发送文本处理ui和逻辑

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -20,7 +20,7 @@
 #import "KBAIMessageVC.h"
 #import <Masonry/Masonry.h>
 
-@interface KBAIHomeVC () <UICollectionViewDelegate, UICollectionViewDataSource, KBVoiceToTextManagerDelegate, KBVoiceRecordManagerDelegate, UIGestureRecognizerDelegate, KBChatLimitPopViewDelegate>
+@interface KBAIHomeVC () <UICollectionViewDelegate, UICollectionViewDataSource, KBVoiceToTextManagerDelegate, KBVoiceRecordManagerDelegate, UIGestureRecognizerDelegate, KBChatLimitPopViewDelegate, UITextViewDelegate>
 
 /// 人设列表容器
 @property (nonatomic, strong) UICollectionView *collectionView;
@@ -31,11 +31,24 @@
 @property (nonatomic, assign) CGFloat voiceInputBarHeight;
 @property (nonatomic, assign) CGFloat baseInputBarBottomSpacing;
 @property (nonatomic, assign) CGFloat currentKeyboardHeight;
-/// 仅用于标记“由 KBVoiceInputBar 触发的键盘”是否处于激活态
+/// 仅用于标记"由 KBVoiceInputBar 触发的键盘"是否处于激活态
 @property (nonatomic, assign) BOOL voiceInputKeyboardActive;
 @property (nonatomic, strong) UITapGestureRecognizer *dismissKeyboardTap;
 @property (nonatomic, weak) LSTPopView *chatLimitPopView;
 
+/// 文本输入容器视图（键盘弹起时显示）
+@property (nonatomic, strong) UIView *textInputContainerView;
+/// 文本输入框
+@property (nonatomic, strong) UITextView *textInputTextView;
+/// 发送按钮
+@property (nonatomic, strong) UIButton *sendButton;
+/// 占位符标签
+@property (nonatomic, strong) UILabel *placeholderLabel;
+/// 文本输入容器底部约束
+@property (nonatomic, strong) MASConstraint *textInputContainerBottomConstraint;
+/// 是否处于文本输入模式
+@property (nonatomic, assign) BOOL isTextInputMode;
+
 /// 底部毛玻璃背景
 @property (nonatomic, strong) UIView *bottomBackgroundView;
 @property (nonatomic, strong) UIVisualEffectView *bottomBlurEffectView;
@@ -94,12 +107,16 @@
     return nil;
 }
 
-/// 仅允许 KBVoiceInputBar 触发键盘联动（避免评论输入等场景误触发）
+/// 仅允许 KBVoiceInputBar 或文本输入框触发键盘联动
 - (BOOL)kb_isKeyboardFromVoiceInputBar {
     UIView *firstResponder = [self kb_findFirstResponderInView:self.view];
     if (!firstResponder) {
         return NO;
     }
+    // 文本输入模式下，textInputTextView 也算
+    if (firstResponder == self.textInputTextView) {
+        return YES;
+    }
     return [firstResponder isDescendantOfView:self.voiceInputBar];
 }
 
@@ -117,9 +134,12 @@
     self.currentIndex = 0;
     self.preloadedIndexes = [NSMutableSet set];
     self.aiVM = [[AiVM alloc] init];
-    self.isWaitingForAIResponse = NO; // 初始化状态
+    self.isWaitingForAIResponse = NO;
+    self.isTextInputMode = NO;
     
