/* Copyright (c) 2003-2006 Ricebridge. All Rights Reserved.
 *
 * This file is available under the terms and conditions of the
 * Ricebridge "Open Source API" policy; Ricebridge grants use of this
 * copyrighted work under the terms of a BSD-style license only. See
 * http://www.opensource.org/licenses/bsd-license.php for more
 * information.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *  - Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  - 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.
 *
 *  - Neither the name of the Ricebridge nor the names of its
 *  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 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 */

package com.ricebridge.csvman.test;


import com.ricebridge.csvman.*;

import org.jostraca.util.*;

import java.util.*;


/** Create performance test files with random data.
 *    <p>The <b><a href="PerformanceTestFileMaker.java.html">Source Code</a></b> of this Java class 
 *    is available under a <a href="http://www.opensource.org/licenses/bsd-license.php">BSD-style license</a>.</p>
 */
public class PerformanceTestFileMaker {

  public static final void main( String[] pArgs ) throws Exception {
    CsvManager cm = new CsvManager();
    RandomValueLineProvider rvlp = new RandomValueLineProvider( 10 );

    cm.save( PerformanceTest.getCsvFile("p10"), rvlp );
    System.out.println( "10" );

    rvlp = new RandomValueLineProvider( 100 );
    cm.save( PerformanceTest.getCsvFile("p100"), rvlp );
    System.out.println( "100" );

    rvlp = new RandomValueLineProvider( 1000 );
    cm.save( PerformanceTest.getCsvFile("p1000"), rvlp );
    System.out.println( "1000" );

    rvlp = new RandomValueLineProvider( 10000 );
    cm.save( PerformanceTest.getCsvFile("p10000"), rvlp );
    System.out.println( "10000" );

    rvlp = new RandomValueLineProvider( 100000 );
    cm.save( PerformanceTest.getCsvFile("p100000"), rvlp );
    System.out.println( "100000" );

    rvlp = new RandomValueLineProvider( 1000000 );
    cm.save( PerformanceTest.getCsvFile("p1000000"), rvlp );
    System.out.println( "1000000" );
  }


  /** Provides random values as data for saving. */
  public static class RandomValueLineProvider extends CustomLineProvider {

    private Random iRandom = new Random();
    private int    iNumLines   = 0;
    private int    iLineIndex  = 0;
    //private int    iFieldIndex = 0;
    private int    iNumFields  = 6;


    public RandomValueLineProvider( int pNumLines ) {
      iNumLines = pNumLines;
    }

    
    protected void startProcessImpl() {
      iLineIndex  = 0;
      //iFieldIndex = 0;
    }


    protected void endProcessImpl() {
      // do nothing
    }



    protected boolean hasNextLineImpl() {
      return iLineIndex < iNumLines;
    }

    /*
    public boolean hasNextFieldImpl() {
      return iFieldIndex < iNumFields;
    }
    */


    protected String[] nextLineImpl() {     
      String[] line = new String[iNumFields];
      for( int fI = 0; fI < iNumFields; fI++ ) {
        line[fI] = makeField(fI);
      }
      iLineIndex++;
      return line;
    }


    public static final char[] sChars = new char[] {
      '\'',' ','!','"','&','$','%','(',')','*','+',',','-','.','/','0','1','2','3','4','5','6','7','8','9',':',';',    
      '<','>','@','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W',
      'X','Y','Z','[','\\',']','^','_','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s',
      't','u','v','w','x','y','z','{','|','}','`'
    }; 



    protected char makeRandomChar() {
      int c = iRandom.nextInt( sChars.length );
      return sChars[c];
    }


    protected String makeRandomString() {
      int nc = iRandom.nextInt( sChars.length );
      StringBuffer sb = new StringBuffer();
      for( int cI = 0; cI < nc; cI++ ) {
        sb.append( makeRandomChar() );
      }
      return sb.toString();
    }


    protected String handleQuote( String pValue ) {
      if( -1 != pValue.indexOf( "\"" ) || -1 != pValue.indexOf( "," ) ) {
        return TextUtil.replace( pValue, "\"", "\"\"" );
      } 
      else {
        return pValue;
      }
    }


    protected String makeField( int pFieldIndex ) {
      pFieldIndex++;
      if( 1 == pFieldIndex ) {
        return handleQuote(String.valueOf(makeRandomChar()));
      }
      else if( 2 == pFieldIndex ) {
        return String.valueOf( iRandom.nextInt() );
      }
      else if( 3 == pFieldIndex ) {
        return String.valueOf( iRandom.nextLong() );
      }
      else if( 4 == pFieldIndex ) {
        return String.valueOf( iRandom.nextDouble() );
      }
      else if( 5 == pFieldIndex ) {
        return String.valueOf( new Date( iRandom.nextLong() ) );
      }
      else if( 6 == pFieldIndex ) {
        return handleQuote( makeRandomString() );
      }
      else {
        return "";
      }

    }

  }



}