forked from 77media/video-flow
252 lines
8.6 KiB
TypeScript
252 lines
8.6 KiB
TypeScript
import React, { useRef, useState, useEffect } from "react";
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import { Image as ImageIcon, Send, Trash2, ArrowUp } from "lucide-react";
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import { MessageBlock } from "./types";
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import { useUploadFile } from "@/app/service/domain/service";
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interface InputBarProps {
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onSend: (blocks: MessageBlock[], videoId?: string) => void;
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setVideoPreview?: (url: string, id: string) => void;
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initialVideoUrl?: string;
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initialVideoId?: string;
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}
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export function InputBar({ onSend, setVideoPreview, initialVideoUrl, initialVideoId }: InputBarProps) {
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const [text, setText] = useState("");
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const [isUploading, setIsUploading] = useState(false);
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const [uploadProgress, setUploadProgress] = useState(0);
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const [imageUrl, setImageUrl] = useState<string | null>(null);
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const [videoUrl, setVideoUrl] = useState<string | null>(initialVideoUrl || null);
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const [videoId, setVideoId] = useState<string | null>(initialVideoId || null);
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const [isMultiline, setIsMultiline] = useState(false);
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const textareaRef = useRef<HTMLTextAreaElement>(null);
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const { uploadFile } = useUploadFile();
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const adjustHeight = () => {
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const textarea = textareaRef.current;
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if (textarea) {
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textarea.style.height = 'auto';
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const newHeight = Math.min(Math.max(textarea.scrollHeight, 48), 120);
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textarea.style.height = `${newHeight}px`;
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// 检查是否超过一行（48px 是单行高度）
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setIsMultiline(newHeight > 48);
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}
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};
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// 监听初始视频 URL 和 ID 的变化
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useEffect(() => {
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if (initialVideoUrl && initialVideoId) {
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setVideoUrl(initialVideoUrl);
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setVideoId(initialVideoId);
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}
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}, [initialVideoUrl, initialVideoId]);
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// 监听文本变化和组件挂载时调整高度
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useEffect(() => {
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adjustHeight();
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}, [text]);
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const handleSend = () => {
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const blocks: MessageBlock[] = [];
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if (text.trim()) blocks.push({ type: "text" as const, text: text.trim() });
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if (imageUrl) blocks.push({ type: "image" as const, url: imageUrl });
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if (videoUrl) blocks.push({ type: "video" as const, url: videoUrl });
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if (!blocks.length) return;
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onSend(blocks, videoId || undefined);
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setText("");
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setImageUrl(null);
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if (videoUrl && videoId && setVideoPreview) {
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setVideoPreview(videoUrl, videoId);
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}
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setVideoUrl(null);
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setVideoId(null);
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};
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const handleFileUpload = async (file: File) => {
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try {
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setIsUploading(true);
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const url = await uploadFile(file, (progress) => {
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setUploadProgress(progress);
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});
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// 如果已经有视频，先保存视频状态
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const prevVideoUrl = videoUrl;
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const prevVideoId = videoId;
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setImageUrl(url);
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// 恢复视频状态
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if (prevVideoUrl && prevVideoId) {
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setVideoUrl(prevVideoUrl);
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setVideoId(prevVideoId);
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}
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} catch (error) {
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console.error("上传失败:", error);
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// 可以添加错误提示
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} finally {
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setIsUploading(false);
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setUploadProgress(0);
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}
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};
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const onFileChange = async (e: React.ChangeEvent<HTMLInputElement>) => {
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const file = e.target.files?.[0];
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// 保存对 input 元素的引用
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const inputElement = e.currentTarget;
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if (file) {
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if (!file.type.startsWith('image/')) {
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alert('请选择图片文件');
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inputElement.value = ""; // 重置 input
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return;
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}
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await handleFileUpload(file);
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// 使用保存的引用重置 input
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inputElement.value = "";
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}
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};
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const removeImage = () => {
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setImageUrl(null);
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};
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return (
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<div data-alt="input-bar">
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{/* 媒体预览 */}
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<div className="px-3 pt-3 flex gap-2" data-alt="media-preview">
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{/* 图片预览 */}
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{imageUrl && (
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<div className="relative group w-24 h-24">
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<img
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src={imageUrl}
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className="h-full w-full object-cover rounded-xl border border-white/10"
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alt="预览图"
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/>
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<button
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onClick={removeImage}
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className="absolute top-1 right-1 opacity-0 group-hover:opacity-100 transition bg-black/60 text-white rounded-full p-1"
