//
//  AIReportVC.m
//  keyBoard
//
//  Created by Mac on 2026/1/29.
//

#import "AIReportVC.h"
#import "AiVM.h"

#pragma mark - AIReportOptionCell

@interface AIReportOptionCell : UITableViewCell

@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UIButton *selectButton;
@property (nonatomic, assign) BOOL isSelectedOption;

@end

@implementation AIReportOptionCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        self.backgroundColor = [UIColor clearColor];
        self.selectionStyle = UITableViewCellSelectionStyleNone;
        [self setupUI];
    }
    return self;
}

- (void)setupUI {
    [self.contentView addSubview:self.titleLabel];
    [self.contentView addSubview:self.selectButton];
    
    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(16);
        make.centerY.equalTo(self.contentView);
        make.right.lessThanOrEqualTo(self.selectButton.mas_left).offset(-10);
    }];
    
    [self.selectButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.contentView).offset(-16);
        make.centerY.equalTo(self.contentView);
        make.width.height.mas_equalTo(24);
    }];
}

- (void)setIsSelectedOption:(BOOL)isSelectedOption {
    _isSelectedOption = isSelectedOption;
    self.selectButton.selected = isSelectedOption;
}

- (UILabel *)titleLabel {
    if (!_titleLabel) {
        _titleLabel = [[UILabel alloc] init];
        _titleLabel.font = [UIFont systemFontOfSize:14];
        _titleLabel.textColor = [UIColor colorWithRed:0.1 green:0.1 blue:0.1 alpha:1.0];
    }
    return _titleLabel;
}

- (UIButton *)selectButton {
    if (!_selectButton) {
        _selectButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_selectButton setImage:[UIImage imageNamed:@"report_nor_icon"] forState:UIControlStateNormal];
        [_selectButton setImage:[UIImage imageNamed:@"report_sel_icon"] forState:UIControlStateSelected];
        _selectButton.userInteractionEnabled = NO;
    }
    return _selectButton;
}

@end

#pragma mark - AIReportVC

@interface AIReportVC () <UITableViewDelegate, UITableViewDataSource, UITextViewDelegate>

/// 滚动容器
@property (nonatomic, strong) UIScrollView *scrollView;
/// 内容容器
@property (nonatomic, strong) UIView *contentView;

/// 举报原因卡片
@property (nonatomic, strong) UIView *reasonCardView;
/// 举报原因标题
@property (nonatomic, strong) UILabel *reasonTitleLabel;
/// 举报原因列表
@property (nonatomic, strong) UITableView *reasonTableView;
/// 举报原因数据
@property (nonatomic, strong) NSArray<NSString *> *reportReasons;
/// 选中的举报原因索引集合
@property (nonatomic, strong) NSMutableSet<NSNumber *> *selectedReasonIndexes;

/// 选择内容卡片
@property (nonatomic, strong) UIView *contentCardView;
/// 选择内容标题
@property (nonatomic, strong) UILabel *contentTitleLabel;
/// 选择内容列表
@property (nonatomic, strong) UITableView *contentTableView;
/// 选择内容数据
@property (nonatomic, strong) NSArray<NSString *> *contentOptions;
/// 选中的内容索引集合
@property (nonatomic, strong) NSMutableSet<NSNumber *> *selectedContentIndexes;

/// 举报描述卡片
@property (nonatomic, strong) UIView *descriptionCardView;
/// 举报描述标题
@property (nonatomic, strong) UILabel *descriptionTitleLabel;
/// 举报描述输入框
@property (nonatomic, strong) UITextView *descriptionTextView;
/// 占位符标签
@property (nonatomic, strong) UILabel *placeholderLabel;
/// 字数统计标签
@property (nonatomic, strong) UILabel *countLabel;

/// 提交按钮
@property (nonatomic, strong) UIButton *submitButton;

@property (nonatomic, strong) AiVM *viewModel;

@end

@implementation AIReportVC

#pragma mark - Lifecycle

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = [UIColor colorWithRed:0.95 green:0.95 blue:0.95 alpha:1.0];
    self.kb_titleLabel.text = KBLocalized(@"Report");
    
    /// 1：初始化数据
    [self initData];
    /// 2：控件初始化
    [self setupUI];
    /// 3：绑定事件
    [self bindActions];
    /// 4：其他（通知/键盘等）
    [self bindKeyboardNotifications];
}

