package lab15_observer.ex2;

public class AnalogTimer implements TimerObserver {
    private final MyTimer timer;
    private static final String[][] digits = {
        {
            "┌─┐",
            "│ │",
            "└─┘"
        },
        {
            "  ╷",
            "  │",
            "  ╵"
        },
        {
            "╶─┐",
            "┌─┘",
            "└─╴"
        },
        {
            "╶─┐",
            " ─┤",
            "╶─┘"
        },
        {
            "╷ ╷",
            "└─┤",
            "  ╵"
        },
        {
            "┌─╴",
            "└─┐",
            "╶─┘"
        },
        {
            "┌─╴",
            "├─┐",
            "└─┘"
        },
        {
            "╶─┐",
            "  │",
            "  ╵"
        },
        {
            "┌─┐",
            "├─┤",
            "└─┘"
        },
        {
            "┌─┐",
            "└─┤",
            "╶─┘"
        },
    };

    public AnalogTimer(MyTimer timer) {
        this.timer = timer;
        timer.registerObserver(this);
    }

    public void update(int hours, int minutes, int seconds) {
        String[] lines = {"", "", ""};

        addDigit(lines, hours / 10);
        addSpace(lines);
        addDigit(lines, hours % 10);

        addSep(lines);

        addDigit(lines, minutes / 10);
        addSpace(lines);
        addDigit(lines, minutes % 10);

        addSep(lines);

        addDigit(lines, seconds / 10);
        addSpace(lines);
        addDigit(lines, seconds % 10);

        System.out.println(lines[0]);
        System.out.println(lines[1]);
        System.out.println(lines[2]);
    }

    private void addDigit(String[] lines, int digit) {
        String[] parts = digits[digit];
        for (int i = 0; i < 3; i++) {
            lines[i] += parts[i];
        }
    }
    private void addSpace(String[] lines) {
        lines[0] += " ";
        lines[1] += " ";
        lines[2] += " ";
    }
    private void addSep(String[] lines) {
        lines[0] += " o ";
        lines[1] += "   ";
        lines[2] += " o ";
    }
}