package com.mmcvey;

import java.awt.Color;

import com.pi4j.io.gpio.GpioController;

public class Main {
	private final LedStrip leds;
	private final SoundAnalyser sound;
	private boolean running;
	private int mode;
	private GpioController gpio;

	public Main(LedStrip leds, SoundAnalyser sound, GpioController gpio) {
		this.leds = leds;
		this.sound = sound;
		this.gpio = gpio;
		this.mode = 0;
	}

	public void start() {
		new Thread(() -> run()).start();
	}

	public synchronized void run() {
		running = true;
		while (running) {
			soundChange();
			softChange();
			hueCycle();
			// System.out.println(sound.getShift());
		}
		sound.stop();
		leds.stop();
		try {
			Thread.sleep(10);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		gpio.shutdown();
	}

	private void softChange() {
		long lastTime = System.nanoTime();
		float hue = 0.0f;
		int color;
		

		color = Color.HSBtoRGB(hue, 1.0f, 1.0f);
		leds.setRGB((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
		hue += 0.618033988749894f;
		lastTime = System.nanoTime();
		
		while (running && mode == 1) {
			if ((System.nanoTime() - lastTime) / 1.0e9 > 6.0) {
				color = Color.HSBtoRGB(hue, 1.0f, 1.0f);
				leds.setRGB((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
				hue += 0.618033988749894f;
				lastTime = System.nanoTime();
			}
		}
	}

	private void soundChange() {
		long lastTime = System.nanoTime();
		while (running && mode == 0) {
			if ((System.nanoTime() - lastTime) / 1.0e9 > 0.00390625) { // ~120 Hz = 0.0083333333333333, 256Hz
				// =0.00390625 , 128Hz = 0.0078125, 64Hz =
				// 0.015625, 32Hz = 0.03125, 16Hz = 0.0625
// System.out.println(1.0e9 / (System.nanoTime() - lastTime)); //check Hz
				lastTime = System.nanoTime();
				leds.setRGB(sound.getRed(), sound.getGreen(), sound.getBlue());
			}
		}
	}
	
	private void hueCycle() {
		long lastTime = System.nanoTime();
		
		float hue = 0.0f;
		int color;
		while (running && mode == 2) {
			if ((System.nanoTime() - lastTime) / 1.0e9 > 0.00390625) { // ~120 Hz = 0.0083333333333333, 256Hz
				// =0.00390625 , 128Hz = 0.0078125, 64Hz =
				// 0.015625, 32Hz = 0.03125, 16Hz = 0.0625
// System.out.println(1.0e9 / (System.nanoTime() - lastTime)); //check Hz
				lastTime = System.nanoTime();
				hue += 1.0f / 256.0f / 64.0f;
				color = Color.HSBtoRGB(hue, 1.0f, 1.0f);
				leds.setRGB((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
			}
		}
	}
	
	public void nextMode() {
		mode++;
		mode %= 3;
	}

	public void stop() {
		running = false;
	}
}