package comp125;

import static org.junit.Assert.*;

import java.io.IOException;

import org.junit.Test;

/**
 * A Class that looks at all the CSVs in a directory
 *
 * @author josh.soutar
 *
 */

public class TrackLogTest {

	/**
	 * Tests the creation and size of a directory
	 *
	 * @param
	 */

	@Test
	public void testTrackLogString() throws IOException {
		// test that we can make a tracklog from a directory full of
		// csv files
		final String directory = "data";
		TrackLog tl = new TrackLog(directory);
		assertEquals(8, tl.size());

	}

	/**
	 * Arrange Test that takes a sample of expected string values which will
	 * fail if the sample is not contained within the string
	 *
	 * @param
	 */

	@Test
	public void testToString() throws IOException {

		TrackLog logs = new TrackLog("data");
		String trackSummary = logs.toString();

		// Track summary of first log
		assertTrue(trackSummary
				.contains("Filename: data/bobbin-head.csv, Distance: 9.03199518670082, Elevation: 218.00000000000074, Timestamp: 2014-08-06T21:01:50Z,"));

		// Track summary of middle log
		assertTrue(trackSummary
				.contains("Filename: data/offroad.csv, Distance: 19.569013073057786, Elevation: 78.4, Timestamp: 2014-06-01T09:14:18Z, "));

		// Track summary of last log
		assertTrue(trackSummary
				.contains("Filename: data/ttt.csv, Distance: 17.54949730369033, Elevation: 283.0, Timestamp: 2014-07-19T02:44:26Z,"));

	}

	/**
	 * Test the order of TrackLog array based on shortest distance
	 *
	 * @param value
	 * @throws IOException
	 *             Report if input file is bad
	 */

	// Check if every distance element is greater than the one before it
	@Test
	public void testSortDistance() throws IOException {

		final String directory = "data";
		TrackLog tl = new TrackLog(directory);

		TrackLog.sortDistance(TrackLog.tracksTest);

		for (int i = 1; i < tl.size(); i++) {

			assertTrue(TrackLog.tracksTest[i].getDistance() >= TrackLog.tracksTest[i - 1]
					.getDistance());
			System.out.println("index " + i + " - "
					+ TrackLog.tracksTest[i].getDistance() + " >= " + "index "
					+ (i - 1) + " - "
					+ TrackLog.tracksTest[i - 1].getDistance());

		}
	}

	/**
	 * Arrange time stamp summaries based on earliest time to latest
	 *
	 * @param
	 */

	// Check if every time stamp element is greater than the one before it
	@Test
	public void testSortTimestamp() throws IOException {

		final String directory = "data";
		TrackLog tl = new TrackLog(directory);

		TrackLog.sortTimestamp(TrackLog.tracksTest);

		for (int i = 1; i < tl.size(); i++) {

			System.out.println("index " + i + " - "
					+ TrackLog.tracksTest[i].getTimestamp() + " >= " + "index "
					+ (i - 1) + " - "
					+ TrackLog.tracksTest[i - 1].getTimestamp());
			assertTrue(TrackLog.tracksTest[i].getTimestamp().compareTo(
					TrackLog.tracksTest[i - 1].getTimestamp()) >= 0);

		}
	}
}