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import { useDropzone } from "react-dropzone";
import {
apiClient,
SpectrumData,
ComparisonResult,
ModelInfo,
PredictionResult,
} from "../apiClient";
import SpectrumChart from "./SpectrumChart";
import ResultsDisplay from "./ResultsDisplay"; // We'll reuse parts of this component's display logic
import "../static/style.css";
interface ModelComparisonProps {
modality: "raman" | "ftir";
}
const ModelComparison: React.FC<ModelComparisonProps> = ({ modality }) => {
const [spectrum, setSpectrum] = useState<SpectrumData | null>(null);
const [comparisonResult, setComparisonResult] =
useState<ComparisonResult | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [availableModels, setAvailableModels] = useState<ModelInfo[]>([]);
const [selectedModels, setSelectedModels] = useState<string[]>([]);
useEffect(() => {
const fetchModels = async () => {
try {
const models = await apiClient.getModels();
const available = models.filter((m) => m.available);
setAvailableModels(available);
// Default to selecting the first two models for comparison
setSelectedModels(available.slice(0, 2).map((m) => m.name));
} catch (err) {
setError("Failed to fetch available models.");
}
};
fetchModels();
}, []);
const onDrop = useCallback(async (acceptedFiles: File[]) => {
if (acceptedFiles.length === 0) return;
const file = acceptedFiles[0];
setError(null);
setLoading(true);
try {
const uploadedSpectrum = await apiClient.uploadSpectrum(file);
setSpectrum(uploadedSpectrum);
setComparisonResult(null); // Clear previous results on new upload
} catch (err) {
setError(err instanceof Error ? err.message : "Failed to upload file");
} finally {
setLoading(false);
}
}, []);
const handleToggleModel = (modelName: string) => {
setSelectedModels((prev) =>
prev.includes(modelName)
? prev.filter((m) => m !== modelName)
: [...prev, modelName]
);
};
const handleCompare = async () => {
if (!spectrum) {
setError("Please upload a spectrum file first.");
return;
}
if (selectedModels.length < 2) {
setError("Please select at least two models to compare.");
return;
}
setError(null);
setLoading(true);
try {
const result = await apiClient.compareModels({
spectrum: spectrum,
modality: modality,
model_names: selectedModels,
include_provenance: true, // Add this property
});
setComparisonResult(result);
} catch (err) {
setError(
err instanceof Error ? err.message : "Comparison analysis failed."
);
} finally {
setLoading(false);
}
};
const { getRootProps, getInputProps, isDragActive } = useDropzone({ onDrop });
return (
<div className="analysis-layout">
{/* --- LEFT COLUMN (CONTROLS) --- */}
<div className="analysis-column">
<div className="card">
<h3 className="card__title">1. Upload Spectrum</h3>
<div
{...getRootProps()}
className={`dropzone ${isDragActive ? "dropzone--active" : ""}`}
>
<input {...getInputProps()} />
<div className="dropzone-content">
<span className="dropzone-icon">📤</span>
<p className="dropzone__text">
{isDragActive
? "Drop file to upload"
: "Drag & drop, or click to select"}
</p>
</div>
</div>
{spectrum && (
<div className="spectrum-info">
<p>
<strong>Loaded:</strong> {spectrum.filename || "Unknown"}
</p>
</div>
)}
</div>
<div className="card">
<h3 className="card__title">2. Select Models to Compare</h3>
<div className="checkbox-grid">
{availableModels.map((model) => (
<label key={model.name} className="checkbox-label">
<input
type="checkbox"
checked={selectedModels.includes(model.name)}
onChange={() => handleToggleModel(model.name)}
/>
<span className="checkbox-custom"></span>
{model.display_name || model.name}
</label>
))}
</div>
</div>
<div className="card">
<h3 className="card__title">3. Run Comparison</h3>
<div className="button-group">
<button
onClick={handleCompare}
disabled={loading || !spectrum || selectedModels.length < 2}
className="btn btn--primary"
>
{loading ? "Comparing..." : "Compare Models"}
</button>
</div>
{error && (
<div className="error-message" style={{ marginTop: "1rem" }}>
{error}
</div>
)}
</div>
</div>
{/* --- RIGHT COLUMN (RESULTS) --- */}
<div className="analysis-column">
<div className="card">
<h3 className="card__title">Comparison Results</h3>
{loading && (
<div className="loading-indicator">
<div className="spinner"></div>
<span>Running comparison analysis...</span>
</div>
)}
{comparisonResult ? (
<div className="comparison-results-container">
<div className="comparison-summary">
<h4>Best Performing Model</h4>
{comparisonResult.model_results && (
<p>
<strong>
{
Object.entries(comparisonResult.model_results).reduce(
(best, [modelName, res]) =>
res.confidence > best.confidence
? { modelName, confidence: res.confidence }
: best,
{ modelName: "Unknown", confidence: 0 }
).modelName
}
</strong>{" "}
with a confidence of{" "}
<strong>
{(
Object.entries(comparisonResult.model_results).reduce(
(best, [_, res]) =>
res.confidence > best ? res.confidence : best,
0
) * 100
).toFixed(1)}
%
</strong>
.
</p>
)}
</div>
<div className="comparison-grid">
{comparisonResult.model_results &&
Object.entries(comparisonResult.model_results).map(
([modelName, res]) => (
<div key={modelName} className="comparison-card">
<div className="results-wrapper">
<header className="results-header">
<div className="confidence-display">
<span className="confidence-display__label">
{modelName}
</span>
<span className="confidence-display__value">
{(res.confidence * 100).toFixed(1)}%
</span>
</div>
<div className="confidence-bar">
<div
className="confidence-bar__fill"
style={{
width: `${(res.confidence * 100).toFixed(1)}%`,
}}
/>
</div>
</header>
</div>
</div>
)
)}
</div>
</div>
) : (
!loading && (
<div className="placeholder">
<p>
Upload a spectrum and select models to see comparison results.
</p>
</div>
)
)}
</div>
</div>
</div>
);
};
export default ModelComparison;
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