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package lapr.project.ui;

import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Alert;
import javafx.scene.control.ButtonType;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.stage.Stage;
import lapr.project.controller.ReviewPendingApplicationListController;
import lapr.project.model.event.EventRegistry;

import java.net.URL;
import java.util.List;
import java.util.Optional;
import java.util.ResourceBundle;

/**
 * Review Pending applications listing
 *
 * @author gugar
 */
public class ReviewPendingApplicationListUI implements Initializable {
    /**
     * Title of the UC
     */
    @FXML
    private Label Title;
    /**
     * Subtitle of the UC
     */
    @FXML
    private Label SubTitle;
    /**
     * The Review Pending Application's list view.
     * The elements are each application description.
     */
    @FXML
    private ListView<String> rpappListView;


    /**
     * The systems event registry.
     */
    public EventRegistry eventRegistry;
    /**
     * The previously selected event name.
     */
    public String eventName;

    /**
     * The list review pending applications use case controller.
     */
    public ReviewPendingApplicationListController  reviewPendingApplicationListController;


    /**
     * Creates the list pending applications list use case controller.
     * Must be called before attempting to register an event.
     *
     * @param eventRegistry the system's event registry.
     * @param eventName the event's name
     */

    public void createUCController(EventRegistry eventRegistry, String eventName) {
        reviewPendingApplicationListController = new ReviewPendingApplicationListController(eventRegistry, eventName);
    }


    /**
     * Fills the application list view with the pending applications
     */
    public void fillApplications() {

        List<String> eventReviewPendingApps = reviewPendingApplicationListController.getPendingApplicationNames();
        ObservableList<String> reviewPendingAppsObsList = FXCollections.observableArrayList(eventReviewPendingApps);
        rpappListView.setItems(reviewPendingAppsObsList);
    }

    /**
     * Initializes the controller class.
     */
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
    }

    /**
     * Asks for confirmation and cancels the listing process.
     * @param event the action event.
     */
    @FXML
    private void Cancel(ActionEvent event) {
        Alert confirmationAlert = new Alert(Alert.AlertType.CONFIRMATION);
        confirmationAlert.setTitle("Are you sure?");
        confirmationAlert.setHeaderText("Exit the Application's Listing");
        confirmationAlert.setContentText("Are you sure that you want to exit the listing process?");

        Optional<ButtonType> result = confirmationAlert.showAndWait();
        if (result.isPresent() && result.get() == ButtonType.OK) {
            Stage stage = (Stage) Title.getScene().getWindow();
            stage.close();
        }
    }

}