Do not crash on bad configs

ArchiSteamFarm/ArchiWebHandler.cs

@@ -46,6 +46,10 @@ namespace ArchiSteamFarm {
 		}
 
 		internal ArchiWebHandler(Bot bot) {
+			if (bot == null) {
+				return;
+			}
+
 			Bot = bot;
 		}
 

ArchiSteamFarm/CardsFarmer.cs

@@ -35,7 +35,7 @@ using System.Threading.Tasks;
 namespace ArchiSteamFarm {
 	internal sealed class CardsFarmer {
 		internal readonly ConcurrentDictionary<uint, float> GamesToFarm = new ConcurrentDictionary<uint, float>();
-		internal readonly List<uint> CurrentGamesFarming = new List<uint>();
+		internal readonly HashSet<uint> CurrentGamesFarming = new HashSet<uint>();
 
 		private readonly ManualResetEvent FarmResetEvent = new ManualResetEvent(false);
 		private readonly SemaphoreSlim Semaphore = new SemaphoreSlim(1);
@@ -47,24 +47,28 @@ namespace ArchiSteamFarm {
 		private bool NowFarming = false;
 
 		internal CardsFarmer(Bot bot) {
+			if (bot == null) {
+				return;
+			}
+
 			Bot = bot;
 
-			if (Timer == null) {
+			if (Program.GlobalConfig.IdleFarmingPeriod > 0 && Timer == null) {
 				Timer = new Timer(
 					async e => await CheckGamesForFarming().ConfigureAwait(false),
 					null,
-					TimeSpan.FromMinutes(15), // Delay
+					TimeSpan.FromHours(Program.GlobalConfig.IdleFarmingPeriod), // Delay
-					TimeSpan.FromMinutes(60) // Period
+					TimeSpan.FromHours(Program.GlobalConfig.IdleFarmingPeriod) // Period
 				);
 			}
 		}
 
-		internal static List<uint> GetGamesToFarmSolo(ConcurrentDictionary<uint, float> gamesToFarm) {
+		internal static HashSet<uint> GetGamesToFarmSolo(ConcurrentDictionary<uint, float> gamesToFarm) {
 			if (gamesToFarm == null) {
 				return null;
 			}
 
-			List<uint> result = new List<uint>();
+			HashSet<uint> result = new HashSet<uint>();
 			foreach (KeyValuePair<uint, float> keyValue in gamesToFarm) {
 				if (keyValue.Value >= 2) {
 					result.Add(keyValue.Key);
@@ -177,10 +181,10 @@ namespace ArchiSteamFarm {
 			if (Bot.BotConfig.CardDropsRestricted) { // If we have restricted card drops, we use complex algorithm
 				Logging.LogGenericInfo("Chosen farming algorithm: Complex", Bot.BotName);
 				while (GamesToFarm.Count > 0) {
-					List<uint> gamesToFarmSolo = GetGamesToFarmSolo(GamesToFarm);
+					HashSet<uint> gamesToFarmSolo = GetGamesToFarmSolo(GamesToFarm);
 					if (gamesToFarmSolo.Count > 0) {
 						while (gamesToFarmSolo.Count > 0) {
-							uint appID = gamesToFarmSolo[0];
+							uint appID = gamesToFarmSolo.First();
 							if (await FarmSolo(appID).ConfigureAwait(false)) {
 								farmedSomething = true;
 								Logging.LogGenericInfo("Done farming: " + appID, Bot.BotName);
@@ -193,7 +197,6 @@ namespace ArchiSteamFarm {
 						}
 					} else {
 						if (FarmMultiple(GamesToFarm)) {
-							farmedSomething = true;
 							Logging.LogGenericInfo("Done farming: " + string.Join(", ", GamesToFarm.Keys), Bot.BotName);
 						} else {
 							NowFarming = false;

ArchiSteamFarm/GlobalConfig.cs

@@ -50,6 +50,9 @@ namespace ArchiSteamFarm {
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal byte MaxFarmingTime { get; private set; } = 10;
 
+		[JsonProperty(Required = Required.DisallowNull)]
+		internal byte IdleFarmingPeriod { get; private set; } = 3;
+
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal byte FarmingDelay { get; private set; } = 5;
 

ArchiSteamFarm/Program.cs

@@ -464,7 +464,7 @@ namespace ArchiSteamFarm {
 				string botName = Path.GetFileNameWithoutExtension(configFile);
 				Logging.LogGenericWarning("Found legacy " + botName + ".xml config file, it will now be converted to new ASF V2.0 format!");
 				Bot bot = new Bot(botName);
-				if (!bot.BotConfig.Enabled) {
+				if (bot.BotConfig == null || !bot.BotConfig.Enabled) {
 					Logging.LogGenericInfo("Not starting this instance because it's disabled in config file", botName);
 				}
 			}

ArchiSteamFarm/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.0.0.3")]
+[assembly: AssemblyVersion("2.0.0.5")]
-[assembly: AssemblyFileVersion("2.0.0.3")]
+[assembly: AssemblyFileVersion("2.0.0.5")]

ArchiSteamFarm/Trading.cs

@@ -46,6 +46,10 @@ namespace ArchiSteamFarm {
 		}
 
 		internal Trading(Bot bot) {
+			if (bot == null) {
+				return;
+			}
+
 			Bot = bot;
 		}
 

ArchiSteamFarm/config/ASF.json

@@ -3,6 +3,7 @@
   "AutoUpdates": true,
   "UpdateChannel": 1,
   "MaxFarmingTime": 10,
+  "IdleFarmingPeriod": 3,
   "FarmingDelay": 5,
   "AccountPlayingDelay": 5,
   "LoginLimiterDelay": 7,