package net.sourceforge.phpeclipse.wiki.actions;

import java.util.ArrayList;
import java.util.HashSet;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ui.IFileEditorInput;

public final class CreateFilesFromLinksEditorAction extends OpenWikiLinkEditorAction {

  public void openWikiLinkOnSelection() {
    IDocument doc = getDocument();
    //    ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection();
    //    int pos = selection.getOffset();
    ArrayList startPositionList = new ArrayList();
    char[] text = doc.get().toCharArray();
    try {
      char ch = ' ';
      int i = 0;
      int startPos = -1;
      while (true) {
        ch = text[i++];
        switch (ch) {
        case '[':
          ch = text[i++];
          if (ch == '[') {
            startPos = i;
          }
          break;
        case ']':
          ch = text[i++];
          if (ch == ']' && startPos != (-1)) {
            startPositionList.add(new Integer(startPos));
          }
          break;
        case '\r':
        case '\n':
          startPos = -1;
          break;
        }
      }
    } catch (IndexOutOfBoundsException e) {
      // ignore it
    }
    HashSet wikiNames = new HashSet();
    ArrayList filesList = new ArrayList();
    String str;
    Integer posInteger;
    IFile currentFile = ((IFileEditorInput) editor.getEditorInput()).getFile();
    for (int i = 0; i < startPositionList.size(); i++) {
      posInteger = (Integer) startPositionList.get(i);
      str = getWikiString(editor, doc, posInteger.intValue());
      
      if (str != null && !str.equals("")) {
        if (!wikiNames.contains(str)) {
          IFile file = getWikiFile(currentFile, str);
          filesList.add(file);
          wikiNames.add(str);
        }
      } 
    }
    
    if (filesList.size() > 0) {
      IFile[] files = new IFile[filesList.size()];
      filesList.toArray(files);

      Job job = new CreateFilesJob(files);
      //        job.setRule(createRule(files));
      job.setRule(null);
      job.setUser(true);
      job.schedule();
    }
//
//    
//    Iterator iter = wikiNames.iterator();
//    while (iter.hasNext()) {
//      openWikiFile(file, (String) iter.next(), false);
//    }
  }

//  public void openWikiFile(IFile cfile, String word, boolean openEditor) {
//    if (word != null && !word.equals("")) {
//      IFile file = getWikiFile(cfile, word);
//      try {
//        createNewFileIfNeeded(file, word);
//      } catch (Exception e) {
//      }
//    } 
//  }
}