klx_teacher/KulexiuForTeacher/KulexiuForTeacher/Module/TXClassRoom/View/TXFullVideo/TXFullVideoView.m

//
//  TXFullVideoView.m
//  TeacherDaya
//
//  Created by 王智 on 2023/4/14.
//  Copyright © 2023 DayaMusic. All rights reserved.
//

#import "TXFullVideoView.h"
#import "ClassroomService.h"
#import "TXFullVideoCell.h"

@interface TXFullVideoView ()<UICollectionViewDelegate, UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>

@property (nonatomic, strong) UICollectionView *videoView;

@property (nonatomic, strong) NSMutableArray *videoDataSource;

@property (nonatomic, strong) dispatch_queue_t videoListQueue;

@property (nonatomic, assign) CGRect viewFrame;

@property (nonatomic, assign) CGSize cellSize;

@end

@implementation TXFullVideoView


- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        _viewFrame = CGRectMake(0, 0, KLandscapeWidth, KLandscapeHeight);
        [self addSubview:self.videoView];
        [self addCancleButton];
    }
    return self;
}

- (void)addCancleButton {
    UIButton *cancleButton = [[UIButton alloc] initWithFrame:CGRectMake(KLandscapeWidth - 50, 10, 40, 40)];
    [cancleButton setImage:[UIImage imageNamed:@"videoMask_delete"] forState:UIControlStateNormal];
    [cancleButton addTarget:self action:@selector(cancleButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:cancleButton];
    [self bringSubviewToFront:cancleButton];
}

- (void)cancleButtonAction:(UIButton *)sender {
    if (self.delegate && [self.delegate respondsToSelector:@selector(cancleFullVideoList)]) {
        [self.delegate cancleFullVideoList];
    }
}

- (void)showInView:(UIView *)view {
    [view addSubview:self];
    if ([ClassroomService sharedService].currentRoom.isPlayBeat || [ClassroomService sharedService].currentRoom.isPlaySong) {
        // 记录当前播放的学生音频
        self.currentPlayUserId = [ClassroomService sharedService].currentRoom.currentPlayUserId;
    }
}

- (void)showVideoList {
    dispatch_async(self.videoListQueue, ^{
        NSArray *tempArray = [ClassroomService sharedService].currentRoom.memberList;
//        NSMutableArray *array = [NSMutableArray arrayWithArray:[ClassroomService sharedService].currentRoom.memberList];
//        [array addObjectsFromArray:tempArray];
//        [array addObjectsFromArray:tempArray];
//        [array addObjectsFromArray:tempArray];
////        [array addObjectsFromArray:tempArray];
//        tempArray = [NSArray arrayWithArray:array];
        if (tempArray.count <= 0) {
            return;
        }
        NSSortDescriptor * des = [[NSSortDescriptor alloc] initWithKey:@"joinTime" ascending:YES];
        NSMutableArray *sortArray = [[tempArray sortedArrayUsingDescriptors:@[des]] mutableCopy];
        RoomMember *currentMember = [ClassroomService sharedService].currentRoom.currentMember;
        RoomMember *teacher = [ClassroomService sharedService].currentRoom.teacher;
        __block NSInteger teacherIdx = -1;
        __block  NSInteger meIdx = -1;
        NSMutableIndexSet *set = [[NSMutableIndexSet alloc]init];
        
        for (int i = 0; i < [sortArray count]; i++ ) {
            RoomMember *member = (RoomMember *)[sortArray objectAtIndex:i];
            if ([member.userId isEqualToString:currentMember.userId]) {
                meIdx = i;
            }else {
                if (member.role == RoleTeacher) {
                    teacherIdx = i;
                }
                if (member.role == RoleAudience) {
                    [set addIndex:i];//旁观者不能被任何他人看见，如果自己是旁观者自己可以看见自己
                }
            }
        }
        
        NSMutableArray *lastArray = [[NSMutableArray alloc] init];
        if (teacherIdx >= 0) {
            [lastArray addObject:teacher];
            [set addIndex:teacherIdx];
        }
        if (meIdx >= 0) {
            [lastArray addObject:currentMember];
            [set addIndex:meIdx];
        }
        if (set.count > 0) {
            [sortArray removeObjectsAtIndexes:set];
        }
        [lastArray addObjectsFromArray:sortArray];
        dispatch_async(dispatch_get_main_queue(), ^{
            self.videoDataSource = [lastArray mutableCopy];
            [self.videoView reloadData];
        });
    });
}

- (void)updateUserVideo:(NSString *)userId {
    dispatch_async(self.videoListQueue, ^{
        for(int i=0;i < self.videoDataSource.count; i++) {
            RoomMember *member = self.videoDataSource[i];
            if([member.userId isEqualToString:userId]) {
                NSIndexPath *index = [NSIndexPath indexPathForItem:i inSection:0];
                dispatch_async(dispatch_get_main_queue(), ^{
                    TXFullVideoCell * cell = (TXFullVideoCell *)[self.videoView cellForItemAtIndexPath:index];
                    if (cell) {
                        [self.videoView reloadItemsAtIndexPaths:@[index]];
                    }
                });
            }
        }
    });
}


