keyboard/keyBoard/Class/Me/VC/KBPersonInfoVC.m

//
//  KBPersonInfoVC.m
//  keyBoard
//
//  Created by Mac on 2025/11/11.
//  个人资料
//

#import "KBPersonInfoVC.h"
#import <Masonry/Masonry.h>
#import "KBPersonInfoItemCell.h"
#import <PhotosUI/PhotosUI.h>
#import "LSTPopView.h"
#import "KBChangeNicknamePopView.h"
#import "KBGenderPickerPopView.h"
#import "KBMyVM.h"
#import "KBAlert.h"
#import "KBCancelAccountVC.h"
#import "KBLocalizationManager.h"
#import "KBConfig.h"
#import "KBSkinInstallBridge.h"
#import "KBInputProfileManager.h"

static NSInteger const kKBPersonInfoRowNickname = 0;
static NSInteger const kKBPersonInfoRowGender   = 1;
static NSInteger const kKBPersonInfoRowLanguage = 2;
static NSInteger const kKBPersonInfoRowUserID   = 3;

typedef void(^KBInputProfileSelectHandler)(NSString *languageCode, NSString *layoutVariant, NSString *profileId);

@interface KBKeyboardLayoutSelectVC : BaseViewController <UITableViewDelegate, UITableViewDataSource>
@property (nonatomic, strong) BaseTableView *tableView;
@property (nonatomic, strong) UIButton *confirmButton;
@property (nonatomic, copy) NSDictionary *languageConfig;
@property (nonatomic, copy) NSString *selectedLayoutVariant;
@property (nonatomic, copy) NSString *selectedProfileId;
@property (nonatomic, copy) NSString *pendingLayoutVariant;
@property (nonatomic, copy) NSString *pendingProfileId;
@property (nonatomic, copy) KBInputProfileSelectHandler onSelect;
@end

@implementation KBKeyboardLayoutSelectVC

- (void)viewDidLoad {
    [super viewDidLoad];
    /// 1：控件初始化
    [self setupUI];
    /// 2：初始化选中态
    [self prepareDefaultSelection];
}

- (void)setupUI {
    self.kb_titleLabel.text = KBLocalized(@"Choose Layout");
    self.view.backgroundColor = [UIColor colorWithHex:0xF8F8F8];
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self.view);
        make.top.equalTo(self.view).offset(KB_NAV_TOTAL_HEIGHT + 10);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-72);
    }];
    [self.view addSubview:self.confirmButton];
    [self.confirmButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(16);
        make.right.equalTo(self.view).offset(-16);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-12);
        make.height.mas_equalTo(50);
    }];
}

- (void)prepareDefaultSelection {
    NSArray *layouts = [self.languageConfig[@"layouts"] isKindOfClass:NSArray.class] ? self.languageConfig[@"layouts"] : @[];
    NSDictionary *matched = nil;
    for (NSDictionary *layout in layouts) {
        NSString *variant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"";
        if (self.selectedLayoutVariant.length > 0 && [variant isEqualToString:self.selectedLayoutVariant]) {
            matched = layout;
            break;
        }
    }
    if (!matched) {
        matched = layouts.firstObject;
    }
    self.pendingLayoutVariant = [matched[@"variant"] isKindOfClass:NSString.class] ? matched[@"variant"] : @"";
    self.pendingProfileId = [matched[@"profileId"] isKindOfClass:NSString.class] ? matched[@"profileId"] : @"";
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    NSArray *layouts = [self.languageConfig[@"layouts"] isKindOfClass:NSArray.class] ? self.languageConfig[@"layouts"] : @[];
    return layouts.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 56.0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *cid = @"KBKeyboardLayoutCell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cid];
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cid];
        cell.textLabel.font = [KBFont medium:16];
        cell.detailTextLabel.font = [KBFont regular:12];
        cell.detailTextLabel.textColor = [UIColor colorWithHex:0x999999];
    }
    NSArray *layouts = [self.languageConfig[@"layouts"] isKindOfClass:NSArray.class] ? self.languageConfig[@"layouts"] : @[];
    NSDictionary *layout = (indexPath.row < layouts.count) ? layouts[indexPath.row] : @{};
    NSString *title = [layout[@"title"] isKindOfClass:NSString.class] ? layout[@"title"] : @"";
    NSString *variant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"";
    NSString *profileId = [layout[@"profileId"] isKindOfClass:NSString.class] ? layout[@"profileId"] : @"";
    cell.textLabel.text = title;
    cell.detailTextLabel.text = profileId;
    BOOL selected = (self.pendingLayoutVariant.length > 0 && [self.pendingLayoutVariant isEqualToString:variant]);
    cell.accessoryType = selected ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone;
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    NSArray *layouts = [self.languageConfig[@"layouts"] isKindOfClass:NSArray.class] ? self.languageConfig[@"layouts"] : @[];
    NSDictionary *layout = (indexPath.row < layouts.count) ? layouts[indexPath.row] : nil;
    if (![layout isKindOfClass:NSDictionary.class]) { return; }
    self.pendingLayoutVariant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"";
    self.pendingProfileId = [layout[@"profileId"] isKindOfClass:NSString.class] ? layout[@"profileId"] : @"";
    [self.tableView reloadData];
}

- (void)onTapConfirm {
    NSString *code = [self.languageConfig[@"code"] isKindOfClass:NSString.class] ? self.languageConfig[@"code"] : KBLanguageCodeEnglish;
    if (self.onSelect && code.length > 0 && self.pendingLayoutVariant.length > 0 && self.pendingProfileId.length > 0) {
        self.onSelect(code, self.pendingLayoutVariant, self.pendingProfileId);
    }
}

- (BaseTableView *)tableView {
    if (!_tableView) {
        _tableView = [[BaseTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.backgroundColor = UIColor.clearColor;
        _tableView.dataSource = self;
        _tableView.delegate = self;
        _tableView.separatorInset = UIEdgeInsetsMake(0, 16, 0, 16);
    }
    return _tableView;
}

