//
//  audioPlayListManager.m
//  双子星云手机
//
//  Created by xd h on 2024/7/15.
//

#import "audioPlayListManager.h"
#import <MJExtension.h>

@implementation audioPlayListManager

+ (instancetype)shareManager {
    static audioPlayListManager *_instance;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _instance = [[self alloc] init];
    });
    return _instance;
}

- (instancetype)init {

    if (self = [super init]) {
    }
    return self;
}

- (NSString*)uid{
    if(!_uid || _uid.length == 0){
        return @"userName";
    }
    
    return _uid;
}

- (NSString *)getFullDirector {

    NSString *account = self.uid;
    if (account.length != 0)
    {
         NSString *fileFolder = [HWDataManager documentPathForAccount:account fileFolder:KaudioPlayListDirector];
        // 创建文件储存路径
        if (![[NSFileManager defaultManager] fileExistsAtPath:fileFolder]) {
            [[NSFileManager defaultManager] createDirectoryAtPath:fileFolder withIntermediateDirectories:YES attributes:nil error:nil];
        }
         return fileFolder;
     }else {
         HLog(@"创建文件失败！");
         return @"";
     }
}

#pragma mark- last file plist Path
- (NSString *)getAudioPlayListPlistPath {
    NSString *fileFolder = [self getFullDirector];
    return [fileFolder stringByAppendingPathComponent:@"audioPlayList.plist"];;
}

#pragma mark- last file  plist
- (NSMutableDictionary *)audioPlayPList {
    
    if (!_audioPlayPList) { // 内存没有
        _audioPlayPList = [[NSDictionary dictionaryWithContentsOfFile:[self getAudioPlayListPlistPath]] mutableCopy]; // 本地加载
        if (!_audioPlayPList) { // 本地没有，分配内存
            _audioPlayPList = [NSMutableDictionary dictionary];
        }
    }
    return _audioPlayPList;
}


- (NSMutableArray*)audioPlayListArr{
    if (!_audioPlayListArr) { // 内存没有
        NSMutableArray *dataArr = [NSMutableArray new];
        
        if (self.audioPlayPList) {
            if([[self.audioPlayPList allKeys] containsObject:KaudioPlayListkey]){
                NSArray *lastDataArr = self.audioPlayPList[KaudioPlayListkey];
                
                for (int i=0; i<lastDataArr.count; i++) {
                    NSDictionary *dict = lastDataArr[i];
                    lastFileModel *model = [lastFileModel mj_objectWithKeyValues:dict];
                    if(model){
                        [dataArr addObject:model];
                    }
                }
                
                //数组按第一次预览时间倒序
                if(dataArr.count >= 2){
                    NSArray *sortArr = [dataArr sortedArrayUsingComparator:^NSComparisonResult(lastFileModel* obj1, lastFileModel* obj2) {
                               NSTimeInterval time1 = obj1.lastPreTime;
                                NSTimeInterval time2 = obj2.lastPreTime;
                               if (time1 < time2) {
                                   return NSOrderedDescending;
                               }
                               if (time1 > time2) {
                                   return NSOrderedAscending;
                               }
                               return NSOrderedSame;
                           }];
                    
                    dataArr = [NSMutableArray arrayWithArray:sortArr];
                }
            }
            
        }
        
        _audioPlayListArr = dataArr;
        
    }
    return _audioPlayListArr;
}

/**  增加配置信息 */
- (BOOL)saveFileInfoWith:(lastFileModel *)lastFileMod with:(NSString*)fullPath {
    
    if(!lastFileMod || !fullPath){
        return NO;
    }
    
    BOOL flag = NO;
    @synchronized (self) {
        //NSString *key = fullPath;
        //1.本地持久化
        NSMutableDictionary *dictM =  self.audioPlayPList;
        NSMutableArray *dataArr = self.audioPlayListArr;
        
        
        BOOL isInPlayList = NO;
        
        NSMutableArray *saveDictArr = [NSMutableArray new];
        for (lastFileModel*model in dataArr) {
            if([model.path isEqualToString:fullPath]){
                isInPlayList = YES;
                break;
            }
            
            //把原来的数据加到saveDictArr
            //lastFileMod.localPath = [self getAudioCacheFullPathBy:model.name];
            NSDictionary *dict = [model lastFileInfoFun];
            [saveDictArr addObject:dict];
        }
        
        if(isInPlayList){
            HLog(@"音乐保存在播放列表里面了")
            return NO;
        }
        
        //1.写到内存
        //[dataArr addObject:lastFileMod];
        [dataArr insertObject:lastFileMod atIndex:0];
        
        //2.本地持久化 把新的的数据加到saveDictArr
        lastFileMod.lastPreTime = [iTools getNowTimeStamp];
        lastFileMod.localPath = [self getAudioCacheFullPathBy:lastFileMod.name];
        NSDictionary *dict = [lastFileMod lastFileInfoFun];
        [saveDictArr addObject:dict];
        
        if(saveDictArr){
            [dictM setValue:saveDictArr forKey:KaudioPlayListkey];
        }
        
        NSString * PlistPath = [self getAudioPlayListPlistPath];
        flag = [dictM writeToFile:PlistPath atomically:YES];
    }
    
    return flag;
    
}

/**  删除配置信息 */
- (BOOL)deleteFileInfoWithUrl:(NSString *)fullPath {
    if(!fullPath){
        return NO;
    }
    
    BOOL flag = NO;
    @synchronized (self) {
        
        //1.内存删除
        for (lastFileModel*preModel in self.audioPlayListArr) {
            if([preModel.path isEqualToString:fullPath]){
                [self.audioPlayListArr removeObject:preModel];
                break;
            }
        }
        
