//
//  QXLogger.m
//  QXLive
//
//  Created by 启星 on 2025/12/18.
//

#import "QXLogger.h"
#import <sys/utsname.h>
#import <mach/mach.h>
#include <CommonCrypto/CommonCrypto.h>

// 静态变量
static dispatch_queue_t _logQueue = nil;
static QXLogConfig *_config = nil;
static NSMutableArray<NSString *> *_logBuffer = nil;
static NSMutableArray<void (^)(QXLogLevel, NSString *, NSString *)> *_customHandlers = nil;
static BOOL _isEnabled = YES;
static NSDateFormatter *_dateFormatter = nil;
static NSFileHandle *_currentFileHandle = nil;
static NSString *_currentLogFilePath = nil;
static void (^_uploadHandler)(NSArray<NSString *> *, void (^)(BOOL)) = nil;

@implementation QXLogConfig

+ (instancetype)sharedConfig {
    static QXLogConfig *instance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        instance = [[QXLogConfig alloc] init];
    });
    return instance;
}

- (instancetype)init {
    self = [super init];
    if (self) {
        _minLogLevel = QXLogLevelDebug;
        _logTarget = QXLogTargetConsole | QXLogTargetFile;
        _maxLogFileSize = 5 * 1024 * 1024; // 5MB
        _maxLogFileCount = 10;
        _logSaveDays = 7;
        _enableNetworkUpload = NO;
        _enableConsoleColor = YES;
        _addDateToFile = YES;
        _enableAsync = YES;
        _encryptLogFile = NO;
    }
    return self;
}

@end





@implementation QXLogger

#pragma mark - 初始化
+ (void)initialize {
    if (self == [QXLogger class]) {
        static dispatch_once_t onceToken;
        dispatch_once(&onceToken, ^{
            _logQueue = dispatch_queue_create("com.qx.log.queue", DISPATCH_QUEUE_SERIAL);
            _config = [QXLogConfig sharedConfig];
            _logBuffer = [NSMutableArray array];
            _customHandlers = [NSMutableArray array];
            _dateFormatter = [[NSDateFormatter alloc] init];
            [_dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss.SSS"];
            
            // 设置日志系统
            [self setupLogger];
        });
    }
}

+ (void)setupLogger {
    // 创建日志目录
    [self createLogDirectory];
    
    // 清理过期日志
    [self cleanExpiredLogs];
    
    // 查找或创建日志文件
    [self findOrCreateLogFile];
    
    // 注册内存警告通知
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleMemoryWarning)
                                                 name:UIApplicationDidReceiveMemoryWarningNotification
                                               object:nil];
    
    // 注册崩溃处理
    NSSetUncaughtExceptionHandler(&uncaughtExceptionHandler);
    
    [self info:@"QXLogger 初始化完成"];
}

#pragma mark - 核心文件管理方法
+ (void)findOrCreateLogFile {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    // 获取所有日志文件
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (error) {
        [self error:@"读取日志目录失败: %@", error.localizedDescription];
        [self createNewLogFile];
        return;
    }
    
    // 过滤出日志文件
    NSArray *logFiles = [files filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"SELF BEGINSWITH 'qxlog_'"]];
    
    if (logFiles.count == 0) {
        // 没有日志文件，创建新的
        [self info:@"没有找到日志文件，创建新文件"];
        [self createNewLogFile];
        return;
    }
    
    // 找到最新的日志文件（按文件名排序）
    NSArray *sortedFiles = [logFiles sortedArrayUsingSelector:@selector(compare:)];
    NSString *latestFileName = sortedFiles.lastObject;
    NSString *latestFilePath = [logDir stringByAppendingPathComponent:latestFileName];
    