- (UIButton *)confirmButton {
    if (!_confirmButton) {
        _confirmButton = [UIButton buttonWithType:UIButtonTypeSystem];
        [_confirmButton setTitle:KBLocalized(@"Confirm") forState:UIControlStateNormal];
        [_confirmButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
        _confirmButton.titleLabel.font = [KBFont medium:16];
        _confirmButton.backgroundColor = [UIColor colorWithHex:0x111111];
        _confirmButton.layer.cornerRadius = 12;
        _confirmButton.layer.masksToBounds = YES;
        [_confirmButton addTarget:self action:@selector(onTapConfirm) forControlEvents:UIControlEventTouchUpInside];
    }
    return _confirmButton;
}

@end

@interface KBKeyboardLanguageSelectVC : BaseViewController <UITableViewDelegate, UITableViewDataSource>
@property (nonatomic, strong) BaseTableView *tableView;
@property (nonatomic, strong) UIButton *confirmButton;
@property (nonatomic, copy) NSArray<NSDictionary *> *languageConfigs;
@property (nonatomic, copy) NSString *selectedLanguageCode;
@property (nonatomic, copy) NSString *selectedLayoutVariant;
@property (nonatomic, copy) NSString *pendingLanguageCode;
@property (nonatomic, copy) NSString *pendingLayoutVariant;
@property (nonatomic, copy) NSString *pendingProfileId;
@property (nonatomic, copy) KBInputProfileSelectHandler onSelect;
@end

@implementation KBKeyboardLanguageSelectVC

- (void)viewDidLoad {
    [super viewDidLoad];
    /// 1：控件初始化
    [self setupUI];
    /// 2：初始化选中态
    [self prepareDefaultSelection];
    [self updateConfirmVisibility];
}

- (void)setupUI {
    self.kb_titleLabel.text = KBLocalized(@"Input Language");
    self.view.backgroundColor = [UIColor colorWithHex:0xF8F8F8];
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.equalTo(self.view);
        make.top.equalTo(self.view).offset(KB_NAV_TOTAL_HEIGHT + 10);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-72);
    }];
    [self.view addSubview:self.confirmButton];
    [self.confirmButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(16);
        make.right.equalTo(self.view).offset(-16);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-12);
        make.height.mas_equalTo(50);
    }];
}

- (void)prepareDefaultSelection {
    NSDictionary *config = [self languageConfigForCode:self.selectedLanguageCode];
    if (!config) {
        config = self.languageConfigs.firstObject;
    }
    NSString *code = [config[@"code"] isKindOfClass:NSString.class] ? config[@"code"] : KBLanguageCodeEnglish;
    NSArray *layouts = [config[@"layouts"] isKindOfClass:NSArray.class] ? config[@"layouts"] : @[];
    NSDictionary *layoutMatched = nil;
    for (NSDictionary *layout in layouts) {
        NSString *variant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"";
        if (self.selectedLayoutVariant.length > 0 && [variant isEqualToString:self.selectedLayoutVariant]) {
            layoutMatched = layout;
            break;
        }
    }
    if (!layoutMatched) {
        layoutMatched = layouts.firstObject;
    }
    self.pendingLanguageCode = code;
    self.pendingLayoutVariant = [layoutMatched[@"variant"] isKindOfClass:NSString.class] ? layoutMatched[@"variant"] : @"qwerty";
    self.pendingProfileId = [layoutMatched[@"profileId"] isKindOfClass:NSString.class] ? layoutMatched[@"profileId"] : @"en_US_qwerty";
}

- (nullable NSDictionary *)languageConfigForCode:(NSString *)code {
    for (NSDictionary *item in self.languageConfigs) {
        NSString *langCode = [item[@"code"] isKindOfClass:NSString.class] ? item[@"code"] : @"";
        if ([langCode isEqualToString:code]) {
            return item;
        }
    }
    return nil;
}

- (void)updateConfirmVisibility {
    NSDictionary *config = [self languageConfigForCode:self.pendingLanguageCode];
    NSArray *layouts = [config[@"layouts"] isKindOfClass:NSArray.class] ? config[@"layouts"] : @[];
    BOOL hasMultiLayout = (layouts.count > 1);
    self.confirmButton.hidden = hasMultiLayout;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.languageConfigs.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 56.0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *cid = @"KBKeyboardLanguageCell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cid];
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cid];
        cell.textLabel.font = [KBFont medium:16];
        cell.detailTextLabel.font = [KBFont regular:12];
        cell.detailTextLabel.textColor = [UIColor colorWithHex:0x999999];
        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    }
    NSDictionary *lang = (indexPath.row < self.languageConfigs.count) ? self.languageConfigs[indexPath.row] : @{};
    NSString *name = [lang[@"name"] isKindOfClass:NSString.class] ? lang[@"name"] : @"";
    NSString *code = [lang[@"code"] isKindOfClass:NSString.class] ? lang[@"code"] : @"";
    NSArray *layouts = [lang[@"layouts"] isKindOfClass:NSArray.class] ? lang[@"layouts"] : @[];
    BOOL multi = layouts.count > 1;
    BOOL isSelected = (self.pendingLanguageCode.length > 0 && [self.pendingLanguageCode isEqualToString:code]);
    cell.textLabel.text = name;
    cell.detailTextLabel.text = multi ? KBLocalized(@"Multiple Keyboard Layouts") : @"QWERTY";
    cell.accessoryType = multi ? UITableViewCellAccessoryDisclosureIndicator : (isSelected ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone);
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    NSDictionary *lang = (indexPath.row < self.languageConfigs.count) ? self.languageConfigs[indexPath.row] : nil;
    if (![lang isKindOfClass:NSDictionary.class]) { return; }
    NSString *code = [lang[@"code"] isKindOfClass:NSString.class] ? lang[@"code"] : KBLanguageCodeEnglish;
    NSArray *layouts = [lang[@"layouts"] isKindOfClass:NSArray.class] ? lang[@"layouts"] : @[];
    if (layouts.count > 1) {
        self.pendingLanguageCode = code;
        [self updateConfirmVisibility];
        [self.tableView reloadData];
        KBKeyboardLayoutSelectVC *layoutVC = [[KBKeyboardLayoutSelectVC alloc] init];
        layoutVC.languageConfig = lang;
        layoutVC.selectedLayoutVariant = self.selectedLanguageCode.length > 0 && [self.selectedLanguageCode isEqualToString:code] ? self.selectedLayoutVariant : @"";
        __weak typeof(self) weakSelf = self;
        layoutVC.onSelect = ^(NSString *languageCode, NSString *layoutVariant, NSString *profileId) {
            weakSelf.pendingLanguageCode = languageCode;
            weakSelf.pendingLayoutVariant = layoutVariant;
            weakSelf.pendingProfileId = profileId;
            if (weakSelf.onSelect) {
                weakSelf.onSelect(languageCode, layoutVariant, profileId);
            }
        };
        [self.navigationController pushViewController:layoutVC animated:YES];
        return;
    }
    NSDictionary *layout = layouts.firstObject;
    self.pendingLanguageCode = code;
    self.pendingLayoutVariant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"qwerty";
    self.pendingProfileId = [layout[@"profileId"] isKindOfClass:NSString.class] ? layout[@"profileId"] : @"en_US_qwerty";
    [self updateConfirmVisibility];
    [self.tableView reloadData];
}