#pragma mark - 1：初始化数据

- (void)initData {
    self.reportReasons = @[
        KBLocalized(@"Pornographic And Vulgar"),
        KBLocalized(@"Politically Sensitive"),
        KBLocalized(@"Insult Attacks"),
        KBLocalized(@"Bloody Violence"),
        KBLocalized(@"Suicide And Self Harm"),
        KBLocalized(@"Plagiarism Infringement"),
        KBLocalized(@"Invasion Of Privacy"),
        KBLocalized(@"False Rumor"),
        KBLocalized(@"Other Harmful Information")
    ];
    
    self.contentOptions = @[
        KBLocalized(@"Character Name And Description"),
        KBLocalized(@"Picture"),
        KBLocalized(@"Timbre")
    ];
    
    self.selectedReasonIndexes = [NSMutableSet set];
    self.selectedContentIndexes = [NSMutableSet set];
}

#pragma mark - 2：控件初始化

- (void)setupUI {
    // 先添加提交按钮（因为 scrollView 的约束依赖它）
    [self.view addSubview:self.submitButton];
    [self.submitButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view).offset(40);
        make.right.equalTo(self.view).offset(-40);
        make.bottom.equalTo(self.view).offset(-KB_SAFE_BOTTOM - 20);
        make.height.mas_equalTo(50);
    }];
    
    [self.view addSubview:self.scrollView];
    [self.scrollView addSubview:self.contentView];
    
    [self.scrollView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.kb_navView.mas_bottom);
        make.left.right.equalTo(self.view);
        make.bottom.equalTo(self.submitButton.mas_top).offset(-10);
    }];
    
    [self.contentView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.scrollView);
        make.width.equalTo(self.scrollView);
    }];
    
    // 举报原因卡片
    [self.contentView addSubview:self.reasonCardView];
    [self.reasonCardView addSubview:self.reasonTitleLabel];
    [self.reasonCardView addSubview:self.reasonTableView];
    
    [self.reasonCardView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentView).offset(16);
        make.left.equalTo(self.contentView).offset(16);
        make.right.equalTo(self.contentView).offset(-16);
    }];
    
    [self.reasonTitleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.reasonCardView).offset(16);
        make.centerX.equalTo(self.reasonCardView);
    }];
    
    CGFloat reasonTableHeight = self.reportReasons.count * 44;
    [self.reasonTableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.reasonTitleLabel.mas_bottom).offset(8);
        make.left.right.equalTo(self.reasonCardView);
        make.height.mas_equalTo(reasonTableHeight);
        make.bottom.equalTo(self.reasonCardView).offset(-8);
    }];
    
    // 选择内容卡片
    [self.contentView addSubview:self.contentCardView];
    [self.contentCardView addSubview:self.contentTitleLabel];
    [self.contentCardView addSubview:self.contentTableView];
    
    [self.contentCardView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.reasonCardView.mas_bottom).offset(16);
        make.left.equalTo(self.contentView).offset(16);
        make.right.equalTo(self.contentView).offset(-16);
    }];
    
    [self.contentTitleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentCardView).offset(16);
        make.centerX.equalTo(self.contentCardView);
    }];
    
    CGFloat contentTableHeight = self.contentOptions.count * 44;
    [self.contentTableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentTitleLabel.mas_bottom).offset(8);
        make.left.right.equalTo(self.contentCardView);
        make.height.mas_equalTo(contentTableHeight);
        make.bottom.equalTo(self.contentCardView).offset(-8);
    }];
    
    // 举报描述卡片
    [self.contentView addSubview:self.descriptionCardView];
    [self.descriptionCardView addSubview:self.descriptionTitleLabel];
    [self.descriptionCardView addSubview:self.descriptionTextView];
    [self.descriptionCardView addSubview:self.placeholderLabel];
    [self.descriptionCardView addSubview:self.countLabel];
    
    [self.descriptionCardView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentCardView.mas_bottom).offset(16);
        make.left.equalTo(self.contentView).offset(16);
        make.right.equalTo(self.contentView).offset(-16);
        make.bottom.equalTo(self.contentView).offset(-16);
    }];
    
    [self.descriptionTitleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.descriptionCardView).offset(16);
        make.centerX.equalTo(self.descriptionCardView);
    }];
    
    [self.descriptionTextView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.descriptionTitleLabel.mas_bottom).offset(12);
        make.left.equalTo(self.descriptionCardView).offset(12);
        make.right.equalTo(self.descriptionCardView).offset(-12);
        make.height.mas_equalTo(100);
        make.bottom.equalTo(self.descriptionCardView).offset(-30);
    }];
    
