//
//  SellyCallControlView.m
//  SellyCloudSDK_Example
//
//  Created by Caleb on 12/17/25.
//  Copyright © 2025 Caleb. All rights reserved.
//

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

@interface SellyCallControlView ()

@property (nonatomic, strong) UIButton *speakerButton;
@property (nonatomic, strong) UIButton *videoButton;
@property (nonatomic, strong) UIButton *switchCameraButton;
@property (nonatomic, strong) UIButton *muteButton;
@property (nonatomic, strong) UIButton *pipButton;
@property (nonatomic, strong) UIButton *screenShareButton;
@property (nonatomic, strong) UIButton *hangupButton;

@property (nonatomic, strong) UIStackView *mainStackView; // 主垂直容器
@property (nonatomic, strong) UIStackView *topButtonStackView; // 上排按钮
@property (nonatomic, strong) UIStackView *bottomButtonStackView; // 下排按钮

@end

@implementation SellyCallControlView

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self setupUI];
    }
    return self;
}

- (instancetype)initWithCoder:(NSCoder *)coder {
    self = [super initWithCoder:coder];
    if (self) {
        [self setupUI];
    }
    return self;
}

- (void)setupUI {
    // 设置透明背景
    self.backgroundColor = [UIColor clearColor];
    
    // 创建主垂直容器
    self.mainStackView = [[UIStackView alloc] init];
    self.mainStackView.axis = UILayoutConstraintAxisVertical;
    self.mainStackView.distribution = UIStackViewDistributionFillEqually;
    self.mainStackView.alignment = UIStackViewAlignmentFill;
    self.mainStackView.spacing = 10;
    [self addSubview:self.mainStackView];
    
    // 创建上排按钮容器
    self.topButtonStackView = [[UIStackView alloc] init];
    self.topButtonStackView.axis = UILayoutConstraintAxisHorizontal;
    self.topButtonStackView.distribution = UIStackViewDistributionEqualSpacing;
    self.topButtonStackView.alignment = UIStackViewAlignmentCenter;
    self.topButtonStackView.spacing = 0;
    
    // 创建下排按钮容器
    self.bottomButtonStackView = [[UIStackView alloc] init];
    self.bottomButtonStackView.axis = UILayoutConstraintAxisHorizontal;
    self.bottomButtonStackView.distribution = UIStackViewDistributionEqualSpacing;
    self.bottomButtonStackView.alignment = UIStackViewAlignmentCenter;
    self.bottomButtonStackView.spacing = 0;
    
    [self.mainStackView addArrangedSubview:self.topButtonStackView];
    [self.mainStackView addArrangedSubview:self.bottomButtonStackView];
    
    // 创建按钮
    self.speakerButton = [self createButtonWithImageName:@"speaker" title:@"扬声器" action:@selector(speakerButtonTapped:)];
    self.videoButton = [self createButtonWithImageName:@"video" title:@"视频" action:@selector(videoButtonTapped:)];
    self.switchCameraButton = [self createButtonWithImageName:@"switch_camera" title:@"切换" action:@selector(switchCameraButtonTapped:)];
    self.muteButton = [self createButtonWithImageName:@"microphone" title:@"静音" action:@selector(muteButtonTapped:)];
    self.pipButton = [self createButtonWithImageName:@"pip" title:@"画中画" action:@selector(pipButtonTapped:)];
    self.screenShareButton = [self createButtonWithImageName:@"screen_share" title:@"共享屏幕" action:@selector(screenShareButtonTapped:)];
    self.hangupButton = [self createButtonWithImageName:@"hangup" title:@"挂断" action:@selector(hangupButtonTapped:)];
    
    // 挂断按钮的图标背景设置为红色
    UIView *hangupIconBackground = [self.hangupButton viewWithTag:999];
    if (hangupIconBackground) {
        hangupIconBackground.backgroundColor = [UIColor colorWithRed:0.9 green:0.2 blue:0.2 alpha:1.0];
    }
    
