1v1_7/MSYOUPAI/Class/MusicLibrary/Model/YOUPAILZMusicManager.m

//
//  YOUPAILZMusicManager.m
//  YOUQU
//
//  Created by CY on 2021/12/10.
//  Copyright © 2021 MS. All rights reserved.
//

#import "YOUPAILZMusicManager.h"
static YOUPAILZMusicManager *_manager;
static dispatch_once_t _onceToken;


@interface YOUPAILZMusicManager ()

@property (nonatomic, strong, readwrite) NSMutableArray <YOUPAILZMusicListItemModel *>*youpaipmusics; /// 音乐数据
@property (nonatomic, strong, readwrite) YOUPAILZMusicListItemModel *youpaipcurrentMusic; /// 当前正在播放的音乐
@property (nonatomic, assign, readwrite) BOOL youpaipisPlay; /// 是否播放
@property (nonatomic, assign, readwrite) BOOL youpaipisPause; /// 是否暂停
@property (nonatomic, assign, readwrite) BOOL youpaipisShowLyrie; /// 是否显示歌词

@property (nonatomic, assign) BOOL isFirst; // 是否是首次播放


@end

@implementation YOUPAILZMusicManager

+ (instancetype)shareManager{
    dispatch_once(&_onceToken, ^{
        _manager = [[YOUPAILZMusicManager alloc] init];
        [_manager youpaifrelaodMusicList];
    });
    return _manager;
}

/// 刷新音乐数据
- (void)youpaifrelaodMusicList{
    self.youpaipisPlay = NO;
    self.youpaipisPause = YES;
    @weakify(self);
    [LCHttpHelper requestWithURLString:MySongs parameters:@{} needToken:YES type:(HttpRequestTypePost) success:^(id responseObject) {
        @strongify(self);
        NSDictionary* dict = (NSDictionary*)responseObject;
        NSInteger code = [[dict objectForKey:@"code"] integerValue];
        if (code == 0) {//成功
            NSDictionary *data = [dict objectForKey:@"data"];
            self.youpaipmusics = [YOUPAILZMusicListItemModel mj_objectArrayWithKeyValuesArray:[data objectForKey:@"list"]];
        }
        if (self.youpaipmusics.count == 0) {
            self.youpaipcurrentMusic = nil;
            return;
        }else{
            self.youpaipcurrentMusic = self.youpaipmusics[0];
        }

        if (self.changeCurrentMusicBlock != nil) {
            self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
        }
        if (self.changePlayStateBlock != nil) {
            self.isFirst = YES;
            self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
            [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
        }
    } failure:^(NSError *error) {
        @strongify(self);
        [self youpaifrelaodMusicList];
    }];
    
    
    
    
    
