package ch.makery.address;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.prefs.Preferences;

import com.thoughtworks.xstream.XStream;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.Dialogs;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Modality;
import javafx.stage.Stage;
import ch.makery.address.model.Abscence;
import ch.makery.address.MainApp;
import ch.makery.address.util.CalendarUtil;
import ch.makery.address.util.FileUtil;

/**
 * 
 * @author Anohjp
 *
 */

public class AbscenceListController {
	@FXML 
	protected TableView<Abscence> abscenceTable;
	@FXML
	private TableColumn<Abscence, String> nomPersColumn;
	@FXML
	private TableColumn<Abscence, String> prenomPersColumn;
	
	@FXML
	private Label nomPersLabel;
	@FXML
	private Label prenomPersLabel;
	@FXML
	private Label fonctionLabel;
	@FXML
	private Label dateDebutLabel;
	@FXML
	private Label dateFinLabel;
	@FXML
	private Label dureeLabel;
	@FXML
	private Label motifLabel;
	
	private ObservableList<Abscence> abscenceData = FXCollections.observableArrayList();
	//private Stage primaryStageAbsc;
	
	// Creation d constructeur
	public AbscenceListController(){
		
		abscenceData.add(new Abscence("Jean", "Ezan"));
		abscenceData.add(new Abscence("Paul", "Anoh"));
		abscenceData.add(new Abscence("Germain", "Ezan"));
		abscenceData.add(new Abscence("Jean", "Anoh"));
		abscenceData.add(new Abscence("Paul", "Ezan"));
		abscenceData.add(new Abscence("Germain", "Anoh"));
		
	}
	
	@FXML
	private void initialize() {
		
		// Initialise la table permission
		nomPersColumn.setCellValueFactory(new PropertyValueFactory<Abscence, String>("nomPers"));
		prenomPersColumn.setCellValueFactory(new PropertyValueFactory<Abscence, String>("prenomPers"));
		
		// Auto resize columns
		abscenceTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);

		// effacer permission
		showAbscenceDetails(null);
		
		// Listen for selection changes/ Ecouteur de changement de selection
		abscenceTable.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Abscence>() {

			@Override
			public void changed(ObservableValue<? extends Abscence> observable,
					Abscence oldValue, Abscence newValue) {
				showAbscenceDetails(newValue);
			}
		});
	}
	
	/**
	 * Is called by the main application to give a reference back to itself.
	 * 
	 * @param mainApp
	 */
	public void setMainApp(MainApp mainApp) {
		// Add observable list data to the table
		abscenceTable.setItems(getAbscenceData());
	}
	
	/**
	 * Returns the data as an observable list of Permission
	 * @return
	 */
	public ObservableList<Abscence> getAbscenceData() {
		return abscenceData;
	}
	
	public File getAbscenceFilePath() {
		Preferences prefs = Preferences.userNodeForPackage(AbscenceListController.class);
		String filePath = prefs.get("filePath", null);
		if (filePath != null) {
			return new File(filePath);
		} else {
			return null;
		}
	}
	
	//private Stage primaryStage;
	public void setAbscenceFilePath(File file) {
		Preferences prefs = Preferences.userNodeForPackage(AbscenceListController.class);
		if (file != null) {
			prefs.put("filePath", file.getPath());
			
			// Update the stage title
			//primaryStage.setTitle("Abscence - " + file.getName());
		} else {
			prefs.remove("filePath");
			
			// Update the stage title
			//primaryStage.setTitle("Abscence");
		}
	}
	
	@SuppressWarnings("unchecked")
	public void loadAbscenceDataFromFile(File file) {
		XStream xstreamAbscence = new XStream();
		xstreamAbscence.alias("abscence", Abscence.class);
		
		try {
			String xml = FileUtil.readFile(file);
			
			ArrayList<Abscence> abscenceList = (ArrayList<Abscence>) xstreamAbscence.fromXML(xml);
			
			abscenceData.clear();
			abscenceData.addAll(abscenceList);
			
			setAbscenceFilePath(file);
		} catch (Exception e) { // catches ANY exception
			Dialogs.showErrorDialog(null,
					"Could not load data from file:\n" + file.getPath(),
					"Could not load data", "Error", e);
		}
	}
	
	public void saveAbscenceDataToFile(File file) {
		XStream xstream = new XStream();
		xstream.alias("abscence", Abscence.class);

		// Convert ObservableList to a normal ArrayList
		ArrayList<Abscence> abscenceList = new ArrayList<>(abscenceData);
		
