/* 
 * Copyright 2005 Paul Hinds
 *
 * 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 org.tp23.antinstaller.renderer.text;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ResourceBundle;

import org.tp23.antinstaller.InstallerContext;
import org.tp23.antinstaller.input.CheckboxInput;
import org.tp23.antinstaller.input.InputField;
import org.tp23.antinstaller.input.OutputField;


public class CheckboxInputRenderer
	implements TextOutputFieldRenderer {

	protected InstallerContext ctx;

	public CheckboxInputRenderer() {
	}

	public void setContext(InstallerContext ctx) {
		this.ctx = ctx;
	}

	public void renderOutput(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
		CheckboxInput iField = (CheckboxInput) field;
		out.print(iField.getDisplayText());
		out.print("   [");
		out.print(org.tp23.antinstaller.Installer.langPack.getString("_default_"));
		out.print(":");
		out.print(iField.getDefaultValue());
		out.print("]");
		if (InputField.isTrue(iField.getForce())) {
			out.println(org.tp23.antinstaller.Installer.langPack.getString("_required_"));
			iField.setValue(iField.getDefaultValue());
			return;
		}
		else {
			out.println();
		}


		String input = reader.readLine();
		out.println();
		if (input == null || input.trim().equals("")) {
			input = iField.getDefaultValue();
		}
		if(InputField.isTrue(input)){
			iField.setValue("true");
		}
		//@TODO should accept true or false only and complain toher wise looping till sensible input
		//else if (InputField.isFalse(input)){
		//	iField.setValue("false");
		//}
		else{
			iField.setValue("false");
		}
	}

	public boolean isAbort() {
		return false;
	}



	/**
	 * renderError
	 *
	 * @param field InputField
	 * @param in InputStream
	 * @param out PrintStream
	 */
	public void renderError(OutputField field, BufferedReader reader, PrintStream out) {
	}
}