//
//  PlayerViewController+downloadNasFile.m
//  双子星云手机
//
//  Created by xd h on 2024/5/31.
//

#import "PlayerViewController+downloadNasFile.h"

@implementation PlayerViewController (downloadNasFile)
#pragma mark 下载完成
- (void)downloadTaskFinishedNoti:(NSNotification *)notification
{
    curYCDownloadItem = notification.object;
    KWeakSelf
    if (curYCDownloadItem.downloadStatus == YCDownloadStatusFinished) {
        mainBlock(^{
            [weakSelf handldDownloadDoneToSaveBy:self->curYCDownloadItem];
        });
    }
}

#pragma mark 下载完后处理保持流程
- (void)handldDownloadDoneToSaveBy:(YCDownloadItem*)item{
    //解码
    NSString * urlString = [item.downloadURL stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    NSArray *nameArr= [urlString componentsSeparatedByString:@"."];
    NSString * pathStr= item.savePath;
    
    NSString *addFileName = @"";
    if (![item.downloadURL containsString:@".quicktime"]
        && [pathStr containsString:@".quicktime"])
    {
        addFileName = @".quicktime";
    }
    else if (![item.downloadURL containsString:@".octet-stream"]
             && [pathStr containsString:@".octet-stream"])
     {
         addFileName = @".octet-stream";
     }
    
    if(addFileName.length >0)
    {
        //文件名被添加了 .quicktime
        
        NSError *error = nil;
        NSFileManager *fileManager = [NSFileManager defaultManager];
        // 新文件名路径
        NSString *newFilePath = [pathStr stringByReplacingOccurrencesOfString:addFileName withString:@""];
        // 尝试移动（即重命名）文件
        BOOL success = [fileManager moveItemAtPath:pathStr toPath:newFilePath error:&error];
          
        if (success) {
            pathStr = newFilePath;
            NSLog(@"文件重命名成功！");
        } else {
            NSLog(@"文件重命名失败: %@", error);
        }
    }
    
    HLog(@"%@,",pathStr);
    if (nameArr.count >= 2) {
        NSString *lastName = nameArr.lastObject;
        
        lastName = [lastName lowercaseString];
        
        if([iTools canSaveFileToAlbumByPhoto:YES withName:lastName])
        {//可以保持到相册
            UIImage *image = [UIImage imageWithContentsOfFile:pathStr];
            if(image){
                [self loadImageFinished:image with:pathStr];
            }
                
        }
        else if([iTools canSaveFileToAlbumByPhoto:NO withName:lastName]){//可以保持到相册
            [self loadVideoFinishedBy:pathStr];
            
        }
        else{//保存到文件
            [self loadOtherDataFinishedBy:pathStr];
        }
    }
}


- (void)loadImageFinished:(UIImage *)image with:(NSString*)fullPath
{
    [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
         //写入图片到相册
         PHAssetChangeRequest *req = [PHAssetChangeRequest creationRequestForAssetFromImage:image];
            
     } completionHandler:^(BOOL success, NSError * _Nullable error) {
         //NSLog(@"success = %d, error = %@", success, error);
         if (success) {
             HLog(@"已将图片保存至相册");
             //
             [[NSFileManager defaultManager] removeItemAtPath:fullPath error:nil];
             if(self->curYCDownloadItem){
                 [YCDownloadManager stopDownloadWithItem:self->curYCDownloadItem];
                 self->curYCDownloadItem = nil;
             }
             
         } else {
             HLog(@"未能将图片保存至相册");
             mainBlock(^{
                 [self loadOtherDataFinishedBy:fullPath];
             });
         }
         
    }];
}

- (void)loadVideoFinishedBy:(NSString*)fullPath
{
    NSString*pathStr = fullPath;
    
    PHPhotoLibrary *photoLibrary = [PHPhotoLibrary sharedPhotoLibrary];
    [photoLibrary performChanges:^{
        [PHAssetChangeRequest creationRequestForAssetFromVideoAtFileURL:[NSURL
    fileURLWithPath:pathStr]];
    } completionHandler:^(BOOL success, NSError * _Nullable error) {
        if (success) {
            HLog(@"已将视频保存至相册");
            //
            [[NSFileManager defaultManager] removeItemAtPath:pathStr error:nil];
            if(self->curYCDownloadItem){
                [YCDownloadManager stopDownloadWithItem:self->curYCDownloadItem];
                self->curYCDownloadItem = nil;
            }
        } else {
            HLog(@"未能将视频保存至相册");
            mainBlock(^{
                [self loadOtherDataFinishedBy:fullPath];
            });
        }
        
    }];
}


//下载音频 文件等
- (void)loadOtherDataFinishedBy:(NSString*)fullPath
{
    
    NSString*filePath = fullPath;
    
    if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]){
        HLog(@"没有找到文件：%@",filePath);
        return;
    }
    
    
    NSURL * fileURL = [NSURL fileURLWithPath:filePath];
    
    UIDocumentPickerViewController *documentPickerVC = [[UIDocumentPickerViewController alloc] initWithURL:fileURL inMode:UIDocumentPickerModeExportToService];
    // 设置代理
    documentPickerVC.delegate = self;
    // 设置模态弹出方式
    documentPickerVC.modalPresentationStyle = UIModalPresentationFormSheet;
    [self.navigationController presentViewController:documentPickerVC animated:YES completion:nil];
}
 

#pragma mark - UIDocumentPickerDelegate
- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls {
    // 获取授权
    BOOL fileUrlAuthozied = [urls.firstObject startAccessingSecurityScopedResource];
    if (fileUrlAuthozied) {
        // 通过文件协调工具来得到新的文件地址，以此得到文件保护功能
        NSFileCoordinator *fileCoordinator = [[NSFileCoordinator alloc] init];
        NSError *error;
        
        [fileCoordinator coordinateReadingItemAtURL:urls.firstObject options:0 error:&error byAccessor:^(NSURL *newURL) {
            // 读取文件
            NSString *fileName = [newURL lastPathComponent];
            NSString *pathStr = [newURL absoluteString];
            NSError *error = nil;
            //NSData *fileData = [NSData dataWithContentsOfURL:newURL options:NSDataReadingMappedIfSafe error:&error];
            if (error) {
                // 读取出错
            } else {
                // 上传
                NSLog(@"fileName : %@-- %@", fileName,pathStr);
                
                //
                [[NSFileManager defaultManager] removeItemAtPath:pathStr error:nil];
                if(self->curYCDownloadItem){
                    [YCDownloadManager stopDownloadWithItem:self->curYCDownloadItem];
                    self->curYCDownloadItem = nil;
                }
                
            }
        }];
        [urls.firstObject stopAccessingSecurityScopedResource];
    } else {
        // 授权失败
    }
}
@end