//
//  webSocketManager+downloadFile.m
//  双子星云手机
//
//  Created by xd h on 2024/6/20.
//

#import "webSocketManager+downloadFile.h"

#import "cachesFileManager.h"
#import "downloadManager.h"

@implementation webSocketManager (downloadFile)
- (void)begindownloadFileFunBy:(couldPhoneFileModel *)couldPhoneFileMod
{
    self.curDownloadFileModel = couldPhoneFileMod;
    
    if(!self.curDownloadFileModel
       || ![self.curDownloadFileModel isKindOfClass:[couldPhoneFileModel class]]){
        return;
    }
    
    [self ApplyDownloadFileFun];
}

#pragma mark 申请下载缩略图
- (void)ApplyDownloadFileFun
{
    
    self.downloadFileTaskUid = [iTools getTaskUidStr];
 
    if([self.downloadFileTaskUid isEqualToString:self.backupsTaskUid]
       ||[self.downloadFileTaskUid isEqualToString:self.taskUid]
       ||[self.downloadFileTaskUid isEqualToString:self.downloadThumbnailTaskUid])
    {//重新生成taskUid
        [self ApplyDownloadFileFun];
        return;
    }
    
    NSString *fileName = [self.curDownloadFileModel getFileNameFun];
    NSString*pathStr = [cachesFileManager getFilePathWithName:fileName type:DownLoadFileType];
    long didDownloadBytes = 0;
    
    NSFileManager *manager0 = [NSFileManager defaultManager];
    if([manager0 fileExistsAtPath:pathStr]) {
        NSFileHandle *fileHandle = [NSFileHandle fileHandleForReadingAtPath:pathStr]; // 创建文件句柄
        if (fileHandle) {
            didDownloadBytes = [fileHandle seekToEndOfFile];
            // 关闭文件句柄
            [fileHandle closeFile];
        }
    }
    
    NSString * commandStr = [RCCommandHelp applyForDownloadFileBy:self.downloadFileTaskUid withFilePath:self.curDownloadFileModel.path withPosition:didDownloadBytes];
    [self.commandChannelManager rc_sendData:commandStr];
}

- (void)downloadFileFunServiceResponseFun:(NSData *)fileData  with:(BOOL)isDownloadDone
{
    if(isDownloadDone){
        [self handleDownloadDoneFun];
        return;
    }
    
    NSString *fileName = [self.curDownloadFileModel getFileNameFun];
        
    NSString*pathStr = [cachesFileManager getFilePathWithName:fileName type:DownLoadFileType];
    
    NSFileManager *manager0 = [NSFileManager defaultManager];
    long long endOfFile = 0;
    
    if(![manager0 fileExistsAtPath:pathStr]) {
        [cachesFileManager getFileNameWithContent:fileData fileName:fileName type:DownLoadFileType];
    }
    else{
        NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:pathStr]; // 创建文件句柄
        if (fileHandle) {
            endOfFile = [fileHandle seekToEndOfFile];
            if (endOfFile >=  0) {
                if(endOfFile == self.curDownloadFileModel.didDownloadBytes){
                    [fileHandle writeData:fileData];
                }
            }
            
            endOfFile = [fileHandle seekToEndOfFile];
            // 关闭文件句柄
            [fileHandle closeFile];
        }
    }
    
    long didDownloadBytes = fileData.length;
    if(endOfFile > 0){
        didDownloadBytes = endOfFile;
    }
    
    self.curDownloadFileModel.didDownloadBytes = didDownloadBytes;
   

    
//    if(isDownloadDone || endOfFile == self.curDownloadFileModel.length){
//        [self handleDownloadDoneFun];
//    }
//    else
    {//获取下一片
        
        [[downloadManager shareInstance] DownloadFileChangeingOneFileFun];
        
        if([downloadManager shareInstance].isSuspendType){
            return;
        }
        
        BOOL isCanUseCellular = [HWDataManager getBoolWithKey:stringKeyAddSn(Const_file_Transfe_canUse_Cellular_all)];
        if(!isCanUseCellular){//不允许流量上传
            //
            if([AFNetworkReachabilityManager sharedManager].networkReachabilityStatus == AFNetworkReachabilityStatusReachableViaWWAN){
                [[downloadManager shareInstance] suspendDownloadFileFun:YES withModel:nil];
                mainBlock(^{
                    [[NSNotificationCenter defaultCenter] postNotificationName:downloadFileSuspendAllNotification object:nil];
                    [[iToast makeText:NSLocalizedString(@"File_Transfer_By_Cellular_tip",nil)] show];
                });
                return;
            }
        }
        
        NSString * commandStr = [RCCommandHelp applyForDownloadFileBy:self.downloadFileTaskUid withFilePath:self.curDownloadFileModel.path withPosition:didDownloadBytes];
        [self.commandChannelManager rc_sendData:commandStr];
    }
    
}

- (void)handleDownloadDoneFun
{
    if(self.nasFullPath && self.nasFullPath.length >0){
        HLog(@"前面一个保存流程没走完")
        return;
    }
    
    NSString *fileName = [self.curDownloadFileModel getFileNameFun];
    NSString*pathStr = [cachesFileManager getFilePathWithName:fileName type:DownLoadFileType];
    
    if([self.curDownloadFileModel.fileType containsString:@"jpg"]){
       
        if([iTools canSaveFileToAlbumByPhoto:YES withName:fileName]){
            UIImage *image = [UIImage imageWithContentsOfFile:pathStr];
            
            if(image){
                [self loadImageFinished:image];
            }
            else{
                [cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
                [[downloadManager shareInstance] DownloadFileFailOneFileFun];
            }
        }
        else{
            [self loadOtherDataFinished];
        }
        
