// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.hughes.android.dictionary.engine;

import com.hughes.android.dictionary.parser.wiktionary.EnTranslationToTranslationParser;
import com.hughes.android.dictionary.parser.wiktionary.WholeSectionToHtmlParser;
import com.hughes.android.dictionary.parser.wiktionary.WiktionaryLangs;

import junit.framework.TestCase;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class DictionaryBuilderMain extends TestCase {
  
  static final String INPUTS = "data/inputs/";
  static final String STOPLISTS = "data/inputs/stoplists/";
  static final String OUTPUTS = "data/outputs/";  

  
  static final Map<String,String>  isoToDedication = new LinkedHashMap<String, String>();
  static {
  isoToDedication.put("AF", "Afrikaans dictionary dedicated to Heiko and Mariëtte Horn.");
  isoToDedication.put("HR", "Croatian dictionary dedicated to Ines Viskic and Miro Kresonja.");
  isoToDedication.put("NL", "Dutch dictionary dedicated to Mike LeBeau.");
  // German handled in file.
  isoToDedication.put("EL", "Greek dictionary dedicated to Noah Egge.");
  isoToDedication.put("IT", "Italian dictionary dedicated to Carolina Tropini, my favorite stardust in the whole universe!  Ti amo!");
  isoToDedication.put("KO", "Korean dictionary dedicated to Ande Elwood--fall fashion und Fernsehturms!");
  isoToDedication.put("PT", "Portuguese dictionary dedicated to Carlos Melo, one Tough Mudder.");
  isoToDedication.put("RO", "Romanian dictionary dedicated to Radu Teodorescu.");
  isoToDedication.put("RU", "Russian dictionary dedicated to Maxim Aronin--best friend always!.");
  isoToDedication.put("SR", "Serbian dictionary dedicated to Filip Crnogorac--thanks for the honey.");
  isoToDedication.put("ES", "Spanish dictionary made especially for Carolina Tropini! <3 XoXoXXXXX!");
  isoToDedication.put("SV", "Swedish dictionary dedicated to Kajsa Palmblad--björn kramar!");
  }
  private static String getDedication(String iso) {
    return isoToDedication.containsKey(iso) ? "\n\n" + isoToDedication.get(iso) : "";
  }
  
  static final Map<String,String>  isoToStoplist = new LinkedHashMap<String, String>();
  static {
  isoToStoplist.put("DE", "de.txt");
  isoToStoplist.put("EN", "en.txt");
  isoToStoplist.put("ES", "es.txt");
  isoToStoplist.put("IT", "it.txt");
  isoToStoplist.put("FR", "fr.txt");
  }
  private static String getStoplist(String iso) {
    return isoToStoplist.containsKey(iso) ? isoToStoplist.get(iso) : "empty.txt";
  }
  
  static String getOtherLang(final String[] pair, final String first) {
      assert Arrays.asList(pair).contains(first);
      assert pair.length == 2;
      return pair[0].equals(first) ? pair[1] : pair[0];
  }
  
  static List<String> getMainArgs(final String[] pair) {
    final List<String> result = new ArrayList<String>();
    
    final String lang1 = pair[0];
    final String lang2 = pair[1];
    
    final String dictFile = String.format("%s/%s-%s.quickdic", 
        OUTPUTS, lang1, lang2);
    
    result.add(String.format("--dictOut=%s", dictFile));
    result.add(String.format("--lang1Stoplist=%s", STOPLISTS + getStoplist(lang1)));
    result.add(String.format("--lang2Stoplist=%s", STOPLISTS + getStoplist(lang2)));

    int i = 1;
    
