,sizes,prev,pager,next,jumper" background @current-change="handlePageChange" @size-change="handleSizeChange" />
      </div>
    </div>
    <el-dialog v-model="dialogVisible" :title="isEdit?'编辑储值卡':'新增储值卡'" width="500px" destroy-on-close>
      <el-form ref="formRef" :model="form" :rules="formRules" label-width="100px">
        <el-form-item label="储值卡名称" prop="name"><el-input v-model="form.name" placeholder="请输入储值卡名称" /></el-form-item>
        <el-form-item label="面值"><el-input-number v-model="form.face_value" :min="0" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="售价"><el-input-number v-model="form.sell_price" :min="0" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="折扣率"><el-input-number v-model="form.discount_rate" :min="0" :max="1" :step="0.01" :precision="2" style="width:100%" /></el-form-item>
        <el-form-item label="有效期(天)"><el-input-number v-model="form.validity_days" :min="1" style="width:100%" /></el-form-item>
        <el-form-item label="状态"><el-switch v-model="form.status" :active-value="1" :inactive-value="0" /></el-form-item>
        <el-form-item label="排序"><el-input-number v-model="form.sort" :min="0" :max="999" /></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>
