//
//  SLSVideoTileView.m
//  SellyCloudSDK_Example
//
//  Created by Caleb on 13/11/25.
//  Copyright © 2025 Caleb. All rights reserved.
//

#import "SLSVideoTileView.h"

@interface SLSVideoTileView ()
@property (nonatomic, strong)NSString *userId;

@property (nonatomic, strong) UIView      *contentViewInternal;
@property (nonatomic, strong) UILabel     *nameLabel;
@property (nonatomic, strong) UIImageView *muteIcon;
@property (nonatomic, strong) UIView      *videoMaskView;
@property (nonatomic, strong) UILabel     *videoOffLabel;
@property (nonatomic, strong) UILabel *bitrate;
@property (nonatomic, strong) UILabel *fps;
@property (nonatomic, strong) UILabel *codec;
@property (nonatomic, strong) UILabel *rtt;
@end

@implementation SLSVideoTileView

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.layer.cornerRadius = 10.f;
        self.clipsToBounds = YES;
        self.backgroundColor = [UIColor blackColor];

        _contentViewInternal = [[UIView alloc] initWithFrame:self.bounds];
        _contentViewInternal.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
        _contentViewInternal.backgroundColor = [UIColor blackColor];
        [self addSubview:_contentViewInternal];

        _videoMaskView = [[UIView alloc] initWithFrame:self.bounds];
        _videoMaskView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
        _videoMaskView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6];
        _videoMaskView.hidden = YES;
        [self addSubview:_videoMaskView];

        _videoOffLabel = [[UILabel alloc] initWithFrame:CGRectZero];
        _videoOffLabel.textAlignment = NSTextAlignmentCenter;
        _videoOffLabel.textColor = [UIColor lightGrayColor];
        _videoOffLabel.font = [UIFont systemFontOfSize:14];
        _videoOffLabel.text = @"视频已关闭";
        [_videoMaskView addSubview:_videoOffLabel];

        _nameLabel = [[UILabel alloc] initWithFrame:CGRectZero];
        _nameLabel.font = [UIFont systemFontOfSize:12 weight:UIFontWeightMedium];
        _nameLabel.textColor = [UIColor whiteColor];
        _nameLabel.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
        _nameLabel.layer.cornerRadius = 8;
        _nameLabel.clipsToBounds = YES;
        [self addSubview:_nameLabel];

        _muteIcon = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"mic.slash.fill"]];
        _muteIcon.tintColor = [UIColor systemRedColor];
        [self addSubview:_muteIcon];
        
        [self addSubview:self.bitrate];
        [self addSubview:self.fps];
        [self addSubview:self.codec];
        [self addSubview:self.rtt];
        
        [self.bitrate mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.top.offset(10);
        }];
        
        [self.fps mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.bitrate.mas_bottom).offset(10);
            make.left.offset(10);
        }];
        
        [self.codec mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.fps.mas_bottom).offset(10);
            make.left.offset(10);
        }];
        
        [self.rtt mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.codec.mas_bottom).offset(10);
            make.left.offset(10);
        }];
    }
    return self;
}

- (UIView *)contentView {
    return self.contentViewInternal;
}

- (void)layoutSubviews {
    [super layoutSubviews];
    self.contentViewInternal.frame = self.bounds;
    self.videoMaskView.frame = self.bounds;
    self.videoOffLabel.frame = CGRectInset(self.videoMaskView.bounds, 8, 8);

    CGFloat padding = 6.f;
    CGSize maxSize = CGSizeMake(self.bounds.size.width - 2*padding, 20);
    CGSize nameSize = [self.nameLabel sizeThatFits:maxSize];
    self.nameLabel.frame = CGRectMake(padding,
                                      self.bounds.size.height - nameSize.height - padding,
                                      nameSize.width + 12,
                                      nameSize.height);

    self.muteIcon.frame = CGRectMake(CGRectGetMaxX(self.nameLabel.frame) + 4,
                                     CGRectGetMinY(self.nameLabel.frame) - 2,
                                     18,
                                     18);
}

- (void)updateWithParticipant:(SLSParticipant *)p {
    self.userId = p.uid;
    // 昵称
    self.nameLabel.text = p.displayName.length ? p.displayName : p.uid;

    // 音频静音图标
    self.muteIcon.hidden = !p.audioMuted;

    // 视频开关：只用遮罩层控制，不移除 contentView 里的子视图
    BOOL videoOn = !p.videoMuted;
    self.videoMaskView.hidden = videoOn;

    // 说话者高亮
    if (p.level > 0.25 && !p.audioMuted) {
        self.layer.borderWidth = 2.f;
        self.layer.borderColor = [UIColor systemGreenColor].CGColor;
    } else {
        self.layer.borderWidth = 0.f;
        self.layer.borderColor = nil;
    }

    [self setNeedsLayout];
}

- (void)setStats:(SellyRTCP2pStats *)stats {
    _stats = stats;
    
    
    self.rtt.text = [NSString stringWithFormat:@"  rtt：%ldms  ",(NSInteger)stats.transportRttMs];
    self.codec.text = [NSString stringWithFormat:@"  %@/%@  ",stats.videoCodec,stats.audioCodec];
    if ([self.userId isEqualToString:SellyRTCEngine.sharedEngine.userId]) {
        self.bitrate.text = [NSString stringWithFormat:@"  码率：%ld kbps  ",(NSInteger)(stats.txKbps)];
        self.fps.text = [NSString stringWithFormat:@"  视频：%ld fps  %ldx%ld  ",(NSInteger)(stats.sentFps),(NSInteger)(stats.sentWidth),(NSInteger)(stats.sentHeight)];
        
    }
    else {
        self.bitrate.text = [NSString stringWithFormat:@"  码率：%ld kbps  ",(NSInteger)(stats.rxKbps)];
        self.fps.text = [NSString stringWithFormat:@"  视频：%ld fps  %ldx%ld  ",(NSInteger)(stats.recvFps),(NSInteger)(stats.recvWidth),(NSInteger)(stats.recvHeight)];
    }
}

- (UILabel *)bitrate {
    if (!_bitrate) {
        _bitrate = [self createStatsLabel];
    }
    return _bitrate;
}

- (UILabel *)fps {
    if (!_fps) {
        _fps = [self createStatsLabel];
    }
    return _fps;
}

- (UILabel *)codec {
    if (!_codec) {
        _codec = [self createStatsLabel];
    }
    return _codec;
}

- (UILabel *)rtt {
    if (!_rtt) {
        _rtt = [self createStatsLabel];
    }
    return _rtt;
}

- (UILabel *)createStatsLabel {
    UILabel *label = [[UILabel alloc] init];
    label.font = [UIFont systemFontOfSize:12];
    label.textColor = [UIColor whiteColor];
    label.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
    label.textAlignment = NSTextAlignmentLeft;
    label.layer.cornerRadius = 4;
    label.layer.masksToBounds = YES;
    return label;
}

@end