package com.quantum.php.wizards;

import java.text.MessageFormat;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

import com.quantum.QuantumPlugin;
import com.quantum.adapters.DatabaseAdapter;
import com.quantum.model.Bookmark;
import com.quantum.model.Column;
import com.quantum.model.Entity;
import com.quantum.php.PHPMessages;
import com.quantum.wizards.BaseSQLPage;
import com.quantum.wizards.SQLPage;

public class PHPDeleteRowPage extends BaseSQLPage implements SQLPage {
  String[] columnNames;

  Text[] values;

  Button[] whereValues;

  Text query;

  IPreferenceStore fStore;

  public PHPDeleteRowPage(String pageName) {
    super(pageName);
  }

  public void createControl(Composite parent) {
    System.out.println("page create control"); //$NON-NLS-1$
    Composite container = new Composite(parent, SWT.V_SCROLL);
    fStore = QuantumPlugin.getDefault().getPreferenceStore();
    GridLayout layout = new GridLayout();
    container.setLayout(layout);
    layout.numColumns = 3;

    Entity entity = this.results.getEntity();
    columnNames = this.results.getColumnNames();

    values = new Text[columnNames.length];
    whereValues = new Button[columnNames.length];
    new Label(container, SWT.NULL).setText(PHPMessages
        .getString("PHPDeleteRowPage.ColumnName")); //$NON-NLS-1$
    new Label(container, SWT.NULL).setText(PHPMessages
        .getString("PHPDeleteRowPage.Value")); //$NON-NLS-1$
    new Label(container, SWT.NULL).setText(PHPMessages
        .getString("PHPDeleteRowPage.IncludeIn")); //$NON-NLS-1$
    for (int i = 0; i < columnNames.length; i++) {
      Label label = new Label(container, SWT.NULL);
      label.setText(columnNames[i]);
      values[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
//      Object object = this.row == null ? null : this.row.get(i + 1);
//      values[i].setText(object == null ? "" : '$'+columnNames[i]); //object.toString());
      values[i].setText('$'+columnNames[i]); //object.toString());
      GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
      gridData.widthHint = 150;
      values[i].setLayoutData(gridData);
      values[i].addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent event) {
          updateQuery();
        }
      });

      whereValues[i] = new Button(container, SWT.CHECK);
      whereValues[i].setText(PHPMessages
          .getString("PHPDeleteRowPage.WhereClause")); //$NON-NLS-1$
      // we check if it's a primary key to select it in the WHERE clause
      Column column = getColumn(entity, columnNames[i]);
      whereValues[i].setSelection(column == null ? false : column
          .isPrimaryKey());
      whereValues[i].addSelectionListener(new SelectionListener() {
        public void widgetDefaultSelected(SelectionEvent e) {
        }

        public void widgetSelected(SelectionEvent e) {
          updateQuery();
        }
      });
    }
    query = new Text(container, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP);
    GridData gridData = new GridData();
    gridData.horizontalSpan = layout.numColumns;
    gridData.verticalSpan = 3;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    query.setLayoutData(gridData);

    setControl(container);
    updateQuery();

    setPageComplete(true);
  }

  public void updateQuery() {
    System.out.println(PHPMessages.getString("PHPDeleteRowPage.UpdatingQuery")); //$NON-NLS-1$
    StringBuffer whereClause = new StringBuffer();
    Bookmark bookmark = this.results.getBookmark();
    Entity entity = this.results.getEntity();
    DatabaseAdapter adapter = bookmark.getAdapter();

