//for all arrays, index 0 is driver's side, index 1 is passenger's side

public class Climate {
    private int[] targetTemp; //array to store temp preference entered by user
    private int[] currentTemp; //stores current internal temp from last check
    private int externalTemp; //stores current external temp from last check
    private boolean[] coolingActive; //whether cooling is toggled on (true) or off (false)
    private boolean[] heatingActive; //whether heating is toggled on (true) or off (false)
    public enum fanLevels {OFF, LOW, MED, HI}; //standardization of fan levels
    fanLevels[] fanSpeed; //array to store fan speeds, zones match temp indices

    public void setTargetTemp(int driverZone, int passengerZone) {
        //temp range should be between 65 F and 90 F, these if statements prohibit temps outside that range
        if (driverZone < 65) {driverZone = 65;}
        if (driverZone > 90) {driverZone = 90;}
        if (passengerZone < 65) {passengerZone = 65;}
        if (passengerZone > 90) {passengerZone = 90;}

        targetTemp[0] = driverZone;
        targetTemp[1] = passengerZone;
    }

    private int avgTargetTemp() { //gets internal target average for ease of calculation
        return (targetTemp[0] + targetTemp[1])/2;
    }

    private void updateCurrentTemps() { //queries temp sensors for current cabin temp
        HelperFunctions tSensor = new HelperFunctions();
        currentTemp = tSensor.internalTempSensors();
        externalTemp = tSensor.externalTempSensors();
    }

    public int[] getTargetTemps() {
        return targetTemp;
    }

    public int[] getCurrentTemps() {
        return currentTemp;
    }

    public void activateClimate() {
        updateCurrentTemps(); //check current temps before actioning logic
        if (externalTemp >= avgTargetTemp()) { //puts logic into "cooling" mode
            //driver's side
            if (targetTemp[0]+1 < currentTemp[0]) {coolingActive[0] = true;} //provides 1 deg buffer to prevent excessive activation/deactivation
            if (targetTemp[0] >= currentTemp[0]) {coolingActive[0] = false;}
            //passenger's side
            if (targetTemp[1]+1 < currentTemp[1]) {coolingActive[1] = true;}
            if (targetTemp[1] >= currentTemp[1]) {coolingActive[1] = false;}
        } else if (externalTemp < avgTargetTemp()) { //puts logic into "heating" mode
            //driver's side
            if (targetTemp[0]-1 > currentTemp[0]) {heatingActive[0] = true;}
            if (targetTemp[0] <= currentTemp[0]) {heatingActive[0] = false;}
            //passenger's side
            if (targetTemp[1]-1 > currentTemp[1]) {heatingActive[1] = true;}
            if (targetTemp[1] <= currentTemp[1]) {heatingActive[1] = false;}
        }
    }

    public void setFanSpeeds(String driver, String passenger) { //maps a string passed in to the appropriate enum value
        switch (driver) {
            case "OFF":
                fanSpeed[0] = fanLevels.OFF;
                break;
            case "LOW":
                fanSpeed[0] = fanLevels.LOW;
                break;
            case "MED":
                fanSpeed[0] = fanLevels.MED;
                break;
            case "HI":
                fanSpeed[0] = fanLevels.HI;
                break;
        }

        switch (passenger) {
            case "OFF":
                fanSpeed[1] = fanLevels.OFF;
                break;
            case "LOW":
                fanSpeed[2] = fanLevels.LOW;
                break;
            case "MED":
                fanSpeed[3] = fanLevels.MED;
                break;
            case "HI":
                fanSpeed[4] = fanLevels.HI;
                break;
        }
    }

    public String[] getFanSpeeds() {
        String[] workingString = {fanSpeed[0].toString(), fanSpeed[1].toString()};
        return workingString;
    }
}