- (BaseTableView *)tableView {
    if (!_tableView) {
        _tableView = [[BaseTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.backgroundColor = UIColor.clearColor;
        _tableView.dataSource = self;
        _tableView.delegate = self;
        _tableView.separatorInset = UIEdgeInsetsMake(0, 16, 0, 16);
    }
    return _tableView;
}

- (void)onTapConfirm {
    if (self.confirmButton.hidden) {
        return;
    }
    if (self.onSelect && self.pendingLanguageCode.length > 0 && self.pendingLayoutVariant.length > 0 && self.pendingProfileId.length > 0) {
        self.onSelect(self.pendingLanguageCode, self.pendingLayoutVariant, self.pendingProfileId);
    }
}

- (UIButton *)confirmButton {
    if (!_confirmButton) {
        _confirmButton = [UIButton buttonWithType:UIButtonTypeSystem];
        [_confirmButton setTitle:KBLocalized(@"Confirm") forState:UIControlStateNormal];
        [_confirmButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
        _confirmButton.titleLabel.font = [KBFont medium:16];
        _confirmButton.backgroundColor = [UIColor colorWithHex:0x111111];
        _confirmButton.layer.cornerRadius = 12;
        _confirmButton.layer.masksToBounds = YES;
        [_confirmButton addTarget:self action:@selector(onTapConfirm) forControlEvents:UIControlEventTouchUpInside];
    }
    return _confirmButton;
}

@end

@interface KBPersonInfoVC () <UITableViewDelegate, UITableViewDataSource, PHPickerViewControllerDelegate, UINavigationControllerDelegate, UIImagePickerControllerDelegate>

// 列表
@property (nonatomic, strong) BaseTableView *tableView; // 懒加载

// 头像区（表头）
@property (nonatomic, strong) UIView *headerView;
@property (nonatomic, strong) UIImageView *avatarView;   // 头像
@property (nonatomic, strong) UIButton *editBadge;       // 头像右下角的小铅笔
@property (nonatomic, strong) UILabel *modifyLabel;      // “Modify” 文案
@property (nonatomic, strong) UILabel *userIdLabel;      // 用户 ID
@property (nonatomic, strong) UIButton *userIdCopyButton; // 复制用户 ID

// 底部退出登录按钮
@property (nonatomic, strong) UIButton *logoutBtn;

// 数据
@property (nonatomic, copy) NSArray<NSDictionary *> *items; // {title,value,arrow,copy}
// 压缩后的头像 JPEG 数据（可用于上传）
@property (nonatomic, strong) NSData *avatarJPEGData;

@property (nonatomic, strong) KBMyVM *myVM;
@property (nonatomic, strong) KBMyVM *viewModel;         // 我的页面 VM
@property (nonatomic, strong) KBUser *userModel;
@property (nonatomic, copy) NSString *selectedLanguageCode;
@property (nonatomic, copy) NSString *selectedLayoutVariant;
@property (nonatomic, copy) NSString *selectedProfileId;

@end

@implementation KBPersonInfoVC

- (void)viewDidLoad {
    [super viewDidLoad];
    /// 1：控件初始化
    [self setupUI];
    /// 2：恢复输入配置
    [self restoreInputProfile];
    /// 3：加载用户资料
    [self loadData];
    /// 4：监听语言变化
    [self bindNotifications];
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)setupUI {
    self.kb_titleLabel.text = KBLocalized(@"Settings"); // 导航标题
    self.kb_navView.backgroundColor = [UIColor clearColor];
    self.view.backgroundColor = [UIColor colorWithHex:0xF8F8F8];

    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.bottom.equalTo(self.view);
        make.top.equalTo(self.view).offset(KB_NAV_TOTAL_HEIGHT + 10);
    }];

    // 表头
    self.tableView.tableHeaderView = self.headerView;

    // 底部退出登录按钮
    [self.view addSubview:self.logoutBtn];
    [self.logoutBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(16);
        make.right.equalTo(self.view).offset(-16);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom).offset(-12);
        make.height.mas_equalTo(56);
    }];

    // 列表底部腾出空间，避免被按钮挡住
    UIEdgeInsets inset = self.tableView.contentInset;
    inset.bottom = 56 + 24; // 按钮高度 + 额外间距
    self.tableView.contentInset = inset;
}

- (void)loadData {
    self.viewModel = [[KBMyVM alloc] init];
    __weak typeof(self) weakSelf = self;
    [self.viewModel fetchUserDetailWithCompletion:^(KBUser * _Nullable user, NSError * _Nullable error) {
        if (user) {
            weakSelf.userModel = user;
            [weakSelf.avatarView kb_setAvatarURL:weakSelf.userModel.avatarUrl placeholder:KBAvatarPlaceholderImage];
            weakSelf.modifyLabel.text = weakSelf.userModel.nickName;
            weakSelf.userIdLabel.text = weakSelf.userModel.userId ?: @"";
        }
        [weakSelf rebuildItems];
    }];
}

- (void)bindNotifications {
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleLanguageChanged)
                                                 name:KBLocalizationDidChangeNotification
                                               object:nil];
}

- (void)handleLanguageChanged {
    self.kb_titleLabel.text = KBLocalized(@"Settings");
    [self.logoutBtn setTitle:KBLocalized(@"Log Out") forState:UIControlStateNormal];
    [self rebuildItems];
}

