//
//  SCPlayerDebugView.m
//  SellyCloudSDK_Example
//
//  Created by Caleb on 07/1/26.
//  Copyright © 2026 Caleb. All rights reserved.
//

#import "SCPlayerDebugView.h"
#import <Masonry/Masonry.h>

@interface SCPlayerDebugView ()
@property (nonatomic, strong) UIVisualEffectView *blurView;
@property (nonatomic, strong) UIView *headerView;
@property (nonatomic, strong) UIView *contentView;
@property (nonatomic, strong) UIScrollView *scrollView;
@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UILabel *logLabel;
@property (nonatomic, strong) UIButton *toggleButton;
@property (nonatomic, strong) UIButton *clearButton;

@property (nonatomic, strong) MASConstraint *contentViewHeightConstraint;
@property (nonatomic, strong) NSMutableArray<NSString *> *logs;
@property (nonatomic, strong) NSDateFormatter *dateFormatter;
@end

@implementation SCPlayerDebugView

- (instancetype)init {
    self = [super init];
    if (self) {
        _isExpanded = YES; // 默认展开
        _logs = [NSMutableArray array];
        
        // 日期格式化器（用于时间戳）
        _dateFormatter = [[NSDateFormatter alloc] init];
        _dateFormatter.dateFormat = @"HH:mm:ss.SSS";
        
        [self setupView];
    }
    return self;
}

- (void)setupView {
    // 毛玻璃背景
    UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleSystemUltraThinMaterialDark];
    _blurView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
    _blurView.layer.cornerRadius = 12;
    _blurView.layer.masksToBounds = YES;
    [self addSubview:_blurView];
    [_blurView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self);
    }];
    
    // 边框
    self.layer.cornerRadius = 12;
    self.layer.borderWidth = 0.5;
    self.layer.borderColor = [[UIColor whiteColor] colorWithAlphaComponent:0.3].CGColor;
    
    // 标题栏（可点击）
    _headerView = [[UIView alloc] init];
    [_blurView.contentView addSubview:_headerView];
    [_headerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.right.equalTo(_blurView.contentView);
        make.height.offset(44);
    }];
    
    // 添加点击手势
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleButtonTapped)];
    [_headerView addGestureRecognizer:tap];
    
    // 标题
    _titleLabel = [[UILabel alloc] init];
    _titleLabel.text = @"🐛 调试日志";
    _titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightSemibold];
    _titleLabel.textColor = [UIColor whiteColor];
    [_headerView addSubview:_titleLabel];
    [_titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(_headerView);
        make.left.offset(12);
    }];
    
    // 清空按钮
    _clearButton = [UIButton buttonWithType:UIButtonTypeSystem];
    [_clearButton setImage:[UIImage systemImageNamed:@"trash.circle.fill"] forState:UIControlStateNormal];
    _clearButton.tintColor = [[UIColor whiteColor] colorWithAlphaComponent:0.8];
    [_clearButton addTarget:self action:@selector(clearButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    [_headerView addSubview:_clearButton];
    [_clearButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(_headerView);
        make.right.offset(-44);
        make.width.height.offset(24);
    }];
    
    // 展开/收起按钮
    _toggleButton = [UIButton buttonWithType:UIButtonTypeSystem];
    // 默认展开状态，显示向上箭头（表示可以收起）
    [_toggleButton setImage:[UIImage systemImageNamed:@"chevron.up.circle.fill"] forState:UIControlStateNormal];
    _toggleButton.tintColor = [[UIColor whiteColor] colorWithAlphaComponent:0.8];
    [_toggleButton addTarget:self action:@selector(toggleButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    [_headerView addSubview:_toggleButton];
    [_toggleButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(_headerView);
        make.right.offset(-12);
        make.width.height.offset(24);
    }];
    
    // 分割线
    UIView *separatorLine = [[UIView alloc] init];
    separatorLine.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.2];
    [_blurView.contentView addSubview:separatorLine];
    [separatorLine mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_headerView.mas_bottom);
        make.left.offset(12);
        make.right.offset(-12);
        make.height.offset(0.5);
    }];
    
    // 内容容器
    _contentView = [[UIView alloc] init];
    _contentView.clipsToBounds = YES;
    [_blurView.contentView addSubview:_contentView];
    [_contentView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(separatorLine.mas_bottom);
        make.left.right.bottom.equalTo(_blurView.contentView);
        // 保存高度约束的引用，用于动态调整
        self.contentViewHeightConstraint = make.height.offset(200); // 默认高度
    }];
    
