using System;
using MCGalaxy;
using MCGalaxy.Commands;
using MCGalaxy.Events.PlayerEvents;

namespace CommandMapHack 
{
	public class CmdMapHack : Command2 {
		
		public override string name { get { return "MapHack"; } }
		public override string type { get { return "other"; } }
		public override CommandPerm[] ExtraPerms {
			get { return new[] { new CommandPerm(LevelPermission.Operator, "can bypass hack restrictions on all maps") }; }
		}
		
		static bool hooked;
		const string ext_allowed_key = "__MAPHACK_ALLOWED";
		
		void EnableHacksBypass(Player p) {
			p.Extras[ext_allowed_key] = true;
			p.SendMapMotd();
			p.Message("&aYou are now bypassing hacks restrictions on this map");
		}
		
		void DisableHacksBypass(Player p) {
			p.Extras[ext_allowed_key] = false;
			p.SendMapMotd();
			p.Message("&HHacks bypassing reset, use &T/MapHack &Hto turn on again");
		}
		
		public override void Use(Player p, string message, CommandData data) {
			if (message.Length == 0) {
				if (!hooked) { // not thread-safe but meh
					OnSentMapEvent.Register(HandleOnSentMap, Priority.High);
					OnGettingMotdEvent.Register(HandleGettingMotd, Priority.High);
					hooked = true;
				}

				if (LevelInfo.IsRealmOwner(p.name, p.level.MapName) || CheckExtraPerm(p, data, 1)) {
					EnableHacksBypass(p);
				} else {
					p.Message("&cYou can only bypass hacks on your own realms.");
				}
			} else if (message.CaselessEq("stop")) {
				DisableHacksBypass(p);
			} else {
				Help(p);
			}
		}

		void HandleOnSentMap(Player p, Level prevLevel, Level level) {
			if (!p.Extras.GetBoolean(ext_allowed_key)) return;
			// disable /maphack when you reload or change maps
			DisableHacksBypass(p);
		}
		
		void HandleGettingMotd(Player p, ref string motd) {
			if (!p.Extras.GetBoolean(ext_allowed_key)) return;
			motd = "+hax";
		}
		
		public override void Help(Player p) {
			p.Message("&T/MapHack &H- Lets you bypass hacks restrictions on your own map (e.g. for when making a parkour map with -hax on)");
			p.Message("&T/MapHack stop &H- Enables hacks restrictions again");
		}
	}
}