//
//  CWFileUploadManager.m
//  uploadFileDemo
//
//  Created by hyjet on 2018/3/9.
//  Copyright © 2018年 uploadFileDemo. All rights reserved.
//

#import "CWFileUploadManager.h"
//#import "CWFileStreamSeparation.h"
//#import "CWUploadTask.h"
//#import "CWFileManager.h"

//#define plistPath [[CWFileManager cachesDir] stringByAppendingPathComponent:uploadPlist]
#define default_max @"uploadMax"

@interface CWFileUploadManager ()

@property (nonatomic,strong)NSMutableDictionary *fileStreamDict;

@property (nonatomic,strong)NSMutableDictionary *allTasks;

//正在上传中的任务
@property (nonatomic,strong)NSMutableDictionary *uploadingTasks;

//正在等待上传的任务
@property (nonatomic,strong)NSMutableDictionary *uploadWaitTasks;

//已经上传完的任务
@property (nonatomic,strong)NSMutableDictionary *uploadEndTasks;

@property (nonatomic,assign)NSInteger uploadMaxNum;

@property (nonatomic,strong)NSURL *url;
@property (nonatomic,strong)NSMutableURLRequest *request;

@property (nonatomic,copy)NSString *uploadLocation;

@end

@implementation CWFileUploadManager

static CWFileUploadManager * _instance;

- (NSString *)getNewPlistPath {

    NSString *account = [HWDataManager getStringWithKey:Const_HWAccountPhoneNumber];
    if (account.length != 0) {
         NSString *fileFolder = kPath_YunPan_Upload_Folder;
         return [fileFolder stringByAppendingPathComponent:@"uploadPlist.plist"];
     }else {
         HLog(@"未登录 读取plist缓存文件失败！");
         return @"";
     }
}

-(NSMutableDictionary *)fileStreamDict{
    if (!_fileStreamDict) {
        _fileStreamDict = [NSMutableDictionary dictionary];
    }
    return _fileStreamDict;
}

- (NSMutableDictionary *)allTasks
{
    if (!_allTasks) {
        _allTasks = [_instance allUploadTasks];
    }
    return _allTasks;
}

- (NSMutableDictionary *)uploadingTasks
{
    return [self allUploadingTasks];
}

- (NSMutableDictionary *)uploadWaitTasks
{
    return [self allUploadWaitTasks];
}

- (NSMutableDictionary *)uploadEndTasks
{
    return [self allUploadEndTasks];
}

+ (instancetype)shardUploadManager {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _instance = [[self alloc] init];
        [_instance registeNotification];
        [_instance defaultsTask];
        _instance.plistPath = [_instance getNewPlistPath];
    });
    return _instance;
}

+ (CWUploadTask *)startUploadWithPath:(NSString *)path
{
    //是否是在册任务
    if (![CWFileUploadManager isUploadTask:path]) {
        [_instance taskRecord:path];
        
    }
    return [_instance continuePerformTaskWithFilePath:path];
}

- (CWUploadTask *_Nullable)createUploadTask:(NSString *_Nonnull)filePath
{
    //是否是在册任务
    if (![CWFileUploadManager isUploadTask:filePath]) {
        [_instance taskRecord:filePath];
        
    }
    return [self continuePerformTaskWithFilePath:filePath];
}

- (CWUploadTask *_Nullable)createUploadTask:(NSString *_Nonnull)filePath uploadLocation:(NSString *_Nonnull)uploadLocation imageData:(NSData *_Nullable)imageData {
    
    //是否是在册任务
    if (![CWFileUploadManager isUploadTask:filePath]) {
        [_instance taskRecord:filePath uploadLocation:uploadLocation imageData:imageData];
        
