package org.litesoft.language.server;

import java.io.*;
import java.util.*;

import org.litesoft.core.annotations.*;
import org.litesoft.core.typeutils.Objects;
import org.litesoft.core.typeutils.*;
import org.litesoft.language.model.*;

/**
 *
 */
public class MasterUnvalidatedAccessorPropertyFile implements MasterUnvalidatedAccessor
{

    /**
     * @return Keys in the order they were stored!
     */
    @Override
    public @NotNull @Immutable List<String> getKeys()
    {
        return mPropertyFileAccessor.getKeys();
    }

    @Override
    public @NullOrSignificantText String getValue( String pKey )
    {
        String zProperty = mPropertyFileAccessor.getProperty( pKey );
        return Strings.deNull( zProperty ).isEmpty() ? null : zProperty;
    }

    @Override
    public @Nullable MasterUnvalidatedEntry getEntry( String pKey )
    {
        String zValue = getValue( pKey );
        return (zValue == null) ? null : new MasterUnvalidatedEntry( pKey, zValue );
    }

    @Override
    public @NotNull MasterUnvalidatedAccessor reload()
            throws IOException
    {
        return new MasterUnvalidatedAccessorPropertyFile( mPropertyFileAccessor );
    }

    /**
     * Writes all the properties to a properties file retaining the order of the properties as they were read and retaining any comments as they were read as well.
     *
     * @throws IOException
     */
    public void save()
            throws IOException
    {
        mPropertyFileAccessor.save();
    }

    public MasterUnvalidatedAccessorPropertyFile( String pPropertyFile )
    {
        this( new File( Strings.assertNotNullNotEmpty( "PropertyFile", pPropertyFile ) ) );
    }

    public MasterUnvalidatedAccessorPropertyFile( File pPropertyFile )
    {
        this( new SimplePropertyFileAccessorImpl( Objects.assertNotNull( "PropertyFile", pPropertyFile ) ) );
    }

    public MasterUnvalidatedAccessorPropertyFile( SimplePropertyFileAccessor pPropertyFileAccessor )
    {
        mPropertyFileAccessor = pPropertyFileAccessor;
    }

    private SimplePropertyFileAccessor mPropertyFileAccessor;
}