keyboard/CustomKeyboard/KeyboardViewController.m

//
//  KeyboardViewController.m
//  CustomKeyboard
//
//  Created by Mac on 2025/10/27.
//

#import "KeyboardViewController.h"
#import "KBKeyBoardMainView.h"

#import "KBKey.h"
#import "KBFunctionView.h"
#import "KBSettingView.h"
#import "Masonry.h"

static CGFloat KEYBOARDHEIGHT = 256 + 20;

@interface KeyboardViewController () <KBKeyBoardMainViewDelegate, KBFunctionViewDelegate>
@property (nonatomic, strong) UIButton *nextKeyboardButton; // 系统“下一个键盘”按钮（可选）
@property (nonatomic, strong) KBKeyBoardMainView *keyBoardMainView;   // 功能面板视图（点击工具栏第0个时显示）
@property (nonatomic, strong) KBFunctionView *functionView;   // 功能面板视图（点击工具栏第0个时显示）
@property (nonatomic, strong) KBSettingView *settingView;     // 设置页
@end

@implementation KeyboardViewController

{
    BOOL _kb_didTriggerLoginDeepLinkOnce;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setupUI];
}


- (void)setupUI {
    // 固定键盘整体高度
    [self.view.heightAnchor constraintEqualToConstant:KEYBOARDHEIGHT].active = YES;
    // 预置功能面板（默认隐藏），与键盘区域共享相同布局
    self.functionView.hidden = YES;
    [self.view addSubview:self.functionView];
    [self.functionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self.view);
        make.top.equalTo(self.view).offset(4);
        make.bottom.equalTo(self.view.mas_bottom).offset(-4);
    }];
    
    [self.view addSubview:self.keyBoardMainView];
    [self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self.view);
        make.top.equalTo(self.view).offset(4);
        make.bottom.equalTo(self.view.mas_bottom).offset(-4);
    }];
}



#pragma mark - Private

/// 切换显示功能面板/键盘主视图
- (void)showFunctionPanel:(BOOL)show {
    // 简单显隐切换，复用相同的布局区域
    self.functionView.hidden = !show;
    self.keyBoardMainView.hidden = show;
    
    // 可选：把当前显示的视图置顶，避免层级遮挡
    if (show) {
        [self.view bringSubviewToFront:self.functionView];
    } else {
        [self.view bringSubviewToFront:self.keyBoardMainView];
    }
}

/// 显示/隐藏设置页（高度与 keyBoardMainView 一致），右侧滑入/滑出
- (void)showSettingView:(BOOL)show {
    if (show) {
        //        if (!self.settingView) {
        self.settingView = [[KBSettingView alloc] init];
        self.settingView.hidden = YES;
        [self.view addSubview:self.settingView];
        [self.settingView mas_makeConstraints:^(MASConstraintMaker *make) {
            // 与键盘主视图完全等同的区域，保证高度、宽度一致
            make.edges.equalTo(self.keyBoardMainView);
        }];
        [self.settingView.backButton addTarget:self action:@selector(onTapSettingsBack) forControlEvents:UIControlEventTouchUpInside];
        //        }
        [self.view bringSubviewToFront:self.settingView];
        // 以 keyBoardMainView 的实际宽度为准，避免首次添加时 self.view 宽度尚未计算
        [self.view layoutIfNeeded];
        CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
        if (w <= 0) { w = CGRectGetWidth(self.view.bounds); }
        if (w <= 0) { w = [UIScreen mainScreen].bounds.size.width; }
        self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
        self.settingView.hidden = NO;
        [UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
            self.settingView.transform = CGAffineTransformIdentity;
        } completion:nil];
    } else {
        if (!self.settingView || self.settingView.hidden) return;
        CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
        if (w <= 0) { w = CGRectGetWidth(self.view.bounds); }
        if (w <= 0) { w = [UIScreen mainScreen].bounds.size.width; }
        [UIView animateWithDuration:0.22 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
            self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
        } completion:^(BOOL finished) {
            self.settingView.hidden = YES;
        }];
    }
}



// MARK: - KBKeyBoardMainViewDelegate
- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapKey:(KBKey *)key {
    switch (key.type) {
        case KBKeyTypeCharacter:
            [self.textDocumentProxy insertText:key.output ?: key.title ?: @""]; break;
        case KBKeyTypeBackspace:
            [self.textDocumentProxy deleteBackward]; break;
        case KBKeyTypeSpace:
            [self.textDocumentProxy insertText:@" "]; break;
        case KBKeyTypeReturn:
            [self.textDocumentProxy insertText:@"\n"]; break;
        case KBKeyTypeGlobe:
            [self advanceToNextInputMode]; break;
        case KBKeyTypeCustom:
            // 点击自定义键（如“AI”）切换到功能面板
            [self showFunctionPanel:YES];
            break;
        case KBKeyTypeModeChange:
        case KBKeyTypeShift:
            // 这些已在 KBKeyBoardMainView/KBKeyboardView 内部处理
            break;
    }
}

- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapToolActionAtIndex:(NSInteger)index {
    if (index == 0) {
        [self showFunctionPanel:YES];
    } else {
        [self showFunctionPanel:NO];
    }
}

- (void)keyBoardMainViewDidTapSettings:(KBKeyBoardMainView *)keyBoardMainView {
    [self showSettingView:YES];
}

// MARK: - KBFunctionViewDelegate
- (void)functionView:(KBFunctionView *)functionView didTapToolActionAtIndex:(NSInteger)index {
    // 需求：当 index == 0 时，切回键盘主视图
    if (index == 0) {
        [self showFunctionPanel:NO];
    }
}

#pragma mark - lazy
- (KBKeyBoardMainView *)keyBoardMainView{
    if (!_keyBoardMainView) {
        _keyBoardMainView = [[KBKeyBoardMainView alloc] init];
        _keyBoardMainView.delegate = self;
    }
    return _keyBoardMainView;
}

- (KBFunctionView *)functionView{
    if (!_functionView) {
        _functionView = [[KBFunctionView alloc] init];
        _functionView.delegate = self; // 监听功能面板顶部Bar点击
    }
    return _functionView;
}

- (KBSettingView *)settingView {
    if (!_settingView) {
        _settingView = [[KBSettingView alloc] init];
    }
    return _settingView;
}


#pragma mark - Actions

- (void)onTapSettingsBack {
    [self showSettingView:NO];
}


// 当键盘第一次显示时，尝试唤起主 App 以提示登录（由主 App 决定是否真的弹登录）。
- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    if (!_kb_didTriggerLoginDeepLinkOnce) {
        _kb_didTriggerLoginDeepLinkOnce = YES;
        [self kb_tryOpenContainerForLoginIfNeeded];
    }
}

- (void)kb_tryOpenContainerForLoginIfNeeded {
    NSURL *url = [NSURL URLWithString:@"kbkeyboard://login?src=keyboard"];
    if (!url) return;
    __weak typeof(self) weakSelf = self;
    [self.extensionContext openURL:url completionHandler:^(__unused BOOL success) {
        // 即使失败也不重复尝试；避免打扰。
        __unused typeof(weakSelf) selfStrong = weakSelf;
    }];
}
@end