| 'use client'; |
|
|
| import React, { useCallback, useMemo, useRef, useState } from 'react'; |
| import classNames from 'classnames'; |
| import { useDropzone } from 'react-dropzone'; |
| import { FaUpload, FaImage, FaTimes } from 'react-icons/fa'; |
| import { apiClient } from '@/utils/api'; |
| import type { AxiosProgressEvent } from 'axios'; |
|
|
| interface Props { |
| src: string | null | undefined; |
| className?: string; |
| instruction?: string; |
| onNewImageSelected: (imagePath: string | null) => void; |
| } |
|
|
| export default function SampleControlImage({ |
| src, |
| className, |
| instruction = 'Add Control Image', |
| onNewImageSelected, |
| }: Props) { |
| const [isUploading, setIsUploading] = useState(false); |
| const [uploadProgress, setUploadProgress] = useState(0); |
| const [localPreview, setLocalPreview] = useState<string | null>(null); |
| const fileInputRef = useRef<HTMLInputElement | null>(null); |
|
|
| const backgroundUrl = useMemo(() => { |
| if (localPreview) return localPreview; |
| if (src) return `/api/img/${encodeURIComponent(src)}`; |
| return null; |
| }, [src, localPreview]); |
|
|
| const handleUpload = useCallback( |
| async (file: File) => { |
| if (!file) return; |
| setIsUploading(true); |
| setUploadProgress(0); |
|
|
| const objectUrl = URL.createObjectURL(file); |
| setLocalPreview(objectUrl); |
|
|
| const formData = new FormData(); |
| formData.append('files', file); |
|
|
| try { |
| const resp = await apiClient.post(`/api/img/upload`, formData, { |
| headers: { 'Content-Type': 'multipart/form-data' }, |
| onUploadProgress: (evt: AxiosProgressEvent) => { |
| const total = evt.total ?? 100; |
| const loaded = evt.loaded ?? 0; |
| setUploadProgress(Math.round((loaded * 100) / total)); |
| }, |
| timeout: 0, |
| }); |
|
|
| const uploaded = resp?.data?.files?.[0] ?? null; |
| onNewImageSelected(uploaded); |
| } catch (err) { |
| console.error('Upload failed:', err); |
| setLocalPreview(null); |
| } finally { |
| setIsUploading(false); |
| setUploadProgress(0); |
| URL.revokeObjectURL(objectUrl); |
| if (fileInputRef.current) fileInputRef.current.value = ''; |
| } |
| }, |
| [onNewImageSelected], |
| ); |
|
|
| const onDrop = useCallback( |
| (acceptedFiles: File[]) => { |
| if (acceptedFiles.length === 0) return; |
| handleUpload(acceptedFiles[0]); |
| }, |
| [handleUpload], |
| ); |
|
|
| const clearImage = useCallback( |
| (e?: React.MouseEvent) => { |
| console.log('clearImage'); |
| if (e) { |
| e.stopPropagation(); |
| e.preventDefault(); |
| } |
| setLocalPreview(null); |
| onNewImageSelected(null); |
| if (fileInputRef.current) fileInputRef.current.value = ''; |
| }, |
| [onNewImageSelected], |
| ); |
|
|
| |
| const { getRootProps, isDragActive } = useDropzone({ |
| onDrop, |
| accept: { 'image/*': ['.png', '.jpg', '.jpeg', '.gif', '.bmp', '.webp'] }, |
| multiple: false, |
| noClick: true, |
| noKeyboard: true, |
| }); |
|
|
| const rootProps = getRootProps(); |
|
|
| return ( |
| <div |
| {...rootProps} |
| className={classNames( |
| 'group relative flex items-center justify-center rounded-xl cursor-pointer ring-1 ring-inset', |
| 'transition-all duration-200 select-none overflow-hidden text-center', |
| 'h-20 w-20', |
| backgroundUrl ? 'bg-gray-800 ring-gray-700' : 'bg-gradient-to-b from-gray-800 to-gray-900 ring-gray-700', |
| isDragActive ? 'outline outline-2 outline-blue-500' : 'hover:ring-gray-600', |
| className, |
| )} |
| style={ |
| backgroundUrl |
| ? { |
| backgroundImage: `url("${backgroundUrl}")`, |
| backgroundSize: 'cover', |
| backgroundPosition: 'center', |
| } |
| : undefined |
| } |
| onClick={() => !isUploading && fileInputRef.current?.click()} |
| > |
| {/* Hidden input for click-to-open */} |
| <input |
| ref={fileInputRef} |
| type="file" |
| accept="image/*" |
| className="hidden" |
| onChange={e => { |
| const file = e.currentTarget.files?.[0]; |
| if (file) handleUpload(file); |
| }} |
| /> |
| |
| {/* Empty state — centered */} |
| {!backgroundUrl && ( |
| <div className="flex flex-col items-center justify-center text-gray-300 text-center"> |
| <FaImage className="opacity-80" /> |
| <div className="mt-1 text-[10px] font-semibold tracking-wide opacity-80">{instruction}</div> |
| <div className="mt-0.5 text-[9px] opacity-60">Click or drop</div> |
| </div> |
| )} |
| |
| {/* Existing image overlays */} |
| {backgroundUrl && !isUploading && ( |
| <> |
| <div |
| className={classNames( |
| 'pointer-events-none absolute inset-0 flex items-center justify-center', |
| 'bg-black/0 group-hover:bg-black/20', |
| isDragActive && 'bg-black/35', |
| 'transition-colors', |
| )} |
| > |
| <div |
| className={classNames( |
| 'inline-flex items-center gap-1 rounded-md px-2 py-1', |
| 'text-[10px] font-semibold', |
| 'bg-black/45 text-white/90 backdrop-blur-sm', |
| 'opacity-0 group-hover:opacity-100 transition-opacity', |
| )} |
| > |
| <FaUpload className="text-[10px]" /> |
| <span>Replace</span> |
| </div> |
| </div> |
| |
| {/* Clear (X) button */} |
| <button |
| type="button" |
| onClick={clearImage} |
| title="Clear image" |
| aria-label="Clear image" |
| className={classNames( |
| 'absolute right-1.5 top-1.5 z-10 inline-flex items-center justify-center', |
| 'h-5 w-5 rounded-md bg-black/55 text-white/90', |
| 'opacity-0 group-hover:opacity-100 transition-opacity', |
| 'hover:bg-black/70', |
| )} |
| > |
| <FaTimes className="text-[10px]" /> |
| </button> |
| </> |
| )} |
|
|
| {} |
| {isUploading && ( |
| <div className="absolute inset-0 flex flex-col items-center justify-center bg-black/60 backdrop-blur-[1px] text-center"> |
| <div className="w-4/5 max-w-40"> |
| <div className="h-1.5 w-full rounded-full bg-white/15"> |
| <div |
| className="h-1.5 rounded-full bg-white/80 transition-[width]" |
| style={{ width: `${uploadProgress}%` }} |
| /> |
| </div> |
| <div className="mt-1 text-[10px] font-medium text-white/90">Uploading… {uploadProgress}%</div> |
| </div> |
| </div> |
| )} |
| </div> |
| ); |
| } |
|
|
