import sqlite3
import os

def check_audit_logs():
    """检查审计日志表"""
    try:
        # 连接到数据库
        if os.path.exists('instance/kamaxitong.db'):
            conn = sqlite3.connect('instance/kamaxitong.db')
            cursor = conn.cursor()
            
            # 查询审计日志表
            print("=== 查询审计日志表 ===")
            cursor.execute("SELECT * FROM audit_log ORDER BY create_time DESC LIMIT 10")
            rows = cursor.fetchall()
            
            if rows:
                print(f"找到 {len(rows)} 条审计日志记录:")
                # 获取列名
                column_names = [description[0] for description in cursor.description]
                print("列名:", column_names)
                
                for row in rows:
                    print(row)
            else:
                print("审计日志表为空")
            
            conn.close()
        else:
            print("数据库文件不存在")
            
    except Exception as e:
        print(f"检查审计日志时出现错误: {e}")

def check_log_file():
    """检查日志文件"""
    try:
        print("\n=== 检查日志文件 ===")
        if os.path.exists('logs/kamaxitong.log'):
            # 以二进制模式读取文件
            with open('logs/kamaxitong.log', 'rb') as f:
                content = f.read()
                print(f"日志文件大小: {len(content)} 字节")
                
                # 尝试以不同编码读取
                try:
                    text_content = content.decode('utf-8')
                    lines = text_content.split('\n')
                    print(f"日志文件行数: {len(lines)}")
                    print("最后10行:")
                    for line in lines[-10:]:
                        if line.strip():
                            print(line.strip())
                except UnicodeDecodeError:
                    # 尝试其他编码
                    try:
                        text_content = content.decode('gbk')
                        lines = text_content.split('\n')
                        print(f"日志文件行数: {len(lines)} (GBK编码)")
                        print("最后10行:")
                        for line in lines[-10:]:
                            if line.strip():
                                print(line.strip())
                    except UnicodeDecodeError:
                        print("无法解码日志文件内容")
        else:
            print("日志文件不存在")
    except Exception as e:
        print(f"检查日志文件时出现错误: {e}")

if __name__ == "__main__":
    print("检查日志系统...")
    check_audit_logs()
    check_log_file()