- (void)rebuildItems {
    NSString *nickname = self.userModel.nickName ?: @"";
    NSString *genderText = [self kb_genderDisplayText];
    NSString *languageText = [self currentInputProfileDisplayText];
    self.items = @[
        @{ @"title": KBLocalized(@"Nickname"), @"value": nickname, @"arrow": @YES, @"copy": @NO },
        @{ @"title": KBLocalized(@"Gender"), @"value": genderText, @"arrow": @YES, @"copy": @NO },
        @{ @"title": KBLocalized(@"Input Language"), @"value": languageText, @"arrow": @YES, @"copy": @NO },
    ];
    [self.tableView reloadData];
}


/// 根据 userModel.gender 生成展示用的性别文案（带多语言）
- (NSString *)kb_genderDisplayText {
    if (!self.userModel) {
        return KBLocalized(@"Choose");
    }
    switch (self.userModel.gender) {
        case UserSexMan:
            return KBLocalized(@"Male");
        case UserSexWeman:
            return KBLocalized(@"Female");
        case UserSexTwoSex:
            return KBLocalized(@"The Third Gender");
        default:
            return KBLocalized(@"Choose");
    }
}

- (void)restoreInputProfile {
    NSUserDefaults *shared = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
    NSString *savedCode = [shared stringForKey:AppGroup_SelectedKeyboardLanguageCode];
    NSString *savedVariant = [shared stringForKey:AppGroup_SelectedKeyboardLayoutVariant];
    NSString *savedProfile = [shared stringForKey:AppGroup_SelectedKeyboardProfileId];

    NSString *currentCode = [KBLocalizationManager shared].currentLanguageCode ?: KBLanguageCodeEnglish;
    NSDictionary *config = [self languageConfigForCode:(savedCode.length ? savedCode : currentCode)];
    if (!config) {
        config = [self languageConfigForCode:KBLanguageCodeEnglish];
    }

    NSArray *layouts = [config[@"layouts"] isKindOfClass:NSArray.class] ? config[@"layouts"] : @[];
    NSDictionary *layout = nil;
    for (NSDictionary *item in layouts) {
        NSString *variant = [item[@"variant"] isKindOfClass:NSString.class] ? item[@"variant"] : @"";
        if (savedVariant.length > 0 && [variant isEqualToString:savedVariant]) {
            layout = item;
            break;
        }
    }
    if (!layout) { layout = layouts.firstObject; }

    self.selectedLanguageCode = [config[@"code"] isKindOfClass:NSString.class] ? config[@"code"] : KBLanguageCodeEnglish;
    self.selectedLayoutVariant = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"qwerty";
    self.selectedProfileId = savedProfile.length > 0 ? savedProfile : ([layout[@"profileId"] isKindOfClass:NSString.class] ? layout[@"profileId"] : @"en_US_qwerty");
}

- (NSArray<NSDictionary *> *)languageConfigs {
    NSArray<KBInputProfile *> *profiles = [[KBInputProfileManager sharedManager] allProfiles];
    NSMutableArray<NSDictionary *> *configs = [NSMutableArray array];

    for (KBInputProfile *profile in profiles) {
        NSMutableArray<NSDictionary *> *layouts = [NSMutableArray array];
        for (KBInputProfileLayout *layout in profile.layouts) {
            [layouts addObject:@{
                @"variant": layout.variant,
                @"title": layout.title,
                @"profileId": layout.profileId
            }];
        }
        // STTODO  繁体拼音下个版本更新
        if ([profile.code isEqualToString:@"zh-Hant-Pinyin"]) {
//            NSLog(@"===");
            continue;
        }
        [configs addObject:@{
            @"code": profile.code,
            @"name": profile.name,
            @"layouts": [layouts copy]
        }];
    }

    return [configs copy];
}

- (nullable NSDictionary *)languageConfigForCode:(NSString *)languageCode {
    for (NSDictionary *item in [self languageConfigs]) {
        NSString *code = [item[@"code"] isKindOfClass:NSString.class] ? item[@"code"] : @"";
        if ([code isEqualToString:languageCode]) {
            return item;
        }
    }
    return nil;
}

- (NSString *)layoutTitleForLanguageCode:(NSString *)languageCode variant:(NSString *)variant {
    NSDictionary *config = [self languageConfigForCode:languageCode];
    NSArray *layouts = [config[@"layouts"] isKindOfClass:NSArray.class] ? config[@"layouts"] : @[];
    for (NSDictionary *layout in layouts) {
        NSString *v = [layout[@"variant"] isKindOfClass:NSString.class] ? layout[@"variant"] : @"";
        if ([v isEqualToString:variant]) {
            return [layout[@"title"] isKindOfClass:NSString.class] ? layout[@"title"] : @"";
        }
    }
    return @"";
}

- (NSString *)currentInputProfileDisplayText {
    NSDictionary *config = [self languageConfigForCode:self.selectedLanguageCode ?: KBLanguageCodeEnglish];
    NSString *languageName = [config[@"name"] isKindOfClass:NSString.class] ? config[@"name"] : @"English";
    if ([self.selectedLanguageCode isEqualToString:KBLanguageCodeSpanish]) {
        languageName = @"Español";
    }
    NSString *layoutTitle = [self layoutTitleForLanguageCode:self.selectedLanguageCode variant:self.selectedLayoutVariant];
    if (layoutTitle.length == 0) {
        return languageName;
    }
    NSString *variant = self.selectedLayoutVariant ?: @"";
    if ([variant.lowercaseString isEqualToString:@"qwerty"] ||
        [layoutTitle.lowercaseString isEqualToString:@"qwerty"]) {
        return languageName;
    }
    return [NSString stringWithFormat:@"%@ · %@", languageName, layoutTitle];
}

- (void)openLanguageSelector {
    KBKeyboardLanguageSelectVC *vc = [[KBKeyboardLanguageSelectVC alloc] init];
    vc.languageConfigs = [self languageConfigs];
    vc.selectedLanguageCode = self.selectedLanguageCode ?: KBLanguageCodeEnglish;
    vc.selectedLayoutVariant = self.selectedLayoutVariant ?: @"qwerty";
    __weak typeof(self) weakSelf = self;
    vc.onSelect = ^(NSString *languageCode, NSString *layoutVariant, NSString *profileId) {
        [weakSelf applyInputProfileWithLanguageCode:languageCode
                                      layoutVariant:layoutVariant
                                          profileId:profileId
                                         completion:^(BOOL success) {
            if (success) {
                [weakSelf.navigationController popToViewController:weakSelf animated:YES];
            }
        }];
    };
    [self.navigationController pushViewController:vc animated:YES];
}

