package ch.zhaw.gartenverwaltung;

import ch.zhaw.gartenverwaltung.bootstrap.Inject;
import ch.zhaw.gartenverwaltung.io.PlantList;
import ch.zhaw.gartenverwaltung.models.Garden;
import ch.zhaw.gartenverwaltung.io.HardinessZoneNotSetException;
import ch.zhaw.gartenverwaltung.models.GardenSchedule;
import ch.zhaw.gartenverwaltung.models.PlantNotFoundException;
import ch.zhaw.gartenverwaltung.types.Crop;
import ch.zhaw.gartenverwaltung.types.Pest;
import ch.zhaw.gartenverwaltung.types.Plant;
import ch.zhaw.gartenverwaltung.types.Task;
import javafx.fxml.FXML;
import javafx.geometry.Pos;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.io.IOException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

public class CropDetailController {
    private Crop crop;

    @Inject
    private PlantList plantList;
    @Inject
    private GardenSchedule gardenSchedule;
    @Inject
    private Garden garden;

    private static final Logger LOG = Logger.getLogger(CropDetailController.class.getName());

    @FXML
    private ImageView imageView;

    @FXML
    private Button area_button;

    @FXML
    private Label area_label;

    @FXML
    private Label cropName_label;

    @FXML
    private Label description_label;

    @FXML
    private VBox growthPhases_vbox;

    @FXML
    private Label location_label;

    @FXML
    private Label light_label;

    @FXML
    private Button location_button;

    @FXML
    private VBox pests_vbox;

    @FXML
    private Label soil_label;

    @FXML
    private Label spacing_label;

    @FXML
    private Button editTaskList_button;

    @FXML
    void editTaskList() {

    }

    /**
     * close Window
     */
    @FXML
    void goBack() {
        Stage stage = (Stage) imageView.getScene().getWindow();
        stage.close();
    }

    /**
     * open dialog to set area
     */
    @FXML
    void setArea() {

    }

    /**
     * open dialog to set location
     */
    @FXML
    void setLocation() {

    }

    /**
     * set labels and image from selected {@link Crop}
     * set icons for buttons
     * @param crop {@link Crop} which will be displayed
     * @throws PlantNotFoundException exception
     */
    public void setPlantFromCrop(Crop crop) throws PlantNotFoundException {
        this.crop = crop;
        try {
            Plant plant = plantList.getPlantById(Settings.getInstance().getCurrentHardinessZone(), crop.getPlantId())
                    .orElseThrow(PlantNotFoundException::new);

            cropName_label.setText(plant.name());
            description_label.setText(plant.description());
            light_label.setText(String.valueOf(plant.light()));
            soil_label.setText(plant.soil());
            spacing_label.setText(plant.spacing());
            if (plant.image() != null) {
                imageView.setImage(plant.image());
            }
            area_label.setText("");
            location_label.setText("");
            createTaskLists(crop);
            createPestList(plant);
        } catch (HardinessZoneNotSetException | IOException e) {
            throw new PlantNotFoundException();
        }
        setIconToButton(editTaskList_button, "editIcon.png");
        setIconToButton(area_button, "areaIcon.png");
        setIconToButton(location_button, "locationIcon.png");
    }

    private void createTaskLists(Crop crop) {
        crop.getCropId().ifPresent(id -> {
            List<Task> taskList;
            try {
                taskList = gardenSchedule.getTaskListForCrop(id);
                for (Task task : taskList) {
                    Label label = new Label(task.getDescription());
                    growthPhases_vbox.getChildren().add(label);
                }
            } catch (IOException e) {
                // TODO: Alert
                LOG.log(Level.SEVERE, "Could not get task list for crop", e.getCause());
            }
        });
    }

    private void createPestList(Plant plant) {
        List<Pest> pests = plant.pests();
        for (Pest pest : pests) {
            Label label = new Label(pest.name() + ":");
            label.setStyle("-fx-font-weight: bold");
            HBox hBox = new HBox();
            hBox.fillHeightProperty();
            Label label1 = new Label(pest.description());
            label1.setAlignment(Pos.TOP_LEFT);
            label1.setWrapText(true);
            label1.setMaxWidth(600);
            label1.setMaxHeight(100);
            Button button = new Button("Get Counter Measures");
            hBox.getChildren().addAll(label1, button);
            pests_vbox.getChildren().addAll(label, hBox);
        }
    }

    /**
     * adds icon to button
     * @param button the button which get the icon
     * @param iconFileName file name of icon
     */
    private void setIconToButton(Button button, String iconFileName) {
        Image img = new Image(String.valueOf(getClass().getResource("icons/" + iconFileName)));
        ImageView imageView = new ImageView(img);
        imageView.setFitHeight(20);
        imageView.setPreserveRatio(true);
        button.setGraphic(imageView);
    }
}