    // For a few langs, put the defs of the other language in DE/IT/FR using WholeSection.
    for (final String wikitionaryLang : Arrays.asList("EN", "DE", "IT", "FR")) {
        if (!Arrays.asList(pair).contains(wikitionaryLang)) {
            continue;
        }
        final String foreignIso = getOtherLang(pair, wikitionaryLang);
        final String wikiSplitFile = String.format("%s/wikiSplit/%s/%s.data", INPUTS, wikitionaryLang.toLowerCase(), foreignIso);
        if (!new File(wikiSplitFile).canRead()) {
            System.err.println("Can't read file: " + wikiSplitFile);
            continue;
        }
        result.add(String.format("--input%d=%s", i, wikiSplitFile));
        result.add(String.format("--input%dName=%sWiktionary.WholeSections.%s", i, wikitionaryLang, foreignIso));
        result.add(String.format("--input%dFormat=%s", i, WholeSectionToHtmlParser.NAME));
        result.add(String.format("--input%dTitleIndex=%d", i, Arrays.asList(pair).indexOf(foreignIso) + 1));
        ++i;
    }
    
    // Deal with the pairs where one is English.
    if (Arrays.asList(pair).contains("EN")) {
      final String foreignIso = getOtherLang(pair, "EN");
      
      String foreignRegex = WiktionaryLangs.isoCodeToEnWikiName.get(foreignIso);
      if (foreignIso.equals("ZH")) {
        // HACK: The missing "e" prevents a full match, causing "Cantonese" to be appended to the entries.
        foreignRegex = "Chinese|Mandarin|Cantones";
      }
      
      result.add(String.format("--lang1=%s", "EN"));
      result.add(String.format("--lang2=%s",  foreignIso));
      result.add(String.format("--dictInfo=(EN)Wikitionary-based EN-%s dictionary.%s", foreignIso, getDedication(foreignIso)));
      
      result.add(String.format("--input%d=%s/wikiSplit/en/%s.data", i, INPUTS, foreignIso));
      result.add(String.format("--input%dName=ENWiktionary.%s", i, foreignIso)) ;
      result.add(String.format("--input%dFormat=enwiktionary", i));
      result.add(String.format("--input%dWiktionaryType=EnForeign", i));
      result.add(String.format("--input%dLangPattern=%s", i, foreignRegex));
      result.add(String.format("--input%dLangCodePattern=%s", i, foreignIso.toLowerCase()));
      result.add(String.format("--input%dEnIndex=%d", i, Arrays.asList(pair).indexOf("EN") + 1));
      ++i;

      result.add(String.format("--input%d=%swikiSplit/en/EN.data", i, INPUTS));
      result.add(String.format("--input%dName=enwiktionary.english", i));
      result.add(String.format("--input%dFormat=enwiktionary", i));
      result.add(String.format("--input%dWiktionaryType=EnToTranslation", i));
      result.add(String.format("--input%dLangPattern=%s", i, foreignRegex));
      result.add(String.format("--input%dLangCodePattern=%s", i, foreignIso.toLowerCase()));
      result.add(String.format("--input%dEnIndex=%d", i, Arrays.asList(pair).indexOf("EN") + 1));
      ++i;
      
      if (foreignIso.equals("DE")) {
        result.add(String.format("--input%d=%sde-en_chemnitz.txt", i, INPUTS));
        result.add(String.format("--input%dName=chemnitz", i));
        result.add(String.format("--input%dCharset=UTF8", i));
        result.add(String.format("--input%dFormat=chemnitz", i));
        ++i;
      }
      
    } else {
      // Pairs without English.
      result.add(String.format("--lang1=%s", lang1));
      result.add(String.format("--lang2=%s", lang2));
      result.add(String.format("--dictInfo=Wikitionary-based %s-%s dictionary.", lang1, lang2));
 
      result.add(String.format("--input%d=%swikiSplit/en/EN.data", i, INPUTS));
      result.add(String.format("--input%dName=BETA!enwiktionary.%s-%s", i, lang1, lang2));
      result.add(String.format("--input%dFormat=%s", i, EnTranslationToTranslationParser.NAME));
      result.add(String.format("--input%dLangPattern1=%s", i, lang1));
      result.add(String.format("--input%dLangPattern2=%s", i, lang2));
      ++i;
    }
    
    return result;
  }

  public static void main(final String[] args) throws Exception {
    
    final List<String[]> allPairs = new ArrayList<String[]>();
    