- (void)applyInputProfileWithLanguageCode:(NSString *)languageCode
                            layoutVariant:(NSString *)layoutVariant
                                profileId:(NSString *)profileId
                               completion:(void(^ _Nullable)(BOOL success))completion {
    if (languageCode.length == 0 || layoutVariant.length == 0 || profileId.length == 0) {
        if (completion) { completion(NO); }
        return;
    }

    KBInputProfile *profile = [[KBInputProfileManager sharedManager] profileForLanguageCode:languageCode];
    NSString *zipName = profile.defaultSkinZip;
    
    if (zipName.length == 0) {
        NSLog(@"[KBPersonInfoVC] No defaultSkinZip configured for %@, skipping skin installation", languageCode);
        [self commitInputProfileSwitchWithLanguageCode:languageCode
                                         layoutVariant:layoutVariant
                                             profileId:profileId];
        if (completion) { completion(YES); }
        return;
    }

    __weak typeof(self) weakSelf = self;
    [self installDefaultSkinForLanguageCode:languageCode completion:^(BOOL skinOK) {
        if (!skinOK) {
            [KBHUD showInfo:KBLocalized(@"Default skin install failed. Please check skin resource configuration.")];
            if (completion) { completion(NO); }
            return;
        }
        [weakSelf commitInputProfileSwitchWithLanguageCode:languageCode
                                             layoutVariant:layoutVariant
                                                 profileId:profileId];
        if (completion) { completion(YES); }
    }];
}

- (void)commitInputProfileSwitchWithLanguageCode:(NSString *)languageCode
                                    layoutVariant:(NSString *)layoutVariant
                                        profileId:(NSString *)profileId {
    self.selectedLanguageCode = languageCode;
    self.selectedLayoutVariant = layoutVariant;
    self.selectedProfileId = profileId;
    [self rebuildItems];

    NSUserDefaults *shared = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
    [shared setObject:languageCode forKey:AppGroup_SelectedKeyboardLanguageCode];
    [shared setObject:layoutVariant forKey:AppGroup_SelectedKeyboardLayoutVariant];
    [shared setObject:profileId forKey:AppGroup_SelectedKeyboardProfileId];
    [shared setBool:YES forKey:AppGroup_DidUserSelectKeyboardProfile];
    [shared synchronize];

    [[KBLocalizationManager shared] setCurrentLanguageCode:languageCode persist:YES];

    NSString *message = KBLocalized(@"Changing language will reload the Home screen.");
    [KBHUD showInfo:message];
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.35 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        id<UIApplicationDelegate> appDelegate = UIApplication.sharedApplication.delegate;
        if ([appDelegate respondsToSelector:@selector(setupRootVC)]) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
            [appDelegate performSelector:@selector(setupRootVC)];
#pragma clang diagnostic pop
        }
    });
}

- (void)installDefaultSkinForLanguageCode:(NSString *)languageCode completion:(void(^)(BOOL success))completion {
    KBInputProfile *profile = [[KBInputProfileManager sharedManager] profileForLanguageCode:languageCode];
    NSString *zipName = profile.defaultSkinZip;
    if (zipName.length == 0) {
        if (completion) { completion(NO); }
        return;
    }

    NSString *skinId = [NSString stringWithFormat:@"bundle_skin_default_%@", languageCode];
    NSDictionary<NSString *, NSString *> *iconShortNames = [KBSkinInstallBridge iconShortNamesForLanguageCode:languageCode];
    NSLog(@"[KBPersonInfoVC] Installing skin %@ with %lu icon mappings for language %@", skinId, (unsigned long)iconShortNames.count, languageCode);
    
    [KBSkinInstallBridge publishBundleSkinRequestWithId:skinId
                                                  name:skinId
                                               zipName:zipName
                                        iconShortNames:iconShortNames];
    [KBSkinInstallBridge consumePendingRequestFromBundle:NSBundle.mainBundle
                                              completion:^(BOOL success, NSError * _Nullable error) {
        if (!success && error) {
            NSLog(@"[KBPersonInfoVC] default skin install failed: %@", error);
        } else if (success) {
            NSLog(@"[KBPersonInfoVC] default skin installed: %@", skinId);
        }
        if (completion) { completion(success); }
    }];
}

#pragma mark - UITableView

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 2; }
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return section == 0 ? self.items.count : 1;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 56.0;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
    return section == 0 ? 12.0 : 15.0;
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section { return [UIView new]; }
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section { return 0.01; }

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *cid = @"KBPersonInfoItemCell";
    KBPersonInfoItemCell *cell = [tableView dequeueReusableCellWithIdentifier:cid];
    if (!cell) { cell = [[KBPersonInfoItemCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cid]; }

    if (indexPath.section == 0) {
        NSDictionary *it = self.items[indexPath.row];
        BOOL isTop = (indexPath.row == 0);
        BOOL isBottom = (indexPath.row == self.items.count - 1);
        [cell configWithTitle:it[@"title"]
                        value:it[@"value"]
                    showArrow:[it[@"arrow"] boolValue]
                     showCopy:[it[@"copy"] boolValue]
                        isTop:isTop
                     isBottom:isBottom];
    } else {
        [cell configWithTitle:KBLocalized(@"Cancel Account")
                        value:@""
                    showArrow:YES
                     showCopy:NO
                        isTop:YES
                     isBottom:YES];
    }
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == 1) {
        KBCancelAccountVC *vc = [[KBCancelAccountVC alloc] init];
        [self.navigationController pushViewController:vc animated:YES];
        return;
    }
    if (indexPath.row == kKBPersonInfoRowNickname) {
        // 昵称编辑 -> 弹窗
        CGFloat width = KB_SCREEN_WIDTH;
        KBChangeNicknamePopView *content = [[KBChangeNicknamePopView alloc] initWithFrame:CGRectMake(0, 0, width, 230)];
        content.prefillNickname = self.items.firstObject[@"value"] ?: @"";