        //2.本地持久化删除
        NSMutableArray *saveDictArr = [NSMutableArray new];
        for (lastFileModel*model in self.audioPlayListArr) {
            
            NSDictionary *dict = [model lastFileInfoFun];
            [saveDictArr addObject:dict];
        }
        
        [self.audioPlayPList setValue:saveDictArr forKey:KaudioPlayListkey];
        flag = [self.audioPlayPList writeToFile:[self getAudioPlayListPlistPath] atomically:YES];
        
    }
    return flag;
}

- (NSString*)getAudioCacheFullPathBy:(NSString*)name
{
    NSString*fullPathDirector = [NSString stringWithFormat:@"%@/%@",DocumentPath,@"playAudioCache"];
    
    // 创建文件储存路径
    if (![[NSFileManager defaultManager] fileExistsAtPath:fullPathDirector]) {
        [[NSFileManager defaultManager] createDirectoryAtPath:fullPathDirector withIntermediateDirectories:YES attributes:nil error:nil];
    }
    NSString*fullPath = [NSString stringWithFormat:@"%@/%@",fullPathDirector,name];
    return fullPath;
}

//df准备播放是下载
- (void)beginToDownloadByUrl:(NSString*)url
{
    if(!url)return;
    
    //解码
    //NSString * urlString = [url stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSString *urlFileName = [url lastPathComponent];
    
    NSString *filePath = [iTools base64UrlDecoder:urlFileName];
    //NSString * fileName = [filePath lastPathComponent];
    
    NSString *urlStr = ksharedAppDelegate.NASFileByBoxService;
//    NSString *fileUrl = [[NSString alloc] initWithFormat:@"%@getFiles/%@",urlStr,urlFileName];

    NSString *fileUrl = [[NSString alloc] initWithFormat:@"%@getFile?path=%@",urlStr,filePath];
    fileUrl = [fileUrl  stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    if (![self checkDownloadDoneBy:filePath]) {
        [[audioPlayDownloadManager shareManager] addDownloadWithURLs:@[fileUrl]];
    }
}

//检测是否下载完成
- (BOOL)checkDownloadDoneBy:(NSString*)filePath
{
    lastFileModel*preDownloadModel = nil;
    for (lastFileModel*model in self.audioPlayListArr) {
        if([model.path isEqualToString:filePath]){
            preDownloadModel = model;
            break;
        }
    }
    
    if(!preDownloadModel){
        return NO;
    }
    
    //NSString *curFilePath = preDownloadModel.localPath;
    NSString *curFilePath  = [[audioPlayListManager shareManager] getAudioCacheFullPathBy:preDownloadModel.name];
    
    // 创建NSFileManager实例
    NSFileManager *fileManager = [NSFileManager defaultManager];
    
    // 使用fileExistsAtPath方法检查文件是否存在
    BOOL fileExists = [fileManager fileExistsAtPath:curFilePath];
    
    // 再加一层判断看看
    if(!fileExists){
        NSDictionary *attributes = [fileManager attributesOfItemAtPath:curFilePath error:nil];
        if (attributes) {
            fileExists = YES;;
        } else {
            HLog(@"文件不存在:%@",filePath);
        }
    }
    
    
    if(preDownloadModel && preDownloadModel.isDownDoneType && fileExists){
        return YES;
    }
    
    return NO;
}

/**  更新下载完成 */
- (void)changeFileToDonewith:(NSString*)url
{
    NSString * decodeUrl= [url stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    NSArray *urlArr = [decodeUrl componentsSeparatedByString:@"?path="];
    if(urlArr.count >= 2){
        NSString *filePath = urlArr.lastObject;
        
        for (lastFileModel*model in self.audioPlayListArr) {
            if([model.path isEqualToString:filePath]){
                model.isDownDoneType = YES;
                [self updateLoaclInfoFun];
                break;
            }
        }
    }
}

//本地更新数据持久化
- (void)updateLoaclInfoFun
{
    @synchronized (self) {
    
        //1.本地持久化
        NSMutableDictionary *dictM =  self.audioPlayPList;
        NSMutableArray *dataArr = self.audioPlayListArr;
        
        NSMutableArray *saveDictArr = [NSMutableArray new];
        for (lastFileModel*model in dataArr) {
            model.localPath = [self getAudioCacheFullPathBy:model.name];
            NSDictionary *dict = [model lastFileInfoFun];
            [saveDictArr addObject:dict];
        }
        
        //2.本地持久化
        if(saveDictArr){
            [dictM setValue:saveDictArr forKey:KaudioPlayListkey];
        }
        
        NSString * PlistPath = [self getAudioPlayListPlistPath];
        [dictM writeToFile:PlistPath atomically:YES];
    }
}

/**  检测是否下载完成 */
- (NSString*)checkFileToDownloadDonewith:(NSString*)url
{
    NSString *urlFileName = [url lastPathComponent];
    NSString *filePath = [iTools base64UrlDecoder:urlFileName];
    
    for (lastFileModel*model in self.audioPlayListArr) {
        if([model.path isEqualToString:filePath]){
            if (model.isDownDoneType) {
                if(model.localPath){
                    NSString *curFilePath  = [[audioPlayListManager shareManager] getAudioCacheFullPathBy:model.name];
                    
                    // 创建NSFileManager实例
                    NSFileManager *fileManager = [NSFileManager defaultManager];
              
                    // 使用fileExistsAtPath方法检查文件是否存在
                    BOOL fileExists = [fileManager fileExistsAtPath:curFilePath];
              
                    if (fileExists) {
                        return  curFilePath;
                    } else {
                        return @"";
                    }
                }
            }
            
            break;
        }
    }
    
    return @"";
}
@end