<script setup lang="ts">
import { ref, reactive, onMounted } from "vue";
import { ElMessage, ElMessageBox } from "element-plus";
import { useRenderIcon } from "@/components/ReIcon/src/hooks";
import Refresh from "~icons/ep/refresh";
import Link from "~icons/ep/link";
import Remove from "~icons/ep/remove";
import Search from "~icons/ep/search";
import CircleCheck from "~icons/ep/circle-check";
import CircleClose from "~icons/ep/circle-close";
import {
  syncErpShops,
  getErpShopList,
  bindErpShop,
  unbindErpShop,
  autoBindErpShop,
  unbindAllErpShop,
  batchUpdateBindEnabled
} from "@/api/erpShop";
import { getDeviceList } from "@/api/device";

defineOptions({
  name: "ErpShopList"
});

const loading = ref(false);
const syncing = ref(false);
const autoBinding = ref(false);
const unbindingAll = ref(false);
const batchUpdating = ref(false);

const form = reactive({
  keyword: "",
  boundStatus: undefined as number | undefined,
  bindEnabled: undefined as number | undefined
});

const dataList = ref<any[]>([]);
const total = ref(0);
const pagination = reactive({ currentPage: 1, pageSize: 10 });
const deviceOptions = ref<any[]>([]);
const bindDialogVisible = ref(false);
const currentErpShop = ref<any>(null);
const selectedDeviceId = ref<number | null>(null);
const bindLoading = ref(false);
const selectedRows = ref<any[]>([]);

function handleSelectionChange(rows: any[]) {
  selectedRows.value = rows;
}

async function fetchList() {
  loading.value = true;
  try {
    const res = await getErpShopList({
      keyword: form.keyword || undefined,
      boundStatus: form.boundStatus,
      bindEnabled: form.bindEnabled,
      page: pagination.currentPage,
      pageSize: pagination.pageSize
    });
    if (res.code === 200) {
      dataList.value = res.data?.list || [];
      total.value = res.data?.total || 0;
      await fetchBoundStatus();
    }
  } finally {
    loading.value = false;
  }
}

function resetForm() {
  form.keyword = "";
  form.boundStatus = undefined;
  form.bindEnabled = undefined;
  pagination.currentPage = 1;
  fetchList();
}

function handleSearch() {
  pagination.currentPage = 1;
  fetchList();
}

function handlePageChange(page: number) {
  pagination.currentPage = page;
  fetchList();
}

function handleSizeChange(size: number) {
  pagination.currentPage = 1;
  pagination.pageSize = size;
  fetchList();
}

async function fetchBoundStatus() {
  try {
    const res = await getDeviceList({ page: 1, pageSize: 1000 });
    if (res.code === 200) {
      const devices = res.data?.list || res.data || [];
      dataList.value.forEach((erp: any) => {
        const bound = devices.find((d: any) => d.erpShopId === erp.erpShopId);
        erp._boundDevice = bound || null;
      });
    }
  } catch {
    // ignore
  }
}

async function handleSync() {
  syncing.value = true;
  try {
    const res = await syncErpShops();
    if (res.code === 200) {
      ElMessage.success(res.message || "同步任务已启动");
    } else {
      ElMessage.error(res.message || "同步失败");
    }
  } catch {
    ElMessage.error("同步请求失败，请稍后重试");
  } finally {
    syncing.value = false;
  }
}

async function handleAutoBind() {
  autoBinding.value = true;
  try {
    const res = await autoBindErpShop();
    if (res.code === 200) {
      ElMessage.success(res.message || "自动绑定完成");
      await fetchList();
    } else {
      ElMessage.error(res.message || "自动绑定失败");
    }
  } catch {
    ElMessage.error("自动绑定请求失败");
  } finally {
    autoBinding.value = false;
  }
}

async function handleUnbindAll() {
  try {
    await ElMessageBox.confirm(
      "确认解除所有设备与 ERP 店铺的绑定？此操作不可恢复。",
      "一键解绑",
      { type: "error", confirmButtonText: "确认解绑", cancelButtonText: "取消" }
    );
  } catch { return; }

  unbindingAll.value = true;
  try {
    const res = await unbindAllErpShop();
    if (res.code === 200) {
      ElMessage.success(res.message || `已解绑 ${res.data} 台设备`);
      await fetchList();
    } else {
      ElMessage.error(res.message || "解绑失败");
    }
  } catch {
    ElMessage.error("解绑请求失败");
  } finally {
    unbindingAll.value = false;
  }
}

