<?php

/**
 * 手动测试脚本：验证解冻过程中的并发安全性
 * 
 * 测试lock for update是否能正确处理并发场景
 */

require_once __DIR__ . '/../vendor/autoload.php';

use App\Module\GameItems\Services\ItemService;
use App\Module\GameItems\Enums\FREEZE_REASON_TYPE;
use Illuminate\Support\Facades\DB;

// 启动Laravel应用
$app = require_once __DIR__ . '/../bootstrap/app.php';
$app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();

echo "=== 物品解冻并发安全性测试 ===\n\n";

try {
    DB::beginTransaction();
    
    $userId = 1001;
    $itemId = 1;
    $freezeQuantity = 100;
    $consumeQuantity = 60;
    
    echo "1. 准备测试数据\n";
    
    // 添加物品（确保有足够的物品用于测试）
    $addResult = ItemService::addItem($userId, $itemId, 200);
    echo "   添加物品: " . json_encode($addResult, JSON_UNESCAPED_UNICODE) . "\n";
    
    // 冻结物品
    echo "\n2. 冻结物品\n";
    $freezeResult = ItemService::freezeItem(
        $userId, 
        $itemId, 
        null,
        $freezeQuantity, 
        FREEZE_REASON_TYPE::TRADE_ORDER->value,
        [
            'source_id' => 12345,
            'source_type' => 'test_order',
            'operator_id' => 1
        ]
    );
    $freezeLogId = $freezeResult['frozen_items'][0]['freeze_log_id'];
    echo "   冻结成功，日志ID: {$freezeLogId}\n";
    
    // 消耗部分冻结物品
    echo "\n3. 消耗部分冻结物品\n";
    $consumeResult = ItemService::consumeItem(
        $userId, 
        $itemId, 
        null,
        $consumeQuantity, 
        [
            'include_frozen' => true,
            'source_type' => 'test_consume',
            'source_id' => 67890
        ]
    );
    echo "   消耗成功: {$consumeQuantity}个\n";
    
    // 检查当前状态
    echo "\n4. 检查当前物品状态\n";
    $userItems = DB::table('item_users')
        ->where('user_id', $userId)
        ->where('item_id', $itemId)
        ->get();
    
    foreach ($userItems as $item) {
        $frozenStatus = $item->is_frozen ? '冻结' : '可用';
        echo "   物品堆ID: {$item->id}, 数量: {$item->quantity}, 状态: {$frozenStatus}\n";
    }
    
    // 模拟并发场景：在解冻的同时消耗可用物品
    echo "\n5. 模拟并发场景测试\n";
    
    echo "   开始解冻操作（会锁定可用物品）...\n";

    // 这个操作会锁定可用物品记录
    $unfreezeResult = ItemService::unfreezeItem($freezeLogId);

    echo "   解冻成功: " . json_encode($unfreezeResult, JSON_UNESCAPED_UNICODE) . "\n";
    echo "   补足差额: " . ($unfreezeResult['shortage_compensated'] ?? 0) . "\n";

    // 检查解冻后的状态
    echo "\n6. 检查解冻后的物品状态\n";
    $userItemsAfter = DB::table('item_users')
        ->where('user_id', $userId)
        ->where('item_id', $itemId)
        ->get();

    foreach ($userItemsAfter as $item) {
        $frozenStatus = $item->is_frozen ? '冻结' : '可用';
        echo "   物品堆ID: {$item->id}, 数量: {$item->quantity}, 状态: {$frozenStatus}\n";
    }
    
    // 测试边界情况：可用数量刚好不足
    echo "\n7. 测试边界情况：可用数量不足\n";
    
    // 消耗大部分可用物品，使其不足以补足
    $availableQuantity = DB::table('item_users')
        ->where('user_id', $userId)
        ->where('item_id', $itemId)
        ->where('is_frozen', false)
        ->sum('quantity');
    
    echo "   当前可用数量: {$availableQuantity}\n";
    
    if ($availableQuantity > 10) {
        $consumeMore = $availableQuantity - 5; // 留5个，不足以补足
        echo "   消耗更多可用物品: {$consumeMore}个\n";
        
        $consumeResult2 = ItemService::consumeItem(
            $userId, 
            $itemId, 
            null,
            $consumeMore, 
            [
                'include_frozen' => false, // 只消耗可用物品
                'source_type' => 'test_consume_more',
                'source_id' => 67891
            ]
        );
        
        // 重新冻结更多数量，然后部分消耗，创建需要补足但数量不足的场景
        $freezeResult2 = ItemService::freezeItem(
            $userId,
            $itemId,
            null,
            5, // 冻结5个
            FREEZE_REASON_TYPE::TRADE_ORDER->value,
            [
                'source_id' => 12346,
                'source_type' => 'test_order_2',
                'operator_id' => 1
            ]
        );
        $freezeLogId2 = $freezeResult2['frozen_items'][0]['freeze_log_id'];

        // 部分消耗这个冻结堆（消耗3个，剩余2个）
        $consumeResult3 = ItemService::consumeItem(
            $userId,
            $itemId,
            null,
            3,
            [
                'include_frozen' => true,
                'source_type' => 'test_consume_partial',
                'source_id' => 67892
            ]
        );

        echo "   冻结5个，消耗3个，剩余2个，需要补足3个，但可用数量不足\n";
        
        // 尝试解冻（应该失败，因为可用数量不足）
        echo "   尝试解冻（预期失败）...\n";
        try {
            $unfreezeResult2 = ItemService::unfreezeItem($freezeLogId2);
            echo "   意外成功: " . json_encode($unfreezeResult2, JSON_UNESCAPED_UNICODE) . "\n";
        } catch (Exception $e) {
            echo "   预期失败: " . $e->getMessage() . "\n";
        }
        
        // 测试安全解冻
        echo "   尝试安全解冻...\n";
        try {
            $safeUnfreezeResult = ItemService::safeUnfreezeItem($freezeLogId2);
            echo "   安全解冻结果: " . json_encode($safeUnfreezeResult, JSON_UNESCAPED_UNICODE) . "\n";
        } catch (Exception $e) {
            echo "   安全解冻失败: " . $e->getMessage() . "\n";
        }
    }
    
    echo "\n=== 测试完成 ===\n";
    
    DB::rollback();
    echo "已回滚测试数据\n";
    
} catch (Exception $e) {
    DB::rollback();
    echo "测试失败: " . $e->getMessage() . "\n";
    echo "堆栈跟踪: " . $e->getTraceAsString() . "\n";
}