     [self setupUI];
+    [self setupTextInputView];
+    [self setupVoiceInputBarCallback];
     [self setupVoiceToTextManager];
     [self setupVoiceRecordManager];
     [self setupKeyboardNotifications];
@@ -151,13 +171,12 @@
         make.right.equalTo(self.view).offset(-16);
         make.width.height.mas_equalTo(32);
     }];
-    
+
     // 底部毛玻璃背景
     [self.view addSubview:self.bottomBackgroundView];
     [self.bottomBackgroundView addSubview:self.bottomBlurEffectView];
     [self.bottomBackgroundView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.left.right.equalTo(self.view);
-//        self.bottomBackgroundBottomConstraint = make.bottom.equalTo(self.view).offset(-self.baseInputBarBottomSpacing);
         make.bottom.equalTo(self.view);
         make.height.mas_equalTo(self.voiceInputBarHeight);
     }];
@@ -170,10 +189,73 @@
     [self.voiceInputBar mas_makeConstraints:^(MASConstraintMaker *make) {
         make.left.right.equalTo(self.view);
         self.voiceInputBarBottomConstraint = make.bottom.equalTo(self.view).offset(-self.baseInputBarBottomSpacing);
-        make.height.mas_equalTo(self.voiceInputBarHeight); // 根据实际需要调整高度
+        make.height.mas_equalTo(self.voiceInputBarHeight);
     }];
 }
 
+/// 设置文本输入视图
+- (void)setupTextInputView {
+    // 文本输入容器（初始隐藏）
+    [self.view addSubview:self.textInputContainerView];
+    [self.textInputContainerView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.right.equalTo(self.view);
+        self.textInputContainerBottomConstraint = make.bottom.equalTo(self.view).offset(100); // 初始在屏幕外
+        make.height.mas_greaterThanOrEqualTo(50);
+    }];
+    
+    [self.textInputContainerView addSubview:self.textInputTextView];
+    [self.textInputContainerView addSubview:self.sendButton];
+    [self.textInputTextView addSubview:self.placeholderLabel];
+    
+    [self.sendButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self.textInputContainerView).offset(-16);
+        make.bottom.equalTo(self.textInputContainerView).offset(-10);
+        make.width.mas_equalTo(60);
+        make.height.mas_equalTo(36);
+    }];
+    
+    [self.textInputTextView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.textInputContainerView).offset(16);
+        make.right.equalTo(self.sendButton.mas_left).offset(-10);
+        make.top.equalTo(self.textInputContainerView).offset(8);
+        make.bottom.equalTo(self.textInputContainerView).offset(-8);
+        make.height.mas_greaterThanOrEqualTo(36);
+        make.height.mas_lessThanOrEqualTo(100);
+    }];
+    
+    [self.placeholderLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.textInputTextView).offset(5);
+        make.top.equalTo(self.textInputTextView).offset(8);
+    }];
+}
+
+/// 设置 VoiceInputBar 的文本发送回调
+- (void)setupVoiceInputBarCallback {
+    __weak typeof(self) weakSelf = self;
+    self.voiceInputBar.onTextSend = ^(NSString *text) {
+        // 文本模式下点击，显示文本输入框
+        [weakSelf showTextInputView];
+    };
+}
+
+/// 显示文本输入视图
+- (void)showTextInputView {
+    self.isTextInputMode = YES;
+    self.voiceInputBar.hidden = YES;
+    self.textInputContainerView.hidden = NO;
+    [self.textInputTextView becomeFirstResponder];
+}
+
+/// 隐藏文本输入视图
+- (void)hideTextInputView {
+    self.isTextInputMode = NO;
+    [self.textInputTextView resignFirstResponder];
+    self.textInputContainerView.hidden = YES;
+    self.voiceInputBar.hidden = NO;
+    self.textInputTextView.text = @"";
+    self.placeholderLabel.hidden = NO;
+}
+
 #pragma mark - 2：数据加载
 
 - (void)loadPersonas {
@@ -191,7 +273,6 @@
         
         if (error) {
             NSLog(@"加载人设列表失败：%@", error.localizedDescription);
-            // TODO: 显示错误提示
             return;
         }
         
@@ -200,24 +281,18 @@
             return;
         }
         
-        // 追加数据
         [weakSelf.personas addObjectsFromArray:pageModel.records];
         weakSelf.hasMore = pageModel.hasMore;
         
-        // 刷新 UI
         dispatch_async(dispatch_get_main_queue(), ^{
             [weakSelf.collectionView reloadData];
-            
-            // 首次加载，预加载前 3 个
             if (weakSelf.currentPage == 1) {
                 [weakSelf preloadDataForIndexes:@[@0, @1, @2]];
             }
         });
         