    }
    else if([self.curDownloadFileModel.fileType isEqualToString:@"video"]){
        if([iTools canSaveFileToAlbumByPhoto:NO withName:fileName]){
            [self loadVideoFinished];
        }
        else{
            [self loadOtherDataFinished];
        }
        
    }
    else
    {
        [self loadOtherDataFinished];
    }
}


- (void)loadImageFinished:(UIImage *)image
{
    [[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");
             //NSString *fileName = [self.curDownloadFileModel getFileNameFun];
             //[cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
             
         } else {
             HLog(@"未能将图片保存至相册");
//             mainBlock(^{
//                 [[iToast makeText:NSLocalizedString(@"File_Transfer_By_Cellular_tip",nil)] show];
//             });
         }
         NSString *fileName = [self.curDownloadFileModel getFileNameFun];
         [cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
         [[downloadManager shareInstance] DownloadFileDoneOneFileFun];
    }];
}

- (void)loadVideoFinished
{
    NSString *fileName = [self.curDownloadFileModel getFileNameFun];
    NSString*pathStr = [cachesFileManager getFilePathWithName:fileName type:DownLoadFileType];
    
    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");
            //NSString *fileName = [self.curDownloadFileModel getFileNameFun];
            //[cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
            
        } else {
            HLog(@"未能将视频保存至相册");
        }
        
        [cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
        [[downloadManager shareInstance] DownloadFileDoneOneFileFun];
    }];
}

//下载音频 文件等
- (void)loadOtherDataFinished
{
    [[downloadManager shareInstance] DownloadFileDoneOneFileFun];
    
    NSString *fileName = [self.curDownloadFileModel getFileNameFun];
    NSString*filePath = [cachesFileManager getFilePathWithName:fileName type:DownLoadFileType];
    
    [self saveDownDoneFileToPhoneFunBy:filePath withKey:self.curDownloadFileModel.path];
}

#pragma mark 处理保存操作
- (void)saveDownDoneFileToPhoneFunBy:(NSString*)filePath withKey:(NSString *)key{
    
    if (self.isShowingFileDocumentPickerType) {
        HLog(@"上一个任务保存到问题---没保存完");
        return;
    }
    
    if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]){
        HLog(@"没有找到文件：%@",filePath);
        return;
    }
    
    self.wsDownloadSaveFilePath = filePath;
    self.wsDownloadDonwPlishPath = key;
    
    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];
    [ksharedAppDelegate.window.rootViewController presentViewController:documentPickerVC animated:YES completion:nil];
    
    self.isShowingFileDocumentPickerType = YES;
}
 

#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];
            NSError *error = nil;
            //NSData *fileData = [NSData dataWithContentsOfURL:newURL options:NSDataReadingMappedIfSafe error:&error];
            if (error) {
                // 读取出错
                if(self.nasFullPath){
                    self.nasFullPath = nil;
                    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(20 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                        [self checkSaveNasFileAgainFun];
                    });
                }
                else{
                    self.wsDownloadSaveFilePath = nil;
                    self.wsDownloadDonwPlishPath = nil;
                    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(20 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                        [self checkSaveWebsocketFileAgainFun];
                    });
                }
            } else {
                NSLog(@"222 fileName : %@", fileName);
                if(!self.nasFullPath){
                    // websock下载流程
                    [[NSFileManager defaultManager] removeItemAtPath:self.wsDownloadSaveFilePath error:nil];
                    //[cachesFileManager removeItemAtPath:fileName type:DownLoadFileType error:nil];
                    [[downloadManager shareInstance] deleteDownloadDonePlistInfoBy:self.wsDownloadDonwPlishPath];
                    self.wsDownloadSaveFilePath = nil;
                    self.wsDownloadDonwPlishPath = nil;
                    [self checkSaveWebsocketFileAgainFun];
                }
                else{
                    //nas下载流程
                    [[NSFileManager defaultManager] removeItemAtPath:self.nasFullPath error:nil];
                    [[boxDownloadFileManager shareInstance] deleteDownloadDonePlistInfoBy:self.nasFullPath];
                    self.nasFullPath = nil;
                    [self checkSaveNasFileAgainFun];
                }
                
            }
            
            self.isShowingFileDocumentPickerType = NO;
        }];
        [urls.firstObject stopAccessingSecurityScopedResource];
    } else {
        // 授权失败
        if(self.nasFullPath){
            self.nasFullPath = nil;
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(20 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                [self checkSaveNasFileAgainFun];
            });
        }
        else{
            self.wsDownloadSaveFilePath = nil;
            self.wsDownloadDonwPlishPath = nil;
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(20 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                [self checkSaveWebsocketFileAgainFun];
            });
        }
        
        self.isShowingFileDocumentPickerType = NO;
    }
}

#pragma mark 再次读取下载完成数据做保存操作
- (void)checkSaveNasFileAgainFun
{
    [[boxDownloadFileManager shareInstance] checkDownloadDonePlistInfoFun];
    
    [[nasDownloadFileManager shareInstance] checkDownloadDonePlistInfoFun];
}

#pragma mark 再次读取ws下载完成数据做保存操作
- (void)checkSaveWebsocketFileAgainFun
{
    [[downloadManager shareInstance] checkDownloadDonePlistInfoFun];
}

@end