//
//  downloadFileBottomView.m
//  隐私保护
//
//  Created by xd h on 2024/1/8.
//

#import "downloadFileBottomView.h"
#import <sys/mount.h>
#include <sys/param.h>

@interface downloadFileBottomView ()
{
    long long diskfreeSpace;//iphone 空间
    BOOL isCanDown;
}
@property(nonatomic,strong)UILabel *selectNumLabel;
@property(nonatomic,strong)UILabel *uploadFileRoutelabel;
@property(nonatomic,strong)UIButton *uploadButon;
@end

@implementation downloadFileBottomView

- (id)initWithFrame:(CGRect)frame{
    self = [super initWithFrame:frame];
    [self setBackgroundColor:[UIColor whiteColor]];
    [self drawAnyView];
    
    _availableStorage = [self freeDiskSpaceInBytes];
    return self;
}

- (NSString *)freeDiskSpaceInBytes{
    struct statfs buf;
    unsigned long long freeSpace = -1;
    if (statfs("/var", &buf) >= 0) {
        freeSpace = (unsigned long long)(buf.f_bsize * buf.f_bavail);
        diskfreeSpace = freeSpace;
    }
     NSString *str = [NSString stringWithFormat:@"%0.2f GB",freeSpace/1024.0/1024.0/1024.0];
    //NSString *str11 = [NSString stringWithFormat:@"%0.2f GB",freeSpace/1000.0/1000.0/1000.0];
    return str;
}


- (void)drawAnyView{
    _selectNumLabel = [[UILabel alloc] init];
    _selectNumLabel.font = [UIFont boldSystemFontOfSize:16.0];
    _selectNumLabel.textColor = [UIColor blackColor];
    [self addSubview:_selectNumLabel];
    
    [_selectNumLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(15);
        make.top.mas_equalTo(10);
        make.right.mas_equalTo(-110);
        make.height.mas_equalTo(20);
    }];
    
    //设置即得标题
    self.indexPathsForSelectedItems = [NSMutableArray new];
    
    _uploadFileRoutelabel = [[UILabel alloc] init];
    _uploadFileRoutelabel.font = [UIFont systemFontOfSize:14.0];
    _uploadFileRoutelabel.textColor = [UIColor hwColor:@"#959799" alpha:1.0];
    _uploadFileRoutelabel.text = NSLocalizedString(@"File_download_Path_default",nil);
    [self addSubview:_uploadFileRoutelabel];
    
    [_uploadFileRoutelabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(15);
        make.top.mas_equalTo(_selectNumLabel.mas_bottom).offset(10);
        make.right.mas_equalTo(-110);
        make.height.mas_equalTo(20);
    }];
    
    //图片上传
    NSString* curImgUploadStr = [[NSString alloc] initWithFormat:@"%@ %@",@"",NSLocalizedString(@"my_set_no_File_download",nil)];
    
    
    // gradient
    CAGradientLayer *gl_But = [CAGradientLayer layer];
    gl_But.frame = CGRectMake(0,0,88.f,40.f);
    gl_But.startPoint = CGPointMake(0, 0.5);
    gl_But.endPoint = CGPointMake(1, 0.5);
    gl_But.colors = @[(__bridge id)HW0CDEFDColor.CGColor, (__bridge id)HW058DFBColor.CGColor];
    gl_But.locations = @[@(0), @(1.0f)];
    gl_But.cornerRadius = 8;
    
    
    UIButton *imageUploadBut = [[UIButton alloc] init];
    
    
    [imageUploadBut setImage:[UIImage imageNamed:@"donwload_file_white_100"] forState:UIControlStateNormal];
    [imageUploadBut setTitle:curImgUploadStr forState:UIControlStateNormal];
   