         NSLog(@"加载成功：当前 %ld 条，总共 %ld 条，还有更多：%@",
-              weakSelf.personas.count,
-              pageModel.total,
-              pageModel.hasMore ? @"是" : @"否");
+              weakSelf.personas.count, pageModel.total, pageModel.hasMore ? @"是" : @"否");
     }];
 }
 
@@ -225,7 +300,6 @@
     if (!self.hasMore || self.isLoading) {
         return;
     }
-    
     self.currentPage++;
     [self loadPersonas];
 }
@@ -238,20 +312,13 @@
     }
     
     NSMutableArray *indexesToPreload = [NSMutableArray array];
-    
-    // 上一个
     if (index > 0) {
         [indexesToPreload addObject:@(index - 1)];
     }
-    
-    // 当前
     [indexesToPreload addObject:@(index)];
-    
-    // 下一个
     if (index < self.personas.count - 1) {
         [indexesToPreload addObject:@(index + 1)];
     }
-    
     [self preloadDataForIndexes:indexesToPreload];
 }
 
@@ -260,7 +327,6 @@
         if ([self.preloadedIndexes containsObject:indexNum]) {
             continue;
         }
-        
         [self.preloadedIndexes addObject:indexNum];
         
         NSInteger index = [indexNum integerValue];
@@ -270,11 +336,9 @@
         
         NSIndexPath *indexPath = [NSIndexPath indexPathForItem:index inSection:0];
         KBPersonaChatCell *cell = (KBPersonaChatCell *)[self.collectionView cellForItemAtIndexPath:indexPath];
-        
         if (cell) {
             [cell preloadDataIfNeeded];
         }
-        
         NSLog(@"预加载第 %ld 个人设", (long)index);
     }
 }
@@ -289,20 +353,14 @@
     KBPersonaChatCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"KBPersonaChatCell" forIndexPath:indexPath];
     cell.persona = self.personas[indexPath.item];
     [self updateChatViewBottomInset];
-    
-    // 标记为已预加载
     [self.preloadedIndexes addObject:@(indexPath.item)];
-    
-    // 直接触发预加载
     [cell preloadDataIfNeeded];
-    
     return cell;
 }
 
 #pragma mark - UIScrollViewDelegate
 
 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {
-    // 关键修复：如果正在等待 AI 回复，不进行预加载等操作
     if (self.isWaitingForAIResponse) {
         return;
     }
@@ -311,14 +369,12 @@
     CGFloat offsetY = scrollView.contentOffset.y;
     NSInteger currentPage = offsetY / pageHeight;
     
-    // 滑动超过 30% 就预加载
     if (fmod(offsetY, pageHeight) > pageHeight * 0.3) {
         [self preloadAdjacentCellsForIndex:currentPage + 1];
     } else {
         [self preloadAdjacentCellsForIndex:currentPage];
     }
     
-    // 接近底部时加载更多
     if (offsetY + scrollView.bounds.size.height >= scrollView.contentSize.height - pageHeight) {
         [self loadMorePersonas];
     }
@@ -332,15 +388,12 @@
     if (currentPage < self.personas.count) {
         NSLog(@"当前在第 %ld 个人设：%@", (long)currentPage, self.personas[currentPage].name);
     }
-    
     [self updateChatViewBottomInset];
 }
 
-/// 关键修复：禁止在等待 AI 回复时开始拖拽
 - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
     if (self.isWaitingForAIResponse) {
         NSLog(@"[KBAIHomeVC] 正在等待 AI 回复，禁止滚动");
-        // 强制停止滚动
         scrollView.scrollEnabled = NO;
         scrollView.scrollEnabled = YES;
     }
@@ -377,45 +430,42 @@
     NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
     UIViewAnimationOptions options = ([userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue] << 16);
     
