package tudelft.mentalhealth.perfectfit;

import java.io.IOException;
import java.io.InputStream;

import javax.swing.JEditorPane;
import javax.swing.JOptionPane;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import tudelft.dialogmanager.DialogState;
import tudelft.dialogmanager.answertypes.AnswerType;
import tudelft.dialogmanager.answertypes.InvalidAnswerException;
import tudelft.dialogmanager.answertypes.SelectFromListAnswer;
import tudelft.dialogmanager.stimuli.Stimulus;
import tudelft.dialogmanager.stimuli.Textual;
import tudelft.mentalhealth.perfectfit.updatefuncs.CheckDeadline;
import tudelft.mentalhealth.perfectfit.updatefuncs.DateString;
import tudelft.mentalhealth.perfectfit.updatefuncs.Example;
import tudelft.mentalhealth.perfectfit.updatefuncs.StringLength;
import tudelft.mentalhealth.perfectfit.updatefuncs.Time;
import tudelft.mentalhealth.perfectfit.updatefuncs.TimeDifference;

public class Dialog {
	private final static ObjectMapper jackson = new ObjectMapper();

	public Dialog()
			throws JsonParseException, JsonMappingException, IOException {
		jackson.registerSubtypes(Example.class, Time.class, CheckDeadline.class,
				TimeDifference.class, StringLength.class, DateString.class);

		// initialize from a demo dialog specification
		InputStream stream = getClass().getClassLoader()
				.getResourceAsStream("dialog.json");
		DialogState state = jackson.readValue(stream, DialogState.class);

		// run the demo, using popup dialogs to show questions
		while (!state.isFinal()) {
			System.out.println(state.getParameters().get("phase"));
			state = state.withUpdate(true);
			Stimulus stimulus = state.getCurrentPhase().getStimulation()
					.substitute(state.getParameters());
			if (!(stimulus instanceof Textual)) {
				throw new IllegalStateException(
						"The Demo App only supports Textual.");
			}
			String question = ((Textual) stimulus).getQuestion();
			AnswerType answertype = state.getCurrentPhase().getAnswer();
			if (answertype instanceof SelectFromListAnswer) {
				// we just show the keys, values are for fancy dispyas but user
				// has to type here.
				question += ((SelectFromListAnswer) answertype).getOptions()
						.keySet();
			}

			// we are going to present the question as html so replace newlines
			question = question.replaceAll("\n", "<br/>");
			JEditorPane questionarea = new JEditorPane("text/html", question);
			String answer = JOptionPane.showInputDialog(questionarea);
			try {
				state = state.with(answer);
				state = state.withUpdate(false);
			} catch (Exception e) {
				e.printStackTrace();
				JOptionPane.showMessageDialog(null,
						"That was not a valid answer! Please try again");
			}

		}

	}

	public static void main(String[] args) throws JsonParseException,
			JsonMappingException, IOException, InvalidAnswerException {
		new Dialog();
	}
}