Introduced updater for config.yml

Signed-off-by: DroppingAnvil <dr0pping.4nvi1@gmail.com>

src/main/java/com/massivecraft/factions/FactionsPlugin.java

@@ -185,17 +185,19 @@ public class FactionsPlugin extends MPlugin {
         // Load Conf from disk
         Conf.load();
         //Dependency checks
-        if (Conf.dependencyCheck && (Bukkit.getPluginManager().isPluginEnabled("Vault") && Bukkit.getPluginManager().isPluginEnabled("Essentials"))) {
+        if (Conf.dependencyCheck && (!Bukkit.getPluginManager().isPluginEnabled("Vault") && !Bukkit.getPluginManager().isPluginEnabled("Essentials"))) {
-            RegisteredServiceProvider<Economy> rsp = FactionsPlugin.this.getServer().getServicesManager().getRegistration(Economy.class);
-            FactionsPlugin.econ = rsp.getProvider();
-        } else if (Conf.dependencyCheck) {
             divider();
             System.out.println("You are missing dependencies!");
             System.out.println("Please verify EssentialsX and Vault are installed!");
+            Conf.save();
             Bukkit.getPluginManager().disablePlugin(instance);
             divider();
             return;
         }
+        //Update their config if needed
+        Updater.updateIfNeeded(getConfig());
+        RegisteredServiceProvider<Economy> rsp = FactionsPlugin.this.getServer().getServicesManager().getRegistration(Economy.class);
+        FactionsPlugin.econ = rsp.getProvider();
         com.massivecraft.factions.integration.Essentials.setup();
         hookedPlayervaults = setupPlayervaults();
         FPlayers.getInstance().load();

src/main/java/com/massivecraft/factions/util/Updater.java

@@ -0,0 +1,26 @@
+package com.massivecraft.factions.util;
+
+import com.massivecraft.factions.FactionsPlugin;
+import org.bukkit.configuration.file.FileConfiguration;
+
+import java.io.File;
+import java.io.IOException;
+
+public class Updater {
+    public static double currentVersion = 1.0;
+    public static void updateIfNeeded(FileConfiguration conf) {
+        double version = conf.getDouble("Config-Version", 0);
+        //Previous version
+        if (version == 0) {
+            //Instructions for this configuration to be updated to current
+            FactionsPlugin.getInstance().log("Your config.yml is pre-versioning so we are going to assign it version 1.0 \n Please regenerate your config.yml if you run into any errors relating to config.");
+            conf.set("Config-Version", 1.0);
+            version = 1.0;
+        }
+        //End with save + reload
+        try {
+            conf.save(new File("plugins/Factions/config.yml"));
+            FactionsPlugin.getInstance().reloadConfig();
+        } catch (IOException e) {e.printStackTrace();}
+    }
+}

src/main/resources/config.yml

@@ -1,3 +1,4 @@
+Config-Version: 1.0
 # SaberFactions by Driftay
 # Report issues: https://github.com/Driftay/Saber-Factions/issues/new
 # Live support: https://discord.gg/TFxWKeX