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

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

const searchForm = reactive({ room_type_id: '', floor: '', status: '' })
const pagination = reactive({ page: 1, per_page: 50 })

const formRef = ref(null)
const form = reactive({ id: null, room_type_id: '', floor: '', number: '', sort: 0 })
const isEdit = ref(false)
const formRules = {
  room_type_id: [{ required: true, message: '请选择房型', trigger: 'change' }],
  number: [{ required: true, message: '请输入房间号', trigger: 'blur' }]
}

const statusMap = { 1: '空房', 2: '已预定', 3: '入住', 4: '维修', 5: '清洁' }
const statusType = { 1: 'success', 2: 'warning', 3: 'primary', 4: 'danger', 5: 'info' }

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

async function fetchRoomTypes() {
  try { const res = await roomTypeApi.getList({ per_page: 100 }); roomTypes.value = res.data?.list || res.data?.data || [] } catch {}
}

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

function handleAdd() { isEdit.value = false; Object.assign(form, { id: null, room_type_id: '', floor: '', number: '', sort: 0 }); dialogVisible.value = true }
async function handleEdit(row) { isEdit.value = true; Object.assign(form, { id: row.id, room_type_id: row.room_type_id, floor: row.floor || '', number: row.number, sort: row.sort }); 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 roomApi.update(form.id, form) } else { await roomApi.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) {
  if (row.status === 3) { ElMessage.warning('入住中的房间无法删除'); return }
  await ElMessageBox.confirm(`确定删除房间「${row.number}」吗？`, '删除确认', { type: 'warning' })
  await roomApi.delete(row.id); ElMessage.success('删除成功'); fetchList()
}

async function changeStatus(row, status) {
  await roomApi.updateStatus(row.id, { status })
  ElMessage.success('状态更新成功'); fetchList()
}

function handlePageChange(val) { pagination.page = val; fetchList() }
function handleSizeChange(val) { pagination.per_page = val; pagination.page = 1; fetchList() }
onMounted(() => { fetchList(); fetchRoomTypes() })
</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-select v-model="searchForm.room_type_id" placeholder="房型" clearable style="width:160px"><el-option v-for="t in roomTypes" :key="t.id" :label="t.name" :value="t.id" /></el-select>
      <el-input v-model="searchForm.floor" placeholder="楼层" style="width:100px" 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">
          <span class="font-medium text-gray-700">房间列表</span>
        </div>
        <el-button type="primary" @click="handleAdd">新增房间</el-button>
      </div>
      <div class="px-2">
        <el-table v-loading="loading" :data="tableData" style="width:100%">
          <el-table-column prop="number" label="房间号" width="100" />
          <el-table-column label="房型" min-width="120"><template #default="{ row }">{{ row.room_type?.name || '-' }}</template></el-table-column>
          <el-table-column prop="floor" label="楼层" width="80" align="center" />
          <el-table-column label="状态" width="100" 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="300" fixed="right" align="center">
            <template #default="{ row }">
              <el-button size="small" type="primary" text @click="handleEdit(row)">编辑</el-button>
              <el-dropdown trigger="click" @command="(cmd) => changeStatus(row, cmd)" style="margin:0 8px">
                <el-button size="small" type="warning" text>切换状态</el-button>
                <template #dropdown>
                  <el-dropdown-menu>
                    <el-dropdown-item v-for="(v,k) in statusMap" :key="k" :command="Number(k)" :disabled="row.status===Number(k)">{{ v }}</el-dropdown-item>
                  </el-dropdown-menu>
                </template>
              </el-dropdown>
              <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="[20,50,100]" layout="total,sizes,prev,pager,next,jumper" background @current-change="handlePageChange" @size-change="handleSizeChange" />
      </div>
    </div>
    <el-dialog v-model="dialogVisible" :title="isEdit?'编辑房间':'新增房间'" width="500px" destroy-on-close>
      <el-form ref="formRef" :model="form" :rules="formRules" label-width="80px">
        <el-form-item label="房型" prop="room_type_id"><el-select v-model="form.room_type_id" style="width:100%"><el-option v-for="t in roomTypes" :key="t.id" :label="t.name" :value="t.id" /></el-select></el-form-item>
        <el-form-item label="房间号" prop="number"><el-input v-model="form.number" /></el-form-item>
        <el-form-item label="楼层"><el-input v-model="form.floor" /></el-form-item>
        <el-form-item label="排序"><el-input-number v-model="form.sort" :min="0" /></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>
