package app.views.match.components.utils;

import app.data.entity.Game;
import app.data.entity.Player;
import app.gameimage.GameImageUtils;
import app.utils.ChessComUtils;
import app.utils.EntityComponentUtils;
import com.vaadin.flow.component.button.Button;
import com.vaadin.flow.component.button.ButtonVariant;
import com.vaadin.flow.component.html.Div;
import com.vaadin.flow.component.html.Label;
import com.vaadin.flow.component.icon.Icon;
import com.vaadin.flow.component.icon.VaadinIcon;
import com.vaadin.flow.component.orderedlayout.FlexComponent;
import com.vaadin.flow.component.orderedlayout.HorizontalLayout;

import java.util.ArrayList;
import java.util.List;

public class GameComponentUtils {
    private GameComponentUtils() {
    }

    public static int getGameNumber(Game game) {
        List<Game> games = new ArrayList<>(game.getMatch().getGames());
        int index = games.indexOf(game);
        if (index < 0) throw new IllegalStateException("The match associated with the Game does not contain the Game!");
        return games.indexOf(game) + 1;
    }

    public static String getImagePath(Game game) {
        String[] urlParts = game.getGameInfo().getChessComId().split("/");
        return GameImageUtils.IMAGE_PATH_CLIENT + urlParts[urlParts.length - 1] + GameImageUtils.EXTENSION;
    }

    public static Player getWhitePlayer(Game game) {
        return game.getPlayer1IsWhite() ? game.getMatch().getPlayer1() : game.getMatch().getPlayer2();
    }

    public static Player getBlackPlayer(Game game) {
        return game.getPlayer1IsWhite() ? game.getMatch().getPlayer2() : game.getMatch().getPlayer1();
    }

    public static Div getPlayerDiv(Game game, boolean white) {
        Player player = white ? getWhitePlayer(game) : getBlackPlayer(game);

        Div div = new Div();
        div.addClassName("player");
        div.addClassName(white ? "white-player" : "black-player");

        HorizontalLayout playerLabel = EntityComponentUtils.getPlayerLabel(player);
        playerLabel.setWidthFull();
        playerLabel.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);

        Label resultLabel = getResultLabel(game, white);
        playerLabel.add(resultLabel);

        div.add(playerLabel);

        return div;
    }

    private static Label getResultLabel(Game game, boolean white) {
        String resultString;
        switch (game.getResult()) {
            case -1:
                resultString = white ? "0" : "1";
                break;
            case 0:
                resultString = "0.5";
                break;
            case 1:
                resultString = white ? "1" : "0";
                break;
            default:
                throw new IllegalStateException(String.format("Game result must be either -1, 0, or 1, but it is %d!", game.getResult()));
        }
        Label resultLabel = new Label(resultString);
        resultLabel.addClassName("bold-label");
        return resultLabel;
    }


    public static Div getTimeControlDiv(Game game) {
        String timeControl = game.getGameInfo().getTimeControl();

        Icon icon;
        String string;
        switch (timeControl) {
            case "600":
                icon = new Icon(VaadinIcon.STOPWATCH);
                string = "10 min";
                break;
            case "300":
                icon = new Icon(VaadinIcon.BOLT);
                string = "5 min";
                break;
            case "180":
                icon = new Icon(VaadinIcon.BOMB);
                string = "3 min";
                break;
            default:
                icon = new Icon(VaadinIcon.QUESTION);
                string = String.format("Unknown Time Control: %s", timeControl);
                break;
        }

        Div div = new Div();
        div.addClassName("time-control");

        HorizontalLayout horizontalLayout = new HorizontalLayout();
        horizontalLayout.setWidthFull();
        horizontalLayout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
        horizontalLayout.add(icon, new Label(string));

        div.add(horizontalLayout);

        return div;
    }

    public static Label getHeader(Game game) {
        Label label = new Label();
        label.setText(String.format("Game %d", getGameNumber(game)));
        label.addClassName("game-header");
        return label;
    }

    public static Button getChessComButton(Game game) {
        String string = "Watch on Chess.com";
        Icon icon = new Icon(VaadinIcon.EYE);

        Button button = new Button(string, icon);
        button.setWidthFull();
        button.addThemeVariants(ButtonVariant.LUMO_PRIMARY);

        button.addClickListener(event ->
                button.getUI().ifPresent(ui ->
                        ui.getPage().open(ChessComUtils.getGameURL(game), "_blank")));
        return button;
    }

    public static Label getVsLabel() {
        Label label = new Label("vs.");
        label.addClassName("vs-label");
        return label;
    }
}