    [self.placeholderLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.descriptionTextView).offset(8);
        make.left.equalTo(self.descriptionTextView).offset(5);
        make.right.equalTo(self.descriptionTextView).offset(-5);
    }];
    
    [self.countLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.descriptionCardView).offset(-16);
        make.bottom.equalTo(self.descriptionCardView).offset(-8);
    }];
}

#pragma mark - 3：绑定事件

- (void)bindActions {
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
    tap.cancelsTouchesInView = NO;
    [self.view addGestureRecognizer:tap];
}

- (void)dismissKeyboard {
    [self.view endEditing:YES];
}

#pragma mark - 4：键盘处理

- (void)bindKeyboardNotifications {
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleKeyboardWillChange:)
                                                 name:UIKeyboardWillChangeFrameNotification
                                               object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(handleKeyboardWillHide:)
                                                 name:UIKeyboardWillHideNotification
                                               object:nil];
}

- (void)handleKeyboardWillChange:(NSNotification *)notification {
    NSDictionary *userInfo = notification.userInfo ?: @{};
    CGRect endFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
    NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
    NSInteger curve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
    
    CGRect endFrameInView = [self.view convertRect:endFrame fromView:nil];
    CGFloat keyboardHeight = MAX(0, CGRectGetMaxY(self.view.bounds) - CGRectGetMinY(endFrameInView));
    
    UIEdgeInsets inset = self.scrollView.contentInset;
    inset.bottom = keyboardHeight;
    
    UIViewAnimationOptions options = (UIViewAnimationOptions)(curve << 16);
    [UIView animateWithDuration:duration delay:0 options:options animations:^{
        self.scrollView.contentInset = inset;
        self.scrollView.scrollIndicatorInsets = inset;
        if ([self.descriptionTextView isFirstResponder]) {
            CGRect rect = [self.descriptionTextView convertRect:self.descriptionTextView.bounds toView:self.scrollView];
            rect = CGRectInset(rect, 0, -12);
            [self.scrollView scrollRectToVisible:rect animated:NO];
        }
    } completion:nil];
}

- (void)handleKeyboardWillHide:(NSNotification *)notification {
    NSDictionary *userInfo = notification.userInfo ?: @{};
    NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
    NSInteger curve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
    UIViewAnimationOptions options = (UIViewAnimationOptions)(curve << 16);
    
    [UIView animateWithDuration:duration delay:0 options:options animations:^{
        self.scrollView.contentInset = UIEdgeInsetsZero;
        self.scrollView.scrollIndicatorInsets = UIEdgeInsetsZero;
    } completion:nil];
}

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

#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    if (tableView == self.reasonTableView) {
        return self.reportReasons.count;
    } else {
        return self.contentOptions.count;
    }
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    AIReportOptionCell *cell = [tableView dequeueReusableCellWithIdentifier:@"AIReportOptionCell" forIndexPath:indexPath];
    
    if (tableView == self.reasonTableView) {
        cell.titleLabel.text = self.reportReasons[indexPath.row];
        cell.isSelectedOption = [self.selectedReasonIndexes containsObject:@(indexPath.row)];
    } else {
        cell.titleLabel.text = self.contentOptions[indexPath.row];
        cell.isSelectedOption = [self.selectedContentIndexes containsObject:@(indexPath.row)];
    }
    
    return cell;
}

#pragma mark - UITableViewDelegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    NSMutableSet *selectedSet;
    
    if (tableView == self.reasonTableView) {
        selectedSet = self.selectedReasonIndexes;
    } else {
        selectedSet = self.selectedContentIndexes;
    }
    
    NSNumber *indexNum = @(indexPath.row);
    if ([selectedSet containsObject:indexNum]) {
        [selectedSet removeObject:indexNum];
    } else {
        [selectedSet addObject:indexNum];
    }
    
    [tableView reloadRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 44;
}

#pragma mark - UITextViewDelegate

- (void)textViewDidChange:(UITextView *)textView {
    self.placeholderLabel.hidden = textView.text.length > 0;
    
    // 限制 200 字
    if (textView.text.length > 200) {
        textView.text = [textView.text substringToIndex:200];
    }
    
    self.countLabel.text = [NSString stringWithFormat:@"%ld/200", (long)textView.text.length];
}

