import java.util.Date;
import processing.core.PApplet;
import processing.core.PFont;

public class filegrapherscroll extends PApplet {

	int validReadingsSoFar = 0;
	long[] times;
	// int[] hearts;
	int[] breaths;
	// int smallestHeart = Integer.MAX_VALUE;
	// int largestHeart = 0;
	int smallestBreath = Integer.MAX_VALUE;
	int largestBreath = 0;
	PFont font;

	public void setup() {
		size(800, 300); // Stage size
		noStroke(); // No border on the next thing drawn
		font = createFont("ArialMT-12.vlw", 24);

		// Print a list of the serial ports, for debugging purposes to find out
		// what your ports are called:
		String[] dataLines = loadStrings("resting_horizontally.txt");
		// String[] dataLines = loadStrings("resting_horizontrees.txt");

		int numOfLines = dataLines.length;
		times = new long[numOfLines];
		// hearts = new int[numOfLines];
		breaths = new int[numOfLines];

		for (int i = 0; i < numOfLines; i++) {

			String[] fields = dataLines[i].split(",");
			if (fields.length < 3)
				continue;

			// Date d = new Date(longTime);

			try {
				times[validReadingsSoFar] = Long.parseLong(fields[0].trim());
				breaths[validReadingsSoFar] = Integer
						.parseInt(fields[1].trim());
				// hearts[validReadingsSoFar] =
				// Integer.parseInt(fields[2].trim());

				if (breaths[validReadingsSoFar] > largestBreath)
					largestBreath = breaths[validReadingsSoFar];
				if (breaths[validReadingsSoFar] < smallestBreath)
					smallestBreath = breaths[validReadingsSoFar];
				// if (hearts[validReadingsSoFar] > largestHeart)
				// largestHeart = hearts[validReadingsSoFar];
				// if (hearts[validReadingsSoFar] < smallestHeart)
				// smallestHeart = hearts[validReadingsSoFar];
				validReadingsSoFar++; // valid readings
			} catch (NumberFormatException e) {
				System.out.println("Not a Number" + dataLines[i]);
			}
		}

	}

	public void draw() {
	}

	public void mouseMoved() {
		background(50);
		smooth();
		float percentageAcrossScreen = (float) mouseX / width;
		int amountThatWontFitOnScreen = max(0, validReadingsSoFar - width);
		int offset = (int) (amountThatWontFitOnScreen * percentageAcrossScreen);
		int end = min(width + offset, validReadingsSoFar);
		for (int i = offset; i <= end; i++) {

			int xpos = i - offset;

			float breath = map(breaths[i], smallestBreath, largestBreath, 50,
					250);
			// float heart = map(hearts[i], smallestHeart, largestHeart, 300,
			// 600);
			fill(255, 255, 255);
			stroke(255, 255, 255);
			line(xpos, 0, xpos, breath);
			// ellipse(xpos, breath, 1, 1);
			// fill(0, 255, 0);
			// ellipse(xpos, heart, 2, 2);

			if (i == offset) {
				Date d = new Date(times[i]);
				textFont(font, 12);

/*				if (breath is decreasing) {
					text("inhaling", width / 2, height - 10);
				} else if (breath is increasing){
					text("exhaling", width / 2, height - 10);
				}
*/
				text(d.toString(), 0, height - 10);
				// text("Millis: " + times[i], 0, height - 10);

			} else if (i == end) {
				Date d = new Date(times[i]);
				textFont(font, 12);
				text(d.toString(), width - textWidth(d.toString()), height - 10);
				// text("Millis: " + times[i], width
				// - textWidth("Millis: " + times[i]), height - 10);
			}
		}
	}
}