<?php

namespace App\Module\GameItems\AdminForms;

use App\Module\GameItems\Repositorys\ItemRepository;
use App\Module\GameItems\Services\ItemService;
use Dcat\Admin\Contracts\LazyRenderable;
use Dcat\Admin\Traits\LazyWidget;
use Dcat\Admin\Widgets\Form;
use Exception;
use Illuminate\Support\Facades\DB;

/**
 * 添加物品表单
 *
 * 用于在后台添加物品到用户背包
 */
class AddItemForm extends Form implements LazyRenderable
{
    use LazyWidget;

    /**
     * 处理表单提交
     *
     * @param array $input
     * @return mixed
     */
    public function handle(array $input)
    {
        try {
            $userId = (int) $input['user_id'];
            $itemId = (int) $input['item_id'];
            $quantity = (int) $input['quantity'];

            DB::beginTransaction();
            // 调用ItemService添加物品
            $itemService = new ItemService();
            $result = $itemService->addItem($userId, $itemId, $quantity, [
                'source_type' => 'admin_add',
                'source_id' => 0,
                'details' => [
                    'admin_id' => auth('admin')->id(),
                    'admin_name' => auth('admin')->user()->name,
                    'remark' => $input['remark'] ?? '',
                ],
            ]);

            if (!empty($result['success'])) {
                DB::commit();
                return $this->response()
                    ->success('物品添加成功')
                    ->refresh();
            }
            DB::rollBack();
            return $this->response()->error('物品添加失败');
        } catch (Exception $e) {
            DB::rollBack();
            return $this->response()->error('操作失败: ' . $e->getMessage());
        }
    }

    /**
     * 构建表单
     */
    public function form()
    {
        // 添加确认提示
        $this->confirm('确定要添加物品吗？');

        // 用户ID
        $this->text('user_id', '用户ID')
            ->required()
            ->help('物品将添加到该用户的背包中');

        // 物品选择
        $this->select('item_id', '物品')
            ->options(function () {
                return \App\Module\GameItems\Models\Item::pluck('name', 'id')->toArray();
            })
            ->required()
            ->help('选择要添加的物品');

        // 数量
        $this->number('quantity', '数量')
            ->default(1)
            ->min(1)
            ->required()
            ->help('添加物品的数量，单独属性物品将自动设为1');

        // 备注
        $this->textarea('remark', '备注')
            ->rows(3)
            ->help('添加物品的备注信息，仅用于记录');
    }
}