package org.litesoft.core.simpletypes.currency;

import org.litesoft.core.simpletypes.nonpublic.*;

public class SimpleMoney extends AbstractFixedPointLong<SimpleMoney>
{
    private SimpleCurrency mCurrency;

    /**
     * @deprecated - for Serialization
     */
    protected SimpleMoney()
    {
    }

    public SimpleMoney( long pValue, SimpleCurrency pCurrency )
    {
        super( pValue, pCurrency.getDefaultFractionDigits(), pCurrency.getFormatControl() );
        mCurrency = pCurrency;
    }

    public SimpleCurrency getCurrency()
    {
        return mCurrency;
    }

    public static SimpleMoney fromString( SimpleCurrency pCurrency, String pToString )
    {
        SimpleMoney rv = new SimpleMoney( 0, pCurrency );
        rv.setValueTo( pToString );
        return rv;
    }

    @Override
    public boolean equals( LL_FloatingPointLong<SimpleMoney> them )
    {
        if ( them instanceof SimpleMoney )
        {
            return isCompatibleCurrency( (SimpleMoney) them ) && super.equals( them );
        }
        return super.equals( them );
    }

    @Override
    public int compareTo( SimpleMoney them )
    {
        assertLikeCurrency( them );
        return super.compareTo( them );
    }

    public boolean lessThan( SimpleMoney them )
    {
        return lessThan( compareTo( them ) );
    }

    public boolean greaterThan( SimpleMoney them )
    {
        return greaterThan( compareTo( them ) );
    }

    private boolean isCompatibleCurrency( SimpleMoney them )
    {
        return (them != null) && ((this.getCurrency() == null) || (them.getCurrency() == null) || this.getCurrency().equals( them.getCurrency() ));
    }

    private void assertLikeCurrency( SimpleMoney them )
    {
        if ( !isCompatibleCurrency( them ) )
        {
            throw new ClassCastException( "Unable to cast SimpleMoney with Currency '" + getCurrency( them ) + "' to SimpleMoney with Currency '" + getCurrency() + "'" );
        }
    }

    private SimpleCurrency getCurrency( SimpleMoney them )
    {
        return (them != null) ? them.getCurrency() : null;
    }

    // todo: Math support...
}