-    // 将键盘的 frame 转换到当前 view 的坐标系
     CGRect convertedFrame = [self.view convertRect:endFrame fromView:nil];
     CGFloat keyboardHeight = MAX(0.0, CGRectGetMaxY(self.view.bounds) - CGRectGetMinY(convertedFrame));
 
-    // Gate：只让 KBVoiceInputBar 触发聊天区域的联动（评论输入等场景会误触发）
     if (keyboardHeight > 0.0) {
         if (![self kb_isKeyboardFromVoiceInputBar]) {
             return;
         }
         self.voiceInputKeyboardActive = YES;
     } else {
-        // 键盘收起时：只有之前是由 KBVoiceInputBar 触发的，才需要恢复
         if (!self.voiceInputKeyboardActive) {
             return;
         }
         self.voiceInputKeyboardActive = NO;
+        // 键盘隐藏时，如果是文本输入模式，隐藏文本输入框并显示 VoiceInputBar
+        if (self.isTextInputMode) {
+            [self hideTextInputView];
+        }
     }
 
     self.currentKeyboardHeight = keyboardHeight;
     
-    NSLog(@"[KBAIHomeVC] 键盘高度: %.2f, 屏幕高度: %.2f, 键盘 Y: %.2f", 
-          keyboardHeight, CGRectGetMaxY(self.view.bounds), CGRectGetMinY(convertedFrame));
-    
-    // 问题1修复：计算 VoiceInputBar 应该距离 view.bottom 多远
+    NSLog(@"[KBAIHomeVC] 键盘高度: %.2f", keyboardHeight);
+
     CGFloat bottomSpacing;
     if (keyboardHeight > 0.0) {
-        // 键盘弹起时：让 VoiceInputBar 紧贴键盘上方（距离 5px）
-        // bottomSpacing = 键盘高度 - 5px（因为是负的 offset）
         bottomSpacing = keyboardHeight - 5.0;
+        // 文本输入模式：更新文本输入容器位置
+        if (self.isTextInputMode) {
+            [self.textInputContainerBottomConstraint setOffset:-keyboardHeight];
+        }
     } else {
-        // 键盘隐藏时：恢复到原始位置
         bottomSpacing = self.baseInputBarBottomSpacing;
+        [self.textInputContainerBottomConstraint setOffset:100]; // 移出屏幕
     }
     
-    NSLog(@"[KBAIHomeVC] VoiceInputBar bottomSpacing: %.2f", bottomSpacing);
-    
     [self.voiceInputBarBottomConstraint setOffset:-bottomSpacing];
-    
-    // 问题2修复：键盘弹起时更新 ChatView 的 bottomInset
     [self updateChatViewBottomInset];
     
     [UIView animateWithDuration:duration
@@ -447,6 +497,9 @@
     if ([touch.view isDescendantOfView:self.voiceInputBar]) {
         return NO;
     }
+    if ([touch.view isDescendantOfView:self.textInputContainerView]) {
+        return NO;
+    }
     return YES;
 }
 
@@ -486,46 +539,27 @@
             return visibleCell;
         }
     }
-    
     return nil;
 }
 
 #pragma mark - Private
 
 - (void)updateChatViewBottomInset {
-    // 键盘弹起时，增加 bottomInset 让最后一条消息显示在 VoiceInputBar 上方
     CGFloat bottomInset;
     
