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import React, { useState } from 'react';
import { Search as SearchIcon, ExternalLink, FileText, Loader2 } from 'lucide-react';
import api from '../services/api';
import AlgorithmCard from '../components/AlgorithmCard';
interface SearchResult {
algorithm: string;
name: string;
category: string;
description: string;
count: number;
sampleIds: string[];
}
interface SearchResponse {
problem: string;
totalAlgorithms: number;
results: SearchResult[];
allResults: SearchResult[];
}
const Search: React.FC = () => {
const [problem, setProblem] = useState('');
const [results, setResults] = useState<SearchResponse | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const handleSearch = async (e: React.FormEvent) => {
e.preventDefault();
if (!problem.trim()) return;
try {
setLoading(true);
setError(null);
const response = await api.post('/search/problem', { problem: problem.trim() });
setResults(response.data);
} catch (err) {
setError('Failed to search for algorithms. Please try again.');
} finally {
setLoading(false);
}
};
const handleSeeMorePapers = async (algorithm: string) => {
try {
const response = await api.get('/search/pubmed-link', {
params: { problem, algorithm }
});
window.open(response.data.url, '_blank');
} catch (err) {
console.error('Failed to generate PubMed link:', err);
}
};
return (
<div className="max-w-6xl mx-auto space-y-8">
<div className="text-center">
<h1 className="text-4xl font-bold text-gray-900 mb-2">
Algorithm Search
</h1>
<p className="text-xl text-gray-600">
Search for AI algorithms used in specific medical problems
</p>
</div>
<div className="bg-white p-6 rounded-lg shadow-lg">
<form onSubmit={handleSearch} className="space-y-4">
<div>
<label htmlFor="problem" className="block text-sm font-medium text-gray-700 mb-2">
Medical Problem or Condition
</label>
<div className="relative">
<input
type="text"
id="problem"
value={problem}
onChange={(e) => setProblem(e.target.value)}
placeholder="e.g., breast cancer detection, diabetes prediction, alzheimer's disease"
className="w-full px-4 py-3 pl-10 border border-gray-300 rounded-md focus:ring-blue-500 focus:border-blue-500"
disabled={loading}
/>
<SearchIcon className="absolute left-3 top-3.5 h-5 w-5 text-gray-400" />
</div>
</div>
<button
type="submit"
disabled={loading || !problem.trim()}
className="w-full bg-blue-600 text-white py-3 px-4 rounded-md hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center"
>
{loading ? (
<>
<Loader2 className="animate-spin h-5 w-5 mr-2" />
Searching...
</>
) : (
<>
<SearchIcon className="h-5 w-5 mr-2" />
Search Algorithms
</>
)}
</button>
</form>
</div>
{error && (
<div className="bg-red-50 border border-red-200 rounded-md p-4">
<p className="text-red-800">{error}</p>
</div>
)}
{results && (
<div className="space-y-6">
<div className="bg-white p-6 rounded-lg shadow-lg">
<h2 className="text-2xl font-bold text-gray-900 mb-2">
Results for "{results.problem}"
</h2>
<p className="text-gray-600">
Found {results.results.length} algorithms with published research
</p>
</div>
{results.results.length > 0 ? (
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 auto-rows-fr">
{results.results.map((result) => (
<AlgorithmCard
key={result.algorithm}
algorithm={result}
problem={results.problem}
onSeeMorePapers={handleSeeMorePapers}
/>
))}
</div>
) : (
<div className="bg-gray-50 p-8 rounded-lg text-center">
<FileText className="h-12 w-12 text-gray-400 mx-auto mb-4" />
<h3 className="text-lg font-medium text-gray-900 mb-2">No Results Found</h3>
<p className="text-gray-600">
No algorithms found for this medical problem. Try searching with different terms.
</p>
</div>
)}
{results.allResults.some(r => r.count === 0) && (
<div className="bg-white p-6 rounded-lg shadow-lg">
<h3 className="text-lg font-medium text-gray-900 mb-4">
Algorithms with No Results
</h3>
<div className="grid grid-cols-2 md:grid-cols-4 gap-2">
{results.allResults
.filter(r => r.count === 0)
.map(result => (
<span
key={result.algorithm}
className="px-3 py-1 bg-gray-100 text-gray-600 rounded-full text-sm"
>
{result.name}
</span>
))}
</div>
</div>
)}
</div>
)}
</div>
);
};
export default Search; |