    }
    return [self continuePerformTaskWithFilePath:filePath];
}

//云手机上传 写入plist文件
- (void)createUploadTaskWithParams:(NSDictionary *)params {
    
    CWFileStreamSeparation *fileStream = [[CWFileStreamSeparation alloc] init];
    NSString *path = [NSString stringWithFormat:@"%@", [params objectForKey:@"path"]];
    fileStream.fileName = path.lastPathComponent;
    fileStream.fileSize = [[params objectForKey:@"length"] integerValue];
    fileStream.uploadDateSize = [[params objectForKey:@"length"] integerValue];
    fileStream.progressRate = 1.00;
    fileStream.bizId=[[NSUUID UUID] UUIDString];
    fileStream.timeStamp = [iTools getNowTimeStamp];
    fileStream.fileStatus = CWUploadStatusFinished;
    
    [self.fileStreamDict setObject:fileStream forKey:path.lastPathComponent];
    CWUploadTask *uploadTask = self.allTasks[path.lastPathComponent];
    if (!uploadTask) {
        uploadTask = [CWUploadTask initWithStreamModel:fileStream];
        [self.allTasks setObject:uploadTask forKey:path.lastPathComponent];
    }
    
    [self archerTheDictionary:_fileStreamDict file:self.plistPath];
    HLog(@"%@---%@", self.fileStreamDict, self.allTasks);
    [[NSNotificationCenter defaultCenter] postNotificationName:CWUploadTaskExeEnd object:nil userInfo:@{@"fileStream":fileStream}];
    
}

//配置全局默认的参数
- (void)config:(NSMutableURLRequest *)request maxTask:(NSInteger)num
{
    if (!request.URL) {
        HLog(@"request缺少URL");
    }
    [HWDataManager setIntegerWithKey:default_max value:num];
    self.uploadMaxNum = 3;
    self.url = request.URL;
    self.request = request;
}

//设置最大任务数
- (void)setUploadMaxNum:(NSInteger)uploadMaxNum
{
    if (_uploadMaxNum<3) {
        _uploadMaxNum = uploadMaxNum;
    }else if (_uploadMaxNum<0){
        _uploadMaxNum = 3;
    }else if(_uploadMaxNum>=3){
        _uploadMaxNum = 3;
    }
}

- (void)defaultsTask{
    NSInteger tmpMax = [HWDataManager getIntegerWithKey:default_max];
    self.uploadMaxNum = tmpMax?tmpMax:3;
}

/**
 暂停一个上传任务
 */
- (void)pauseUploadTask:(CWFileStreamSeparation *_Nonnull)fileStream
{
    CWUploadTask *task = [self.allTasks objectForKey:fileStream.fileName];
    [task taskCancel];
}

/**
 继续开始一个上传任务
 */
- (void)resumeUploadTask:(CWFileStreamSeparation *_Nonnull)fileStream
{
    CWUploadTask *task = [self.allTasks objectForKey:fileStream.fileName];
    [task taskResume];
}

/**
 删除一个上传任务，同时会删除当前任务上传的缓存数据
 */
- (void)removeUploadTask:(CWFileStreamSeparation *_Nonnull)fileStream
{
    CWUploadTask *task = [self.allTasks objectForKey:fileStream.fileName];
    
    [task taskCancel];
    
    if ([[self.allTasks allKeys] containsObject:fileStream.fileName]) {
        [self.allTasks removeObjectForKey:fileStream.fileName];
    }
    
    if ([[self.uploadingTasks allKeys] containsObject:fileStream.fileName]) {
        [self.uploadingTasks removeObjectForKey:fileStream.fileName];
    }

    if (_fileStreamDict[fileStream.fileName]) {
        _fileStreamDict = [self unArcherThePlist:self.plistPath];
    }
    [_fileStreamDict removeObjectForKey:fileStream.fileName];
    
    [self archerTheDictionary:_fileStreamDict file:self.plistPath];
    
    // 删除本地缓存的文件
    NSString *fileFolder = kPath_YunPan_Upload_Folder;
    NSString *fileName = fileStream.fileName;
    NSString *fileURL = [fileFolder stringByAppendingPathComponent:fileName];
//    HLog(@"%@--%@", fileURL, dict[@"fullPath"]);
    if ([CWFileManager isExistsAtPath:fileURL]) {
        BOOL flag = [[NSFileManager defaultManager] removeItemAtPath:fileURL error:nil];
        HLog(@"上传文件删除结果：%d", flag);
    }else {
        HLog(@"上传文件删除失败 文件不存在");
    }

