package unsw.blackout;

import java.util.Optional;

import unsw.utils.Angle;

public class RelaySatellite extends SatelliteBase {
    public RelaySatellite(String satelliteID, double height, Angle position) {
        super(satelliteID, height, position);
    }

    @ Override
    final public double getVelocity() {
        return 1_500.0;
    }
    @ Override
    final public double getRange() {
        return 300_000.0;
    }

    /**
     * Relay satellites oscillate between 140 and 90 degrees, so we override move to incorporate this behaviour.
     */
    private boolean is_counterclockwise = true;
    @ Override
    final public void move() {
        double current = this.getAngle().toDegrees();
        
        if (current < 140.0 || current > 190.0) {
            if (current > 190.0 && current < 345.0) {
                is_counterclockwise = false;
            } else {
                is_counterclockwise = true;
            }
        }

        double offset = this.getMoveOffsetRadians();
        double rposition = (this.getAngle().toRadians() + (is_counterclockwise ? offset : -offset)) % Math.toRadians(360.0);
        setAngle(Angle.fromRadians(rposition + (rposition < 0 ? Math.toRadians(360.0) : 0)));
    }

    @ Override
    final protected boolean isSupportedDeviceType(String type) {
        return true; // Supports all devices!
    }
    @ Override 
    final protected boolean canRelay() {
        return true;
    }
    @ Override
    final protected Optional<Integer> getFileStoreLimit() {
        return Optional.of(0); // Cannot store any files!
    }
    @ Override
    final protected Optional<Integer> getByteStoreLimit() {
        return Optional.of(0); // Cannot store any bytes!
    }
    @ Override
    final protected Optional<Integer> getByteDownloadSpeed() {
        return Optional.empty(); // Infinite download speed
    }
    @ Override
    final protected Optional<Integer> getByteUploadSpeed() {
        return Optional.empty(); // Infinite upload speed.
    }
}