//
//  ZFCommonHelper.m
//
// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "ZFCommonHelper.h"
#import "ZFFileModel.h"

@implementation ZFCommonHelper

+ (NSString *)getFileSizeString:(NSString *)size
{
    if([size floatValue]>=1024*1024)//大于1M，则转化成M单位的字符串
    {
        return [NSString stringWithFormat:@"%1.2fM",[size floatValue]/1024/1024];
    }
    else if([size floatValue]>=1024&&[size floatValue]<1024*1024) //不到1M,但是超过了1KB，则转化成KB单位
    {
        return [NSString stringWithFormat:@"%1.2fK",[size floatValue]/1024];
    }
    else//剩下的都是小于1K的，则转化成B单位
    {
        return [NSString stringWithFormat:@"%1.2fB",[size floatValue]];
    }
}

+ (float)getFileSizeNumber:(NSString *)size
{
    NSInteger indexM=[size rangeOfString:@"M"].location;
    NSInteger indexK=[size rangeOfString:@"K"].location;
    NSInteger indexB=[size rangeOfString:@"B"].location;
    if(indexM<1000)//是M单位的字符串
    {
        return [[size substringToIndex:indexM] floatValue]*1024*1024;
    }
    else if(indexK<1000)//是K单位的字符串
    {
        return [[size substringToIndex:indexK] floatValue]*1024;
    }
    else if(indexB<1000)//是B单位的字符串
    {
        return [[size substringToIndex:indexB] floatValue];
    }
    else//没有任何单位的数字字符串
    {
        return [size floatValue];
    }
}

+ (BOOL)isExistFile:(NSString *)fileName
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    return [fileManager fileExistsAtPath:fileName];
}

+ (NSDate *)makeDate:(NSString *)birthday
{
    NSDateFormatter *df = [[NSDateFormatter alloc] init];
    [df setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSDate *date = [df dateFromString:birthday];
    return date;
}

+ (NSString *)dateToString:(NSDate*)date
{
    NSDateFormatter *df = [[NSDateFormatter alloc] init];
    [df setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSString *datestr = [df stringFromDate:date];
    return datestr;
}

+ (NSString *)createFolder:(NSString *)path
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSError *error;
    if(![fileManager fileExistsAtPath:path])
    {
        [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:&error];
        if(!error)
        {
            NSLog(@"%@",[error description]);
            
        }
    }
    return path;
}

@end