"use strict";

import { normalise, clamp } from '../Helpers/Math.mjs';

class DatasetFetcher {
	constructor({ settings, RSSIRepo }) {
		this.settings = settings;
		this.repo_rssi = RSSIRepo;
	}
	
	fetch(gateway_id) {
		let result = [];
		for(let rssi of this.repo_rssi.iterate_gateway(gateway_id) {
			result.push({
				input: [
					normalise(rssi.latitude,
						{ min: -90, max: +90 },
						{ min: 0, max: 1 }
					),
					normalise(rssi.longitude,
						{ min: -180, max: +180 },
						{ min: 0, max: 1 }
					)
				],
				output: [
					clamp(normalise(rssis.rssi,
						{ min: this.settings.ai.rssi_min, max: this.settings.ai.rssi_max },
						{ min: 0, max: 1 }
					), 0, 1)
				]
			});
		}
		return result;
	}
}

export default DatasetFetcher;