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import { useState, useRef } from 'react';
import Image from 'next/image';
import { Upload, X, Image as ImageIcon } from 'lucide-react';
interface ImageUploadProps {
images: string[];
onImagesChange: (images: string[]) => void;
maxImages?: number;
}
export const ImageUpload: React.FC<ImageUploadProps> = ({
images,
onImagesChange,
maxImages = 10
}) => {
const [isDragging, setIsDragging] = useState(false);
const [uploading, setUploading] = useState(false);
const [uploadProgress, setUploadProgress] = useState<{ [key: string]: number }>({});
const fileInputRef = useRef<HTMLInputElement>(null);
const handleDragOver = (e: React.DragEvent) => {
e.preventDefault();
setIsDragging(true);
};
const handleDragLeave = (e: React.DragEvent) => {
e.preventDefault();
setIsDragging(false);
};
const handleDrop = async (e: React.DragEvent) => {
e.preventDefault();
setIsDragging(false);
const files = Array.from(e.dataTransfer.files).filter((file: File) =>
file.type.startsWith('image/')
);
if (files.length > 0) {
await uploadFiles(files as File[]);
}
};
const handleFileSelect = async (e: React.ChangeEvent<HTMLInputElement>) => {
const files = Array.from(e.target.files || []) as File[];
if (files.length > 0) {
await uploadFiles(files);
}
// Reset input
if (fileInputRef.current) {
fileInputRef.current.value = '';
}
};
const uploadFiles = async (files: File[]) => {
if (images.length + files.length > maxImages) {
alert(`Maksimi ${maxImages} kuvaa sallittu`);
return;
}
setUploading(true);
const newImages: string[] = [];
for (const file of files) {
try {
setUploadProgress(prev => ({ ...prev, [file.name]: 0 }));
const formData = new FormData();
formData.append('file', file);
const res = await fetch('/api/admin/upload', {
method: 'POST',
body: formData,
});
setUploadProgress(prev => ({ ...prev, [file.name]: 50 }));
const data = await res.json();
if (data.url) {
newImages.push(data.url);
setUploadProgress(prev => ({ ...prev, [file.name]: 100 }));
} else if (data.error) {
alert(`Virhe ladattaessa ${file.name}: ${data.error}`);
}
} catch (error) {
console.error('Upload error:', error);
alert(`Virhe ladattaessa ${file.name}`);
}
}
onImagesChange([...images, ...newImages]);
setUploading(false);
setUploadProgress({});
};
const removeImage = (index: number) => {
const newImages = images.filter((_, i) => i !== index);
onImagesChange(newImages);
};
return (
<div className="space-y-4">
<label className="block text-sm font-medium mb-2">
Kuvat ({images.length}/{maxImages})
</label>
{/* Image Preview Grid */}
{images.length > 0 && (
<div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 gap-4 mb-4">
{images.map((img, idx) => (
<div key={idx} className="relative group">
<div className="relative w-full h-32 overflow-hidden rounded-lg border-2 border-gray-200">
<Image
src={img}
alt={`Product ${idx + 1}`}
fill
sizes="(max-width: 640px) 50vw, (max-width: 768px) 33vw, 25vw"
className="object-cover"
/>
</div>
<button
onClick={() => removeImage(idx)}
className="absolute -top-2 -right-2 bg-red-500 text-white rounded-full p-1 opacity-0 group-hover:opacity-100 transition-opacity"
type="button"
>
<X size={16} />
</button>
{idx === 0 && (
<div className="absolute bottom-0 left-0 right-0 bg-black bg-opacity-50 text-white text-xs py-1 px-2 rounded-b-lg text-center">
Pääkuva
</div>
)}
</div>
))}
</div>
)}
{/* Upload Progress */}
{Object.keys(uploadProgress).length > 0 && (
<div className="space-y-2">
{Object.entries(uploadProgress).map(([name, progress]) => (
<div key={name} className="flex items-center gap-2">
<div className="flex-1 bg-gray-200 rounded-full h-2">
<div
className="bg-black h-2 rounded-full transition-all"
style={{ width: `${progress}%` }}
/>
</div>
<span className="text-xs text-gray-600">{Math.round(progress)}%</span>
</div>
))}
</div>
)}
{/* Drag & Drop Area */}
{images.length < maxImages && (
<div
onDragOver={handleDragOver}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
onClick={() => fileInputRef.current?.click()}
className={`
border-2 border-dashed rounded-xl p-8 text-center cursor-pointer
transition-all duration-200
${isDragging
? 'border-black bg-gray-50 scale-105'
: 'border-gray-300 hover:border-gray-400 hover:bg-gray-50'
}
${uploading ? 'opacity-50 cursor-not-allowed' : ''}
`}
>
<input
ref={fileInputRef}
type="file"
accept="image/*"
multiple
onChange={handleFileSelect}
className="hidden"
disabled={uploading}
/>
<div className="flex flex-col items-center gap-3">
{uploading ? (
<>
<div className="animate-spin rounded-full h-12 w-12 border-b-2 border-black"></div>
<p className="text-sm text-gray-600">Ladataan kuvia...</p>
</>
) : (
<>
<div className="bg-gray-100 p-4 rounded-full">
<Upload size={32} className="text-gray-600" />
</div>
<div>
<p className="text-sm font-medium text-gray-900">
Raahaa kuvia tähän tai klikkaa valitaksesi
</p>
<p className="text-xs text-gray-500 mt-1">
PNG, JPG, GIF, WEBP (max 5MB per kuva)
</p>
<p className="text-xs text-gray-400 mt-1">
Voit valita useita kuvia kerralla
</p>
</div>
</>
)}
</div>
</div>
)}
{/* Tips */}
<div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
<div className="flex gap-2">
<ImageIcon size={16} className="text-blue-600 mt-0.5 flex-shrink-0" />
<div className="text-xs text-blue-800">
<p className="font-medium">Vinkit:</p>
<ul className="mt-1 space-y-1 list-disc list-inside">
<li>Ensimmäinen kuva näytetään pääkuvana</li>
<li>Suositellaan vähintään 800x800px kokoa</li>
</ul>
</div>
</div>
</div>
</div>
);
};
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