<?php

namespace App\Module\GameItems\Logics;

use App\Module\GameItems\Models\ItemRecipe;

/**
 * 配方逻辑类
 */
class Recipe
{
    /**
     * 检查用户是否可以合成该配方
     *
     * @param ItemRecipe $recipe 配方模型
     * @param int $userId 用户ID
     * @return array 检查结果，包含是否可合成和原因
     */
    public function canCraftByUser(ItemRecipe $recipe, int $userId): array
    {
        // 检查配方是否已解锁
        $userRecipe = $recipe->userRecipes()->where('user_id', $userId)->first();
        if (!$userRecipe || !$userRecipe->is_unlocked) {
            return [
                'can_craft' => false,
                'reason' => '配方未解锁',
            ];
        }

        // 检查冷却时间
        if ($recipe->cooldown_seconds > 0) {
            $lastCraft = $recipe->craftLogs()
                ->where('user_id', $userId)
                ->where('created_at', '>', now()->subSeconds($recipe->cooldown_seconds))
                ->first();

            if ($lastCraft) {
                $remainingSeconds = $recipe->cooldown_seconds - now()->diffInSeconds($lastCraft->created_at);
                return [
                    'can_craft' => false,
                    'reason' => '冷却中',
                    'remaining_seconds' => $remainingSeconds,
                ];
            }
        }

        return [
            'can_craft' => true,
            'reason' => '',
        ];
    }
}