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* CommentInput - 评论输入框组件
*
* 支持：普通评论、回复评论
*/
import React, { memo, useCallback, useRef, useEffect } from 'react';
import { TextInput as RNTextInput, Pressable, Keyboard } from 'react-native';
import { useSafeAreaInsets } from 'react-native-safe-area-context';
import { Send, X, AtSign } from '@tamagui/lucide-icons';
import { styled, XStack, YStack, Text, Input } from 'tamagui';
import Animated, { useAnimatedStyle, withSpring, useSharedValue } from 'react-native-reanimated';
import type { Comment } from '@/src/lib/supabase';
export interface CommentInputProps {
/** 输入内容 */
value: string;
/** 内容变更 */
onChangeText: (text: string) => void;
/** 提交评论 */
onSubmit: () => void;
/** 回复目标（为空表示普通评论） */
replyTarget?: Comment | null;
/** 取消回复 */
onCancelReply?: () => void;
/** 是否禁用 */
disabled?: boolean;
}
// 样式组件
const Container = styled(YStack, {
name: 'CommentInput',
paddingHorizontal: 16,
paddingTop: 12,
backgroundColor: '#fff',
borderTopWidth: 0.5,
borderTopColor: 'rgba(0, 0, 0, 0.06)',
gap: 10,
});
const ReplyBanner = styled(XStack, {
name: 'ReplyBanner',
alignItems: 'center',
justifyContent: 'space-between',
backgroundColor: '#f0f7ff',
paddingHorizontal: 14,
paddingVertical: 10,
borderRadius: 12,
gap: 8,
});
const ReplyInfo = styled(XStack, {
name: 'ReplyInfo',
alignItems: 'center',
gap: 6,
flex: 1,
});
const ReplyText = styled(Text, {
name: 'ReplyText',
fontSize: 13,
color: '#007aff',
flex: 1,
fontWeight: '500',
});
const InputRow = styled(XStack, {
name: 'InputRow',
alignItems: 'center',
gap: 10,
});
const InputWrapper = styled(XStack, {
name: 'InputWrapper',
flex: 1,
height: 44,
backgroundColor: '#f5f5f7',
borderRadius: 22,
paddingHorizontal: 16,
alignItems: 'center',
borderWidth: 1,
borderColor: 'transparent',
});
const StyledInput = styled(Input, {
name: 'CommentTextInput',
flex: 1,
height: 44,
backgroundColor: 'transparent',
fontSize: 15,
color: '#1a1a1a',
borderWidth: 0,
paddingHorizontal: 0,
});
const SendButton = styled(YStack, {
name: 'SendButton',
width: 44,
height: 44,
borderRadius: 22,
alignItems: 'center',
justifyContent: 'center',
});
const CancelButton = styled(YStack, {
name: 'CancelReplyBtn',
width: 24,
height: 24,
borderRadius: 12,
backgroundColor: 'rgba(0, 122, 255, 0.15)',
alignItems: 'center',
justifyContent: 'center',
});
const AnimatedSendButton = Animated.createAnimatedComponent(SendButton);
/**
* 评论输入框组件 - 现代感设计
*/
function CommentInputComponent({
value,
onChangeText,
onSubmit,
replyTarget,
onCancelReply,
disabled = false,
}: CommentInputProps) {
const inputRef = useRef<RNTextInput>(null);
const insets = useSafeAreaInsets();
const sendButtonScale = useSharedValue(1);
const sendButtonBg = useSharedValue(0);
const canSubmit = value.trim().length > 0 && !disabled;
// 发送按钮动画
useEffect(() => {
sendButtonBg.value = withSpring(canSubmit ? 1 : 0, { damping: 15 });
}, [canSubmit, sendButtonBg]);
const sendButtonStyle = useAnimatedStyle(() => ({
transform: [{ scale: sendButtonScale.value }],
backgroundColor: canSubmit ? '#007aff' : '#e5e5ea',
}));
const handleSubmit = useCallback(() => {
Eif (canSubmit) {
sendButtonScale.value = withSpring(0.9, { damping: 15 });
setTimeout(() => {
sendButtonScale.value = withSpring(1, { damping: 15 });
}, 100);
onSubmit();
Keyboard.dismiss();
}
}, [canSubmit, onSubmit, sendButtonScale]);
// 当有回复目标时自动聚焦
useEffect(() => {
if (replyTarget) {
inputRef.current?.focus();
}
}, [replyTarget]);
return (
<Container style={{ paddingBottom: Math.max(16, insets.bottom) }}>
{/* 回复提示条 */}
{replyTarget && (
<ReplyBanner>
<ReplyInfo>
<AtSign size={14} color="#007aff" />
<ReplyText numberOfLines={1}>回复 {replyTarget.author?.username || '用户'}</ReplyText>
</ReplyInfo>
<Pressable onPress={onCancelReply} hitSlop={8}>
<CancelButton>
<X size={14} color="#007aff" />
</CancelButton>
</Pressable>
</ReplyBanner>
)}
{/* 输入区域 */}
<InputRow>
<InputWrapper
style={{
borderColor: value.length > 0 ? '#007aff' : 'transparent',
backgroundColor: value.length > 0 ? '#fff' : '#f5f5f7',
}}
>
<StyledInput
ref={inputRef}
value={value}
onChangeText={onChangeText}
placeholder={replyTarget ? '写下你的回复...' : '写下你的评论...'}
placeholderTextColor="#8e8e93"
editable={!disabled}
onSubmitEditing={handleSubmit}
returnKeyType="send"
multiline={false}
/>
</InputWrapper>
<Pressable onPress={handleSubmit} disabled={!canSubmit}>
<AnimatedSendButton style={sendButtonStyle}>
<Send size={20} color={canSubmit ? '#fff' : '#c7c7cc'} style={{ marginLeft: 2 }} />
</AnimatedSendButton>
</Pressable>
</InputRow>
</Container>
);
}
export const CommentInput = memo(CommentInputComponent);
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