Files
automaker/apps/app/src/components/ui/feature-image-upload.tsx

311 lines
9.3 KiB
TypeScript

"use client";
import React, { useState, useRef, useCallback } from "react";
import { cn } from "@/lib/utils";
import { ImageIcon, X, Upload } from "lucide-react";
export interface FeatureImage {
id: string;
data: string; // base64 encoded
mimeType: string;
filename: string;
size: number;
}
interface FeatureImageUploadProps {
images: FeatureImage[];
onImagesChange: (images: FeatureImage[]) => void;
maxFiles?: number;
maxFileSize?: number; // in bytes, default 10MB
className?: string;
disabled?: boolean;
}
const ACCEPTED_IMAGE_TYPES = [
"image/jpeg",
"image/jpg",
"image/png",
"image/gif",
"image/webp",
];
const DEFAULT_MAX_FILE_SIZE = 10 * 1024 * 1024; // 10MB
export function FeatureImageUpload({
images,
onImagesChange,
maxFiles = 5,
maxFileSize = DEFAULT_MAX_FILE_SIZE,
className,
disabled = false,
}: FeatureImageUploadProps) {
const [isDragOver, setIsDragOver] = useState(false);
const [isProcessing, setIsProcessing] = useState(false);
const fileInputRef = useRef<HTMLInputElement>(null);
const fileToBase64 = (file: File): Promise<string> => {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => {
if (typeof reader.result === "string") {
resolve(reader.result);
} else {
reject(new Error("Failed to read file as base64"));
}
};
reader.onerror = () => reject(new Error("Failed to read file"));
reader.readAsDataURL(file);
});
};
const processFiles = useCallback(
async (files: FileList) => {
if (disabled || isProcessing) return;
setIsProcessing(true);
const newImages: FeatureImage[] = [];
const errors: string[] = [];
for (const file of Array.from(files)) {
// Validate file type
if (!ACCEPTED_IMAGE_TYPES.includes(file.type)) {
errors.push(
`${file.name}: Unsupported file type. Please use JPG, PNG, GIF, or WebP.`
);
continue;
}
// Validate file size
if (file.size > maxFileSize) {
const maxSizeMB = maxFileSize / (1024 * 1024);
errors.push(
`${file.name}: File too large. Maximum size is ${maxSizeMB}MB.`
);
continue;
}
// Check if we've reached max files
if (newImages.length + images.length >= maxFiles) {
errors.push(`Maximum ${maxFiles} images allowed.`);
break;
}
try {
const base64 = await fileToBase64(file);
const imageAttachment: FeatureImage = {
id: `img-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
data: base64,
mimeType: file.type,
filename: file.name,
size: file.size,
};
newImages.push(imageAttachment);
} catch (error) {
errors.push(`${file.name}: Failed to process image.`);
}
}
if (errors.length > 0) {
console.warn("Image upload errors:", errors);
}
if (newImages.length > 0) {
onImagesChange([...images, ...newImages]);
}
setIsProcessing(false);
},
[disabled, isProcessing, images, maxFiles, maxFileSize, onImagesChange]
);
const handleDrop = useCallback(
(e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setIsDragOver(false);
if (disabled) return;
const files = e.dataTransfer.files;
if (files.length > 0) {
processFiles(files);
}
},
[disabled, processFiles]
);
const handleDragOver = useCallback(
(e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
if (!disabled) {
setIsDragOver(true);
}
},
[disabled]
);
const handleDragLeave = useCallback((e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setIsDragOver(false);
}, []);
const handleFileSelect = useCallback(
(e: React.ChangeEvent<HTMLInputElement>) => {
const files = e.target.files;
if (files && files.length > 0) {
processFiles(files);
}
// Reset the input so the same file can be selected again
if (fileInputRef.current) {
fileInputRef.current.value = "";
