package chess.view.consolerender;

import chess.controller.CommandExecutor;
import chess.controller.OutputSystem;
import chess.controller.commands.GetPieceAtCommand;
import chess.model.Color;
import chess.model.Coordinate;
import chess.model.Piece;

import java.util.Scanner;

public class Console implements OutputSystem {
    private final Scanner scanner = new Scanner(System.in);
    private final CommandExecutor commandExecutor;
    private final ConsolePieceName consolePieceName = new ConsolePieceName();
    public static final String ANSI_BLACK_BACKGROUND = "\u001B[40m";
    public static final String ANSI_RED_BACKGROUND = "\u001B[41m";
    public static final String ANSI_GREEN_BACKGROUND = "\u001B[42m";
    public static final String ANSI_YELLOW_BACKGROUND = "\u001B[43m";
    public static final String ANSI_BLUE_BACKGROUND = "\u001B[44m";
    public static final String ANSI_PURPLE_BACKGROUND = "\u001B[45m";
    public static final String ANSI_CYAN_BACKGROUND = "\u001B[46m";
    public static final String ANSI_WHITE_BACKGROUND = "\u001B[47m";
    public static final String ANSI_RESET = "\u001B[0m";


    public Console(CommandExecutor commandExecutor) {
        this.commandExecutor = commandExecutor;
    }

    private Piece pieceAt(int x, int y) {
        GetPieceAtCommand command = new GetPieceAtCommand(new Coordinate(x, y));
        this.commandExecutor.executeCommand(command);
        return command.getPiece();
    }

    @Override
    public void playerTurn(Color color) {

    }

    @Override
    public void winnerIs(Color color) {

    }

    @Override
    public void kingIsInCheck() {
        System.out.println("Check!");
    }

    @Override
    public void kingIsInMat() {
        System.out.println("Checkmate!");
    }

    @Override
    public void patSituation() {

    }

    @Override
    public void hasSurrendered(Color color) {
        System.out.println("The " + color + " player has surrendered!");
    }

    @Override
    public void gameStarted() {
        System.out.println("Game start:");
        updateDisplay();
    }

    @Override
    public void promotePawn(Coordinate pieceCoords) {
        System.out.println("The pawn on the " + pieceCoords + " coordinates needs to be promoted.");
        System.out.println("Enter 1 to promote it into a Bishop, 2 for a Knight, 3 for a Queen, 4 for a Rook.");
        boolean valid = false;
        do {
            try {
                int promotion = scanner.nextInt();
                if (promotion < 1 || promotion > 4) throw new Exception();
                System.out.println("blablabla");
                valid = true;

            } catch (Exception e) {
                System.out.println("Invalid input!");
            }
        } while (!valid);

    }

    @Override
    public void updateDisplay() {
        StringBuilder string = new StringBuilder();
        string.append("   a  b  c  d  e  f  g  h \n");
        for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
            string.append(8-i + " ");
            for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
                Piece p = pieceAt(j, i);
                if ((i+j)%2==0) {
                    string.append(ANSI_WHITE_BACKGROUND);
                }
                else {
                    string.append(ANSI_BLACK_BACKGROUND);
                }
                if (p == null) {
                    string.append("   " + ANSI_RESET);
                }
                else {
                    string.append(" " + consolePieceName.getString(p) + " " + ANSI_RESET );
                }
            }
            string.append("\n");
        }
        System.out.println(string);
    }
}