}

/**
 暂停所有的上传任务
 */
- (void)pauseAllUploadTask
{
    for (CWUploadTask *task in [self.allTasks allValues]) {
        [task taskCancel];
    }
}

/**
 启动所有上传任务
 */
- (void)resumeAllUploadTask {
    
    if (self.allTasks.count == 0) {
        return;
    }

    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [self.allTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (task.fileStream.fileStatus == CWUploadStatusFinished || task.fileStream.progressRate == 1) { // 已完成的任务
            HLog(@"该任务已完成---文件名：%@ 进度：%.2f 状态：%ld", task.fileStream.fileName, task.fileStream.progressRate, task.fileStream.fileStatus);
        }else { // 所有未完成任务
            [dic setObject:task forKey:key];
            [task taskResume];
        }
    }];
    
//    NSArray *array = [dic allValues];
//    NSArray *sortDesc = [NSArray arrayWithObject:[NSSortDescriptor sortDescriptorWithKey:@"timeStamp" ascending:YES]];
//    NSArray *sortedArr = [array sortedArrayUsingDescriptors:sortDesc];
}

/**
删除所有的上传任务
 */
- (void)removeAllUploadTask
{
    for (CWUploadTask *task in [self.allTasks allValues]) {
        [self removeUploadTask:task.fileStream];
    }
}

/**
 获取所有文件分片模型的上传任务字典
 */
- (NSMutableDictionary<NSString*,CWUploadTask*>*_Nullable)allUploadTasks
{
    if (self.fileStreamDict.count == 0) {
        self.fileStreamDict = [self unArcherThePlist:self.plistPath];
    }
    NSDictionary *tmpDict = _allTasks?_allTasks:@{};
    NSMutableDictionary *fileWithTasks = [CWUploadTask uploadTasksWithDict:_instance.fileStreamDict];
    
    [fileWithTasks addEntriesFromDictionary:tmpDict];
    return fileWithTasks;
}

- (NSMutableDictionary<NSString*,CWUploadTask*>*_Nullable)allUploadWaitTasks
{
    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [self.allTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (task.fileStream.fileStatus == CWUploadStatusWaiting &&
            task.fileStream.fileStatus != CWUploadStatusFailed) {
            [dic setObject:task forKey:key];
        }
    }];
    return dic;
}

- (NSMutableDictionary<NSString*,CWUploadTask*>*_Nullable)allUploadEndTasks
{
    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [self.uploadingTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (task.fileStream.fileStatus == CWUploadStatusFinished) {
            [dic setObject:task forKey:key];
        }
    }];
    return dic;
}

- (NSMutableDictionary<NSString*,CWUploadTask*>*_Nullable)allUploadingTasks
{
    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [self.allTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (task.fileStream.fileStatus == CWUploadStatusUpdownloading) {
            [dic setObject:task forKey:key];
        }
    }];

    return dic;
}

#pragma 工具方法
- (CWUploadTask *)continuePerformTaskWithFilePath:(NSString *)path{
    
    //获取任务数据字段
    CWFileStreamSeparation *fstream = [self.fileStreamDict objectForKey:path.lastPathComponent];
    CWUploadTask *uploadTask = self.allTasks[path.lastPathComponent];
    if (!uploadTask) {
        uploadTask = [CWUploadTask initWithStreamModel:fstream];
        [self.allTasks setObject:uploadTask forKey:path.lastPathComponent];
    }
//    [uploadTask taskResume];
    return uploadTask;
}

+ (BOOL)isUploadTask:(NSString *)path{
    _instance = [CWFileUploadManager shardUploadManager];
    if (![CWFileManager isFileAtPath:_instance.plistPath]) {
        [CWFileManager createFileAtPath:_instance.plistPath overwrite:NO];
    }
    _instance.fileStreamDict = [_instance unArcherThePlist:_instance.plistPath];
    if (_instance.fileStreamDict[path.lastPathComponent] == nil) {
        return NO;
    }else{
        return YES;
    }
}