async function handleBatchBindEnabled(bindEnabled: number) {
  if (selectedRows.value.length === 0) {
    ElMessage.warning("请先勾选要操作的店铺");
    return;
  }
  const label = bindEnabled === 1 ? "允许绑定" : "禁止绑定";
  try {
    await ElMessageBox.confirm(
      `确认将 ${selectedRows.value.length} 个店铺设为「${label}」？`,
      "批量修改",
      { type: "warning" }
    );
  } catch { return; }

  batchUpdating.value = true;
  try {
    const ids = selectedRows.value.map((r: any) => r.erpShopId);
    const res = await batchUpdateBindEnabled(ids, bindEnabled);
    if (res.code === 200) {
      ElMessage.success(`已更新 ${res.data} 个店铺`);
      await fetchList();
    } else {
      ElMessage.error(res.message || "操作失败");
    }
  } catch {
    ElMessage.error("操作请求失败");
  } finally {
    batchUpdating.value = false;
  }
}

function openBindDialog(row: any) {
  currentErpShop.value = row;
  selectedDeviceId.value = row._boundDevice?.id || null;
  bindDialogVisible.value = true;
  getDeviceList({ page: 1, pageSize: 1000 }).then(res => {
    if (res.code === 200) {
      deviceOptions.value = res.data?.list || res.data || [];
    }
  });
}

async function handleBind() {
  if (!selectedDeviceId.value) {
    ElMessage.warning("请选择设备");
    return;
  }
  bindLoading.value = true;
  try {
    const res = await bindErpShop(selectedDeviceId.value, currentErpShop.value.erpShopId);
    if (res.code === 200) {
      ElMessage.success("绑定成功");
      bindDialogVisible.value = false;
      await fetchList();
    } else {
      ElMessage.error(res.message || "绑定失败");
    }
  } finally {
    bindLoading.value = false;
  }
}

async function handleUnbind(row: any) {
  if (!row._boundDevice) return;
  try {
    await ElMessageBox.confirm(
      `确认解除设备「${row._boundDevice.deviceId || row._boundDevice.name}」与 ERP 店铺「${row.shopName}」的绑定？`,
      "解除绑定",
      { type: "warning" }
    );
    const res = await unbindErpShop(row._boundDevice.id);
    if (res.code === 200) {
      ElMessage.success("解绑成功");
      await fetchList();
    } else {
      ElMessage.error(res.message || "解绑失败");
    }
  } catch {
    // 取消操作
  }
}

function getBindEnabledTag(bindEnabled: number | null) {
  if (bindEnabled === 0) return { label: "不允许", type: "danger" as const };
  return { label: "允许", type: "success" as const };
}

onMounted(() => {
  fetchList();
});
</script>

<template>
  <div class="main">
    <!-- 搜索表单区域 -->
    <el-form
      :inline="true"
      :model="form"
      class="search-form bg-bg_color w-full pl-8 pt-[12px] overflow-auto"
    >
      <el-form-item label="绑定状态：">
        <el-select
          v-model="form.boundStatus"
          placeholder="全部"
          clearable
          class="w-[140px]!"
          @change="handleSearch"
        >
          <el-option label="已绑定" :value="1" />
          <el-option label="未绑定" :value="0" />
        </el-select>
      </el-form-item>
      <el-form-item label="允许绑定：">
        <el-select
          v-model="form.bindEnabled"
          placeholder="全部"
          clearable
          class="w-[140px]!"
          @change="handleSearch"
        >
          <el-option label="允许" :value="1" />
          <el-option label="不允许" :value="0" />
        </el-select>
      </el-form-item>
      <el-form-item label="店铺名称：">
        <el-input
          v-model="form.keyword"
          placeholder="搜索店铺名称或卖家账号"
          clearable
          class="w-[240px]!"
          @keyup.enter="handleSearch"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          :icon="useRenderIcon(Search)"
          :loading="loading"
          @click="handleSearch"
        >
          搜索
        </el-button>
        <el-button :icon="useRenderIcon(Refresh)" @click="resetForm">
          重置
        </el-button>
      </el-form-item>
    </el-form>

    <!-- 标题 + 操作按钮 + 表格 -->
    <div class="px-6 pt-4">
      <div class="flex items-center justify-between mb-4">
        <h2 class="text-lg font-semibold">ERP 店铺管理</h2>
        <div class="flex items-center gap-2">
          <el-button
            type="primary"
            :icon="useRenderIcon(Refresh)"
            :loading="syncing"
            @click="handleSync"
          >
            从 ERP 同步
          </el-button>
          <el-button
            type="success"
            :loading="autoBinding"
            @click="handleAutoBind"
          >
            一键绑定
          </el-button>
          <el-button
            type="danger"
            :loading="unbindingAll"
            @click="handleUnbindAll"
          >
            一键解绑
          </el-button>
          <el-divider direction="vertical" />
          <el-button
            type="success"
            :icon="useRenderIcon(CircleCheck)"
            :loading="batchUpdating"
            plain
            @click="handleBatchBindEnabled(1)"
          >
            批量允许绑定
          </el-button>
          <el-button
            type="danger"
            :icon="useRenderIcon(CircleClose)"
            :loading="batchUpdating"
            plain
            @click="handleBatchBindEnabled(0)"
          >
            批量禁止绑定
          </el-button>
        </div>
      </div>