    [imageUploadBut setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    imageUploadBut.titleLabel.font = [UIFont boldSystemFontOfSize:13.0];
    imageUploadBut.tag = 2;
    [imageUploadBut addTarget:self action:@selector(didClickButFun:) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:imageUploadBut];
    [imageUploadBut.layer insertSublayer:gl_But atIndex:0];
    [imageUploadBut bringSubviewToFront:imageUploadBut.imageView];
    
    self.uploadButon = imageUploadBut;
    
    //imageUploadBut.backgroundColor = [UIColor redColor];
    //多国语言适配
    NSString *languageCode = [NSLocale preferredLanguages][0];
    if([languageCode rangeOfString:@"ja-"].location != NSNotFound)
    {
        imageUploadBut.titleLabel.font = [UIFont systemFontOfSize:10.0];
    }
    
    [imageUploadBut mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.mas_equalTo(-10);
        make.top.mas_equalTo(10);
        make.width.mas_equalTo(98);
        make.height.mas_equalTo(40);
    }];
    
    imageUploadBut.enabled = NO;
    imageUploadBut.alpha = 0.5;
}


#pragma mark 数据处理
- (void)setIndexPathsForSelectedItems:(NSMutableArray *)indexPathsForSelectedItems
{
    isCanDown = YES;
    
    _indexPathsForSelectedItems = indexPathsForSelectedItems;
    if(!_indexPathsForSelectedItems){
        _indexPathsForSelectedItems = [NSMutableArray new];
    }
    
    //TZAssetModel imageData （以字节为单位)
    NSUInteger allImageData = 0;
    
    for (couldPhoneFileModel* model in _indexPathsForSelectedItems) {
        
        allImageData += model.length;
        
    }
    
    if(diskfreeSpace < allImageData){
        isCanDown = NO;
    }
    
    allImageData /= 1024;
    
    NSString *byteStr = nil;
    NSString *unitStr = @"KB";
    
    if(allImageData < 1024){
        byteStr = [[NSString alloc] initWithFormat:@"%ld",allImageData];
    }
    else if( allImageData >= 1024 && allImageData < 1024*1024){
        byteStr = [[NSString alloc] initWithFormat:@"%.2f",allImageData/1024.0];
        unitStr = @"MB";
    }
    else{
        byteStr = [[NSString alloc] initWithFormat:@"%.2f",allImageData/1024.0/1024.0];
        unitStr = @"G";
    }
    
    if(!_availableStorage){
        _availableStorage = @"--";
    }
    
    NSString *curStr1 = [NSString stringWithFormat:@"已选%ld项",_indexPathsForSelectedItems.count];
    NSString *curStr2 = [NSString stringWithFormat:@"(%@%@，%@)",byteStr,unitStr,_availableStorage];
    NSString *totalStr = [[NSString alloc] initWithFormat:@"%@ %@",curStr1,curStr2];
    
    NSMutableAttributedString *noteStr = [[NSMutableAttributedString alloc] initWithString:totalStr];
    
    NSRange redRange = NSMakeRange([totalStr rangeOfString:curStr2].location, [totalStr rangeOfString:curStr2].length);
    
    UIColor *noteColor =[UIColor hwColor:@"#959799" alpha:1.0];
    if(!isCanDown){
        noteColor = [UIColor redColor];
    }
    
    [noteStr addAttribute:NSForegroundColorAttributeName value:noteColor range:redRange];
    [noteStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:14.0] range:redRange];
    // 设置行间距
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    [paragraphStyle setLineSpacing:5];        //设置行间距
    
    [noteStr addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [totalStr  length])];

    _selectNumLabel.attributedText = noteStr;
    
    if(_indexPathsForSelectedItems.count > 0 && isCanDown){
        self.uploadButon.enabled = YES;
        self.uploadButon.alpha = 1;
    }
    else
    {
        self.uploadButon.enabled = NO;
        self.uploadButon.alpha = 0.5;
    }
}

#pragma mark 按钮点击
- (void)didClickButFun:(UIButton*)but
{
    if(_didClickDownloadFile)
    {
        _didClickDownloadFile();
    }
}

@end