    // 检查文件大小
    NSDictionary *attrs = [fm attributesOfItemAtPath:latestFilePath error:nil];
    unsigned long long fileSize = attrs ? [attrs fileSize] : 0;
    CGFloat fileSizeMB = fileSize / 1024.0 / 1024.0;
    CGFloat maxSizeMB = _config.maxLogFileSize / 1024.0 / 1024.0;
    
    if (fileSize < _config.maxLogFileSize) {
        // 文件未满，继续使用
        [self openExistingLogFile:latestFilePath];
        [self info:@"继续使用现有日志文件: %@ (%.2fMB/%.2fMB)", latestFileName, fileSizeMB, maxSizeMB];
    } else {
        // 文件已满，创建新的
        [self createNewLogFile];
        [self info:@"日志文件已满，创建新文件"];
    }
}

+ (void)openExistingLogFile:(NSString *)filePath {
    @synchronized (self) {
        // 关闭之前的文件句柄
        if (_currentFileHandle) {
            @try {
                [_currentFileHandle synchronizeFile];
                [_currentFileHandle closeFile];
            } @catch (NSException *exception) {
                [self error:@"关闭文件句柄失败: %@", exception];
            }
            _currentFileHandle = nil;
        }
        
        // 打开现有文件
        NSError *error = nil;
        _currentFileHandle = [NSFileHandle fileHandleForWritingToURL:[NSURL fileURLWithPath:filePath] error:&error];
        if (error) {
            [self error:@"打开现有日志文件失败: %@", error.localizedDescription];
            [self createNewLogFile];
            return;
        }
        
        // 移动到文件末尾
        @try {
            [_currentFileHandle seekToEndOfFile];
        } @catch (NSException *exception) {
            [self error:@"移动到文件末尾失败: %@", exception];
            [self createNewLogFile];
            return;
        }
        
        _currentLogFilePath = filePath;
        
        // 写入重启标记
        [self writeRestartMarker];
    }
}

+ (void)createNewLogFile {
    @synchronized (self) {
        // 关闭之前的文件句柄
        if (_currentFileHandle) {
            @try {
                [_currentFileHandle synchronizeFile];
                [_currentFileHandle closeFile];
            } @catch (NSException *exception) {
                [self error:@"关闭文件句柄失败: %@", exception];
            }
            _currentFileHandle = nil;
        }
        
        // 生成文件名（按日期和序号）
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        [formatter setDateFormat:@"yyyyMMdd"];
        NSString *dateStr = [formatter stringFromDate:[NSDate date]];
        
        // 获取当天的下一个序号
        NSInteger nextIndex = [self getNextFileIndexForDate:dateStr];
        NSString *fileName = [NSString stringWithFormat:@"qxlog_%@_%03ld.log", dateStr, (long)nextIndex];
        NSString *filePath = [[self logDirectory] stringByAppendingPathComponent:fileName];
        
        // 创建新文件
        NSFileManager *fm = [NSFileManager defaultManager];
        [fm createFileAtPath:filePath contents:nil attributes:nil];
        
        // 打开文件句柄
        NSError *error = nil;
        _currentFileHandle = [NSFileHandle fileHandleForWritingToURL:[NSURL fileURLWithPath:filePath] error:&error];
        if (error) {
            [self error:@"打开日志文件失败: %@", error.localizedDescription];
            return;
        }
        
        _currentLogFilePath = filePath;
        
        // 写入文件头
        [self writeFileHeader];
        
        // 检查文件数量
        [self checkLogFileCount];
        
        [self info:@"创建新日志文件: %@", fileName];
    }
}

+ (NSInteger)getNextFileIndexForDate:(NSString *)dateStr {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (error) return 1;
    
    NSString *prefix = [NSString stringWithFormat:@"qxlog_%@_", dateStr];
    NSArray *todayFiles = [files filteredArrayUsingPredicate:
                          [NSPredicate predicateWithFormat:@"SELF BEGINSWITH %@", prefix]];
    
    if (todayFiles.count == 0) return 1;
    