    // Build the non EN ones.
    final String[][] nonEnPairs = new String[][] {

        // The 3 I use most:
        {"DE", "EN" },
        {"IT", "EN" },
        {"DE", "IT" },
            
            
        {"AR", "DE" },
        {"AR", "ES" },
        {"AR", "FR" },
        {"AR", "HE" },
        {"AR", "IT" },
        {"AR", "JA" },
        {"AR", "RU" },
        {"AR", "TR" },  // Turkish
        {"AR", "ZH" },
        
        {"DE", "AR" },
        {"DE", "FR" },
        {"DE", "CA" },  // Catalan
        {"DE", "CS" },  // Czech
        {"DE", "EO" },  // Esperanto
        {"DE", "ES" },
        {"DE", "FR" },
        {"DE", "HE" },
        {"DE", "HU" },  // Hungarian
        {"DE", "IT" },
        {"DE", "JA" },
        {"DE", "LA" },  // Latin
        {"DE", "NL" },  // Dutch
        {"DE", "PL" },  // Polish
        {"DE", "RU" },
        {"DE", "SV" },  // Swedish
        {"DE", "TR" },  // Turkish
        {"DE", "ZH" },
        {"DE", "TA" },  // Tamil

        
        {"FR", "BG" },  // Bulgarian
        {"FR", "CS" },  // Czech
        {"FR", "DE" },
        {"FR", "ES" },
        {"FR", "IT" },
        {"FR", "JA" },
        {"FR", "LA" },
        {"FR", "NL" },  // Dutch
        {"FR", "RU" },
        {"FR", "TR" },  // Turkish
        {"FR", "ZH" },

        {"IT", "DE" },
        {"IT", "EL" },  // Greek
        {"IT", "ES" },
        {"IT", "FR" },
        {"IT", "HU" },
        {"IT", "JA" },
        {"IT", "LA" },  // Latin
        {"IT", "LV" },  // Latvian
        {"IT", "NL" },
        {"IT", "PL" },
        {"IT", "RU" },
        {"IT", "SV" },
        {"IT", "TR" },  // Turkish
        {"IT", "ZH" },

        {"JA", "ZH" },
        {"JA", "AR" },
        {"JA", "KO" },

        {"ZH", "AR" },
        {"ZH", "DE" },
        {"ZH", "ES" },
        {"ZH", "FR" },
        {"ZH", "IT" },
        {"ZH", "KO" },

        
        {"NO", "SV" },
        {"NO", "FI" },
        {"FI", "SV" },
        
        {"PL", "FR" },  // Polish
        {"PL", "RU" },  // Polish
        {"PL", "HU" },  // Polish
        {"PL", "ES" },  // Polish
        
        {"TR", "EL" },  // Turkish, Greek

        {"FA", "HY" },  // Persian, Armenian, by request.
        {"FA", "SV" },  // Persian, Swedish, by request.

    };
    allPairs.addAll(Arrays.asList(nonEnPairs));
    
    // Add all the EN-XX pairs.
    for (final String isoCode : WiktionaryLangs.isoCodeToEnWikiName.keySet()) {
      if (isoCode.equals("EN") || isoCode.equals("DE")) {
        continue;
      }
      allPairs.add(new String[] {"EN", isoCode});
    }
    allPairs.add(new String[] {"EN", "DE"});
    
        
    final Set<List<String>> done = new LinkedHashSet<List<String>>();
    for (final String[] pair : allPairs) {
      Arrays.sort(pair);
      final List<String> pairList = Arrays.asList(pair);
      if (done.contains(pairList)) {
        continue;
      }
      done.add(pairList);
      
      if (!pairList.contains("IT") || !pairList.contains("EN")) {
        //continue;
      }
      
      DictionaryBuilder.main(getMainArgs(pair).toArray(new String[0]));
    }
    
  }    
}