//
//  RQFileManager.m
//  RQCommon
//
//  Created by 张嵘 on 2018/11/21.
//  Copyright © 2018 张嵘. All rights reserved.
//

#import "RQFileManager.h"

@implementation RQFileManager
/**
 *  文件管理器
 */
+ (NSFileManager *)fileManager
{
	return [NSFileManager defaultManager];
}
/**
 *  该路径是否存在
 */
+ (BOOL)isPathExist:(NSString *)path
{
	return [[self fileManager] fileExistsAtPath:path];
}
/**
 *  该文件是否存在
 */
+ (BOOL)isFileExist:(NSString *)path
{
	BOOL isDirectory;
	return [[self fileManager] fileExistsAtPath:path isDirectory:&isDirectory] && !isDirectory;
}
/**
 *  该文件夹是否存在
 */
+ (BOOL)isDirectoryExist:(NSString *)path
{
	BOOL isDirectory;
	return [[self fileManager] fileExistsAtPath:path isDirectory:&isDirectory] && isDirectory;
}

/**
 *  移除该文件
 */
+ (BOOL)removeFile:(NSString *)path
{
	return [[self fileManager] removeItemAtPath:path error:nil];
}

/** 创建目录 */
+ (BOOL)createDirectoryAtPath:(NSString *)path
{
	return [[self fileManager] createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
}

/**
 *  文件个数
 */
+ (NSUInteger)fileCountInPath:(NSString *)path
{
	NSUInteger count = 0;
	NSDirectoryEnumerator *fileEnumerator = [[NSFileManager defaultManager] enumeratorAtPath:path];
	for (__unused NSString *fileName in fileEnumerator) {
		count += 1;
	}
	return count;
}

/**
 *  目录大小
 */
+ (unsigned long long)folderSizeAtPath:(NSString *)path
{
	__block unsigned long long totalFileSize = 0;
	NSDirectoryEnumerator *fileEnumerator = [[NSFileManager defaultManager] enumeratorAtPath:path];
	for (NSString *fileName in fileEnumerator) {
		NSString *filePath = [path stringByAppendingPathComponent:fileName];
		NSDictionary *fileAttrs = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];
		totalFileSize += fileAttrs.fileSize;
	}
	return totalFileSize;
}


#pragma mark User directory methods
/**
 *  应用文件路径
 */
+ (NSString *)appDocumentDirectoryPath
{
	return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
}
/**
 *  应用资源路径
 */
+ (NSString *)appResourcePath
{
	return [[NSBundle mainBundle] resourcePath];
}
/**
 *  应用缓存路径
 */
+ (NSString *)appCachesDirectoryPath
{
	return [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0];
}

@end