    // 找出最大序号
    NSInteger maxIndex = 0;
    for (NSString *fileName in todayFiles) {
        // 提取序号：qxlog_20240101_001.log -> 001
        NSString *baseName = [fileName stringByDeletingPathExtension];
        NSArray *components = [baseName componentsSeparatedByString:@"_"];
        if (components.count == 3) {
            NSString *indexStr = components[2];
            NSInteger index = [indexStr integerValue];
            if (index > maxIndex) {
                maxIndex = index;
            }
        }
    }
    
    return maxIndex + 1;
}

#pragma mark - 文件写入方法
+ (void)writeRestartMarker {
    if (!_currentFileHandle) return;
    
    NSMutableString *marker = [NSMutableString string];
    [marker appendString:@"\n\n"];
    [marker appendString:@"═══════════════════════════════════════════════════\n"];
    [marker appendFormat:@"🚀 应用重新启动 - %@\n", [_dateFormatter stringFromDate:[NSDate date]]];
    [marker appendString:@"═══════════════════════════════════════════════════\n\n"];
    
    NSData *markerData = [marker dataUsingEncoding:NSUTF8StringEncoding];
    @try {
        [_currentFileHandle writeData:markerData];
        [_currentFileHandle synchronizeFile];
    } @catch (NSException *exception) {
        [self error:@"写入重启标记失败: %@", exception];
    }
}

+ (void)writeFileHeader {
    if (!_currentFileHandle) return;
    
    NSMutableString *header = [NSMutableString string];
    [header appendString:@"═══════════════════════════════════════════════════\n"];
    [header appendString:@"📱 QXLogger 日志文件\n"];
    [header appendString:@"═══════════════════════════════════════════════════\n"];
    [header appendFormat:@"创建时间: %@\n", [_dateFormatter stringFromDate:[NSDate date]]];
    [header appendFormat:@"设备型号: %@\n", [self deviceModel]];
    [header appendFormat:@"系统版本: %@ %@\n", [UIDevice currentDevice].systemName, [UIDevice currentDevice].systemVersion];
    
    NSString *appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"] ?:
                       [[NSBundle mainBundle] objectForInfoDictionaryKey:(__bridge NSString *)kCFBundleNameKey];
    NSString *version = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"] ?: @"";
    NSString *build = [[NSBundle mainBundle] objectForInfoDictionaryKey:(__bridge NSString *)kCFBundleVersionKey] ?: @"";
    
    [header appendFormat:@"应用信息: %@ %@ (%@)\n", appName ?: @"", version, build];
    [header appendFormat:@"文件限制: %.2fMB/文件, 最多%lu个文件\n",
                         _config.maxLogFileSize / 1024.0 / 1024.0,
                         (unsigned long)_config.maxLogFileCount];
    [header appendString:@"═══════════════════════════════════════════════════\n\n"];
    
    NSData *headerData = [header dataUsingEncoding:NSUTF8StringEncoding];
    @try {
        [_currentFileHandle writeData:headerData];
        [_currentFileHandle synchronizeFile];
    } @catch (NSException *exception) {
        [self error:@"写入文件头失败: %@", exception];
    }
}

#pragma mark - 日志输出
+ (void)outputToFile:(NSString *)log {
    @autoreleasepool {
        // 检查文件大小
        [self checkLogFileSize];
        
        // 确保文件句柄存在
        if (!_currentFileHandle) {
            [self findOrCreateLogFile];
            if (!_currentFileHandle) return;
        }
        
        // 写入日志
        NSString *logWithNewline = [log stringByAppendingString:@"\n"];
        NSData *logData = [logWithNewline dataUsingEncoding:NSUTF8StringEncoding];
        
        @try {
            [_currentFileHandle seekToEndOfFile];
            [_currentFileHandle writeData:logData];
            [_currentFileHandle synchronizeFile];
        } @catch (NSException *exception) {
            [self error:@"写入日志文件失败: %@", exception];
            // 尝试重新创建文件
            [self createNewLogFile];
        }
    }
}

+ (void)checkLogFileSize {
    if (!_currentLogFilePath) return;
    
