from datetime import datetime

# 模拟数据库中的UTC时间（naive datetime）
db_created_time = datetime(2025, 12, 14, 11, 0, 0)  # UTC时间 11:00

# 模拟当前UTC时间
now_utc = datetime.utcnow()

print(f"Database created time (UTC): {db_created_time}")
print(f"Current UTC time: {now_utc}")

# 计算时间差
elapsed = (now_utc - db_created_time).total_seconds()
print(f"Elapsed seconds: {elapsed}")

# 测试60秒倒计时
countdown_seconds = 60
time_remaining = max(0, int(countdown_seconds - elapsed))
print(f"Time remaining for 60s countdown: {time_remaining} seconds")

# 如果是新创建的宝箱（1秒前创建）
recent_created_time = datetime.utcnow()  # 当前UTC时间
elapsed_recent = (now_utc - recent_created_time).total_seconds()
time_remaining_recent = max(0, int(countdown_seconds - elapsed_recent))
print(f"\nFor recently created chest:")
print(f"Created time: {recent_created_time}")
print(f"Elapsed seconds: {elapsed_recent}")
print(f"Time remaining: {time_remaining_recent} seconds")