        LSTPopView *pop = [LSTPopView initWithCustomView:content
                                              parentView:self.view
                                                popStyle:LSTPopStyleSmoothFromBottom
                                            dismissStyle:LSTDismissStyleSmoothToBottom];
        pop.bgColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
        pop.hemStyle = LSTHemStyleBottom; // 居中
        pop.isClickBgDismiss = YES;       // 点击背景关闭
        pop.isAvoidKeyboard = YES;        // 规避键盘
        pop.avoidKeyboardSpace = 10;

        __weak typeof(self) weakSelf = self;
        __weak typeof(pop) weakPop = pop;
        content.closeHandler = ^{ [weakPop dismiss]; };
        content.saveHandler = ^(NSString *nickname) {
            if (nickname.length > 0) {
                // 更新本地模型，避免返回再进入还是旧数据
                weakSelf.userModel.nickName = nickname;
                weakSelf.modifyLabel.text = nickname;
                [weakSelf rebuildItems];

                // 将修改后的用户信息同步到服务端
                [weakSelf.myVM updateUserInfo:weakSelf.userModel completion:^(BOOL success, NSError * _Nullable error) {
                    if (error) {
                        [KBHUD showError:error.localizedDescription ?: KBLocalized(@"Network error")];
                    }
                }];
            }
            [weakPop dismiss];
        };

        [pop pop];
//        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.15 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [content focusInput]; });
    } else if (indexPath.row == kKBPersonInfoRowGender) {
        // 性别选择 -> 弹窗（性别文案支持多语言）
        NSArray *genders = @[
            @{@"id":@"1",@"name":KBLocalized(@"Male")},
            @{@"id":@"2",@"name":KBLocalized(@"Female")},
            @{@"id":@"3",@"name":KBLocalized(@"The Third Gender")},
        ];
        CGFloat width = KB_SCREEN_WIDTH;
        KBGenderPickerPopView *content = [[KBGenderPickerPopView alloc] initWithFrame:CGRectMake(0, 0, width, 300)];
        content.items = genders;
        // 取当前展示值对应的 id（如果有的话）
        NSString *curName = self.items[kKBPersonInfoRowGender][@"value"];
        NSString *selId = nil;
        for (NSDictionary *d in genders) { if ([d[@"name"] isEqualToString:curName]) { selId = d[@"id"]; break; } }
        content.selectedId = selId;

        LSTPopView *pop = [LSTPopView initWithCustomView:content
                                              parentView:nil
                                                popStyle:LSTPopStyleSmoothFromBottom
                                            dismissStyle:LSTDismissStyleSmoothToBottom];
        pop.bgColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
        pop.hemStyle = LSTHemStyleBottom;
        pop.isClickBgDismiss = YES;

        __weak typeof(self) weakSelf = self; __weak typeof(pop) weakPop = pop;
        content.closeHandler = ^{ [weakPop dismiss]; };
        content.saveHandler = ^(NSDictionary *selected) {
            NSString *name = selected[@"name"] ?: @"";
            // 将选择结果同步到本地缓存，供后续登录接口使用
            NSString *genderId = selected[@"id"];
            NSInteger genderValue = 0;
            if ([genderId isKindOfClass:NSString.class]) {
                NSInteger v = [genderId integerValue];
                // 后端/模型使用 0/1/2，对应弹窗里的 1/2/3
                if (v >= 1 && v <= 3) {
                    genderValue = v - 1;
                }
            }
            [[NSUserDefaults standardUserDefaults] setInteger:genderValue forKey:KBSexSelectedGenderKey];
            [[NSUserDefaults standardUserDefaults] synchronize];

            // 同步更新本地 userModel，避免再次进入页面还是旧的性别
            weakSelf.userModel.gender = (UserSex)genderValue;
            [weakSelf rebuildItems];

            // 将修改后的用户信息同步到服务端
            [weakSelf.myVM updateUserInfo:weakSelf.userModel completion:^(BOOL success, NSError * _Nullable error) {
                if (error) {
                    [KBHUD showError:error.localizedDescription ?: KBLocalized(@"Network error")];
                }
            }];

            [weakPop dismiss];
        };

        [pop pop];
    } else if (indexPath.row == kKBPersonInfoRowLanguage) {
        [self openLanguageSelector];
    } else if (indexPath.row == kKBPersonInfoRowUserID) {
        NSString *userID = self.items[kKBPersonInfoRowUserID][@"value"];
        if (userID.length == 0) return;
        UIPasteboard.generalPasteboard.string = userID;
        [KBHUD showInfo:KBLocalized(@"Copy Success")];
    }
}

#pragma mark - Actions

- (void)onTapAvatarEdit {
    [[KBMaiPointReporter sharedReporter] reportClickWithEventName:@"click_person_avatar_edit"
                                                          pageId:@"person_info"
                                                       elementId:@"avatar_edit"
                                                           extra:nil
                                                      completion:nil];
    [self presentImagePicker];
}

- (void)onTapLogout {
    [[KBMaiPointReporter sharedReporter] reportClickWithEventName:@"click_person_logout_btn"
                                                          pageId:@"person_info"
                                                       elementId:@"logout_btn"
                                                           extra:nil
                                                      completion:nil];
    [self.myVM logout];
}

- (void)onTapUserIdCopy {
    NSString *userId = self.userModel.userId ?: @"";
    if (userId.length == 0) { return; }
    UIPasteboard.generalPasteboard.string = userId;
    [KBHUD showInfo:KBLocalized(@"Copied")];
}

#pragma mark - Lazy UI（懒加载）

- (UITableView *)tableView {
    if (!_tableView) {
        // 使用 Plain，自行实现卡片留白与圆角，更贴近设计图
        _tableView = [[BaseTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.backgroundColor = UIColor.clearColor;
        _tableView.showsVerticalScrollIndicator = NO;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone; // 自定义分割
        _tableView.dataSource = self; _tableView.delegate = self;
        _tableView.contentInset = UIEdgeInsetsMake(8, 0, 16, 0);
    }
    return _tableView;
}

- (UIView *)headerView {
    if (!_headerView) {
        CGFloat w = UIScreen.mainScreen.bounds.size.width;
        UIView *hv = [[UIView alloc] initWithFrame:CGRectMake(0, 0, w, 200)];
        hv.backgroundColor = UIColor.clearColor;