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title="移除"
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data-alt="remove-image-button"
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>
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<Trash2 size={14} />
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</button>
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</div>
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)}
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{/* 视频预览 */}
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{videoUrl && (
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<div className="relative group w-24 h-24">
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<video
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src={videoUrl}
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className="h-full w-full object-cover rounded-xl border border-white/10"
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controls={false}
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/>
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<button
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onClick={() => {
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if (setVideoPreview) {
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setVideoPreview(videoUrl!, videoId!);
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}
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setVideoUrl(null);
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setVideoId(null);
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}}
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className="absolute top-1 right-1 opacity-0 group-hover:opacity-100 transition bg-black/60 text-white rounded-full p-1"
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title="移除"
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data-alt="remove-video-button"
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>
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<Trash2 size={14} />
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</button>
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</div>
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)}
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</div>
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{/* 上传进度 */}
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{isUploading && (
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<div className="px-3 py-2">
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<div className="w-full bg-gray-200 rounded-full h-1">
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<div
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className="bg-blue-500 h-1 rounded-full transition-all duration-300"
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style={{ width: `${uploadProgress}%` }}
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/>
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</div>
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</div>
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)}
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<div className={`${isMultiline ? 'flex flex-col' : 'flex items-center'} gap-2 px-3 m-3 border border-gray-700 rounded-[2rem]`}>
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{/* 图片上传按钮 - 单行时显示在左侧，多行时显示在底部 */}
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{!isMultiline && (
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<label
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className={`cursor-pointer inline-flex items-center gap-2 p-2 my-2 rounded-full hover:bg-gray-700/50 text-gray-100 ${isUploading ? 'opacity-50 cursor-not-allowed' : ''}`}
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data-alt="file-upload"
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>
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<ImageIcon size={16} />
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<input
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className="hidden"
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type="file"
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accept="image/*"
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onChange={onFileChange}
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disabled={isUploading}
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/>
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</label>
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)}
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{/* 文本输入 */}
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<textarea
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ref={textareaRef}
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placeholder="输入文字…"
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className="w-full pl-[10px] pr-[10px] py-[14px] rounded-[10px] leading-[20px] text-sm border-none bg-transparent text-white placeholder:text-white/[0.40] focus:outline-none resize-none min-h-[48px] max-h-[120px] overflow-y-auto"
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rows={1}
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value={text}
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onChange={(e) => setText(e.target.value)}
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onKeyDown={(e) => {
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if (e.key === "Enter" && !e.shiftKey) {
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e.preventDefault();
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handleSend();
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}
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}}
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data-alt="text-input"
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/>
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{isMultiline ? (
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// 多行模式：底部按钮区域
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<div className="flex justify-between items-center pb-2">
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{/* 图片上传 */}
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<label
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className={`cursor-pointer inline-flex items-center gap-2 p-2 rounded-full hover:bg-gray-700/50 text-gray-100 ${isUploading ? 'opacity-50 cursor-not-allowed' : ''}`}
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data-alt="file-upload"
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>
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<ImageIcon size={16} />
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<input
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className="hidden"
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type="file"
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accept="image/*"
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onChange={onFileChange}
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disabled={isUploading}
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/>
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</label>
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{/* 发送按钮 */}
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<button
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onClick={handleSend}
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className="inline-flex items-center gap-2 p-2 rounded-full bg-[#f1f3f4] text-[#25294b] shadow disabled:text-white/25 disabled:border disabled:border-white/10 disabled:bg-[#1b1b1b80] disabled:cursor-not-allowed"
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data-alt="send-button"
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disabled={!text.trim() && !imageUrl && !videoUrl}
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>
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<ArrowUp size={18} />
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</button>
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</div>
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) : (
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// 单行模式：发送按钮
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<button
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onClick={handleSend}
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className="inline-flex items-center gap-2 p-2 my-2 rounded-full bg-[#f1f3f4] text-[#25294b] shadow disabled:text-white/25 disabled:border disabled:border-white/10 disabled:bg-[#1b1b1b80] disabled:cursor-not-allowed"
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data-alt="send-button"
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disabled={!text.trim() && !imageUrl && !videoUrl}
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>
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<ArrowUp size={18} />
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</button>
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)}
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</div>
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</div>
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);
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} |