<?php

namespace App\Http\Controllers;

use App\Http\Requests\TemplateRequest;
use App\Models\Template;
use App\Models\WarehouseTemplateBinding;
use Illuminate\Http\Request;

class TemplateController extends Controller
{
    /**
     * 模板列表
     */
    public function index(Request $request)
    {
        $query = Template::orderBy('created_at', 'desc');

        // 筛选条件
        if ($request->filled('platform')) {
            $query->where('platform', $request->platform);
        }

        if ($request->filled('name')) {
            $query->where('name', 'like', '%' . $request->name . '%');
        }

        $perPage = $request->input('limit', 10);
        $templates = $query->paginate($perPage);

        return response()->json([
            'code' => 200,
            'data' => [
                'list' => $templates->items(),
                'total' => $templates->total(),
                'current_page' => $templates->currentPage(),
                'last_page' => $templates->lastPage(),
            ],
            'message' => 'success'
        ]);
    }

    /**
     * 创建模板
     */
    public function store(TemplateRequest $request)
    {
        try {
            $template = Template::create([
                'name' => $request->name,
                'platform' => $request->platform,
                'size' => $request->size,
                'style' => $request->style,
                'default_express' => $request->default_express,
                'sender_name' => $request->sender_name,
                'sender_phone' => $request->sender_phone,
                'sender_address' => $request->sender_address,
                'show_product' => $request->show_product ?? true,
                'remark' => $request->remark,
            ]);

            return response()->json([
                'code' => 200,
                'data' => $template,
                'message' => '模板创建成功'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'code' => 500,
                'message' => '创建失败: ' . $e->getMessage()
            ], 500);
        }
    }

    /**
     * 模板详情
     */
    public function show(string $id)
    {
        $template = Template::find($id);

        if (!$template) {
            return response()->json([
                'code' => 404,
                'message' => '模板不存在'
            ], 404);
        }

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

    /**
     * 更新模板
     */
    public function update(TemplateRequest $request, string $id)
    {
        $template = Template::find($id);

        if (!$template) {
            return response()->json([
                'code' => 404,
                'message' => '模板不存在'
            ], 404);
        }

        try {
            $template->update([
                'name' => $request->name,
                'platform' => $request->platform,
                'size' => $request->size,
                'style' => $request->style,
                'default_express' => $request->default_express,
                'sender_name' => $request->sender_name,
                'sender_phone' => $request->sender_phone,
                'sender_address' => $request->sender_address,
                'show_product' => $request->show_product ?? $template->show_product,
                'remark' => $request->remark,
            ]);

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

    /**
     * 删除模板
     */
    public function destroy(string $id)
    {
        $template = Template::find($id);

        if (!$template) {
            return response()->json([
                'code' => 404,
                'message' => '模板不存在'
            ], 404);
        }

        // 检查模板是否被仓库绑定
        $bindingCount = WarehouseTemplateBinding::where('template_id', $id)->count();
        if ($bindingCount > 0) {
            return response()->json([
                'code' => 400,
                'message' => '模板已被仓库绑定，无法删除'
            ], 400);
        }

        try {
            $template->delete();

            return response()->json([
                'code' => 200,
                'message' => '模板删除成功'
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'code' => 500,
                'message' => '删除失败: ' . $e->getMessage()
            ], 500);
        }
    }
}