package mock.model;

import network.Messages.BoatLocation;
import network.Messages.BoatStatus;
import network.Messages.LatestMessages;
import network.Messages.RaceStatus;
import network.Utils.AC35UnitConverter;
import shared.model.CompoundMark;
import shared.model.Constants;
import shared.model.Mark;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by connortaylorbrown on 2/08/17.
 */
public class RaceServer {
    private MockRace race;
    private LatestMessages latestMessages;

    /**
     * The sequence number of the latest RaceStatus message sent or received.
     */
    private int raceStatusSequenceNumber = 1;

    /**
     * The sequence number of the latest BoatLocation message sent or received.
     */
    private int boatLocationSequenceNumber = 1;


    public RaceServer(MockRace race, LatestMessages latestMessages) {
        this.race = race;
        this.latestMessages = latestMessages;
    }


    /**
     * Parses an individual marker boat, and sends it to mockOutput.
     * @param mark The marker boat to parse.
     */
    private void parseIndividualMark(Mark mark) {
        //Create message.
        BoatLocation boatLocation = new BoatLocation(
                mark.getSourceID(),
                mark.getPosition().getLatitude(),
                mark.getPosition().getLongitude(),
                this.boatLocationSequenceNumber,
                0, 0,
                race.getRaceClock().getCurrentTimeMilli());

        //Iterates the sequence number.
        this.boatLocationSequenceNumber++;

        this.latestMessages.setBoatLocation(boatLocation);
    }

    /**
     * Parse the compound marker boats through mock output.
     */
    public void parseMarks() {
        for (CompoundMark compoundMark : race.getCompoundMarks()) {

            //Get the individual marks from the compound mark.
            Mark mark1 = compoundMark.getMark1();
            Mark mark2 = compoundMark.getMark2();

            //If they aren't null, parse them (some compound marks only have one mark).
            if (mark1 != null) {
                this.parseIndividualMark(mark1);
            }

            if (mark2 != null) {
                this.parseIndividualMark(mark2);
            }
        }
    }


    /**
     * Parse the boats in the race, and send it to mockOutput.
     */
    public void parseBoatLocations() {
        //Parse each boat.
        for (MockBoat boat : race.getBoats()) {
            this.parseIndividualBoatLocation(boat);
        }
    }

    /**
     * Parses an individual boat, and sends it to mockOutput.
     * @param boat The boat to parse.
     */
    private void parseIndividualBoatLocation(MockBoat boat) {

        BoatLocation boatLocation = new BoatLocation(
                boat.getSourceID(),
                boat.getCurrentPosition().getLatitude(),
                boat.getCurrentPosition().getLongitude(),
                this.boatLocationSequenceNumber,
                boat.getBearing().degrees(),
                boat.getCurrentSpeed(),
                race.getRaceClock().getCurrentTimeMilli());

        //Iterates the sequence number.
        this.boatLocationSequenceNumber++;

        this.latestMessages.setBoatLocation(boatLocation);

    }



    /**
     * Parses the race status, and sends it to mockOutput.
     */
    public void parseRaceStatus() {

        //A race status message contains a list of boat statuses.
        List<BoatStatus> boatStatuses = new ArrayList<>();

        //Add each boat status to the status list.
        for (MockBoat boat : race.getBoats()) {

            BoatStatus boatStatus = new BoatStatus(
                    boat.getSourceID(),
                    boat.getStatus(),
                    boat.getCurrentLeg().getLegNumber(),
                    boat.getEstimatedTimeAtNextMark().toInstant().toEpochMilli() );

            boatStatuses.add(boatStatus);
        }


        //Convert wind direction and speed to ints. //TODO this conversion should be done inside the racestatus class.
        int windDirectionInt = AC35UnitConverter.encodeHeading(race.getWindDirection().degrees());
        int windSpeedInt = (int) (race.getWindSpeed() * Constants.KnotsToMMPerSecond);

        //Create race status object, and send it.
        RaceStatus raceStatus = new RaceStatus(
                System.currentTimeMillis(),
                race.getRaceId(),
                race.getRaceStatusEnum().getValue(),
                race.getRaceClock().getStartingTimeMilli(),
                windDirectionInt,
                windSpeedInt,
                race.getRaceType().getValue(),
                boatStatuses);

        this.latestMessages.setRaceStatus(raceStatus);
    }
}