}
},
[processFiles]
);
const handleBrowseClick = useCallback(() => {
if (!disabled && fileInputRef.current) {
fileInputRef.current.click();
}
}, [disabled]);
const removeImage = useCallback(
(imageId: string) => {
onImagesChange(images.filter((img) => img.id !== imageId));
},
[images, onImagesChange]
);
const clearAllImages = useCallback(() => {
onImagesChange([]);
}, [onImagesChange]);
const formatFileSize = (bytes: number): string => {
if (bytes === 0) return "0 B";
const k = 1024;
const sizes = ["B", "KB", "MB", "GB"];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + " " + sizes[i];
};
return (
<div className={cn("relative", className)}>
{/* Hidden file input */}
<input
ref={fileInputRef}
type="file"
multiple
accept={ACCEPTED_IMAGE_TYPES.join(",")}
onChange={handleFileSelect}
className="hidden"
disabled={disabled}
data-testid="feature-image-input"
/>
{/* Drop zone */}
<div
onDrop={handleDrop}
onDragOver={handleDragOver}
onDragLeave={handleDragLeave}
onClick={handleBrowseClick}
className={cn(
"relative rounded-lg border-2 border-dashed transition-all duration-200 cursor-pointer",
{
"border-blue-400 bg-blue-50 dark:bg-blue-950/20":
isDragOver && !disabled,
"border-muted-foreground/25": !isDragOver && !disabled,
"border-muted-foreground/10 opacity-50 cursor-not-allowed": disabled,
"hover:border-blue-400 hover:bg-blue-50/50 dark:hover:bg-blue-950/10":
!disabled && !isDragOver,
}
)}
data-testid="feature-image-dropzone"
>
<div className="flex flex-col items-center justify-center p-4 text-center">
<div
className={cn(
"rounded-full p-2 mb-2",
isDragOver && !disabled
? "bg-blue-100 dark:bg-blue-900/30"
: "bg-muted"
)}
>
{isProcessing ? (
<Upload className="h-5 w-5 animate-spin text-muted-foreground" />
) : (
<ImageIcon className="h-5 w-5 text-muted-foreground" />
)}
</div>
<p className="text-sm text-muted-foreground">
{isDragOver && !disabled
? "Drop images here"
: "Click or drag images here"}
</p>
<p className="text-xs text-muted-foreground mt-1">
Up to {maxFiles} images, max{" "}
{Math.round(maxFileSize / (1024 * 1024))}MB each
</p>
</div>
</div>
{/* Image previews */}
{images.length > 0 && (
<div className="mt-3 space-y-2" data-testid="feature-image-previews">
<div className="flex items-center justify-between">
<p className="text-xs font-medium text-foreground">
{images.length} image{images.length > 1 ? "s" : ""} selected
</p>
<button
type="button"
onClick={clearAllImages}
className="text-xs text-muted-foreground hover:text-foreground"
disabled={disabled}
>
Clear all
</button>
</div>
<div className="flex flex-wrap gap-2">
{images.map((image) => (
<div
key={image.id}
className="relative group rounded-md border border-muted bg-muted/50 overflow-hidden"
data-testid={`feature-image-preview-${image.id}`}
>
{/* Image thumbnail */}
<div className="w-16 h-16 flex items-center justify-center">
<img
src={image.data}
alt={image.filename}
className="max-w-full max-h-full object-contain"
/>
</div>
{/* Remove button */}
{!disabled && (
<button
type="button"
onClick={(e) => {
e.stopPropagation();
removeImage(image.id);
}}
className="absolute top-0.5 right-0.5 p-0.5 rounded-full bg-destructive text-destructive-foreground opacity-0 group-hover:opacity-100 transition-opacity"
data-testid={`remove-image-${image.id}`}
>
<X className="h-3 w-3" />
</button>
)}
{/* Filename tooltip on hover */}
<div className="absolute bottom-0 left-0 right-0 bg-black/60 px-1 py-0.5 opacity-0 group-hover:opacity-100 transition-opacity">
<p className="text-[10px] text-white truncate">
{image.filename}
</p>
</div>
</div>
))}
</div>
</div>
)}
</div>
);
}