/*
 * Units of Measurement Enum Implementation
 * Copyright © 2005-2021, Werner Keil and others.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of JSR-385, Unit-API nor the names of their contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package tech.uom.impl.enums.quantity;

import static javax.measure.Quantity.Scale.*;

import javax.measure.Quantity;
import javax.measure.UnconvertibleException;
import javax.measure.Unit;
import javax.measure.UnitConverter;
import javax.measure.quantity.Temperature;

import tech.uom.impl.enums.AbstractQuantity;
import tech.uom.impl.enums.format.UnitStyle;
import tech.uom.impl.enums.unit.TemperatureUnit;

/**
 * @author Werner Keil
 * @version 1.2, $Date: 2018-12-18 $
 */
public final class TemperatureQuantity extends AbstractQuantity<Temperature> 
  implements Temperature {
    private final Double scalar; // value in reference unit

    private final double value; // value in unit (Unit unit)

    private final TemperatureUnit unit;

    public TemperatureQuantity(double val, TemperatureUnit un) {
        super((TemperatureUnit.KELVIN.equals(un) ? 
                ABSOLUTE : RELATIVE));
        unit = un;
        value = val;
        if (un != null) {
                scalar = val * un.getFactor();
        } 
        else scalar = null;        
    }
    
    public TemperatureQuantity(Number val, @SuppressWarnings("rawtypes") Unit u) {
        this(val.doubleValue(), (TemperatureUnit)u);
    }

    @Override
    public boolean isZero() {
        return 0d==(value);
    }

    public TemperatureQuantity add(TemperatureQuantity d1) {
        final TemperatureQuantity dn = new TemperatureQuantity(Double.valueOf(
                this.value + d1.value),
                        this.unit);
        return dn;
    }

    public TemperatureQuantity subtract(TemperatureQuantity d1) {
        final TemperatureQuantity dn = new TemperatureQuantity(
                this.value- d1.value, this.unit);
        return dn;
    }

    protected boolean eq(TemperatureQuantity dq) {
         return dq!=null && dq.getValue().equals(getValue()) && 
                 dq.getUnit().equals(getUnit()) &&
                 dq.getScalar().equals(getScalar());
    }

    boolean ne(TemperatureQuantity d1) {
        return ne((TemperatureQuantity) d1);
    }

    boolean gt(TemperatureQuantity d1) {
        return gt((TemperatureQuantity) d1);
    }

    public boolean lt(TemperatureQuantity d1) {
        return lt((TemperatureQuantity) d1);
    }

    public boolean ge(TemperatureQuantity d1) {
        return ge((TemperatureQuantity)d1);
    }

    public boolean le(TemperatureQuantity d1) {
        return le((TemperatureQuantity) d1);
    }

    public TemperatureQuantity divide(double v) {
        return new TemperatureQuantity(value / v, 
                unit);
    }

    protected TemperatureQuantity convert(TemperatureUnit newUnit) {
        return new TemperatureQuantity(value /  
                newUnit.getFactor(), newUnit);
    }

    @Override
    public Double getScalar() {
        return scalar;
    }

    @Override
    public String toString(boolean withUnit, boolean withSpace, int precision) {
        final StringBuilder sb = new StringBuilder();
        sb.append(getValue());
        if(withUnit) {
                if(withSpace) sb.append(" ");
                sb.append(getUnit().getSymbol());
        }
        return sb.toString();
    }

    @Override
    public String showInUnit(Unit<?> u, int precision, 
                UnitStyle style) {
        return showInUnit(u, value, precision, style);
    }

        public Number getValue() {
                 return value;
        }

        public Unit<Temperature> getUnit() {
                 return unit;
        }

        public Quantity<Temperature> multiply(Number that) {
                return new TemperatureQuantity(value * that.doubleValue(), unit);
        }
        
        public Quantity<?> multiply(Quantity<?> that) {
                return new TemperatureQuantity(value * that.getValue().doubleValue(), unit);
        }

        public Quantity<Temperature> inverse() {
                // TODO Auto-generated method stub
                return null;
        }

        /*
         * (non-Javadoc)
         * 
         * @see
         * Measurement#doubleValue(javax.measure.Unit)
         */
        protected double doubleValue(Unit<Temperature> unit) {
                Unit<Temperature> myUnit = getUnit();
                try {
                        UnitConverter converter = unit.getConverterTo(myUnit);
                        return converter.convert(getValue().doubleValue());
                } catch (UnconvertibleException e) {
                        throw e;
                } // catch (IncommensurableException e) {
                // throw new IllegalArgumentException(e.getMessage());
                // }
        }
        
        public Quantity<Temperature> to(Unit<Temperature> unit) {
        if (this.unit.equals(unit)) {
            return this;
        }
        if (unit instanceof TemperatureUnit) {
//              final TemperatureUnit asTU = (TemperatureUnit)unit;
//              for (TemperatureUnit tu : TemperatureUnit.values()) {
//                      if (asTU.equals(tu)) {
//                              return new TemperatureQuantity( asTU)
//                      }
//              }
                return convert((TemperatureUnit)unit);
        } else {
                throw new ArithmeticException("Cannot convert " + this.unit + " to " + unit);
        }
        }

        protected boolean eq(AbstractQuantity<Temperature> dq) {
                 return eq((TemperatureQuantity) dq);
        }

        public Quantity<?> divide(Quantity<?> that) {
                // TODO Auto-generated method stub
                return null;
        }

        public Quantity<Temperature> subtract(Quantity<Temperature> that) {
                // TODO Auto-generated method stub
                return null;
        }

        public Quantity<Temperature> add(Quantity<Temperature> that) {
                // TODO Auto-generated method stub
                return null;
        }
        
        public Quantity<Temperature> divide(Number that) {
                // TODO Auto-generated method stub
                return null;
        }

        public int compareTo(Quantity<Temperature> o) {
                // TODO Auto-generated method stub
                return 0;
        }
        
        @Override
        public Quantity<Temperature> negate() {
                return new TemperatureQuantity(-value, unit);
        }
}