/*
 * [H3Patch.java]
 *
 * Summary: One shot to prepare Patch Script to change some <h2 to <h3.
 *
 * Copyright: (c) 2014-2017 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 2014-04-28 initial version
 */
package com.mindprod.repair;

import com.mindprod.common18.EIO;
import com.mindprod.common18.ST;
import com.mindprod.csv.CSVWriter;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import static java.lang.System.*;

/**
 * One shot to prepare Patch Script to change some <h2 to <h3.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2014-04-28 One shot to prepare Patch Script to change some <h2 to <h3>.
 * @since 2014-04-28
 */
public class H3Patch
    {
    /**
     * read file
     * file: filenem
     * from string
     * from string
     * and create a CSVRecode file
     *
     * @param args not used
     *
     * @throws java.io.IOException if cannot read or write source files.
     */
    public static void main( final String[] args ) throws IOException
        {
        int countFiles = 0;
        int countPatches = 0;
        int countJunk = 0;
        int countCorrupted = 0;
        String filename = "unknown";
        String line = null;
        // O P E N
        final FileReader fr = new FileReader( "C:/temp/corrections.txt" );
        final BufferedReader br = new BufferedReader( fr, 24 * 1024 );
        CSVWriter w = new CSVWriter(
                EIO.getPrintWriter( new File( "C:/temp/patch.csv" ), 32 * 1024, EIO.UTF8 ),
                -1,
                ',',
                '\"',
                '#', true );
        while ( ( line = br.readLine() ) != null )
            {
            // we atteche filename to each of folling patch lines.
            // R E A D
            if ( line.startsWith( "file : " ) )
                {
                filename = ST.chopLeadingString( line, "file : " );
                countFiles++;
                }
            else if ( line.startsWith( "<h3>" ) && line.endsWith( "</h3>" ) )
                {
                final String to = line;
                // we read what we want. We deduce what it used to be.
                final String from = "<h2>" + ST.chopTrailingString( ST.chopLeadingString( line, "<h3>" ), "</h3>" ) + "</h2>";
                w.put( from, to, filename );
                w.nl();
                countPatches++;
                }
            else
                {
                if ( line.contains( "h3" ) )
                    {
                    countCorrupted++;
                    out.println( "corrupted ignored in file: " + filename + " : " + line );
                    }
                else
                    {
                    countJunk++;
                    out.println( "     junk ignored in file: " + filename + " : " + line );
                    }
                }
            } //  end loop
        // C L O S E
        br.close();
        w.close();
        out.println( countFiles + " files  " + countPatches + " patches  " + countCorrupted + " corrupted  " + countJunk + " junk" );
        }
    }