package com.coder.client.gui.newProject;

import java.io.IOException;
import java.net.URL;
import java.util.HashSet;
import java.util.ResourceBundle;
import java.util.logging.Logger;

import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;

import zutil.log.LogUtil;

import com.coder.client.gui.GuiWindow;
import com.coder.server.message.ConfigData;

public class NewProjectDialog extends GuiWindow {
	public static final Logger logger = LogUtil.getLogger();
	private HashSet<NewProjectDialogListener> listeners;
	
	@FXML private Button createButton;
	@FXML private Button cancelButton;
	@FXML private TextField projectNameTextField;
	@FXML private ComboBox<String> projectTypeComboBox;
	@FXML private Label errorMessageLabel;
	
	private ObservableList<String> projectTypeList = null;

	public NewProjectDialog() throws IOException {
		super(NewProjectDialog.class.getResource("NewProjectDialog.fxml"));
		projectTypeList = FXCollections.observableArrayList();
		projectTypeComboBox.setItems(projectTypeList);
		listeners = new HashSet<NewProjectDialogListener>();
	}

	@Override
	protected void willShow() {
		for(NewProjectDialogListener listener : this.listeners){
			listener.willShow();
		}
		if(errorMessageLabel.getText() == null || errorMessageLabel.getText().isEmpty()){
			projectNameTextField.setText(null);
			projectTypeComboBox.setValue(null);
			createButton.setDisable(true);
		}
		projectNameTextField.requestFocus();
	}

	@Override
	public void initialize(URL fxmlFileLocation, ResourceBundle resources) {
		errorMessageLabel.setText("");
	}
	
	@FXML
	protected void create(ActionEvent event){
		if(projectNameTextField.getText() == null || projectNameTextField.getText().isEmpty()){
			logger.warning("Missing project name");
			return;
		}
		if(projectTypeComboBox.getValue() == null || projectTypeComboBox.getValue().isEmpty()){
			logger.warning("Missing project type");
			return;
		}
		for(NewProjectDialogListener listener : this.listeners){
			listener.create(projectNameTextField.getText(), projectTypeComboBox.getValue());
		}
	}
	
	@FXML
	protected void cancel(ActionEvent event){
		for(NewProjectDialogListener listener : this.listeners){
			listener.cancel();
		}
	}
	
	@FXML
	protected void keyPressed(KeyEvent event){
		if(projectNameTextField.getText() != null && !projectNameTextField.getText().isEmpty()){
			if(projectTypeComboBox.getValue() != null && !projectTypeComboBox.getValue().isEmpty()){
				createButton.setDisable(false);
			}
		}
		if(event.getCode().equals(KeyCode.ENTER)){
			createButton.fire();
		}else if(event.getCode().equals(KeyCode.ESCAPE)){
			cancelButton.fire();
		}
	}
	
	//TODO: react to combo box changes

	@Override
	protected String getTitle() {
		return "New Project";
	}

	public void addNewProjectDialogListener(NewProjectDialogListener newProjectDialogListener) {
		this.listeners.add(newProjectDialogListener);
	}

	public void addProjectTypeToList(String typeName, ConfigData typeData) {
		logger.fine("Adding project type \"" + typeName + "\" to the project type list");
		projectTypeList.add(typeName);
	}

	public void clearProjectTypeList() {
		projectTypeList.clear();
	}

	@Override
	public void setErrorMessage(String errorMsg) {
		errorMessageLabel.setText(errorMsg);
	}

}