From 17ab500f0e0e366f509bbdf3891ad2c53ea74d7e Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 8 Aug 2013 02:20:14 +0200
Subject: [PATCH] Show estimated time left on running downloads.

---
 .../pterodactylus/xdcc/ui/stdin/CommandReader.java | 27 ++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/main/java/net/pterodactylus/xdcc/ui/stdin/CommandReader.java b/src/main/java/net/pterodactylus/xdcc/ui/stdin/CommandReader.java
index 5feabd7..26696f9 100644
--- a/src/main/java/net/pterodactylus/xdcc/ui/stdin/CommandReader.java
+++ b/src/main/java/net/pterodactylus/xdcc/ui/stdin/CommandReader.java
@@ -139,15 +139,15 @@ public class CommandReader extends AbstractExecutionThreadService {
 					}
 					writer.write(String.format("[%d] %s from %s (%s, ", counter++, dccReceiver.filename(), download.bot().name(), f(dccReceiver.size())));
 					if (dccReceiver.isRunning()) {
-						writer.write(String.format("%.1f%%, %s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate())));
+						writer.write(String.format("%.1f%%, %s/s, %s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate()), getTimeLeft(dccReceiver)));
 					} else {
 						if (dccReceiver.progress() >= dccReceiver.size()) {
-							writer.write(String.format("complete, %s", f(dccReceiver.overallRate())));
+							writer.write(String.format("complete, %s/s", f(dccReceiver.overallRate())));
 						} else {
-							writer.write(String.format("aborted at %.1f%%, %s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate())));
+							writer.write(String.format("aborted at %.1f%%, %s/s", dccReceiver.progress() * 100.0 / dccReceiver.size(), f(dccReceiver.currentRate())));
 						}
 					}
-					writer.write("/s)\n");
+					writer.write(")\n");
 				}
 				writeLine("End of DCCs.");
 			} else if (words[0].equalsIgnoreCase("get")) {
@@ -315,6 +315,25 @@ public class CommandReader extends AbstractExecutionThreadService {
 		return String.format("%dB", number);
 	}
 
+	/**
+	 * Returns the estimated time left for the given transfer.
+	 *
+	 * @param dccReceiver
+	 * 		The DCC receiver to get the time left for
+	 * @return The time left for the transfer, or “unknown” if the time can not be
+	 *         estimated
+	 */
+	private static String getTimeLeft(DccReceiver dccReceiver) {
+		if ((dccReceiver.size() == -1) || (dccReceiver.currentRate() == 0)) {
+			return "unknown";
+		}
+		long secondsLeft = (dccReceiver.size() - dccReceiver.progress()) / dccReceiver.currentRate();
+		if (secondsLeft > 3600) {
+			return String.format("%02d:%02d:%02d", secondsLeft / 3600, (secondsLeft / 60) % 60, secondsLeft % 60);
+		}
+		return String.format("%02d:%02d", (secondsLeft / 60) % 60, secondsLeft % 60);
+	}
+
 	/** Container for result information. */
 	private static class Result implements Comparable<Result> {
 
-- 
2.7.4