		String xml = xstream.toXML(abscenceList);
		try {
			FileUtil.saveFile(xml, file);
			
			setAbscenceFilePath(file);
		} catch (Exception e) { // catches ANY exception
			Dialogs.showErrorDialog(null,
					"Could not save data to file:\n" + file.getPath(),
					"Could not save data", "Error", e);
		}
	}
	/**
	 * Fills all text fields to show details about the permission.
	 * If the specified permission is null, all text fields are cleared.
	 * 
	 * @param permission the permission or null
	 */
	protected void showAbscenceDetails(Abscence abscence) {
		if (abscence != null) {
			nomPersLabel.setText(abscence.getNomPers());
			prenomPersLabel.setText(abscence.getPrenomPers());
			fonctionLabel.setText(abscence.getFonction());
			dateDebutLabel.setText(CalendarUtil.format(abscence.getDateDebut()));
			dateFinLabel.setText(CalendarUtil.format(abscence.getDateFin()));
			dureeLabel.setText(Integer.toString(abscence.getDureePerm()));
			motifLabel.setText(abscence.getMotif());
			
			
		} else {
			nomPersLabel.setText("");
			prenomPersLabel.setText("");
			fonctionLabel.setText("");
			dateDebutLabel.setText("");
			dateFinLabel.setText("");
			dureeLabel.setText("");
			motifLabel.setText("");

		}
	}
	
	
	
	public  boolean showAbscenceEdit(Abscence abscence){
		try {
		
		FXMLLoader loader2 = new FXMLLoader(AbscenceListController.class.getResource("view/AbscenceEdit.fxml"));
		AnchorPane page = (AnchorPane) loader2.load();
		Stage dialogStage = new Stage();
		dialogStage.setTitle("Formulaire Abscence");
		dialogStage.initModality(Modality.WINDOW_MODAL);
		dialogStage.initOwner(dialogStage);
		Scene scene = new Scene(page);
		dialogStage.setScene(scene);
		dialogStage.show();
		
		// Set the permission formulaire into the controller
		AbscenceEditController<?> controller = loader2.getController();
	    controller.setDialogStage(dialogStage);
	    controller.setAbscence(abscence);

		return controller.isValideClicked();
		
		} catch (IOException e) {
			// TODO Bloc catch généré automatiquement
			e.printStackTrace();
			return false;
		}
					
	}
	
	
	/**
	 * Called when the user clicks the new button.
	 * Opens a dialog to edit details for a new person.
	*/
	@FXML
	private void handleNouvelleAbscence() {
		Abscence tempAbscence = new Abscence();
		boolean nouveauClicked = showAbscenceEdit(tempAbscence);
		if (nouveauClicked) {
			getAbscenceData().add(tempAbscence);
		}
	} 
	
	/*@FXML
	
	  private void handleNew() {
	      mainApp.getFormPermissionData().clear();
	      mainApp.setFormPermissionFilePath(null);
	  }
	  */
	
	/**
	 * 
	 * @return table Abscence
	 */
	//protected Stage getPrimaryStageAbsc() {
		// TODO Stub de la méthode généré automatiquement
		//return primaryStageAbsc;
	//}
	/**
	 * 
	 */
	@FXML
	private void handleModifierAbscence() {
		Abscence selectedAbscence = abscenceTable.getSelectionModel().getSelectedItem();
		if (selectedAbscence != null) {
			boolean okClicked = showAbscenceEdit(selectedAbscence);
			if (okClicked) {
				refreshAbscenceTable();
				showAbscenceDetails(selectedAbscence);
			}
			
		} else {
			// Nothing selected
			Dialogs.showWarningDialog(null,
					"Veillez sélectionnez une personne dans la Table.",
					"Pas de Personne Sélectionnée", "Pas de Sélection");
		}
	}
	
	/**
	 * Called when the user clicks on the delete button.
	 */
	@FXML
	private void handleSupprimerAbscence() {
		int selectedIndex = abscenceTable.getSelectionModel().getSelectedIndex();
		if (selectedIndex >= 0) {
			abscenceTable.getItems().remove(selectedIndex);
		} else {
			// Nothing selected
			Dialogs.showWarningDialog(null,
					"Please select a person in the table.",
					"No Person Selected", "No Selection");
		}
	}

	
	
	
	
	/**
	 * Refreshes the table. This is only necessary if an item that is already in
	 * the table is changed. New and deleted items are refreshed automatically.
	 * 
	 * This is a workaround because otherwise we would need to use property
	 * bindings in the model class and add a *property() method for each
	 * property. Maybe this will not be necessary in future versions of JavaFX
	 * (see http://javafx-jira.kenai.com/browse/RT-22599)
	 */

	protected void refreshAbscenceTable() {
		int selectedIndex = abscenceTable.getSelectionModel().getSelectedIndex();
		abscenceTable.setItems(null);
		abscenceTable.layout();
		abscenceTable.setItems(getAbscenceData());
		// Must set the selected index again (see http://javafx-jira.kenai.com/browse/RT-26291)
		abscenceTable.getSelectionModel().select(selectedIndex);
	}
	
	

}// Fin de la classe PermissionListController