}
/// 下一首
- (void)youpaifnext{
    if (self.youpaipmusics.count == 0) {
        return;
    }
    self.youpaipisPlay = YES;
    self.youpaipisPause = NO;
    self.youpaipcurrentMusic.youpaipisPlay = NO;
    if ([self.youpaipmusics containsObject:self.youpaipcurrentMusic]) {
        NSInteger index = [self.youpaipmusics indexOfObject:self.youpaipcurrentMusic];
        if (index + 1 >= self.youpaipmusics.count) {
            self.youpaipcurrentMusic = self.youpaipmusics[0];
        }else{
            self.youpaipcurrentMusic = self.youpaipmusics[index + 1];
        }
    }else{
        self.youpaipcurrentMusic = self.youpaipmusics[0];
    }
    if (self.changeCurrentMusicBlock != nil) {
        self.youpaipcurrentMusic.youpaipisPlay = YES;
        [[YOUPAILZChatRoomManager shareManager] youpaifloadMusicInfoWithModel:self.youpaipcurrentMusic];
        self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
    }
    if (self.changePlayStateBlock != nil) {
        self.isFirst = YES;
        self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
/// 上一首
- (void)youpaifprevious{
    if (self.youpaipmusics.count == 0) {
        return;
    }
    self.youpaipisPlay = YES;
    self.youpaipisPause = NO;
    self.youpaipcurrentMusic.youpaipisPlay = NO;
    if ([self.youpaipmusics containsObject:self.youpaipcurrentMusic]) {
        NSInteger index = [self.youpaipmusics indexOfObject:self.youpaipcurrentMusic];
        if (index - 1 < 0) {
            self.youpaipcurrentMusic = self.youpaipmusics[self.youpaipmusics.count - 1];
        }else{
            self.youpaipcurrentMusic = self.youpaipmusics[index - 1];
        }
    }else{
        self.youpaipcurrentMusic = self.youpaipmusics[0];
    }
    if (self.changeCurrentMusicBlock != nil) {
        self.youpaipcurrentMusic.youpaipisPlay = YES;
        [[YOUPAILZChatRoomManager shareManager] youpaifloadMusicInfoWithModel:self.youpaipcurrentMusic];
        self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
    }
    if (self.changePlayStateBlock != nil) {
        self.isFirst = YES;
        self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
/// 播放
- (void)youpaifplay{
    if (self.youpaipmusics.count == 0) {
        return;
    }
    self.youpaipisPlay = YES;
    self.youpaipisPause = NO;
    if (self.changePlayStateBlock != nil) {
        self.youpaipcurrentMusic.youpaipisPlay = YES;
        self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
        self.isFirst = NO;
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
/// 暂停
- (void)youpaifpause{
    if (self.youpaipmusics.count == 0) {
        return;
    }
    self.youpaipisPlay = NO;
    self.youpaipisPause = YES;
    if (self.changePlayStateBlock != nil) {
        self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
///播放指定歌曲
- (void)youpaifplayMusic:(YOUPAILZMusicListItemModel *)music{
    if (self.youpaipmusics.count == 0) {
        return;
    }
    self.youpaipisPlay = YES;
    self.youpaipisPause = NO;
    self.youpaipcurrentMusic.youpaipisPlay = NO;
    if ([self.youpaipmusics containsObject:music]) {
        NSInteger index = [self.youpaipmusics indexOfObject:music];
        self.youpaipcurrentMusic = self.youpaipmusics[index];
    }else{
        self.youpaipcurrentMusic = self.youpaipmusics[0];
    }
    if (self.changeCurrentMusicBlock != nil) {
        self.youpaipcurrentMusic.youpaipisPlay = YES;
        [[YOUPAILZChatRoomManager shareManager] youpaifloadMusicInfoWithModel:self.youpaipcurrentMusic];
        self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
    }
    if (self.changePlayStateBlock != nil) {
        self.isFirst = YES;
        self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
/// 添加歌曲
- (void)youpaifaddMusic:(YOUPAILZMusicListItemModel *)music{
    [self.youpaipmusics addObject:music];
    if (self.youpaipcurrentMusic == nil) {
        self.youpaipcurrentMusic = music;
        if (self.changeCurrentMusicBlock != nil) {
            self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
        }
    }
}
/// 删除歌曲
- (void)youpaifremoveMusic:(YOUPAILZMusicListItemModel *)music{
    NSInteger index = -1;
    for (NSInteger i = 0; i < self.youpaipmusics.count; i ++) {
        YOUPAILZMusicListItemModel *iMusic = self.youpaipmusics[i];
        NSLog(@"%@ ==== %@",iMusic.youpaipsongCode, music.youpaipsongCode);
        if ([music.youpaipsongCode isEqual:iMusic.youpaipsongCode]) {
//            music = iMusic;
            index = i;
            break;
        }
    }
    if (index == -1) {
        return;
    }
    BOOL deleteCurrentMusic = [[self.youpaipmusics objectAtIndex:index].youpaipsongCode isEqual:self.youpaipcurrentMusic.youpaipsongCode];
    [self.youpaipmusics removeObjectAtIndex:index];

    
    if (deleteCurrentMusic) {
        self.youpaipisPlay = NO;
        self.youpaipisPause = YES;
        if (index >= self.youpaipmusics.count) {
            self.youpaipcurrentMusic = self.youpaipmusics.count == 0 ? nil : self.youpaipmusics[0];
        }else{
            self.youpaipcurrentMusic = self.youpaipmusics[index];
        }
        
        if (self.changeCurrentMusicBlock != nil) {
            self.changeCurrentMusicBlock(self.youpaipcurrentMusic);
        }
        if (self.changePlayStateBlock != nil) {
            self.isFirst = YES;
            self.changePlayStateBlock(self.youpaipisPlay,self.isFirst);
            [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
        }
    }

}
/// 显示歌词
- (void)youpaifshowLyrie{
    self.youpaipisShowLyrie = YES;
    if (self.changeShowLyrieStateBlock != nil) {
        self.changeShowLyrieStateBlock(self.youpaipisShowLyrie);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}
/// 隐藏歌词
- (void)youpaifhideLyrie{
    self.youpaipisShowLyrie = NO;
    if (self.changeShowLyrieStateBlock != nil) {
        self.changeShowLyrieStateBlock(self.youpaipisShowLyrie);
        [[NSNotificationCenter defaultCenter] postNotificationName:@"VQUMusicStateChangeNotification" object:nil userInfo:nil];
    }
}

/// 停止播放
- (void)youpaifstopPlay{
    self.isFirst = YES;
}

- (NSMutableArray<YOUPAILZMusicListItemModel *> *)youpaipmusics{
    if (!_youpaipmusics) {
        _youpaipmusics = [NSMutableArray array];
    }
    return _youpaipmusics;
}

@end