#pragma mark - Actions

- (void)submitButtonTapped {
    if (self.personaId <= 0) {
        [KBHUD showError:KBLocalized(@"Invalid parameter")];
        return;
    }

    if (self.selectedReasonIndexes.count == 0) {
        [KBHUD showError:KBLocalized(@"Please select at least one report reason")];
        return;
    }
    
    if (self.selectedContentIndexes.count == 0) {
        [KBHUD showError:KBLocalized(@"Please select at least one content type")];
        return;
    }
    
    // 收集选中的举报原因
    NSMutableArray *selectedReasons = [NSMutableArray array];
    for (NSNumber *index in self.selectedReasonIndexes) {
        [selectedReasons addObject:self.reportReasons[index.integerValue]];
    }
    
    // 收集选中的内容类型
    NSMutableArray *selectedContents = [NSMutableArray array];
    for (NSNumber *index in self.selectedContentIndexes) {
        [selectedContents addObject:self.contentOptions[index.integerValue]];
    }
    
    NSString *reportDesc = [self.descriptionTextView.text ?: @"" stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    
    NSLog(@"[AIReportVC] 举报人设 ID: %ld", (long)self.personaId);
    NSLog(@"[AIReportVC] 举报原因: %@", selectedReasons);
    NSLog(@"[AIReportVC] 内容类型: %@", selectedContents);
    NSLog(@"[AIReportVC] 描述: %@", reportDesc);

    // 组装举报类型（从上到下 1-12：举报原因 1-9，内容类型 10-12）
    NSMutableArray<NSNumber *> *reportTypes = [NSMutableArray array];
    NSArray<NSNumber *> *sortedReasonIndexes = [[self.selectedReasonIndexes allObjects]
        sortedArrayUsingDescriptors:@[[NSSortDescriptor sortDescriptorWithKey:@"self" ascending:YES]]];
    for (NSNumber *index in sortedReasonIndexes) {
        NSInteger type = index.integerValue + 1;
        if (type > 0) {
            [reportTypes addObject:@(type)];
        }
    }
    NSArray<NSNumber *> *sortedContentIndexes = [[self.selectedContentIndexes allObjects]
        sortedArrayUsingDescriptors:@[[NSSortDescriptor sortDescriptorWithKey:@"self" ascending:YES]]];
    for (NSNumber *index in sortedContentIndexes) {
        NSInteger type = self.reportReasons.count + index.integerValue + 1;
        if (type > 0) {
            [reportTypes addObject:@(type)];
        }
    }

    [KBHUD show];
    __weak typeof(self) weakSelf = self;
    [self.viewModel reportCompanionWithCompanionId:self.personaId
                                       reportTypes:reportTypes
                                        reportDesc:reportDesc
                                       chatContext:nil
                                  evidenceImageUrl:nil
                                        completion:^(BOOL success, NSError * _Nullable error) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [KBHUD dismiss];
            if (!success) {
                NSString *msg = error.localizedDescription ?: KBLocalized(@"Network error");
                [KBHUD showError:msg];
                return;
            }
            [KBHUD showSuccess:KBLocalized(@"Report submitted")];
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                [weakSelf.navigationController popViewControllerAnimated:YES];
            });
        });
    }];
}

#pragma mark - Lazy Load

- (UIScrollView *)scrollView {
    if (!_scrollView) {
        _scrollView = [[UIScrollView alloc] init];
        _scrollView.showsVerticalScrollIndicator = NO;
        _scrollView.alwaysBounceVertical = YES;
        _scrollView.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;
    }
    return _scrollView;
}

- (UIView *)contentView {
    if (!_contentView) {
        _contentView = [[UIView alloc] init];
    }
    return _contentView;
}

- (UIView *)reasonCardView {
    if (!_reasonCardView) {
        _reasonCardView = [[UIView alloc] init];
        _reasonCardView.backgroundColor = [UIColor whiteColor];
        _reasonCardView.layer.cornerRadius = 12;
    }
    return _reasonCardView;
}

- (UILabel *)reasonTitleLabel {
    if (!_reasonTitleLabel) {
        _reasonTitleLabel = [[UILabel alloc] init];
        _reasonTitleLabel.text = KBLocalized(@"Report reason");
        _reasonTitleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
        _reasonTitleLabel.textColor = [UIColor colorWithRed:0.1 green:0.1 blue:0.1 alpha:1.0];
    }
    return _reasonTitleLabel;
}