    // ScrollView 用于滚动内容
    _scrollView = [[UIScrollView alloc] init];
    _scrollView.showsVerticalScrollIndicator = YES;
    _scrollView.showsHorizontalScrollIndicator = NO;
    _scrollView.alwaysBounceVertical = YES;
    [_contentView addSubview:_scrollView];
    [_scrollView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(_contentView).insets(UIEdgeInsetsMake(8, 12, 8, 12));
    }];
    
    // 日志文本标签
    _logLabel = [[UILabel alloc] init];
    _logLabel.font = [UIFont monospacedSystemFontOfSize:10 weight:UIFontWeightRegular];
    _logLabel.textColor = [UIColor whiteColor];
    _logLabel.numberOfLines = 0; // 多行显示
    _logLabel.lineBreakMode = NSLineBreakByCharWrapping;
    _logLabel.text = @""; // 初始为空
    [_scrollView addSubview:_logLabel];
    [_logLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(_scrollView);
        make.width.equalTo(_scrollView); // 限制宽度，允许文本换行
    }];
}

- (void)toggleButtonTapped {
    // 切换状态
    [self setIsExpanded:!self.isExpanded];
}

- (void)clearButtonTapped {
    [self clearLogs];
    
    // 触觉反馈
    UIImpactFeedbackGenerator *feedback = [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleMedium];
    [feedback impactOccurred];
}

#pragma mark - Public Methods

- (void)appendLog:(NSString *)message {
    [self appendLog:message withPrefix:nil];
}

- (void)appendLog:(NSString *)message withPrefix:(nullable NSString *)prefix {
    if (!message || message.length == 0) {
        return;
    }
    
    // 生成时间戳
    NSString *timestamp = [self.dateFormatter stringFromDate:[NSDate date]];
    
    // 构建完整的日志条目
    NSString *logEntry;
//    if (prefix && prefix.length > 0) {
//        logEntry = [NSString stringWithFormat:@"[%@] %@ %@", timestamp, prefix, message];
//    } else {
        logEntry = [NSString stringWithFormat:@"[%@] %@", timestamp, message];
//    }
    
    // 添加到日志数组
    [self.logs addObject:logEntry];
    
    // 限制日志数量（最多保留 200 条）
    if (self.logs.count > 200) {
        [self.logs removeObjectAtIndex:0];
    }
    
    // 更新 UI
    [self updateLogDisplay];
}

- (void)clearLogs {
    [self.logs removeAllObjects];
    [self updateLogDisplay];
}

#pragma mark - Private Methods

- (void)updateLogDisplay {
    // 将所有日志拼接成一个字符串
    NSString *allLogs = [self.logs componentsJoinedByString:@"\n"];
    self.logLabel.text = allLogs;
    
    // 更新布局
    [self.logLabel mas_updateConstraints:^(MASConstraintMaker *make) {
        // 强制刷新高度
    }];
    [self.logLabel layoutIfNeeded];
    
    // 滚动到底部（显示最新的日志）
    dispatch_async(dispatch_get_main_queue(), ^{
        CGFloat bottomOffset = MAX(0, self.scrollView.contentSize.height - self.scrollView.bounds.size.height);
        [self.scrollView setContentOffset:CGPointMake(0, bottomOffset) animated:YES];
    });
}

- (void)setIsExpanded:(BOOL)isExpanded {
    if (_isExpanded == isExpanded) {
        return; // 状态相同，不执行任何操作
    }
    
    _isExpanded = isExpanded;
    
    // 执行动画更新 UI
    CGFloat expandedHeight = 200; // 展开时的高度
    CGFloat collapsedHeight = 0;   // 收起时的高度
    
    [UIView animateWithDuration:0.3 delay:0 usingSpringWithDamping:0.8 initialSpringVelocity:0.5 options:UIViewAnimationOptionCurveEaseInOut animations:^{
        if (self.isExpanded) {
            // 展开状态：显示向上箭头（表示可以收起）
            [self.toggleButton setImage:[UIImage systemImageNamed:@"chevron.up.circle.fill"] forState:UIControlStateNormal];
            [self.contentViewHeightConstraint setOffset:expandedHeight];
        } else {
            // 收起状态：显示向下箭头（表示可以展开）
            [self.toggleButton setImage:[UIImage systemImageNamed:@"chevron.down.circle.fill"] forState:UIControlStateNormal];
            [self.contentViewHeightConstraint setOffset:collapsedHeight];
        }
        
        // 显示/隐藏内容（用 alpha 做淡入淡出效果）
        self.contentView.alpha = self.isExpanded ? 1.0 : 0.0;
        
        // 更新约束触发布局更新
        [self.superview layoutIfNeeded];
    } completion:nil];
    
    // 触觉反馈
    UIImpactFeedbackGenerator *feedback = [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleLight];
    [feedback impactOccurred];
}

@end