/*
 * [PrepareResources.java]
 *
 * Summary: Prepares activities and currency info for the jar resources.
 *
 * Copyright: (c) 2010-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 2010-12-04 initial version.
 *  1.1 2010-12-06 add duty cycle.
 */
package com.mindprod.powcost;

import com.mindprod.common18.EIO;
import com.mindprod.csv.CSVReader;
import com.mindprod.entities.DeEntifyStrings;

import java.io.BufferedReader;
import java.io.EOFException;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Collections;

import static java.lang.System.*;

/**
 * Prepares activities and currency info for the jar resources.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.1 2010-12-06 add duty cycle.
 * @since 2010-12-02
 */
public class PrepareResources
    {
    /**
     * true if want extra debug ouput
     */
    private static final boolean DEBUGGING = false;
    // methods

    /**
     * export activities as a gzipped ser resource
     *
     * @throws IOException
     */
    private static void prepareActivities() throws IOException
        {
        // must run in com\mindprod\powcost
        final CSVReader activitiesCSV = new CSVReader( EIO.getBufferedReader( new File( "activities.csv" ), 64 * 1024, EIO.UTF8 ) );
        final ArrayList<ActivityItem> activities = new ArrayList<>( 200 );
        try
            {
            while ( true )
                {
                //   3000, 100,  1, hour,    heat 32 gallons of water electrically to wash a load of clothes.
                final double watts = activitiesCSV.getDouble();
                if ( watts == 0 )
                    {
                    continue;  // ignore blank lines
                    }
                final double dutyCycle = activitiesCSV.getDouble();
                final double duration = activitiesCSV.getDouble();
                final String units = activitiesCSV.get();
                final String activityDescription = DeEntifyStrings.deEntifyHTML( activitiesCSV.get(), ' ' );
                activitiesCSV.skipToNextLine();
                activities.add( new ActivityItem( watts, dutyCycle, duration, units, activityDescription ) );
                }
            }
        catch ( EOFException e )
            {
            activitiesCSV.close();
            }
        if ( DEBUGGING )
            {
            out.println( "pre sort" );
            for ( ActivityItem i : activities )
                {
                out.println( i );
                }
            }
        final int size = activities.size();
        Collections.sort( activities );   // sort by ascending energy consumption.
        if ( DEBUGGING )
            {
            out.println( "post sort" );
            for ( ActivityItem i : activities )
                {
                out.println( i );
                }
            }
        // save so can be included in jar
        // O P E N
        ObjectOutputStream oos = EIO.getObjectOutputStream( new File( "activities.ser" ), 64 * 1024, true );
        // W R I T E
        oos.writeObject( activities.toArray( new ActivityItem[ size ] ) );
        // C L O S E
        oos.close();
        out.println( size + " activity records written" );
        } // /method

    /**
     * export electricity costs as a gzipped *.ser resource
     *
     * @throws IOException
     */
    private static void prepareCosts() throws IOException
        {
        // must run in com\mindprod\powcost
        final CSVReader costsCSV = new CSVReader( new BufferedReader( new FileReader( "costs.csv" ) ) );
        final ArrayList<CostLocItem> costs = new ArrayList<>( 200 );
        try
            {
            while ( true )
                {
                // ca, AB, Alberta,   11.30, CAD.
                final String countryAbbr = costsCSV.get();
                if ( countryAbbr == null )
                    {
                    continue;
                    }
                final String stateAbbr = costsCSV.get();
                final String locationDescription = DeEntifyStrings.deEntifyHTML( costsCSV.get(), ' ' );
                final double costPerKwh = costsCSV.getDouble(); /* manually preconverted from cents to dollars */
                final String currencyAbbr = costsCSV.get();
                costsCSV.skipToNextLine();
                costs.add( new CostLocItem( countryAbbr, stateAbbr, locationDescription, costPerKwh, currencyAbbr ) );
                }
            }
        catch ( EOFException e )
            {
            costsCSV.close();
            }
        final int size = costs.size();
        // save so can be included in jar
        // O P E N
        final ObjectOutputStream oos = EIO.getObjectOutputStream( new File( "costs.ser" ), 4 * 1024, true );
        // W R I T E
        oos.writeObject( costs.toArray( new CostLocItem[ size ] ) );
        // C L O S E
        oos.close();
        out.println( size + " cost records written" );
        } // /method

    /**
     * prepare activities.ser and costs.ser resources
     */
    public static void main( final String[] args )
        {
        try
            {
            prepareActivities();
            prepareCosts();
            }
        catch ( IOException e )
            {
            err.println();
            e.printStackTrace( err );
            err.println();
            }
        } // /method
    // /methods
    }