/*
 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
 * Copyright (C) $$Year-Rel$$ The Jalview Authors
 * 
 * This file is part of Jalview.
 * 
 * Jalview 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.
 *  
 * Jalview 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 Jalview.  If not, see <http://www.gnu.org/licenses/>.
 * The Jalview Authors are detailed in the 'AUTHORS' file.
 */
package jalview.schemes;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNull;
import static org.testng.AssertJUnit.assertSame;

import jalview.gui.JvOptionPane;

import java.awt.Color;

import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

public class UserColourSchemeTest
{

  @BeforeClass(alwaysRun = true)
  public void setUpJvOptionPane()
  {
    JvOptionPane.setInteractiveMode(false);
    JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
  }

  @Test(groups = "Functional")
  public void testGetColourFromString()
  {
    /*
     * by colour name - if known to AWT, and included in
     * 
     * @see ColourSchemeProperty.getAWTColorFromName()
     */
    assertSame(Color.RED, UserColourScheme.getColourFromString("red"));
    assertSame(Color.RED, UserColourScheme.getColourFromString("Red"));
    assertSame(Color.RED, UserColourScheme.getColourFromString(" RED "));

    /*
     * by RGB hex code
     */
    String hexColour = Integer.toHexString(Color.RED.getRGB() & 0xffffff);
    assertEquals("ff0000", hexColour);
    assertEquals(Color.RED, UserColourScheme.getColourFromString(hexColour));
    // 'hex' prefixes _not_ wanted here
    assertNull(UserColourScheme.getColourFromString("0x" + hexColour));
    assertNull(UserColourScheme.getColourFromString("#" + hexColour));
    // out of range, but Color constructor just or's the rgb value with 0
    assertEquals(Color.black,
            UserColourScheme.getColourFromString("1000000"));

    /*
     * by RGB triplet
     */
    Color c = Color.pink;
    String rgb = String.format("%d,%d,%d", c.getRed(), c.getGreen(),
            c.getBlue());
    assertEquals("255,175,175", rgb);
    assertEquals(c, UserColourScheme.getColourFromString(rgb));
    assertEquals(c, UserColourScheme.getColourFromString("255, 175 , 175"));

    /*
     * odds and ends
     */
    assertNull(UserColourScheme.getColourFromString(null));
    assertNull(UserColourScheme.getColourFromString("rubbish"));
    assertEquals(Color.WHITE, UserColourScheme.getColourFromString("-1"));
    assertNull(UserColourScheme.getColourFromString(String
            .valueOf(Integer.MAX_VALUE)));
    assertNull(UserColourScheme.getColourFromString("100,200,300"));
    assertNull(UserColourScheme.getColourFromString("100,200"));
    assertNull(UserColourScheme.getColourFromString("100,200,100,200"));
  }

  @Test(groups = "Functional")
  public void testParseAppletParameter()
  {
    UserColourScheme cs = new UserColourScheme("white");
    cs.parseAppletParameter("D,E=red; K,R,H=0022FF; c=10 , 20,30");
    assertEquals(Color.RED, cs.findColour('D'));
    assertEquals(Color.RED, cs.findColour('d'));
    assertEquals(Color.RED, cs.findColour('E'));
    assertEquals(Color.RED, cs.findColour('e'));
    Color c1 = new Color(0x0022ff);
    assertEquals(c1, cs.findColour('K'));
    assertEquals(c1, cs.findColour('R'));
    assertEquals(c1, cs.findColour('h'));
    Color c2 = new Color(10, 20, 30);
    assertEquals(c2, cs.findColour('c'));

    cs = new UserColourScheme("white");
    cs.parseAppletParameter("D,E=red; K,R,H=0022FF; c=10 , 20,30;lowercase=blue;s=pink");
    assertEquals(Color.RED, cs.findColour('D'));
    assertEquals(Color.blue, cs.findColour('d'));
    assertEquals(Color.RED, cs.findColour('E'));
    assertEquals(Color.blue, cs.findColour('e'));
    assertEquals(c1, cs.findColour('K'));
    assertEquals(c1, cs.findColour('R'));
    assertEquals(Color.blue, cs.findColour('h'));
    assertEquals(c2, cs.findColour('c'));
    // 'lowercase' sets all lower-case not already set to the given colour
    assertEquals(Color.blue, cs.findColour('k'));
    assertEquals(Color.blue, cs.findColour('a'));
    assertEquals(Color.pink, cs.findColour('s'));
  }
}