<?php

namespace App\Http\Controllers\Admin\System;

use App\Http\Controllers\Controller;
use App\Models\Store;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class StoreController extends Controller
{
    public function index(Request $request): JsonResponse
    {
        $query = Store::with('region');

        if ($request->keyword) {
            $query->where('name', 'like', "%{$request->keyword}%");
        }
        if ($request->has('status')) {
            $query->where('status', $request->status);
        }

        $stores = $query->orderByDesc('id')
            ->paginate($request->input('page_size', 20));

        return $this->paginate($stores);
    }

    public function store(Request $request): JsonResponse
    {
        $data = $request->validate([
            'region_id' => 'required|exists:regions,id',
            'name' => 'required|string|max:100',
            'code' => 'nullable|string|max:20|unique:stores,code',
            'address' => 'nullable|string|max:255',
            'phone' => 'nullable|string|max:20',
            'status' => 'in:0,1',
        ]);

        $store = Store::create($data);
        return $this->success($store, '创建成功');
    }

    public function show(Store $store): JsonResponse
    {
        $store->load('region');
        return $this->success($store);
    }

    public function update(Request $request, Store $store): JsonResponse
    {
        $data = $request->validate([
            'region_id' => 'exists:regions,id',
            'name' => 'string|max:100',
            'code' => 'nullable|string|max:20|unique:stores,code,' . $store->id,
            'address' => 'nullable|string|max:255',
            'phone' => 'nullable|string|max:20',
            'status' => 'in:0,1',
        ]);

        $store->update($data);
        return $this->success($store, '更新成功');
    }

    public function destroy(Store $store): JsonResponse
    {
        if ($store->users()->exists()) {
            return $this->error('该门店下还有员工，无法删除');
        }
        $store->delete();
        return $this->success(null, '删除成功');
    }
}