<?php

namespace App\Http\Controllers;

use App\Http\Requests\WarehouseTemplateBindingRequest;
use App\Models\WarehouseTemplateBinding;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class WarehouseTemplateBindingController extends Controller
{
    /**
     * 获取仓库的绑定列表
     */
    public function getWarehouseBindings(string $warehouseId)
    {
        $bindings = WarehouseTemplateBinding::with(['warehouse', 'template'])
            ->where('warehouse_id', $warehouseId)
            ->get();

        return response()->json([
            'code' => 200,
            'data' => $bindings,
            'message' => 'success'
        ]);
    }

    /**
     * 新增绑定
     */
    public function store(WarehouseTemplateBindingRequest $request)
    {
        // 检查是否已存在相同平台绑定
        $existingBinding = WarehouseTemplateBinding::where('warehouse_id', $request->warehouse_id)
            ->where('platform', $request->platform)
            ->first();

        if ($existingBinding) {
            return response()->json([
                'code' => 400,
                'message' => '该仓库已绑定此平台的模板'
            ], 400);
        }

        try {
            $binding = WarehouseTemplateBinding::create([
                'warehouse_id' => $request->warehouse_id,
                'platform' => $request->platform,
                'template_id' => $request->template_id,
            ]);

            return response()->json([
                'code' => 200,
                'data' => $binding->load(['warehouse', 'template']),
                'message' => '绑定成功'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'code' => 500,
                'message' => '绑定失败: ' . $e->getMessage()
            ], 500);
        }
    }

    /**
     * 更新绑定（更换模板）
     */
    public function update(WarehouseTemplateBindingRequest $request, string $id)
    {
        $binding = WarehouseTemplateBinding::find($id);

        if (!$binding) {
            return response()->json([
                'code' => 404,
                'message' => '绑定记录不存在'
            ], 404);
        }

        try {
            $binding->update([
                'template_id' => $request->template_id,
            ]);

            return response()->json([
                'code' => 200,
                'data' => $binding->load(['warehouse', 'template']),
                'message' => '更新成功'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'code' => 500,
                'message' => '更新失败: ' . $e->getMessage()
            ], 500);
        }
    }

    /**
     * 删除绑定
     */
    public function destroy(string $id)
    {
        $binding = WarehouseTemplateBinding::find($id);

        if (!$binding) {
            return response()->json([
                'code' => 404,
                'message' => '绑定记录不存在'
            ], 404);
        }

        try {
            $binding->delete();

            return response()->json([
                'code' => 200,
                'message' => '解绑成功'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'code' => 500,
                'message' => '解绑失败: ' . $e->getMessage()
            ], 500);
        }
    }
}