//新建任务分片模型并存入plist文件
- (CWFileStreamSeparation * _Nullable)taskRecord:(NSString *)path{
    
    CWFileStreamSeparation *file = [[CWFileStreamSeparation alloc] initFileOperationAtPath:path forReadOperation:YES];
    [self.fileStreamDict setObject:file forKey:path.lastPathComponent];
    
    [self archerTheDictionary:_fileStreamDict file:self.plistPath];
    
    return file;
}

//新建任务分片模型并存入plist文件
- (CWFileStreamSeparation * _Nullable)taskRecord:(NSString *)path uploadLocation:(NSString *)uploadLocation imageData:(NSData *)imageData {
    
    CWFileStreamSeparation *file = [[CWFileStreamSeparation alloc] initFileOperationAtPath:path forReadOperation:YES uploadLocation:uploadLocation imageData:imageData];
    [self.fileStreamDict setObject:file forKey:path.lastPathComponent];
    
    [self archerTheDictionary:_fileStreamDict file:self.plistPath];
    
    return file;
}

#pragma mark - notification

- (void)registeNotification{
    HLog(@"del 2024525  暂未做");
    /* hxd del 2024525  暂未做
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationBecomeActive) name:UIApplicationDidBecomeActiveNotification object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskExeEnd:) name:CWUploadTaskExeEnd object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskExeSuspend:) name:CWUploadTaskExeSuspend object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskExeError:) name:CWUploadTaskExeError object:nil];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accountChange) name:ChangeAccountNotification object:nil];

    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(exchanggeAccount) name:ExchangeLoginAccountNotification object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(exchanggeAccount) name:AccountLoginOutsideNotification object:nil];
     */
}

//app启动或者app从后台进入前台都会调用这个方法
- (void)applicationBecomeActive{
    [self uploadingTasksItemExe];
}

- (void)taskExeSuspend:(NSNotification *)notification
{
    CWFileStreamSeparation *fs = notification.userInfo.allValues.firstObject;
    [self.uploadingTasks removeObjectForKey:fs.fileName];
    
    [self.allTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (task.fileStream.fileStatus == CWUploadStatusWaiting &&
            self.uploadingTasks.allValues.count < self.uploadMaxNum) {
            [[CWFileUploadManager shardUploadManager] resumeUploadTask:task.fileStream];
        }
    }];
    
    [self allUploadingTasks];
}

- (void)taskExeEnd:(NSNotification *)notification
{
    CWFileStreamSeparation *fs = notification.userInfo.allValues.firstObject;
    [self.uploadingTasks removeObjectForKey:fs.fileName];
    [self.uploadWaitTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (self.uploadingTasks.allValues.count < self.uploadMaxNum) {
            [task taskResume];
        }else{
            *stop = YES;
        }
    }];
    [self allUploadingTasks];
}

- (void)taskExeError:(NSNotification *)notification
{
    CWFileStreamSeparation *fs = notification.userInfo[@"fileStream"];
    NSError *error = (NSError *)notification.userInfo[@"error"];
    [self.uploadingTasks removeObjectForKey:fs.fileName];
    HLog(@"taskError:%@",error);
}

- (void)uploadingTasksItemExe{
    NSDictionary *dict = [NSDictionary dictionaryWithDictionary:self.uploadingTasks];
    [self.uploadingTasks removeAllObjects];
    [dict enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        [task taskResume];
    }];
    [self.uploadWaitTasks enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
        CWUploadTask *task = obj;
        if (self.uploadingTasks.allValues.count<self.uploadMaxNum) {
            [task taskResume];
        }else{
            *stop = YES;
        }
    }];
    [self allUploadingTasks];
}

- (void)accountChange { // 修改账号
    self.plistPath = [self getNewPlistPath];
}

- (void)exchanggeAccount { // 切换账号
    HLog(@"切换账号");
    
    [self pauseAllUploadTask]; // 暂停所有上传任务
    
    self.plistPath = [self getNewPlistPath];
    [self.allTasks removeAllObjects];
    self.allTasks = nil;
    [self.fileStreamDict removeAllObjects];
    [self clearCookies];
}