    int numSelected = 0;
    for (int i = 0; i < columnNames.length; i++) {
      if (whereValues[i].getSelection()) {
        if (numSelected > 0)
          whereClause.append(" AND "); //$NON-NLS-1$
        numSelected++;
        whereClause.append("("); //$NON-NLS-1$
        whereClause.append(columnNames[i]);
        whereClause.append(" = "); //$NON-NLS-1$
        appendColumn(whereClause, entity, columnNames[i], adapter, values[i]
            .getText());
        whereClause.append(")"); //$NON-NLS-1$
      }
    }
    //		String query = "DELETE FROM " +
    // this.results.getEntity().getQuotedTableName(); //$NON-NLS-1$
    //		if (numSelected > 0) {
    //			query += " WHERE " + whereClause.toString(); //$NON-NLS-1$
    //		}
    //		if (numSelected > 0) {
    //			setMessage(""); //$NON-NLS-1$
    //		} else {
    //			setMessage(PHPMessages.getString("PHPDeleteRowPage.WarningNoWhere"));
    // //$NON-NLS-1$
    //		}
    String[] arguments = { this.results.getEntity().getQuotedTableName(),
        whereClause.toString() };
    MessageFormat form = new MessageFormat(fStore
        .getString("phpeclipse.sql.delete.template"));

    String query = form.format(arguments);

    if (numSelected > 0) {
      setMessage(""); //$NON-NLS-1$
    } else {
      setMessage(PHPMessages.getString("PHPDeleteRowPage.WarningNoWhere"));
    }