- (UITableView *)reasonTableView {
    if (!_reasonTableView) {
        _reasonTableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _reasonTableView.backgroundColor = [UIColor clearColor];
        _reasonTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _reasonTableView.scrollEnabled = NO;
        _reasonTableView.delegate = self;
        _reasonTableView.dataSource = self;
        [_reasonTableView registerClass:[AIReportOptionCell class] forCellReuseIdentifier:@"AIReportOptionCell"];
    }
    return _reasonTableView;
}

- (UIView *)contentCardView {
    if (!_contentCardView) {
        _contentCardView = [[UIView alloc] init];
        _contentCardView.backgroundColor = [UIColor whiteColor];
        _contentCardView.layer.cornerRadius = 12;
    }
    return _contentCardView;
}

- (UILabel *)contentTitleLabel {
    if (!_contentTitleLabel) {
        _contentTitleLabel = [[UILabel alloc] init];
        _contentTitleLabel.text = KBLocalized(@"selection content");
        _contentTitleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
        _contentTitleLabel.textColor = [UIColor colorWithRed:0.1 green:0.1 blue:0.1 alpha:1.0];
    }
    return _contentTitleLabel;
}

- (UITableView *)contentTableView {
    if (!_contentTableView) {
        _contentTableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _contentTableView.backgroundColor = [UIColor clearColor];
        _contentTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _contentTableView.scrollEnabled = NO;
        _contentTableView.delegate = self;
        _contentTableView.dataSource = self;
        [_contentTableView registerClass:[AIReportOptionCell class] forCellReuseIdentifier:@"AIReportOptionCell"];
    }
    return _contentTableView;
}

- (UIView *)descriptionCardView {
    if (!_descriptionCardView) {
        _descriptionCardView = [[UIView alloc] init];
        _descriptionCardView.backgroundColor = [UIColor whiteColor];
        _descriptionCardView.layer.cornerRadius = 12;
    }
    return _descriptionCardView;
}

- (UILabel *)descriptionTitleLabel {
    if (!_descriptionTitleLabel) {
        _descriptionTitleLabel = [[UILabel alloc] init];
        _descriptionTitleLabel.text = KBLocalized(@"Report description");
        _descriptionTitleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
        _descriptionTitleLabel.textColor = [UIColor colorWithRed:0.1 green:0.1 blue:0.1 alpha:1.0];
    }
    return _descriptionTitleLabel;
}

- (UITextView *)descriptionTextView {
    if (!_descriptionTextView) {
        _descriptionTextView = [[UITextView alloc] init];
        _descriptionTextView.font = [UIFont systemFontOfSize:14];
        _descriptionTextView.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1.0];
        _descriptionTextView.backgroundColor = [UIColor colorWithRed:0.96 green:0.96 blue:0.96 alpha:1.0];
        _descriptionTextView.layer.cornerRadius = 8;
        _descriptionTextView.delegate = self;
        _descriptionTextView.textContainerInset = UIEdgeInsetsMake(8, 4, 8, 4);
    }
    return _descriptionTextView;
}

- (UILabel *)placeholderLabel {
    if (!_placeholderLabel) {
        _placeholderLabel = [[UILabel alloc] init];
        _placeholderLabel.text = KBLocalized(@"Please describe the specific reason for your report.");
        _placeholderLabel.font = [UIFont systemFontOfSize:14];
        _placeholderLabel.textColor = [UIColor colorWithRed:0.6 green:0.6 blue:0.6 alpha:1.0];
        _placeholderLabel.numberOfLines = 0;
    }
    return _placeholderLabel;
}

- (UILabel *)countLabel {
    if (!_countLabel) {
        _countLabel = [[UILabel alloc] init];
        _countLabel.text = @"0/200";
        _countLabel.font = [UIFont systemFontOfSize:12];
        _countLabel.textColor = [UIColor colorWithRed:0.6 green:0.6 blue:0.6 alpha:1.0];
    }
    return _countLabel;
}

- (UIButton *)submitButton {
    if (!_submitButton) {
        _submitButton = [UIButton buttonWithType:UIButtonTypeCustom];
        _submitButton.backgroundColor = [UIColor colorWithRed:0.0 green:0.75 blue:0.67 alpha:1.0];
        _submitButton.layer.cornerRadius = 25;
        [_submitButton setTitle:KBLocalized(@"Submit") forState:UIControlStateNormal];
        [_submitButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        _submitButton.titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightSemibold];
        [_submitButton addTarget:self action:@selector(submitButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    }
    return _submitButton;
}

- (AiVM *)viewModel {
    if (!_viewModel) {
        _viewModel = [[AiVM alloc] init];
    }
    return _viewModel;
}

@end