    NSFileManager *fm = [NSFileManager defaultManager];
    NSDictionary *attrs = [fm attributesOfItemAtPath:_currentLogFilePath error:nil];
    
    if (attrs) {
        unsigned long long fileSize = [attrs fileSize];
        
        if (fileSize >= _config.maxLogFileSize) {
            [self info:@"日志文件达到限制 (%.2fMB)，创建新文件", fileSize / 1024.0 / 1024.0];
            [self createNewLogFile];
        }
    }
}

#pragma mark - 基础日志方法实现
+ (void)logWithLevel:(QXLogLevel)level tag:(nullable NSString *)tag format:(NSString *)format args:(va_list)args {
    if (!_isEnabled || level < _config.minLogLevel) return;
    
    NSString *message = [[NSString alloc] initWithFormat:format arguments:args];
    
    if (_config.enableAsync) {
        dispatch_async(_logQueue, ^{
            [self processLogWithLevel:level tag:tag message:message];
        });
    } else {
        dispatch_sync(_logQueue, ^{
            [self processLogWithLevel:level tag:tag message:message];
        });
    }
}

+ (void)processLogWithLevel:(QXLogLevel)level tag:(nullable NSString *)tag message:(NSString *)message {
    // 格式化日志
    NSString *formattedLog = [self formatLogWithLevel:level tag:tag message:message];
    
    // 输出到不同目标
    if (_config.logTarget & QXLogTargetConsole) {
        [self outputToConsole:formattedLog level:level];
    }
    
    if (_config.logTarget & QXLogTargetFile) {
        [self outputToFile:formattedLog];
    }
    
    // 调用自定义处理器
    for (void (^handler)(QXLogLevel, NSString *, NSString *) in _customHandlers) {
        handler(level, tag ?: @"", message);
    }
}

+ (NSString *)formatLogWithLevel:(QXLogLevel)level tag:(nullable NSString *)tag message:(NSString *)message {
    NSString *timestamp = [_dateFormatter stringFromDate:[NSDate date]];
    NSString *levelStr = [self stringFromLogLevel:level];
    NSString *threadInfo = [NSThread isMainThread] ? @"Main" : @"Background";
    
    NSMutableString *log = [NSMutableString string];
    [log appendFormat:@"%@ [%@]", timestamp, threadInfo];
    
    if (_config.logPrefix.length > 0) {
        [log appendFormat:@" [%@]", _config.logPrefix];
    }
    
    if (tag.length > 0) {
        [log appendFormat:@" [%@]", tag];
    }
    
    [log appendFormat:@" [%@] %@", levelStr, message];
    
    return [log copy];
}

+ (NSString *)stringFromLogLevel:(QXLogLevel)level {
    switch (level) {
        case QXLogLevelVerbose: return @"VERBOSE";
        case QXLogLevelDebug:   return @"DEBUG";
        case QXLogLevelInfo:    return @"INFO";
        case QXLogLevelWarning: return @"WARNING";
        case QXLogLevelError:   return @"ERROR";
        case QXLogLevelFatal:   return @"FATAL";
        default: return @"UNKNOWN";
    }
}

+ (void)outputToConsole:(NSString *)log level:(QXLogLevel)level {
    if (_config.enableConsoleColor) {
        printf("%s\n", [self coloredLog:log level:level].UTF8String);
    } else {
        printf("%s\n", log.UTF8String);
    }
}

+ (NSString *)coloredLog:(NSString *)log level:(QXLogLevel)level {
    NSString *colorCode;
    switch (level) {
        case QXLogLevelVerbose: colorCode = @"\033[0;37m"; break; // 白色
        case QXLogLevelDebug:   colorCode = @"\033[0;36m"; break; // 青色
        case QXLogLevelInfo:    colorCode = @"\033[0;32m"; break; // 绿色
        case QXLogLevelWarning: colorCode = @"\033[0;33m"; break; // 黄色
        case QXLogLevelError:   colorCode = @"\033[0;31m"; break; // 红色
        case QXLogLevelFatal:   colorCode = @"\033[0;35m"; break; // 紫色
        default: colorCode = @"\033[0m";
    }
    return [NSString stringWithFormat:@"%@%@\033[0m", colorCode, log];
}

