package ch.usi.inf.sa4.sanmarinoes.smarthut.models;

import com.google.gson.annotations.SerializedName;
import java.math.BigDecimal;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Transient;
import javax.validation.constraints.NotNull;

/** A thermostat capable of controlling cooling and heating. */
@Entity
public class Thermostat extends OutputDevice {

    public enum ThermostatState {
        @SerializedName("OFF")
        OFF,
        @SerializedName("IDLE")
        IDLE,
        @SerializedName("COOLING")
        COOLING,
        @SerializedName("HEATING")
        HEATING
    }

    /** Temperature to be reached */
    @Column @NotNull private BigDecimal targetTemperature;

    /** The temperature detected by the embedded sensor */
    @Column(nullable = false, precision = 4, scale = 1)
    private BigDecimal internalSensorTemperature =
            Sensor.TYPICAL_VALUES.get(Sensor.SensorType.TEMPERATURE);

    /** State of this thermostat */
    @Column @NotNull private ThermostatState state;

    @Transient private BigDecimal measuredTemperature;

    @Column private boolean useExternalSensors = false;

    /** Creates a thermostat with a temperature sensor and its initial OFF state */
    public Thermostat() {
        super("thermostat");
        this.state = ThermostatState.OFF;
    }

    public void setState(ThermostatState state) {
        this.state = state;
    }

    public ThermostatState getState() {
        return this.state;
    }

    public BigDecimal getTargetTemperature() {
        return this.targetTemperature;
    }

    public BigDecimal getInternalSensorTemperature() {
        return internalSensorTemperature;
    }

    public boolean isUseExternalSensors() {
        return useExternalSensors;
    }

    public BigDecimal getMeasuredTemperature() {
        return measuredTemperature;
    }

    public void setMeasuredTemperature(BigDecimal measuredTemperature) {
        this.measuredTemperature = measuredTemperature;
    }

    public void setTargetTemperature(BigDecimal targetTemperature) {
        this.targetTemperature = targetTemperature;
    }

    public void setInternalSensorTemperature(BigDecimal internalSensorTemperature) {
        this.internalSensorTemperature = internalSensorTemperature;
    }

    public void setUseExternalSensors(boolean useExternalSensors) {
        this.useExternalSensors = useExternalSensors;
    }
}