Fix quit command and move help command

[kaka/cakelight.git] / src / kaka / cakelight / Commands.java

package kaka.cakelight;

import kaka.cakelight.mode.AmbientMode;
import kaka.cakelight.mode.SingleColorMode;
import kaka.cakelight.mode.SunriseMode;
import kaka.cakelight.mode.TwoColorNoiseMode;
import kaka.cakelight.mode.VideoMode;

import java.util.function.BiFunction;

class Commands {
    private static Console.Command command(String[] names, BiFunction<Console, String[], Boolean> activate) {
        return new Console.Command() {
	    @Override
	    public String[] getNames() {
		return names;
	    }

	    @Override
	    public void activate(Console console, String[] args) {
		if (!activate.apply(console, args)) {
		    console.out("did NOT run command");
		}
	    }
	};
    }

    static Console.Command help() {
	return command(new String[] {"?", "h", "help"}, (console, args) -> {
	    for (Console.Command c : console.getCommands()) {
		System.out.println(String.join("|", c.getNames()));
	    }
	    return true;
	});
    }

    static Console.Command quit() {
	return command(new String[] {"q", "quit"}, (console, args) -> {
	    console.quit();
	    console.out("terminating");
	    return true;
	});
    }

    static Console.Command video() {
        return command(new String[] {"v", "video"}, (console, args) -> {
	    console.getCakelight().setMode(new VideoMode());
	    return true;
	});
    }

    static Console.Command color() {
        return command(new String[] {"c", "col", "color"}, (console, args) -> {
            Color c = null;
            if (args.length == 1) {
		c = console.parseColor(args[0]);
	    } else if (args.length == 3) {
		c = Color.rgb(
			Integer.parseInt(args[0]),
			Integer.parseInt(args[1]),
			Integer.parseInt(args[2])
		);
	    }
            if (c != null) {
		console.getCakelight().setMode(new SingleColorMode(c));
		console.out("setting color to " + c);
		return true;
            } else {
		return false;
	    }
	});
    }

    static Console.Command brightness() {
	return command(new String[] {"b", "brightness"}, (console, args) -> {
	    if (args.length == 1) {
	        int b = Integer.parseInt(args[0].replaceAll("[+-]+", ""));
	        if (args[0].startsWith("+")) {
		    b = Math.min(console.getConfig().leds.brightness + b, 31);
		} else if (args[0].startsWith("-")) {
		    b = Math.max(console.getConfig().leds.brightness - b, 0);
		}
		console.getConfig().leds.brightness = b;
		console.out("setting brightness to " + b);
		return true;
	    } else {
		return false;
	    }
	});
    }

    static Console.Command gamma() {
	return command(new String[] {"g", "gamma"}, (console, args) -> {
	    if (args.length == 1) {
		double g = Double.parseDouble(args[0]);
		console.getConfig().gamma = g;
		Color.calculateGammaCorrection(g);
		console.out("setting gamma to " + g);
		return true;
	    } else {
		return false;
	    }
	});
    }

    static Console.Command saturation() {
	return command(new String[] {"s", "saturation"}, (console, args) -> {
	    if (args.length == 1) {
		double s = Double.parseDouble(args[0]);
		console.getConfig().video.saturation = s;
		console.out("setting saturation to " + s);
		return true;
	    } else {
		return false;
	    }
	});
    }

    static Console.Command ambientMode() {
        return command(new String[] {"m", "mode"}, (console, args) -> {
	    if (args.length == 1) {
		console.getCakelight().setMode(new AmbientMode(new String[] {args[0]}));
		console.out("setting ambient mode to " + args[0]);
		return true;
	    } else {
	        return false;
	    }
	});
    }

    static Console.Command twoColorNoiseMode() {
        return command(new String[] {"n", "noise"}, (console, args) -> {
	    if (args.length == 2) {
		console.getCakelight().setMode(new TwoColorNoiseMode(
			console.parseColor(args[0]),
			console.parseColor(args[1])
		));
		console.out("setting two-color noise mode");
		return true;
	    } else {
	        return false;
	    }
	});
    }

    static Console.Command sunriseMode() {
        return command(new String[] {"sunrise"}, (console, args) -> {
	    if (args.length == 1) {
		int durationSeconds = Integer.parseInt(args[0]);
		console.getCakelight().setMode(new SunriseMode(durationSeconds));
		console.out("setting sunrise mode with duration " + durationSeconds);
		return true;
	    } else {
	        return false;
	    }
	});
    }
}