#pragma mark - 公开日志方法
+ (void)verbose:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelVerbose tag:nil format:format args:args];
    va_end(args);
}

+ (void)verboseWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelVerbose tag:tag format:format args:args];
    va_end(args);
}

+ (void)debug:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelDebug tag:nil format:format args:args];
    va_end(args);
}

+ (void)debugWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelDebug tag:tag format:format args:args];
    va_end(args);
}

+ (void)info:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelInfo tag:nil format:format args:args];
    va_end(args);
}

+ (void)infoWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelInfo tag:tag format:format args:args];
    va_end(args);
}

+ (void)warning:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelWarning tag:nil format:format args:args];
    va_end(args);
}

+ (void)warningWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelWarning tag:tag format:format args:args];
    va_end(args);
}

+ (void)error:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelError tag:nil format:format args:args];
    va_end(args);
}

+ (void)errorWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelError tag:tag format:format args:args];
    va_end(args);
}

+ (void)fatal:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelFatal tag:nil format:format args:args];
    va_end(args);
}

+ (void)fatalWithTag:(NSString *)tag format:(NSString *)format, ... {
    va_list args;
    va_start(args, format);
    [self logWithLevel:QXLogLevelFatal tag:tag format:format args:args];
    va_end(args);
}

#pragma mark - 特殊日志方法
+ (void)network:(NSString *)method url:(NSString *)url params:(id)params response:(id)response error:(NSError *)error {
    NSMutableString *log = [NSMutableString string];
    [log appendFormat:@"🌐 %@ %@\n", method, url];
    
    if (params) {
        [log appendFormat:@"Params: %@\n", [self jsonStringFromObject:params]];
    }
    
    if (response) {
        [log appendFormat:@"Response: %@\n", [self jsonStringFromObject:response]];
    }
    
    if (error) {
        [log appendFormat:@"Error: %@ (Code: %ld)", error.localizedDescription, (long)error.code];
    }
    
    [self debugWithTag:@"Network" format:@"%@", log];
}

+ (void)performance:(NSString *)tag startTime:(CFAbsoluteTime)startTime {
    CFAbsoluteTime endTime = CFAbsoluteTimeGetCurrent();
    CFAbsoluteTime duration = (endTime - startTime) * 1000;
    
    NSString *level = duration > 100 ? @"⚠️" : @"✅";
    [self debugWithTag:@"Performance" format:@"%@ %@: %.2fms", level, tag, duration];
}

+ (void)userAction:(NSString *)action params:(NSDictionary *)params {
    NSString *paramsStr = params ? [self jsonStringFromObject:params] : @"{}";
    [self infoWithTag:@"UserAction" format:@"👤 %@ %@", action, paramsStr];
}

+ (void)crash:(NSException *)exception {
    NSString *log = [NSString stringWithFormat:
                    @"💥 Crash: %@\n"
                    @"Reason: %@\n"
                    @"Stack Trace:\n%@",
                    exception.name,
                    exception.reason,
                    exception.callStackSymbols];
    
    [self fatalWithTag:@"Crash" format:@"%@", log];
    
    // 立即刷新到文件
    dispatch_sync(_logQueue, ^{
        [self outputToFile:log];
    });
}

+ (void)memoryWarning {
    struct task_basic_info info;
    mach_msg_type_number_t size = sizeof(info);
    kern_return_t kerr = task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t)&info, &size);
    
    if (kerr == KERN_SUCCESS) {
        CGFloat usedMemory = info.resident_size / 1024.0 / 1024.0;
        [self warningWithTag:@"Memory" format:@"⚠️ Memory Warning: %.2f MB used", usedMemory];
    }
}

#pragma mark - 文件操作方法
+ (NSString *)logDirectory {
    NSString *docDir = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
    return [docDir stringByAppendingPathComponent:@"QXLogs"];
}

+ (void)createLogDirectory {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    if (![fm fileExistsAtPath:logDir]) {
        NSError *error = nil;
        [fm createDirectoryAtPath:logDir withIntermediateDirectories:YES attributes:nil error:&error];
        if (error) {
            [self error:@"创建日志目录失败: %@", error.localizedDescription];
        }
    }
}

