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import { useState, useRef } from 'react';
import { Button } from '@/components/ui/button';
import { Card } from '@/components/ui/card';
import { Sparkles, Upload, X, Loader2, Download, RefreshCw } from 'lucide-react';
import { API_BASE } from '@/lib/api';
interface TryItOnModalProps {
isOpen: boolean;
onClose: () => void;
productName: string;
productCategory: string;
productImage?: string;
}
export function TryItOnModal({ isOpen, onClose, productName, productCategory, productImage }: TryItOnModalProps) {
const [userImage, setUserImage] = useState<string | null>(null);
const [generating, setGenerating] = useState(false);
const [resultImage, setResultImage] = useState<string | null>(null);
const [error, setError] = useState('');
const fileInputRef = useRef<HTMLInputElement>(null);
if (!isOpen) return null;
const handleImageUpload = (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (!file) return;
if (file.size > 5 * 1024 * 1024) {
setError('Image too large. Max 5MB.');
return;
}
const reader = new FileReader();
reader.onloadend = () => {
setUserImage(reader.result as string);
setResultImage(null);
setError('');
};
reader.readAsDataURL(file);
};
const generate = async () => {
if (!userImage) return;
setGenerating(true);
setError('');
setResultImage(null);
try {
// Build a contextual prompt based on the product category
let prompt = '';
const cat = (productCategory || '').toLowerCase();
if (cat.includes('fashion') || cat.includes('clothing')) {
prompt = `A person wearing ${productName}, photorealistic, commercial fashion photography, full body shot, studio lighting, the person is posing naturally wearing this outfit`;
} else if (cat.includes('beauty') || cat.includes('cosmetic')) {
prompt = `A person applying/wearing ${productName}, photorealistic, beauty editorial photography, close-up face shot, studio lighting, natural makeup look`;
} else if (cat.includes('accessor') || cat.includes('watch') || cat.includes('jewelry') || cat.includes('bag')) {
prompt = `A person holding/wearing ${productName}, photorealistic, commercial product photography, the person is showcasing the product naturally, studio lighting`;
} else if (cat.includes('shoe') || cat.includes('sneaker')) {
prompt = `A person wearing ${productName} on their feet, photorealistic, commercial photography, full body shot showing the shoes, studio lighting`;
} else if (cat.includes('phone') || cat.includes('electronic') || cat.includes('gadget')) {
prompt = `A person holding ${productName} in their hand, photorealistic, commercial product photography, natural pose, studio lighting`;
} else {
prompt = `A person with ${productName}, photorealistic, commercial photography, natural pose, studio lighting, high quality`;
}
const resp = await fetch(`${API_BASE}/api/try-on`, {
credentials: 'include',
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
userImage,
productPrompt: prompt,
productName,
productCategory,
}),
});
const data = await resp.json();
if (data.success && data.image) {
setResultImage(data.image);
} else {
setError(data.error || 'Generation failed. Please try again.');
}
} catch (err) {
setError('Network error. Please try again.');
}
setGenerating(false);
};
const reset = () => {
setUserImage(null);
setResultImage(null);
setError('');
};
return (
<div className="fixed inset-0 z-[100] bg-black/60 flex items-center justify-center p-4" onClick={onClose}>
<Card
className="w-full max-w-md bg-white rounded-3xl overflow-hidden shadow-2xl"
onClick={(e) => e.stopPropagation()}
>
{/* Header */}
<div className="flex items-center justify-between p-4 border-b border-white/5">
<div className="flex items-center gap-2">
<div className="w-8 h-8 rounded-full bg-black flex items-center justify-center">
<Sparkles className="w-4 h-4 text-white" />
</div>
<div>
<h2 className="font-bold text-sm">Try It On</h2>
<p className="text-[10px] text-slate-500">AI-powered virtual try-on</p>
</div>
</div>
<button onClick={onClose} className="w-8 h-8 rounded-full hover:bg-slate-100 flex items-center justify-center">
<X className="w-4 h-4" />
</button>
</div>
{/* Body */}
<div className="p-4 space-y-4 max-h-[70vh] overflow-y-auto">
{/* Product context */}
<div className="flex items-center gap-3 bg-slate-50 rounded-xl p-3">
{productImage && (
<img src={productImage} alt={productName} className="w-12 h-12 rounded-lg object-cover" />
)}
<div className="flex-1 min-w-0">
<div className="font-bold text-sm truncate">{productName}</div>
<div className="text-xs text-slate-500">{productCategory}</div>
</div>
</div>
{/* Result image (if generated) */}
{resultImage && (
<div className="relative">
<img src={resultImage} alt="Try-on result" className="w-full rounded-2xl" />
<div className="flex gap-2 mt-2">
<Button onClick={reset} variant="outline" className="flex-1 text-xs">
<RefreshCw className="w-3 h-3 mr-1" /> Try Again
</Button>
<a
href={resultImage}
download={`try-on-${productName}.png`}
className="flex-1"
>
<Button className="w-full bg-black text-white text-xs">
<Download className="w-3 h-3 mr-1" /> Save Image
</Button>
</a>
</div>
</div>
)}
{/* Upload area (when no result) */}
{!resultImage && (
<>
{userImage ? (
<div className="relative">
<img src={userImage} alt="Your photo" className="w-full rounded-2xl max-h-64 object-cover" />
<button
onClick={() => setUserImage(null)}
className="absolute top-2 right-2 w-8 h-8 rounded-full bg-black/60 flex items-center justify-center"
>
<X className="w-4 h-4 text-white" />
</button>
</div>
) : (
<button
onClick={() => fileInputRef.current?.click()}
className="w-full border-2 border-dashed border-slate-300 rounded-2xl p-8 hover:border-black transition-colors flex flex-col items-center gap-2"
>
<div className="w-12 h-12 rounded-full bg-slate-100 flex items-center justify-center">
<Upload className="w-6 h-6 text-slate-400" />
</div>
<span className="text-sm font-bold text-slate-700">Upload your photo</span>
<span className="text-xs text-slate-400">Clear face photo works best</span>
</button>
)}
<input
ref={fileInputRef}
type="file"
accept="image/*"
className="hidden"
onChange={handleImageUpload}
/>
{error && (
<div className="bg-red-50 text-red-600 text-xs p-3 rounded-lg">{error}</div>
)}
{userImage && !generating && (
<Button onClick={generate} className="w-full bg-black text-white h-12">
<Sparkles className="w-4 h-4 mr-2" />
Generate Try-On
</Button>
)}
{generating && (
<div className="flex flex-col items-center justify-center py-8">
<Loader2 className="w-8 h-8 animate-spin text-black mb-3" />
<p className="text-sm font-bold">Generating your try-on...</p>
<p className="text-xs text-slate-500 mt-1">This takes ~10-15 seconds</p>
</div>
)}
</>
)}
{/* Privacy note */}
<p className="text-[10px] text-slate-400 text-center">
Your photo is processed securely and not stored. Results are AI-generated.
</p>
</div>
</Card>
</div>
);
}
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