      <el-table
        v-loading="loading"
        :data="dataList"
        border
        stripe
        style="width: 100%"
        empty-text="暂无数据，请先同步ERP店铺"
        :row-style="{ height: '64px' }"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="50" fixed="left" />
        <el-table-column prop="erpShopId" label="ERP店铺ID" width="160" align="center" />
        <el-table-column prop="shopName" label="店铺名称" min-width="180" show-overflow-tooltip />
        <el-table-column prop="nickName" label="卖家账号" min-width="160" show-overflow-tooltip />
        <el-table-column prop="shopCode" label="设备ID(shopCode)" width="180" align="center" show-overflow-tooltip />
        <el-table-column label="允许绑定" width="100" align="center">
          <template #default="{ row }">
            <el-tag
              :type="getBindEnabledTag(row.bindEnabled).type"
              size="small"
            >
              {{ getBindEnabledTag(row.bindEnabled).label }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column label="绑定设备" min-width="180">
          <template #default="{ row }">
            <el-popover
              v-if="row._boundDevice"
              trigger="hover"
              placement="right"
              :width="260"
            >
              <template #reference>
                <el-tag type="success" size="small" style="cursor:default">
                  {{ row._boundDevice.deviceId }}-{{ row._boundDevice.name || '未命名' }}
                </el-tag>
              </template>
              <div class="text-sm">
                <div class="font-medium text-base mb-3">{{ row._boundDevice.name || row._boundDevice.deviceId }}</div>
                <div class="grid grid-cols-[60px_1fr] gap-y-2 gap-x-2 text-xs">
                  <span class="text-gray-400">设备名称</span>
                  <span>{{ row._boundDevice.name || '-' }}</span>
                  <span class="text-gray-400">设备ID</span>
                  <span>{{ row._boundDevice.deviceId || '-' }}</span>
                  <span class="text-gray-400">所属门店</span>
                  <span>{{ row._boundDevice.shopName || row._boundDevice.shopId || '-' }}</span>
                  <span class="text-gray-400">地址</span>
                  <span>{{ row._boundDevice.address || '-' }}</span>
                </div>
              </div>
            </el-popover>
            <span v-else class="text-gray-400">未绑定</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="160" fixed="right" align="center">
          <template #default="{ row }">
            <el-button
              v-if="!row._boundDevice"
              link
              type="primary"
              :icon="useRenderIcon(Link)"
              size="small"
              @click="openBindDialog(row)"
            >
              绑定
            </el-button>
            <el-button
              v-else
              link
              type="danger"
              :icon="useRenderIcon(Remove)"
              size="small"
              @click="handleUnbind(row)"
            >
              解绑
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <div class="flex justify-end mt-4">
        <el-pagination
          v-model:current-page="pagination.currentPage"
          v-model:page-size="pagination.pageSize"
          :total="total"
          :page-sizes="[10, 20, 50, 100]"
          layout="total, sizes, prev, pager, next, jumper"
          background
          @current-change="handlePageChange"
          @size-change="handleSizeChange"
        />
      </div>
    </div>

    <!-- 绑定对话框 -->
    <el-dialog
      v-model="bindDialogVisible"
      title="绑定设备"
      width="500px"
      :close-on-click-modal="false"
    >
      <el-form label-width="100px">
        <el-form-item label="ERP 店铺">
          <el-input
            :model-value="currentErpShop?.shopName + ' (' + currentErpShop?.erpShopId + ')'"
            disabled
          />
        </el-form-item>
        <el-form-item label="选择设备">
          <el-select
            v-model="selectedDeviceId"
            placeholder="请选择要绑定的设备"
            clearable
            filterable
            class="w-full!"
          >
            <el-option
              v-for="d in deviceOptions"
              :key="d.id"
              :label="d.deviceId + ' - ' + (d.name || '未命名')"
              :value="d.id"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button @click="bindDialogVisible = false">取消</el-button>
        <el-button type="primary" :loading="bindLoading" @click="handleBind">确认绑定</el-button>
      </template>
    </el-dialog>
  </div>
</template>