+ (NSArray<NSString *> *)getAllLogFilePaths {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (error) return @[];
    
    // 过滤并排序日志文件
    NSArray *logFiles = [files filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"SELF BEGINSWITH 'qxlog_'"]];
    logFiles = [logFiles sortedArrayUsingSelector:@selector(compare:)];
    
    // 转换为完整路径
    NSMutableArray *fullPaths = [NSMutableArray array];
    for (NSString *file in logFiles) {
        [fullPaths addObject:[logDir stringByAppendingPathComponent:file]];
    }
    
    return [fullPaths copy];
}

+ (NSString *)getLatestLogFilePath {
    NSArray *logFiles = [self getAllLogFilePaths];
    return logFiles.lastObject;
}

+ (NSString *)getLogContentFromFile:(NSString *)filePath {
    if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
        return nil;
    }
    
    NSError *error = nil;
    NSString *content = [NSString stringWithContentsOfFile:filePath
                                                  encoding:NSUTF8StringEncoding
                                                     error:&error];
    
    if (error) {
        [self error:@"读取日志文件失败: %@", error.localizedDescription];
        return nil;
    }
    
    return content;
}

+ (void)checkLogFileCount {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (!error) {
        NSArray *logFiles = [files filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"SELF BEGINSWITH 'qxlog_'"]];
        logFiles = [logFiles sortedArrayUsingSelector:@selector(compare:)];
        
        if (logFiles.count > _config.maxLogFileCount) {
            NSUInteger filesToDelete = logFiles.count - _config.maxLogFileCount;
            for (NSUInteger i = 0; i < filesToDelete; i++) {
                NSString *filePath = [logDir stringByAppendingPathComponent:logFiles[i]];
                [fm removeItemAtPath:filePath error:nil];
                [self info:@"删除旧日志文件: %@", logFiles[i]];
            }
        }
    }
}

+ (void)cleanExpiredLogs {
    if (_config.logSaveDays <= 0) return;
    
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (error) return;
    
    NSDate *now = [NSDate date];
    NSCalendar *calendar = [NSCalendar currentCalendar];
    
    for (NSString *file in files) {
        if ([file hasPrefix:@"qxlog_"]) {
            NSString *filePath = [logDir stringByAppendingPathComponent:file];
            
            NSDictionary *attrs = [fm attributesOfItemAtPath:filePath error:nil];
            if (attrs) {
                NSDate *creationDate = [attrs fileCreationDate];
                if (creationDate) {
                    NSDateComponents *components = [calendar components:NSCalendarUnitDay
                                                               fromDate:creationDate
                                                                 toDate:now
                                                                options:0];
                    
                    if (components.day > _config.logSaveDays) {
                        [fm removeItemAtPath:filePath error:nil];
                        [self info:@"删除过期日志文件: %@ (创建于: %@)", file, creationDate];
                    }
                }
            }
        }
    }
}

+ (void)cleanAllLogFiles {
    NSString *logDir = [self logDirectory];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    NSError *error = nil;
    NSArray *files = [fm contentsOfDirectoryAtPath:logDir error:&error];
    
    if (!error) {
        for (NSString *file in files) {
            if ([file hasPrefix:@"qxlog_"]) {
                NSString *filePath = [logDir stringByAppendingPathComponent:file];
                [fm removeItemAtPath:filePath error:nil];
            }
        }
    }
    
    [self createNewLogFile];
    [self info:@"已清除所有日志文件"];
}

#pragma mark - 文件大小管理方法
+ (unsigned long long)getCurrentLogFileSize {
    if (!_currentLogFilePath) return 0;
    
    NSFileManager *fm = [NSFileManager defaultManager];
    NSDictionary *attrs = [fm attributesOfItemAtPath:_currentLogFilePath error:nil];
    
    return attrs ? [attrs fileSize] : 0;
}

+ (CGFloat)getCurrentLogFileSizeMB {
    return [self getCurrentLogFileSize] / 1024.0 / 1024.0;
}