        [hv addSubview:self.avatarView];
        [hv addSubview:self.editBadge];
        [hv addSubview:self.modifyLabel];
        [hv addSubview:self.userIdLabel];
        [hv addSubview:self.userIdCopyButton];

        [self.avatarView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(hv);
            make.top.equalTo(hv).offset(12);
            make.width.height.mas_equalTo(96);
        }];
        [self.editBadge mas_makeConstraints:^(MASConstraintMaker *make) {
            make.width.height.mas_equalTo(24);
            make.centerX.equalTo(self.avatarView.mas_right).offset(-15);
            make.centerY.equalTo(self.avatarView.mas_bottom).offset(-15);
        }];
        [self.modifyLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.avatarView.mas_bottom).offset(10);
            make.centerX.equalTo(hv);
        }];
        [self.userIdLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.modifyLabel.mas_bottom).offset(10);
            make.centerX.equalTo(hv).offset(-KBFit(12.0));
        }];
        [self.userIdCopyButton mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerY.equalTo(self.userIdLabel);
            make.left.equalTo(self.userIdLabel.mas_right).offset(6);
            make.width.height.mas_equalTo(18);
        }];

        // 头像可点击：弹系统相册
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onTapAvatarEdit)];
        [self.avatarView addGestureRecognizer:tap];

        _headerView = hv;
    }
    return _headerView;
}

- (UIImageView *)avatarView {
    if (!_avatarView) {
        _avatarView = [[UIImageView alloc] init];
        _avatarView.backgroundColor = [UIColor colorWithWhite:0.95 alpha:1.0];
        _avatarView.layer.cornerRadius = 48; _avatarView.layer.masksToBounds = YES;
        // 外白描边
        _avatarView.layer.borderWidth = 3.0; _avatarView.layer.borderColor = UIColor.whiteColor.CGColor;
        // 占位图
        UIGraphicsBeginImageContextWithOptions(CGSizeMake(96, 96), NO, 0);
        CGContextRef ctx = UIGraphicsGetCurrentContext();
        [[UIColor colorWithRed:0.86 green:0.95 blue:0.90 alpha:1] setFill];
        CGContextFillEllipseInRect(ctx, CGRectMake(0, 0, 96, 96));
        UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();
        _avatarView.image = img;
        _avatarView.userInteractionEnabled = YES;
    }
    return _avatarView;
}

- (UIButton *)editBadge {
    if (!_editBadge) {
        _editBadge = [UIButton buttonWithType:UIButtonTypeCustom];
        _editBadge.layer.cornerRadius = 12; _editBadge.layer.masksToBounds = YES;
        UIImage *img = [UIImage imageNamed:@"myperson_edit_icon"];
        [_editBadge setImage:img forState:UIControlStateNormal];
        [_editBadge addTarget:self action:@selector(onTapAvatarEdit) forControlEvents:UIControlEventTouchUpInside];
    }
    return _editBadge;
}

- (UILabel *)modifyLabel {
    if (!_modifyLabel) {
        _modifyLabel = [UILabel new];
        _modifyLabel.text = @"Modify";
        _modifyLabel.textColor = [UIColor colorWithHex:KBBlackValue];
        _modifyLabel.font = [KBFont bold:18];
    }
    return _modifyLabel;
}

- (UILabel *)userIdLabel {
    if (!_userIdLabel) {
        _userIdLabel = [UILabel new];
        _userIdLabel.textColor = [UIColor colorWithHex:0x9B9B9B];
        _userIdLabel.font = [KBFont regular:12];
    }
    return _userIdLabel;
}

- (UIButton *)userIdCopyButton {
    if (!_userIdCopyButton) {
        _userIdCopyButton = [UIButton buttonWithType:UIButtonTypeCustom];
        if (@available(iOS 13.0, *)) {
            UIImage *image = [UIImage systemImageNamed:@"doc.on.doc"];
            if (image) {
                [_userIdCopyButton setImage:image forState:UIControlStateNormal];
                _userIdCopyButton.tintColor = [UIColor colorWithHex:KBBlackValue];
            }
        }
        if (!_userIdCopyButton.currentImage) {
            [_userIdCopyButton setTitle:KBLocalized(@"Copy") forState:UIControlStateNormal];
            [_userIdCopyButton setTitleColor:[UIColor colorWithHex:KBBlackValue] forState:UIControlStateNormal];
            _userIdCopyButton.titleLabel.font = [KBFont regular:12];
        }
        [_userIdCopyButton addTarget:self action:@selector(onTapUserIdCopy) forControlEvents:UIControlEventTouchUpInside];
    }
    return _userIdCopyButton;
}

- (UIButton *)logoutBtn {
    if (!_logoutBtn) {
        _logoutBtn = [UIButton buttonWithType:UIButtonTypeSystem];
        [_logoutBtn setTitle:KBLocalized(@"Log Out") forState:UIControlStateNormal];
        [_logoutBtn setTitleColor:[UIColor colorWithHex:0xFF0000] forState:UIControlStateNormal];
        _logoutBtn.titleLabel.font = [KBFont medium:16];
        _logoutBtn.backgroundColor = UIColor.whiteColor;
        _logoutBtn.layer.cornerRadius = 12; _logoutBtn.layer.masksToBounds = YES;
        [_logoutBtn addTarget:self action:@selector(onTapLogout) forControlEvents:UIControlEventTouchUpInside];
    }
    return _logoutBtn;
}

#pragma mark - Image Picker

- (void)presentImagePicker {
    if (@available(iOS 14.0, *)) {
        PHPickerConfiguration *config = [[PHPickerConfiguration alloc] init];
        config.selectionLimit = 1; // 只选一张
        config.filter = [PHPickerFilter imagesFilter];
        PHPickerViewController *picker = [[PHPickerViewController alloc] initWithConfiguration:config];
        picker.delegate = self;
        [self presentViewController:picker animated:YES completion:nil];
    } else {
        UIImagePickerController *picker = [[UIImagePickerController alloc] init];
        picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
        picker.delegate = self;
        [self presentViewController:picker animated:YES completion:nil];
    }
}