// 清空Cookie
- (void)clearCookies {
    
    NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];
    NSArray *cookieArray = [NSArray arrayWithArray:[cookieJar cookies]];
    for(id obj in cookieArray)
    {
        [cookieJar deleteCookie:obj];
    }
}

#pragma mark - tools
//归档
- (void)archerTheDictionary:(NSDictionary *)dict file:(NSString *)path{
    [HWDataManager archiveObject:dict toPlistPath:path];
}

//解档
- (NSMutableDictionary *)unArcherThePlist:(NSString *)path{
    NSMutableDictionary *dic = [HWDataManager readObjectFromPlistPath:path];
    return dic;
}

#pragma mark - 相册文件写入Cache
/// 将相册里的视频文件缓存到Cache
- (NSString *_Nullable)writeVideoDataFromURL:(NSURL *_Nullable)url uploadLocation:(NSString *_Nullable)uploadLocation {
    
    NSString *account = [HWDataManager getStringWithKey:Const_HWAccountPhoneNumber];
    if (account.length != 0) {
         NSString *fileFolder = kPath_YunPan_Upload_Folder;
         NSString *originalPath = [url.absoluteString stringByReplacingOccurrencesOfString:@"file://" withString:@""];
         NSString *fileName;
//         fileName = [NSString stringWithFormat:@"%@/%@", uploadLocation,fileName];
         fileName = [NSString stringWithFormat:@"%@",  [iTools getNowTimeStampString]];
         
         NSString *videoName = [NSString stringWithFormat:@"SZX%@.mp4", fileName];
         NSString *sandboxPath = [fileFolder stringByAppendingPathComponent:videoName];
         NSError * error = nil;
         BOOL isSuccess = [CWFileManager moveItemAtPath:originalPath toPath:sandboxPath overwrite:YES error:&error];
         HLog(@"保存相册视频文件：%@到Caches：%@是否成功:%d error:%@", originalPath, sandboxPath,isSuccess,error);
         return sandboxPath;
     }else {
         HLog(@"未登录 缓存视频文件失败！");
         return nil;
     }
    

}

/// 将相册里的图片文件缓存到Cache
- (NSString *_Nullable)writeIamgeData:(NSData *_Nullable)data iamgeName:(NSString *_Nullable)iamgeName uploadLocation:(NSString *_Nullable)uploadLocation {
     NSString *account = [HWDataManager getStringWithKey:Const_HWAccountPhoneNumber];

    if (account.length != 0) {
         NSString *fileFolder = kPath_YunPan_Upload_Folder;
         NSString *fileName = [NSString stringWithFormat:@"SZX%@",  [iTools getNowTimeStampString]];
         
         NSString *videoName = [NSString stringWithFormat:@"%@.PNG", fileName];
         NSString *sandboxPath = [fileFolder stringByAppendingPathComponent:videoName];
         BOOL isSuccess = [data writeToFile:sandboxPath atomically:YES];
         HLog(@"保存相册图片文件到Caches是否成功:%d", isSuccess);
         return sandboxPath;
     }else {
         HLog(@"未登录 缓存图片文件失败！");
         return nil;
     }

}

- (NSString *_Nullable)writeIamgeDataToLocal:(NSData *_Nullable)data {

     NSString *account = [HWDataManager getStringWithKey:Const_HWAccountPhoneNumber];
     if (account.length != 0) {
         NSString *fileFolder = kPath_YunPan_Upload_Folder;
         NSString *fileName = [NSString stringWithFormat:@"SZX%@",  [iTools getNowTimeStampString]];
         
         NSString *videoName = [NSString stringWithFormat:@"%@.PNG", fileName];
         NSString *sandboxPath = [fileFolder stringByAppendingPathComponent:videoName];
         BOOL isSuccess = [data writeToFile:sandboxPath atomically:YES];
         HLog(@"保存相册图片文件到Caches是否成功:%d", isSuccess);
         return sandboxPath;
     }else {
         HLog(@"未登录 缓存图片文件失败！");
         return nil;
     }

}

@end