const CustomErrors = require(`../../utilities/errors`);
const Messaging = require(`../../utilities/messaging`);

const MetadataExtractor = require(`../../file-management/analyze`);
const Cleaner = require(`../response/simple-data`);

const MetadataRequest = class Request {
	static analyze (REQUEST, RESPONSE) {
		// Check if the file is valid.
		if (REQUEST.file) {
			// Get the file information.
			const fileInfo = new MetadataExtractor(REQUEST.file).extract([ `originalname`, `mimetype`, `size`]);
			
			const cleanedData = (new Cleaner(fileInfo)).format();
			RESPONSE.status(200).json(cleanedData);
		} else {
			// If the file is not valid, return an error.
			const ERROR = new CustomErrors.Data.Missing(REQUEST.file);
			Messaging.exception(RESPONSE, ERROR);
		};
	};
}

module.exports = MetadataRequest;