+ (CGFloat)getTotalLogSizeMB {
    NSArray *logFiles = [self getAllLogFilePaths];
    NSFileManager *fm = [NSFileManager defaultManager];
    
    CGFloat totalSize = 0;
    for (NSString *filePath in logFiles) {
        NSDictionary *attrs = [fm attributesOfItemAtPath:filePath error:nil];
        if (attrs) {
            totalSize += [attrs fileSize] / 1024.0 / 1024.0;
        }
    }
    
    return totalSize;
}

+ (NSDictionary *)getLogFileInfo:(NSString *)filePath {
    NSFileManager *fm = [NSFileManager defaultManager];
    NSDictionary *attrs = [fm attributesOfItemAtPath:filePath error:nil];
    
    if (!attrs) return @{};
    
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    
    CGFloat fileSizeMB = [attrs fileSize] / 1024.0 / 1024.0;
    NSDate *creationDate = [attrs fileCreationDate];
    NSDate *modificationDate = [attrs fileModificationDate];
    
    return @{
        @"fileName": [filePath lastPathComponent],
        @"fileSize": @([attrs fileSize]),
        @"fileSizeMB": @(fileSizeMB),
        @"creationDate": creationDate ? [formatter stringFromDate:creationDate] : @"",
        @"modificationDate": modificationDate ? [formatter stringFromDate:modificationDate] : @"",
        @"filePath": filePath
    };
}

+ (NSArray<NSDictionary *> *)getAllLogFileInfos {
    NSArray *logFiles = [self getAllLogFilePaths];
    NSMutableArray *infos = [NSMutableArray array];
    
    for (NSString *filePath in logFiles) {
        [infos addObject:[self getLogFileInfo:filePath]];
    }
    
    return [infos copy];
}

+ (void)checkFileSizeManually {
    [self checkLogFileSize];
}

#pragma mark - 网络上报
+ (void)uploadLogsWithCompletion:(void (^)(BOOL, NSError * _Nullable))completion {
    // 实现上传逻辑
    if (completion) completion(NO, nil);
}

+ (void)setUploadHandler:(void (^)(NSArray<NSString *> *, void (^)(BOOL)))handler {
    _uploadHandler = [handler copy];
}

#pragma mark - 配置方法
+ (QXLogConfig *)config {
    return _config;
}

+ (void)updateConfig:(void (^)(QXLogConfig *))block {
    if (block) {
        block(_config);
    }
}

+ (void)enable:(BOOL)enabled {
    _isEnabled = enabled;
}

+ (BOOL)isEnabled {
    return _isEnabled;
}

+ (void)addCustomLogHandler:(void (^)(QXLogLevel, NSString *, NSString *))handler {
    if (handler) {
        [_customHandlers addObject:[handler copy]];
    }
}

#pragma mark - 工具方法
+ (NSString *)deviceModel {
    struct utsname systemInfo;
    uname(&systemInfo);
    return [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
}

+ (NSString *)jsonStringFromObject:(id)object {
    if (!object) return @"null";
    
    if ([object isKindOfClass:[NSString class]]) {
        return object;
    }
    
    if ([NSJSONSerialization isValidJSONObject:object]) {
        NSError *error = nil;
        NSData *jsonData = [NSJSONSerialization dataWithJSONObject:object
                                                           options:NSJSONWritingPrettyPrinted
                                                             error:&error];
        if (!error) {
            return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
        }
    }
    
    return [object description];
}

#pragma mark - 崩溃处理
static void uncaughtExceptionHandler(NSException *exception) {
    [QXLogger crash:exception];
    
    // 等待日志写入完成
    usleep(200000);
    
    // 继续原有的崩溃处理
    if (NSGetUncaughtExceptionHandler()) {
        NSGetUncaughtExceptionHandler()(exception);
    }
}

+ (void)handleMemoryWarning {
    [self memoryWarning];
}

@end