package net.sourceforge.phpdt.sql.wizards;

import net.sourceforge.phpdt.sql.sql.TableRow;
import net.sourceforge.phpdt.sql.view.PHPSourceConsole;
import net.sourceforge.phpdt.sql.view.tableview.TableAdapter;

import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

public class PHPInsertRowPage extends WizardPage implements SQLPage {
  TableRow row;
  String[] columnNames;
  Text[] values;
  Label query;
  public PHPInsertRowPage(String pageName) {
    super(pageName);
  }

  public void init(TableRow row, TableAdapter adapter) {
    this.row = row;
  }

  public void createControl(Composite parent) {
    if (DEBUG) {
      System.out.println("page create control");
    }
    Composite container = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    container.setLayout(layout);
    int layoutColumns = 2;
    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()];
    Label temp = new Label(container, SWT.NULL);
    temp.setText("Column Name");
    temp = new Label(container, SWT.NULL);
    temp.setText("Value");
    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);

      //values[i].setText(data[i]);
      values[i].addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent 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 insert query");
    }
    StringBuffer fieldClause = new StringBuffer();

    StringBuffer valuesClause = new StringBuffer();
    String text;
    boolean first = false;
    for (int i = 0; i < columnNames.length; i++) {
      text = values[i].getText();
      if (! text.equals("")) {
        if (first) {
          valuesClause.append(", ");
          fieldClause.append(", ");
        }
        valuesClause.append("'"+values[i].getText()+"'");
        fieldClause.append(columnNames[i]);
        first = true;
      }
    }
//    if (valuesClause.length() > 1) {
//      valuesClause.deleteCharAt(valuesClause.length() - 1);
//      valuesClause.deleteCharAt(valuesClause.length() - 1);
//    }
    String query = "$results = mysql_query(\"INSERT INTO " + row.getTable() + " (";
    query += fieldClause.toString() + ") ";
    query += " VALUES (" + valuesClause.toString();
    query += ")\");";
    this.query.setText(query);
  }
  public boolean performFinish() {
    PHPSourceConsole console = PHPSourceConsole.getInstance();
    console.clear();
    console.print(query.getText());
    return true;
  }
}