generate-map.ts•2.19 kB
/**
* API endpoint to generate crop classification maps
*/
import type { NextApiRequest, NextApiResponse } from 'next';
import ee from '@google/earthengine';
import { addMapSession } from '../../src/lib/global-store';
import { execute } from '../../src/mcp/tools/consolidated/crop_classification';
import { initEarthEngineWithSA } from '../../src/gee/client';
// Initialize Earth Engine once for the server
let eeInitialized = false;
async function ensureEEInitialized() {
if (!eeInitialized) {
await initEarthEngineWithSA();
eeInitialized = true;
console.log('Earth Engine initialized for API');
}
}
export default async function handler(
req: NextApiRequest,
res: NextApiResponse
) {
if (req.method !== 'POST') {
return res.status(405).json({ error: 'Method not allowed' });
}
try {
// Initialize EE if needed
await ensureEEInitialized();
// Get parameters from request body
const {
region = 'Iowa',
startDate = '2024-06-01',
endDate = '2024-08-31',
classifier = 'randomForest'
} = req.body;
console.log(`Generating map for ${region}...`);
// Execute crop classification
const result = await execute({
operation: 'classify',
region: region,
startDate: startDate,
endDate: endDate,
classifier: classifier,
createMap: true
});
if (!result.success) {
return res.status(500).json({
error: result.error || 'Classification failed'
});
}
// The map session should already be stored by the execute function
// Return the result with map URL
return res.status(200).json({
success: true,
mapId: result.map?.url?.split('/').pop(),
mapUrl: result.map?.url,
region: result.region,
classes: result.numberOfClasses,
classDefinitions: result.classDefinitions,
legend: result.map?.legend,
message: `Map generated for ${region} with ${result.numberOfClasses} classes`
});
} catch (error: any) {
console.error('Error generating map:', error);
return res.status(500).json({
error: error.message || 'Failed to generate map'
});
}
}