<?php

namespace App\Module\Game\Handler;

use App\Module\Game\Services\SkinService;
use App\Module\Game\Validation\SkinValidation;
use UCore\Handler\HandlerCore;
use UCore\Res;

/**
 * 皮肤Handler
 * 
 * 处理皮肤相关的客户端请求
 */
class SkinHandler extends HandlerCore
{
    /**
     * 获取用户皮肤信息
     * 
     * @param array $args 参数
     * @return array
     */
    public function getUserSkinInfo(array $args): array
    {
        $userId = $this->getUserId();
        
        $skinInfo = SkinService::getUserSkinInfo($userId);
        
        if (!$skinInfo) {
            // 如果没有皮肤信息，尝试初始化
            $initResult = SkinService::initUserSkin($userId);
            if ($initResult->success) {
                $skinInfo = SkinService::getUserSkinInfo($userId);
            }
        }
        
        return [
            'code' => self::RESPONSE_CODE,
            'data' => $skinInfo ? $skinInfo->toArray() : [
                'user_id' => $userId,
                'current_skin_id' => 1,
                'current_skin_name' => '默认皮肤',
                'owned_skins' => [1],
                'owned_skins_detail' => [
                    [
                        'id' => 1,
                        'name' => '默认皮肤',
                        'is_current' => true,
                    ]
                ]
            ]
        ];
    }

    /**
     * 切换皮肤
     * 
     * @param array $args 参数 ['skin_id' => int]
     * @return array
     */
    public function changeSkin(array $args): array
    {
        // 验证参数
        $validation = new SkinValidation();
        $validation->skinId = $args['skin_id'] ?? 0;
        $validation->userId = $this->getUserId();
        
        $validationResult = $validation->changeSkin();
        if (!$validationResult->success) {
            return [
                'code' => 1,
                'message' => $validationResult->errorMessage
            ];
        }
        
        // 切换皮肤
        $result = SkinService::changeSkin($this->getUserId(), $args['skin_id']);
        
        if ($result->success) {
            return [
                'code' => self::RESPONSE_CODE,
                'message' => '皮肤切换成功',
                'data' => [
                    'skin_id' => $args['skin_id'],
                    'skin_name' => SkinService::getSkinName($args['skin_id'])
                ]
            ];
        } else {
            return [
                'code' => 1,
                'message' => $result->errorMessage
            ];
        }
    }

    /**
     * 获取所有可用皮肤
     * 
     * @param array $args 参数
     * @return array
     */
    public function getAllSkins(array $args): array
    {
        $allSkins = SkinService::getAllSkins();
        $userId = $this->getUserId();
        $ownedSkins = SkinService::getOwnedSkins($userId);
        $currentSkinId = SkinService::getCurrentSkinId($userId);
        
        $skinList = [];
        foreach ($allSkins as $skinId => $skinName) {
            $skinList[] = [
                'id' => $skinId,
                'name' => $skinName,
                'is_owned' => in_array($skinId, $ownedSkins),
                'is_current' => $skinId === $currentSkinId,
            ];
        }
        
        return [
            'code' => self::RESPONSE_CODE,
            'data' => [
                'skins' => $skinList,
                'current_skin_id' => $currentSkinId,
                'owned_count' => count($ownedSkins),
                'total_count' => count($allSkins)
            ]
        ];
    }
}