#pragma mark - PHPickerViewControllerDelegate

- (void)picker:(PHPickerViewController *)picker didFinishPicking:(NSArray<PHPickerResult *> *)results API_AVAILABLE(ios(14.0)) {
    [picker dismissViewControllerAnimated:YES completion:nil];

    PHPickerResult *first = results.firstObject;
    if (!first) return;

    NSItemProvider *p = first.itemProvider;
    if ([p canLoadObjectOfClass:UIImage.class]) {
        __weak typeof(self) weakSelf = self;
        [p loadObjectOfClass:UIImage.class completionHandler:^(__kindof id<NSItemProviderReading>  _Nullable object, NSError * _Nullable error) {
            UIImage *img = ([object isKindOfClass:UIImage.class] ? (UIImage *)object : nil);
            if (!img) return;
            NSUInteger targetKB = 50;
            NSData *compressedData = [weakSelf kb_compressImage:img targetKB:targetKB];
            if (!compressedData) return;
            UIImage *compressedImage = [UIImage imageWithData:compressedData];
            dispatch_async(dispatch_get_main_queue(), ^{
                [weakSelf.myVM upLoadAvatarWithData:compressedData completion:^(BOOL success, NSError * _Nullable error) {
                    if (error) {
                        [KBHUD showError:error.localizedDescription];
                        return;
                    }
                    dispatch_async(dispatch_get_main_queue(), ^{
                       weakSelf.avatarView.image = compressedImage;
                    });

                }];
                
            });
        }];
    }
}

#pragma mark - UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<UIImagePickerControllerInfoKey,id> *)info {
    UIImage *img = info[UIImagePickerControllerEditedImage] ?: info[UIImagePickerControllerOriginalImage];
    if (img) {
        UIImage *compressed = [self kb_compressImage:img maxPixel:512 quality:0.85];
        self.avatarView.image = compressed;
        self.avatarJPEGData = UIImageJPEGRepresentation(compressed, 0.85);
    }
    [picker dismissViewControllerAnimated:YES completion:nil];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [picker dismissViewControllerAnimated:YES completion:nil];
}

/// 压缩图片：最长边不超过 maxPixel，输出近似 quality 的 JPEG
- (UIImage *)kb_compressImage:(UIImage *)image maxPixel:(CGFloat)maxPixel quality:(CGFloat)quality {
    if (!image) return nil;
    maxPixel = MAX(64, maxPixel);
    CGSize size = image.size;
    CGFloat maxSide = MAX(size.width, size.height);
    CGSize target = size;
    if (maxSide > maxPixel) {
        CGFloat scale = maxPixel / maxSide;
        target = CGSizeMake(floor(size.width * scale), floor(size.height * scale));
    }
    UIGraphicsBeginImageContextWithOptions(target, YES, 1.0);
    [image drawInRect:CGRectMake(0, 0, target.width, target.height)];
    UIImage *scaled = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    NSData *jpeg = UIImageJPEGRepresentation(scaled ?: image, MIN(MAX(quality, 0.2), 0.95));
    UIImage *result = [UIImage imageWithData:jpeg] ?: scaled ?: image;
    return result;
}
/// 按目标大小（KB）压缩图片：
/// 1. 先逐步降低 JPEG 质量；
/// 2. 如果质量已经降到下限仍然太大，再按比例缩小尺寸，并重复尝试。
- (nullable NSData *)kb_compressImage:(UIImage *)image targetKB:(NSUInteger)targetKB {
    if (!image || targetKB == 0) { return nil; }

    NSUInteger maxBytes = targetKB * 1024;

    // 初始质量参数
    CGFloat compression = 0.9f;
    CGFloat minCompression = 0.1f;   // 不建议再低了，太低会糊
    NSData *data = UIImageJPEGRepresentation(image, compression);
    if (!data) return nil;

    // 如果一开始就小于目标大小，直接返回
    if (data.length <= maxBytes) {
        return data;
    }

    // 1) 先通过降低质量来压缩
    while (data.length > maxBytes && compression > minCompression + 0.01f) {
        compression -= 0.1f;
        data = UIImageJPEGRepresentation(image, compression);
        if (!data) return nil;
    }

    if (data.length <= maxBytes) {
        return data;
    }

    // 2) 质量降到下限还是太大 -> 等比缩放尺寸
    UIImage *currentImage = image;

    // 防止死循环，限定最多缩放几次
    NSInteger maxResizeCount = 6;
    NSInteger resizeCount = 0;

    while (data.length > maxBytes && resizeCount < maxResizeCount) {
        resizeCount++;

        // 按面积比例来算缩放因子：新的面积约等于 (maxBytes / 当前字节数) * 原面积
        CGFloat ratio = (CGFloat)maxBytes / (CGFloat)data.length;
        // 为了更激进一点，可以乘个经验系数，比如 0.8
        ratio *= 0.8f;
        if (ratio <= 0.0f) {
            ratio = 0.5f; // 兜底，至少缩小一半
        }

        CGFloat scale = sqrt(ratio);
        if (scale >= 1.0f) {
            scale = 0.5f; // 理论上不会走到这里，兜底
        }

        CGSize newSize = CGSizeMake(currentImage.size.width * scale,
                                    currentImage.size.height * scale);
        if (newSize.width < 10 || newSize.height < 10) {
            // 太小就没意义了，直接 break，返回目前能做到的最小值
            break;
        }

        // 绘制缩小后的图片
        UIGraphicsBeginImageContextWithOptions(newSize, NO, currentImage.scale);
        [currentImage drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
        UIImage *resizedImage = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();

        if (!resizedImage) {
            break;
        }

        currentImage = resizedImage;

        // 每次尺寸缩小之后，再重新从稍高一点的质量开始压一轮
        compression = 0.9f;
        data = UIImageJPEGRepresentation(currentImage, compression);
        if (!data) return nil;

        // 再次在质量范围内往下压
        while (data.length > maxBytes && compression > minCompression + 0.01f) {
            compression -= 0.1f;
            data = UIImageJPEGRepresentation(currentImage, compression);
            if (!data) return nil;
        }
    }

    // 最终返回当前能做到的最小数据（可能略大于目标，但已经尽力）
    return data;
}


- (KBMyVM *)myVM{
    if (!_myVM) {
        _myVM = [[KBMyVM alloc] init];
    }
    return _myVM;
}

@end