    this.query.setText(query);
  }

  protected String getQueryText() {
    return query.getText();
  }

  /*
   * (non-Javadoc)
   * 
   * @see com.quantum.wizards.SQLPage#performFinish()
   */
  public boolean performFinish() {
    QuantumPlugin.getDefault().getSysClip().setContents(
        new Object[] { query.getText() },
        new Transfer[] { TextTransfer.getInstance() });
    return true;
  }
}
//import java.text.MessageFormat;
//
//import org.eclipse.jface.preference.IPreferenceStore;
//import org.eclipse.jface.wizard.WizardPage;
//import org.eclipse.swt.SWT;
//import org.eclipse.swt.dnd.TextTransfer;
//import org.eclipse.swt.dnd.Transfer;
//import org.eclipse.swt.events.ModifyEvent;
//import org.eclipse.swt.events.ModifyListener;
//import org.eclipse.swt.events.SelectionEvent;
//import org.eclipse.swt.events.SelectionListener;
//import org.eclipse.swt.layout.GridData;
//import org.eclipse.swt.layout.GridLayout;
//import org.eclipse.swt.widgets.Button;
//import org.eclipse.swt.widgets.Composite;
//import org.eclipse.swt.widgets.Label;
//import org.eclipse.swt.widgets.Text;
//
//import com.quantum.QuantumPlugin;
//import com.quantum.sql.TableRow;
//import com.quantum.wizards.BaseSQLPage;
//import com.quantum.wizards.SQLPage;
////import com.quantum.view.PHPSourceConsole;
////import com.quantum.view.tableview.TableAdapter;
//
//public class PHPDeleteRowPage extends BaseSQLPage implements SQLPage {
//  TableRow row;
//  String[] columnNames;
//  Text[] values;
//  Button[] whereValues;
//  Label query;
//  IPreferenceStore fStore;
//  private final static boolean DEBUG = false;
//
//  public PHPDeleteRowPage(String pageName) {
//    super(pageName);
//  }
//
//// public void init(TableRow row, TableAdapter adapter) {
//// this.row = row;
//// }
//
//  protected String getQueryText() {
//    return query.getText();
//  }
//  
//  public void createControl(Composite parent) {
//    System.out.println("page create control");
//    fStore = QuantumPlugin.getDefault().getPreferenceStore();
//    Composite container = new Composite(parent, SWT.NULL);
//    GridLayout layout = new GridLayout();
//    container.setLayout(layout);
//    int layoutColumns = 3;
//    layout.numColumns = layoutColumns;
//
//    if (DEBUG) {
//      if (row == null) {
//        System.out.println("Row is null");
//      }
//      if (row.getColumnNames() == null) {
//        System.out.println("Columns are null");
//      }
//      if (row.getTableData() == null) {
//        System.out.println("Data is null");
//      }
//    }
//    columnNames = row.getColumnNames();
//    String[] data = row.getTableData();
//    if (DEBUG) {
//      for (int i = 0; i < row.getColumnCount(); i++) {
//        System.out.println("data = " + i + "=" + data[i]);
//        System.out.println("column = " + i + "=" + columnNames[i]);
//      }
//    }
//    values = new Text[row.getColumnCount()];
//    whereValues = new Button[row.getColumnCount()];
//    Label temp = new Label(container, SWT.NULL);
//    temp.setText("Column Name");
//    temp = new Label(container, SWT.NULL);
//    temp.setText("Value");
//    temp = new Label(container, SWT.NULL);
//    temp.setText("Include in?");
//    for (int i = 0; i < row.getColumnCount(); i++) {
//      Label label = new Label(container, SWT.NULL);
//      label.setText(columnNames[i]);
//      values[i] = new Text(container, SWT.BORDER | SWT.SINGLE);
//      GridData fullHorizontal = new GridData();
//      fullHorizontal.horizontalAlignment = GridData.FILL;
//      values[i].setLayoutData(fullHorizontal);
//
//      if (data[i] == null || data[i].equals("")) {
//        values[i].setText('$' + columnNames[i]);
//      } else {
//        values[i].setText(data[i]);
//      }
//
//      values[i].addModifyListener(new ModifyListener() {
//        public void modifyText(ModifyEvent e) {
//          updateQuery();
//        }
//      });
//
//      whereValues[i] = new Button(container, SWT.CHECK);
//      whereValues[i].setText("Where clause");
//      whereValues[i].addSelectionListener(new SelectionListener() {
//        public void widgetDefaultSelected(SelectionEvent e) {
//        }
//        public void widgetSelected(SelectionEvent e) {
//          updateQuery();
//        }
//      });
//    }
//    query = new Label(container, SWT.WRAP);
//    GridData gridData = new GridData();
//    gridData.horizontalSpan = layoutColumns;
//    gridData.horizontalAlignment = GridData.FILL;
//    gridData.verticalAlignment = GridData.FILL;
//    gridData.grabExcessHorizontalSpace = true;
//    gridData.grabExcessVerticalSpace = true;
//    query.setLayoutData(gridData);
//
//    setControl(container);
//    updateQuery();
//
//    setPageComplete(true);
//  }
//  public void updateQuery() {
//    if (DEBUG) {
//      System.out.println("Updating delete query");
//    }
//    StringBuffer whereClause = new StringBuffer();
//    int numSelected = 0;
//    boolean first = false;
//    for (int i = 0; i < columnNames.length; i++) {
//      if (whereValues[i].getSelection()) {
//        numSelected++;
//        if (first) {
//          whereClause.append(", ");
//        }
//
//        whereClause.append(columnNames[i]);
//        whereClause.append(" = ");
//        whereClause.append("'" + values[i].getText() + "'");
//
//        first = true;
//      }
//    }
//    // if (whereClause.length() > 1) {
//    // whereClause.deleteCharAt(whereClause.length() - 1);
//    // whereClause.deleteCharAt(whereClause.length() - 1);
//    // }
//
//    String[] arguments = { row.getTable(), whereClause.toString()};
//    MessageFormat form = new
// MessageFormat(fStore.getString("phpeclipse.sql.delete.template"));
//
//    String query = form.format(arguments);
//
//    // String query = "$results = mysql_query(\"DELETE FROM " + row.getTable();
//    // if (numSelected > 0) {
//    // query += " WHERE " + whereClause.toString() + "\");";
//    // } else {
//    // query += "\");";
//    // }
//
//    if (numSelected > 0) {
//      setMessage("");
//    } else {
//      setMessage("Warning: no \"where clause\" columns selected, all rows will be
// deleted");
//    }
//
//    this.getControl().pack();
//    this.query.setText(query);
//  }
//  public boolean performFinish() {
//// PHPSourceConsole console = PHPSourceConsole.getInstance();
//// console.clear();
//// console.print(query.getText());
//    QuantumPlugin.getDefault().getSysClip().setContents(
//			new Object[] { query.getText() },
//			new Transfer[] { TextTransfer.getInstance()});
//    return true;
//  }
//}