    // 添加按钮到上排容器（4个按钮）
    [self.topButtonStackView addArrangedSubview:self.speakerButton];
    [self.topButtonStackView addArrangedSubview:self.videoButton];
    [self.topButtonStackView addArrangedSubview:self.switchCameraButton];
    [self.topButtonStackView addArrangedSubview:self.muteButton];
    
    // 添加按钮到下排容器（根据配置显示 PiP 或屏幕分享）
    // 默认不显示 PiP 和屏幕分享按钮，由外部控制
    self.pipButton.hidden = YES;
    self.screenShareButton.hidden = YES;
    [self.bottomButtonStackView addArrangedSubview:self.pipButton];
    [self.bottomButtonStackView addArrangedSubview:self.screenShareButton];
    [self.bottomButtonStackView addArrangedSubview:self.hangupButton];
    
    // 布局约束 - 使用 Masonry
    [self.mainStackView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self).offset(15);
        make.trailing.equalTo(self).offset(-15);
        make.top.equalTo(self).offset(10);
        make.bottom.equalTo(self).offset(-10);
    }];
    
    // 上排容器内边距（让按钮居中分布）
    [self.topButtonStackView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.mainStackView);
    }];
    
    // 下排容器内边距（让2个按钮合理分布，不要太分散）
    [self.bottomButtonStackView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.mainStackView);
        make.width.mas_lessThanOrEqualTo(self.mainStackView);
    }];
}

- (UIButton *)createButtonWithImageName:(NSString *)imageName title:(NSString *)title action:(SEL)action {
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    
    // 创建容器视图
    UIView *containerView = [[UIView alloc] init];
    containerView.userInteractionEnabled = NO;
    [button addSubview:containerView];
    
    // 图标背景
    UIView *iconBackground = [[UIView alloc] init];
    iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
    iconBackground.layer.cornerRadius = 26; // 52/2 = 26
    iconBackground.clipsToBounds = YES;
    iconBackground.userInteractionEnabled = NO;
    iconBackground.tag = 999; // 添加tag以便后续识别
    [containerView addSubview:iconBackground];
    
    // 使用系统图标
    UIImage *icon = [self systemImageForButtonName:imageName];
    UIImageView *imageView = [[UIImageView alloc] initWithImage:icon];
    imageView.contentMode = UIViewContentModeScaleAspectFit;
    imageView.tintColor = [UIColor whiteColor];
    imageView.userInteractionEnabled = NO;
    [iconBackground addSubview:imageView];
    
    // 标题标签
    UILabel *titleLabel = [[UILabel alloc] init];
    titleLabel.text = title;
    titleLabel.textColor = [UIColor whiteColor];
    titleLabel.font = [UIFont systemFontOfSize:12];
    titleLabel.textAlignment = NSTextAlignmentCenter;
    titleLabel.userInteractionEnabled = NO;
    [containerView addSubview:titleLabel];
    
    // 使用 Masonry 布局
    [containerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(button);
        make.width.mas_equalTo(70);
        make.height.mas_equalTo(90);
    }];
    
    [iconBackground mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(containerView);
        make.top.equalTo(containerView);
        make.width.height.mas_equalTo(52);
    }];
    
    [imageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(iconBackground);
        make.width.height.mas_equalTo(28);
    }];
    
    [titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(iconBackground.mas_bottom).offset(8);
        make.centerX.equalTo(containerView);
        make.leading.trailing.equalTo(containerView);
    }];
    
    [button addTarget:self action:action forControlEvents:UIControlEventTouchUpInside];
    
    // 设置按钮尺寸
    [button mas_makeConstraints:^(MASConstraintMaker *make) {
        make.width.mas_equalTo(70);
        make.height.mas_equalTo(90);
    }];
    
    return button;
}

- (UIImage *)systemImageForButtonName:(NSString *)name {
    NSString *systemName = @"questionmark.circle";
    
    if ([name isEqualToString:@"speaker"]) {
        systemName = @"speaker.wave.2.fill";
    } else if ([name isEqualToString:@"video"]) {
        systemName = @"video.fill";
    } else if ([name isEqualToString:@"switch_camera"]) {
        systemName = @"arrow.triangle.2.circlepath.camera.fill";
    } else if ([name isEqualToString:@"microphone"]) {
        systemName = @"mic.fill";
    } else if ([name isEqualToString:@"pip"]) {
        systemName = @"pip.fill";
    } else if ([name isEqualToString:@"screen_share"]) {
        systemName = @"rectangle.on.rectangle";
    } else if ([name isEqualToString:@"hangup"]) {
        systemName = @"phone.down.fill";
    }
    
    UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
    return [UIImage systemImageNamed:systemName withConfiguration:config];
}

#pragma mark - Button Actions

- (void)speakerButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionSpeaker];
    }
}

- (void)videoButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionVideo];
    }
}

- (void)switchCameraButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionSwitchCamera];
    }
}

- (void)muteButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionMute];
    }
}

- (void)hangupButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionHangup];
    }
}

- (void)pipButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionPiP];
    }
}

- (void)screenShareButtonTapped:(UIButton *)sender {
    if ([self.delegate respondsToSelector:@selector(callControlView:didTapAction:)]) {
        [self.delegate callControlView:self didTapAction:SellyCallControlActionScreenShare];
    }
}

#pragma mark - Public Methods

- (void)setShowPiPButton:(BOOL)showPiPButton {
    _showPiPButton = showPiPButton;
    self.pipButton.hidden = !showPiPButton;
}

- (void)setShowScreenShareButton:(BOOL)showScreenShareButton {
    _showScreenShareButton = showScreenShareButton;
    self.screenShareButton.hidden = !showScreenShareButton;
}

- (void)updateSpeakerEnabled:(BOOL)enabled {
    // 更新图标和背景
    UIView *iconBackground = self.speakerButton.subviews.firstObject.subviews.firstObject;
    if (enabled) {
        iconBackground.backgroundColor = [UIColor colorWithRed:0.2 green:0.5 blue:1.0 alpha:1.0];
        NSString *systemName = @"speaker.wave.2.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    } else {
        iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
        NSString *systemName = @"speaker.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    }
}

- (void)updateVideoEnabled:(BOOL)enabled {
    UIView *iconBackground = self.videoButton.subviews.firstObject.subviews.firstObject;
    if (enabled) {
        iconBackground.backgroundColor = [UIColor colorWithRed:0.2 green:0.5 blue:1.0 alpha:1.0];
        NSString *systemName = @"video.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    } else {
        iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
        NSString *systemName = @"video.slash.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    }
}

- (void)updateMuteEnabled:(BOOL)muted {
    UIView *iconBackground = self.muteButton.subviews.firstObject.subviews.firstObject;
    if (muted) {
        iconBackground.backgroundColor = [UIColor colorWithRed:0.9 green:0.2 blue:0.2 alpha:1.0];
        NSString *systemName = @"mic.slash.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    } else {
        iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
        NSString *systemName = @"mic.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    }
}

- (void)updatePiPEnabled:(BOOL)enabled {
    UIView *iconBackground = self.pipButton.subviews.firstObject.subviews.firstObject;
    if (enabled) {
        iconBackground.backgroundColor = [UIColor colorWithRed:0.2 green:0.5 blue:1.0 alpha:1.0];
        NSString *systemName = @"pip.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    } else {
        iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
        NSString *systemName = @"pip";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    }
}

- (void)updateScreenShareEnabled:(BOOL)enabled {
    UIView *iconBackground = self.screenShareButton.subviews.firstObject.subviews.firstObject;
    if (enabled) {
        iconBackground.backgroundColor = [UIColor colorWithRed:0.2 green:0.5 blue:1.0 alpha:1.0];
        NSString *systemName = @"rectangle.on.rectangle.fill";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    } else {
        iconBackground.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.2];
        NSString *systemName = @"rectangle.on.rectangle";
        UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:28 weight:UIImageSymbolWeightMedium scale:UIImageSymbolScaleMedium];
        UIImageView *imageView = (UIImageView *)iconBackground.subviews.firstObject;
        imageView.image = [UIImage systemImageNamed:systemName withConfiguration:config];
    }
}

@end