     if (self.currentKeyboardHeight > 0.0) {
-        // 键盘弹起时：
-        // avatarImageView 距离屏幕底部的距离 = KB_TABBAR_HEIGHT + 50 + 20
-        // chatView 物理底部到屏幕底部 = KB_TABBAR_HEIGHT + 50 + 20 + 54(头像) + 10(间距) ≈ 153
-        // 但是 VoiceInputBar 和键盘会遮挡 chatView
-        // 需要的 bottomInset = 键盘高度 + VoiceInputBar 高度 - chatView 已经避开的底部区域
-        
-        CGFloat avatarBottomSpace = KB_TABBAR_HEIGHT + 50 + 20; // avatarImageView 距离底部的距离
-        CGFloat chatViewPhysicalBottomSpace = avatarBottomSpace + 54 + 10; // chatView 物理底部距离屏幕底部
-        
-        // 需要抬高的额外距离 = (键盘 + InputBar) - chatView 已经避开的空间
+        CGFloat avatarBottomSpace = KB_TABBAR_HEIGHT + 50 + 20;
+        CGFloat chatViewPhysicalBottomSpace = avatarBottomSpace + 54 + 10;
         bottomInset = (self.currentKeyboardHeight + self.voiceInputBarHeight) - chatViewPhysicalBottomSpace;
-        
-        // 确保不会是负数
         bottomInset = MAX(bottomInset, 0);
-        
-        NSLog(@"[KBAIHomeVC] 键盘弹起 - bottomInset: %.2f (键盘: %.2f + InputBar: %.2f - 已避开: %.2f)", 
-              bottomInset, self.currentKeyboardHeight, self.voiceInputBarHeight, chatViewPhysicalBottomSpace);
     } else {
-        // 键盘隐藏时：不需要额外的 bottomInset
         bottomInset = 0;
-        NSLog(@"[KBAIHomeVC] 键盘隐藏 - bottomInset: %.2f", bottomInset);
     }
     
     for (NSIndexPath *indexPath in self.collectionView.indexPathsForVisibleItems) {
         KBPersonaChatCell *cell = (KBPersonaChatCell *)[self.collectionView cellForItemAtIndexPath:indexPath];
         if (cell) {
             [cell updateChatViewBottomInset:bottomInset];
-            
-            // 键盘弹起时，自动滚动到最后一条消息
             if (self.currentKeyboardHeight > 0.0) {
                 dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                     [cell.chatView scrollToBottom];
@@ -557,6 +591,18 @@
     [pop pop];
 }
 
+#pragma mark - UITextViewDelegate
+
+- (void)textViewDidChange:(UITextView *)textView {
+    self.placeholderLabel.hidden = textView.text.length > 0;
+    // 动态调整高度
+    CGSize size = [textView sizeThatFits:CGSizeMake(textView.frame.size.width, CGFLOAT_MAX)];
+    CGFloat newHeight = MIN(MAX(size.height, 36), 100);
+    [textView mas_updateConstraints:^(MASConstraintMaker *make) {
+        make.height.mas_greaterThanOrEqualTo(newHeight);
+    }];
+}
+
 #pragma mark - Lazy Load
 
 - (UICollectionView *)collectionView {
@@ -590,6 +636,55 @@
     return _voiceInputBar;
 }
 
+- (UIView *)textInputContainerView {
+    if (!_textInputContainerView) {
+        _textInputContainerView = [[UIView alloc] init];
+        _textInputContainerView.backgroundColor = [UIColor whiteColor];
+        _textInputContainerView.hidden = YES;
+    }
+    return _textInputContainerView;
+}
+
+- (UITextView *)textInputTextView {
+    if (!_textInputTextView) {
+        _textInputTextView = [[UITextView alloc] init];
+        _textInputTextView.font = [UIFont systemFontOfSize:16];
+        _textInputTextView.textColor = [UIColor blackColor];
+        _textInputTextView.backgroundColor = [UIColor colorWithRed:0.95 green:0.95 blue:0.95 alpha:1.0];
+        _textInputTextView.layer.cornerRadius = 18;
+        _textInputTextView.layer.masksToBounds = YES;
+        _textInputTextView.textContainerInset = UIEdgeInsetsMake(8, 8, 8, 8);
+        _textInputTextView.delegate = self;
+        _textInputTextView.returnKeyType = UIReturnKeySend;
+        _textInputTextView.enablesReturnKeyAutomatically = YES;
+    }
+    return _textInputTextView;
+}
+
+- (UIButton *)sendButton {
+    if (!_sendButton) {
+        _sendButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        [_sendButton setTitle:KBLocalized(@"发送") forState:UIControlStateNormal];
+        [_sendButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+        _sendButton.titleLabel.font = [UIFont systemFontOfSize:15 weight:UIFontWeightMedium];
+        _sendButton.backgroundColor = [UIColor colorWithRed:0.2 green:0.6 blue:1.0 alpha:1.0];
+        _sendButton.layer.cornerRadius = 18;
+        _sendButton.layer.masksToBounds = YES;
+        [_sendButton addTarget:self action:@selector(sendButtonTapped) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _sendButton;
+}
+
+- (UILabel *)placeholderLabel {
+    if (!_placeholderLabel) {
+        _placeholderLabel = [[UILabel alloc] init];
+        _placeholderLabel.text = KBLocalized(@"输入消息...");
+        _placeholderLabel.font = [UIFont systemFontOfSize:16];
+        _placeholderLabel.textColor = [UIColor lightGrayColor];
+    }
+    return _placeholderLabel;
+}
+
 #pragma mark - KBChatLimitPopViewDelegate
 
