module.exports = function (key, client) { let foundStations = []; if (!key) return false; const probabilityIncrement = 100 / key.split(' ').length / 2; for (let i = 0; i < key.split(' ').length; i++) { client.stations.filter(x => x.name.toUpperCase().includes(key.split(' ')[i].toUpperCase()) || x === key).forEach(x => foundStations.push({ station: x, name: x.name, probability: probabilityIncrement })); } if (foundStations.length === 0) return false; for (let i = 0; i < foundStations.length; i++) { for (let j = 0; j < foundStations.length; j++) { if (foundStations[i] === foundStations[j] && i !== j) foundStations.splice(i, 1); } } for (let i = 0; i < foundStations.length; i++) { if (foundStations[i].name.length > key.length) { foundStations[i].probability -= (foundStations[i].name.split(' ').length - key.split(' ').length) * (probabilityIncrement * 0.5); } else if (foundStations[i].name.length === key.length) { foundStations[i].probability += (probabilityIncrement * 0.9); } for (let j = 0; j < key.split(' ').length; j++) { if (!foundStations[i].name.toUpperCase().includes(key.toUpperCase().split(' ')[j])) { foundStations[i].probability -= (probabilityIncrement * 0.5); } } } let highestProbabilityStation; for (let i = 0; i < foundStations.length; i++) { if (!highestProbabilityStation || highestProbabilityStation.probability < foundStations[i].probability) highestProbabilityStation = foundStations[i]; if (highestProbabilityStation && highestProbabilityStation.probability === foundStations[i].probability) { highestProbabilityStation = foundStations[i].station; } } return highestProbabilityStation; };