- (void)updateUserQuality:(NSString *)userId netWorkingStatus:(TXNetWorkingStatus)quality {
    dispatch_async(self.videoListQueue, ^{
        for(int i = 0;i < self.videoDataSource.count; i++) {
            RoomMember *member = self.videoDataSource[i];
            if([member.userId isEqualToString:userId]) {
                NSIndexPath *index = [NSIndexPath indexPathForRow:i inSection:0];
                dispatch_async(dispatch_get_main_queue(), ^{
                    TXFullVideoCell * cell = (TXFullVideoCell *)[self.videoView cellForItemAtIndexPath:index];
                    if (cell) {
                        [cell updateQuality:quality];
                    }
                });
            }
        }
    });
}

- (void)updateMicStatus:(NSString *)userId volume:(NSInteger)volume {
    dispatch_async(self.videoListQueue, ^{
        for(int i = 0;i < self.videoDataSource.count; i++) {
            RoomMember *member = self.videoDataSource[i];
            if([member.userId isEqualToString:userId]) {
                RoomMember *currentMember = [[ClassroomService sharedService].currentRoom getMember:userId];

                NSIndexPath *index = [NSIndexPath indexPathForRow:i inSection:0];
                dispatch_async(dispatch_get_main_queue(), ^{
                    TXFullVideoCell * cell = (TXFullVideoCell *)[self.videoView cellForItemAtIndexPath:index];
                    if (cell) {
                        [cell updateUserVolume:volume isCloseMic:!currentMember.microphoneEnable];
                    }
                });
            }
        }
    });
}

#pragma mark  ----- collection view data source

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.videoDataSource.count;
}

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    TXFullVideoCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TXFullVideoCell" forIndexPath:indexPath];
    cell.cellSize = self.cellSize;
    [cell setModel:[self.videoDataSource objectAtIndex:indexPath.row] displayUserId:self.displayUserId];
    
    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    // 显示大屏
    RoomMember *mem = [self.videoDataSource objectAtIndex:indexPath.row];
    if (self.delegate && [self.delegate respondsToSelector:@selector(fullVideoListView:didTap:)]) {
        self.displayUserId = mem.userId;
        [self.delegate fullVideoListView:self didTap:mem];
    }
}



- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    switch (self.videoDataSource.count) {
        case 1:
        {
            self.cellSize = CGSizeMake((self.viewFrame.size.width - 30) / 2.0f, self.viewFrame.size.height - 20);
            return self.cellSize;
        }
            break;
        case 2:
        {
            self.cellSize = CGSizeMake((_viewFrame.size.width - 30) / 2.0f, _viewFrame.size.height - 20);
            return self.cellSize;
        }
            break;
        case 3:
        case 4:
        {
            self.cellSize = CGSizeMake((_viewFrame.size.width - 30) / 2.0f, (_viewFrame.size.height - 30) / 2.0f);
            return self.cellSize;
        }
            break;
        case 5:
        case 6:
        {
            self.cellSize = CGSizeMake((_viewFrame.size.width - 40) / 3.0f, (_viewFrame.size.height - 30) / 2.0f);
            return self.cellSize;
        }
            break;
        default:
            self.cellSize = CGSizeMake((_viewFrame.size.width - 40) / 3.0f, (_viewFrame.size.height - 40) / 3.0f);
            return self.cellSize;
    }
}

#pragma mark ---- lazying
- (UICollectionView *)videoView {
    if (!_videoView) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10);
        _videoView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, KLandscapeWidth, KLandscapeHeight) collectionViewLayout:layout];
        _videoView.backgroundColor = HexRGB(0xffffff);
        _videoView.delegate = self;
        _videoView.dataSource = self;
        _videoView.bounces = NO;
        _videoView.showsVerticalScrollIndicator = NO;
        _videoView.showsHorizontalScrollIndicator = NO;
        [_videoView registerNib:[UINib nibWithNibName:@"TXFullVideoCell" bundle:[NSBundle mainBundle]] forCellWithReuseIdentifier:@"TXFullVideoCell"];
    }
    return _videoView;
}

- (NSMutableArray *)videoDataSource {
    if (!_videoDataSource) {
        _videoDataSource = [NSMutableArray array];
    }
    return _videoDataSource;
}

- (dispatch_queue_t)videoListQueue {
    if (!_videoListQueue) {
        _videoListQueue = dispatch_queue_create("cn.daya.fullVideo.videolist", DISPATCH_QUEUE_SERIAL);
    }
    return _videoListQueue;
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end