/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

/**
 * Code taken from Cornell's version of Logisim:
 * http://www.cs.cornell.edu/courses/cs3410/2015sp/
 */

package com.cburch.logisim.gui.test;

import java.awt.BorderLayout;
import java.awt.Color;

import javax.swing.JPanel;

import com.cburch.logisim.data.BitWidth;
import com.cburch.logisim.data.FailException;
import com.cburch.logisim.data.TestException;
import com.cburch.logisim.data.TestVector;
import com.cburch.logisim.data.Value;
import com.cburch.logisim.gui.log.ValueTable;
import com.cburch.logisim.util.StringUtil;

class TestPanel extends JPanel implements ValueTable.Model {

	private class MyListener implements ModelListener {

		public void testingChanged() {
		}

		public void testResultsChanged(int numPass, int numFail) {
			table.dataChanged();
		}

		public void vectorChanged() {
			table.modelChanged();
		}

	}
	private static final long serialVersionUID = 1L;

	static final Color failColor = new Color(0xff9999);

	private TestFrame testFrame;
	private ValueTable table;
	private MyListener myListener = new MyListener();

	public TestPanel(TestFrame frame) {
		this.testFrame = frame;
		table = new ValueTable(getModel() == null ? null : this);
		setLayout(new BorderLayout());
		add(table);
		modelChanged(null, getModel());
	}

	public void changeColumnValueRadix(int i) {
		if (i == 0)
			return;
		TestVector vec = getModel().getVector();
		switch (vec.columnRadix[i - 1]) {
		case 2:
			vec.columnRadix[i - 1] = 10;
			break;
		case 10:
			vec.columnRadix[i - 1] = 16;
			break;
		default:
			vec.columnRadix[i - 1] = 2;
			break;
		}
		table.modelChanged();
	}

	public int getColumnCount() {
		TestVector vec = getModel().getVector();
		return vec == null ? 0 : vec.columnName.length + 1;
	}

	public String getColumnName(int i) {
		TestVector vec = getModel().getVector();
		return i == 0 ? Strings.get("statusHeader") : vec.columnName[i - 1];
	}

	// ValueTable.Model implementation

	public int getColumnValueRadix(int i) {
		TestVector vec = getModel().getVector();
		return i == 0 ? 0 : vec.columnRadix[i - 1];
	}

	public BitWidth getColumnValueWidth(int i) {
		TestVector vec = getModel().getVector();
		return i == 0 ? null : vec.columnWidth[i - 1];
	}

	Model getModel() {
		return testFrame.getModel();
	}

	public int getRowCount() {
		TestVector vec = getModel().getVector();
		return vec == null ? 0 : vec.data.size();
	}

	public void getRowData(int firstRow, int numRows,
			ValueTable.Cell[][] rowData) {
		Model model = getModel();
		TestException[] results = model.getResults();
		int numPass = model.getPass();
		int numFail = model.getFail();
		TestVector vec = model.getVector();
		int columns = vec.columnName.length;
		String msg[] = new String[columns];
		Value[] altdata = new Value[columns];
		String passMsg = Strings.get("passStatus");
		String failMsg = Strings.get("failStatus");

		for (int i = firstRow; i < firstRow + numRows; i++) {
			int row = model.sortedIndex(i);
			Value[] data = vec.data.get(row);
			String rowmsg = null;
			String status = null;
			boolean failed = false;
			if (row < numPass + numFail) {
				TestException err = results[row];
				if (err != null && err instanceof FailException) {
					failed = true;
					for (FailException e = (FailException) err; e != null; e = e
							.getMore()) {
						int col = e.getColumn();
						msg[col] = StringUtil.format(Strings
								.get("expectedValueMessage"), e.getExpected()
								.toDisplayString(getColumnValueRadix(col + 1)));
						altdata[col] = e.getComputed();
					}
				} else if (err != null) {
					failed = true;
					rowmsg = err.getMessage();
				}
				status = failed ? failMsg : passMsg;
			}

			rowData[i - firstRow][0] = new ValueTable.Cell(status,
					rowmsg != null ? failColor : null, null, rowmsg);

			for (int col = 0; col < columns; col++) {
				rowData[i - firstRow][col + 1] = new ValueTable.Cell(
						altdata[col] != null ? altdata[col] : data[col],
						msg[col] != null ? failColor : null, null, msg[col]);
				msg[col] = null;
				altdata[col] = null;
			}
		}
	}

	public void localeChanged() {
		table.modelChanged();
	}

	public void modelChanged(Model oldModel, Model newModel) {
		if (oldModel != null)
			oldModel.removeModelListener(myListener);
		if (newModel != null)
			newModel.addModelListener(myListener);
		table.setModel(newModel == null ? null : this);
	}

}