 - (void)chatLimitPopViewDidTapCancel:(KBChatLimitPopView *)view {
@@ -654,6 +749,24 @@
     [self.navigationController pushViewController:vc animated:YES];
 }
 
+/// 发送按钮点击 - 直接调用 handleTranscribedText
+- (void)sendButtonTapped {
+    NSString *text = [self.textInputTextView.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+    if (text.length == 0) {
+        return;
+    }
+    
+    // 清空输入框
+    self.textInputTextView.text = @"";
+    self.placeholderLabel.hidden = NO;
+    
+    // 隐藏键盘和文本输入框
+    [self hideTextInputView];
+    
+    // 直接调用 handleTranscribedText，不走语音录制流程
+    [self handleTranscribedText:text];
+}
+
 #pragma mark - KBVoiceToTextManagerDelegate
 
 - (void)voiceToTextManager:(KBVoiceToTextManager *)manager
@@ -689,7 +802,6 @@
     unsigned long long fileSize = [attributes[NSFileSize] unsignedLongLongValue];
     NSLog(@"[KBAIHomeVC] 录音完成，时长: %.2fs，大小: %llu bytes", duration, fileSize);
     
-    // 显示 loading 气泡
     KBPersonaChatCell *currentCell = [self currentPersonaCell];
     if (currentCell) {
         [currentCell appendLoadingUserMessage];
@@ -725,12 +837,10 @@
                 return;
             }
             
-            // 更新 loading 气泡为实际文本
             if (cell) {
                 [cell updateLastUserMessage:transcript];
             }
             
-            // 发送聊天请求（不追加消息，因为已经更新了）
             [strongSelf handleTranscribedText:transcript appendToUI:NO];
         });
     }];
@@ -756,7 +866,7 @@
     if (text.length == 0) {
         return;
     }
-    NSLog(@"[KBAIHomeVC] 语音识别结果：%@", text);
+    NSLog(@"[KBAIHomeVC] 发送消息：%@", text);
     
     NSInteger companionId = [self currentCompanionId];
     if (companionId <= 0) {
@@ -769,7 +879,6 @@
         [currentCell appendUserMessage:text];
     }
     
-    // 关键修复：发送消息前禁止 CollectionView 滚动
     self.isWaitingForAIResponse = YES;
     self.collectionView.scrollEnabled = NO;
     NSLog(@"[KBAIHomeVC] 开始等待 AI 回复，禁止 CollectionView 滚动");
@@ -784,12 +893,10 @@
         }
         
         dispatch_async(dispatch_get_main_queue(), ^{
-            // 关键修复：收到响应后（无论成功或失败）重新启用 CollectionView 滚动
             strongSelf.isWaitingForAIResponse = NO;
             strongSelf.collectionView.scrollEnabled = YES;
             NSLog(@"[KBAIHomeVC] AI 回复完成，恢复 CollectionView 滚动");
 
-            // 收到响应后，隐藏用户消息的 loading
             KBPersonaChatCell *cell = [strongSelf currentPersonaCell];
             if (cell) {
                 [cell markLastUserMessageLoadingComplete];