package gui;

import static data.Enums.solar.SolarFilters.*;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

import javafx.application.HostServices;
import javafx.scene.control.Hyperlink;
import org.controlsfx.control.CheckComboBox;

import data.Corpus;
import javafx.collections.ListChangeListener;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.layout.AnchorPane;
import util.Util;

public class FiltersForSolar {

	@FXML
	public AnchorPane solarFiltersTabPane;
	@FXML
	public CheckComboBox<String> solarRegijaCCB;
	@FXML
	public CheckComboBox<String> solarPredmetCCB;
	@FXML
	public CheckComboBox<String> solarRazredCCB;
	@FXML
	public CheckComboBox<String> solarLetoCCB;
	@FXML
	public CheckComboBox<String> solarSolaCCB;
	@FXML
	public CheckComboBox<String> solarVrstaBesedilaCCB;
	@FXML
	public Label selectedFiltersLabel;
	@FXML
	private Hyperlink helpH;

	private HashMap<String, ObservableList<String>> selectedFilters;
	private Corpus corpus;

	private StringAnalysisTabNew2 satNew2Controller;
	private OneWordAnalysisTab oneWordTabController;
	private CharacterAnalysisTab catController;
	//private WordFormationTab wfController;
	private WordLevelTab wlController;
	private HostServices hostService;

	@SuppressWarnings("unchecked")
	public void initialize() {
		selectedFilters = new HashMap<>();

		solarRegijaCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(REGIJA, solarRegijaCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

		solarPredmetCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(PREDMET, solarPredmetCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

		solarRazredCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(RAZRED, solarRazredCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

		solarLetoCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(LETO, solarLetoCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

		solarSolaCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(SOLA, solarSolaCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

		solarVrstaBesedilaCCB.getCheckModel().getCheckedItems().addListener((ListChangeListener) c -> {
			selectedFilters.put(TIP, solarVrstaBesedilaCCB.getCheckModel().getCheckedItems());
			updateSolarFilterLabel();
		});

        helpH.setOnAction(e -> openHelpWebsite());
	}

	public void initFilters() {
		solarRegijaCCB.getItems().removeAll();
		solarRegijaCCB.getItems().setAll(corpus.getSolarFilters().get(REGIJA));
		solarRegijaCCB.getItems().sorted();
		solarPredmetCCB.getItems().removeAll();
		solarPredmetCCB.getItems().setAll(corpus.getSolarFilters().get(PREDMET));
		solarPredmetCCB.getItems().sorted();
		solarRazredCCB.getItems().removeAll();
		solarRazredCCB.getItems().setAll(corpus.getSolarFilters().get(RAZRED));
		solarRazredCCB.getItems().sorted();
		solarLetoCCB.getItems().removeAll();
		solarLetoCCB.getItems().setAll(corpus.getSolarFilters().get(LETO));
		solarLetoCCB.getItems().sorted();
		solarSolaCCB.getItems().removeAll();
		solarSolaCCB.getItems().setAll(corpus.getSolarFilters().get(SOLA));
		solarSolaCCB.getItems().sorted();
		solarVrstaBesedilaCCB.getItems().removeAll();
		solarVrstaBesedilaCCB.getItems().setAll(corpus.getSolarFilters().get(TIP));
		solarVrstaBesedilaCCB.getItems().sorted();
	}

	private void updateSolarFilterLabel() {
		if (Util.isMapEmpty(selectedFilters)) {
			setSOlarFIlterLabelText("/");
		} else {
			StringBuilder allFilters = new StringBuilder();
			for (Map.Entry<String, ObservableList<String>> entry : selectedFilters.entrySet()) {
				ArrayList<String> values = new ArrayList<>(entry.getValue());

				if (!values.isEmpty()) {
					allFilters.append(entry.getKey())
							.append(": ");

					for (int i = 0; i < values.size(); i++) {
						allFilters.append(values.get(i));

						if (i < values.size() - 1) {
							// so we won't append a comma after the last element
							allFilters.append(", ");
						}
					}
					allFilters.append("\n\n");
				}
			}

			setSOlarFIlterLabelText(allFilters.toString());
		}

		HashMap<String, HashSet<String>> solarFiltersMap = new HashMap<>();
		for (Map.Entry<String, ObservableList<String>> e : selectedFilters.entrySet()) {
			HashSet<String> values = new HashSet<>();
			values.addAll(e.getValue());

			solarFiltersMap.put(e.getKey(), values);
		}

		satNew2Controller.setSolarFiltersMap(solarFiltersMap);
		oneWordTabController.setSolarFiltersMap(solarFiltersMap);
		catController.setSolarFiltersMap(solarFiltersMap);
		//wfController.setSolarFiltersMap(solarFiltersMap);
		wlController.setSolarFiltersMap(solarFiltersMap);
	}

	private void openHelpWebsite(){
		hostService.showDocument(Messages.HELP_URL);
	}

	private void setSOlarFIlterLabelText(String content) {
		selectedFiltersLabel.setText(content);
		satNew2Controller.setSelectedFiltersLabel(content);
		oneWordTabController.setSelectedFiltersLabel(content);
		catController.setSelectedFiltersLabel(content);
		//wfController.setSelectedFiltersLabel(content);
		wlController.setSelectedFiltersLabel(content);
	}

	public void setCorpus(Corpus corpus) {
		this.corpus = corpus;
	}

	public void setSatNew2Controller(StringAnalysisTabNew2 satNew2Controller) { this.satNew2Controller = satNew2Controller; }

	public void setOneWordTabController(OneWordAnalysisTab oneWordTabController) { this.oneWordTabController = oneWordTabController; }

	public void setCatController(CharacterAnalysisTab catController) { this.catController = catController; }

	/*public void setWfController(WordFormationTab wfController) {
		this.wfController = wfController;
	}*/

	public void setWlController(WordLevelTab wlController) {
		this.wlController = wlController;
	}

	public void setHostServices(HostServices hostServices){
		this.hostService = hostServices;
	}
}