/*
 * Copyright (c) 2011-2016, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.app;

import java.util.ArrayList;
import java.util.List;

/**
 * Used to specify the size of different standard pieces of paper
 *
 * @author Peter Abeles
 */
public class PaperSize {
	public static PaperSize A0 = new PaperSize("A0",841 , 1189, Unit.MILLIMETER);
	public static PaperSize A1 = new PaperSize("A1",594 , 841, Unit.MILLIMETER);
	public static PaperSize A2 = new PaperSize("A2",420 , 594, Unit.MILLIMETER);
	public static PaperSize A3 = new PaperSize("A3",297 , 420, Unit.MILLIMETER);
	public static PaperSize A4 = new PaperSize("A4",210 , 297, Unit.MILLIMETER);
	public static PaperSize LEGAL = new PaperSize("LEGAL",8.5 , 14.0, Unit.INCH);
	public static PaperSize LETTER = new PaperSize("LETTER",8.5 , 11.0, Unit.INCH);

	public PaperSize( String name , double width, double height, Unit unit) {
		this(width, height, unit);
		this.name = name;
	}
	public PaperSize(double width, double height, Unit unit) {
		this.width = width;
		this.height = height;
		this.unit = unit;
	}

	public String name;
	public Unit unit;
	public double width;
	public double height;

	public static List<PaperSize> values() {
		return values;
	}
	private static final List<PaperSize> values = new ArrayList<>();

	static {
		values.add(A0);
		values.add(A1);
		values.add(A2);
		values.add(A3);
		values.add(A4);
		values.add(LEGAL);
		values.add(LETTER);
	}

	/**
	 * Sees if the specified work matches any of the units full name or short name.
	 */
	public static PaperSize lookup( String word ) {
		for( PaperSize paper : values ) {
			if( paper.name.compareToIgnoreCase(word) == 0 ) {
				return paper;
			}
		}

		return null;
	}

	public double convertWidth( Unit outputUnit ) {
		return this.unit.convert(width,outputUnit);
	}

	public double convertHeight( Unit outputUnit ) {
		return this.unit.convert(height,outputUnit);
	}

	public Unit getUnit() {
		return unit;
	}

	public double getWidth() {
		return width;
	}

	public double getHeight() {
		return height;
	}

	public String getName() {
		return name;
	}

	@Override
	public String toString() {
		String output = "";
		if( name != null )
			output += name+" ";
		output += String.format("%4.1f x %4.1f",width,height);
		if( unit != null)
			output += "  "+unit.abbreviation;
		return output;
	}
}