using System;
using System.Collections.Generic;
using System.Threading;
using UnityEngine;

namespace CoppisAdditions.CustomCommands
{
	public class SpawnMultipleEntity : ConsoleCmdAbstract
	{
		public override string GetDescription ()
		{
			return "spawn multiple entities around some coordinate or player";
		}

		public override string GetHelp ()
		{
			return "Spawn multiple entities around some coordinate. Type \"sme\" to see all entity types\n" +
			"Usage:\n" +
			"   sme <x> <y> <z> <spawn radius> @ [<list of entities>]\n" +
			"or\n" +
			"   sme <x> <z> <spawn radius> @ [<list of entities>]>\n" +
			"or\n" +
			"   sme <steam id/player name/entity id> <spawn radius> @ [<list of entities>]\n" +
			"Example\n" +
			"   sme -1520 860 15 @ 1 1 18 18 21 21 21\n";
		}

		public override string[] GetCommands ()
		{
			return new string[] { "spawnmultipleentity", "sme" };
		}

		private void PrintEntities ()
		{
			SdtdConsole.Instance.Output ("The entities need to be in the list bellow:");
			Dictionary<int, EntityClass>.KeyCollection entityTypesCollectionPrint = EntityClass.list.Keys;
			int interationVal = 1;
			foreach (int i in entityTypesCollectionPrint) {
				EntityClass eClass = EntityClass.list [i];
				if (!eClass.bAllowUserInstantiate) {
					continue;
				}
				SdtdConsole.Instance.Output (" " + interationVal + " - " + eClass.entityClassName);
				;
				interationVal++;
			}
		}


		public override void Execute (List<string> _params, CommandSenderInfo _senderInfo)
		{
			try {
				if (_params.Count < 2) {
					SdtdConsole.Instance.Output ("Wrong number of arguments, expected 3 or more, found " + _params.Count + ".");
					SdtdConsole.Instance.Output (" ");
					SdtdConsole.Instance.Output (GetHelp ());
					PrintEntities ();
					return;
				}
				int paramType = 0;
				for (int n = 0; n < _params.Count; n++) {
					if (_params [n] == "@") {
						if (n == 2 || n == 3 || n == 4) {
							paramType = n;
							break;
						}
					}
				}
				if (paramType == 0) {
					SdtdConsole.Instance.Output ("Wrong pattern of arguments.");
					SdtdConsole.Instance.Output (" ");
					SdtdConsole.Instance.Output (GetHelp ());
					PrintEntities ();
					return;
				}

				int x = int.MinValue;
				int y = int.MinValue;
				int z = int.MinValue;
				int radius = int.MinValue;

				if (paramType == 2) {
					ClientInfo ci1 = ConsoleHelper.ParseParamIdOrName (_params [0]);
					if (ci1 == null) {
						SdtdConsole.Instance.Output ("Playername or entity/steamid id not found.");
						return;
					}
					EntityPlayer ep1 = GameManager.Instance.World.Players.dict [ci1.entityId];
					Vector3 pos = ep1.GetPosition ();
					x = (int)pos.x;
					y = (int)pos.y;
					z = (int)pos.z;
				} else if (paramType == 3 || paramType == 4) {
					int.TryParse (_params [0], out x);
					if (paramType == 3) {
						y = 150;
						int.TryParse (_params [1], out z);
					} else if (paramType == 4) {
						int.TryParse (_params [1], out y);
						int.TryParse (_params [2], out z);
					}
				}
				if (x == int.MinValue || y == int.MinValue || z == int.MinValue) {
					SdtdConsole.Instance.Output ("x:" + x);
					SdtdConsole.Instance.Output ("y:" + y);
					SdtdConsole.Instance.Output ("z:" + z);
					SdtdConsole.Instance.Output ("At least one of the given coordinates is not a valid integer");
					return;
				}

				int.TryParse (_params [(paramType - 1)], out radius);
				if (radius < 0) {
					SdtdConsole.Instance.Output ("radius is not a valid integer. It must be an integer greater than 0.");
					return;
				}

				Dictionary<int, EntityClass>.KeyCollection entityTypesCollection = EntityClass.list.Keys;
				for (int n = (paramType + 1); n < _params.Count; n++) {
					int type = 0;
					int.TryParse (_params [n], out type);
                    
					int interationNum = 1;
					bool result = false;
                    
					foreach (int i in entityTypesCollection) {
						EntityClass eClass = EntityClass.list [i];
						if (!eClass.bAllowUserInstantiate) {
							continue;
						}
						if (interationNum == type) {
							int realX, realY, realZ;
							bool posFound = GameManager.Instance.World.FindRandomSpawnPointNearPosition (new Vector3 ((float)x, (float)y, (float)z), 15, out realX, out realY, out realZ, new Vector3 ((float)radius, (float)radius, (float)radius), true);
							if (!posFound) {
								posFound = GameManager.Instance.World.FindRandomSpawnPointNearPosition (new Vector3 ((float)x, (float)y, (float)z), 15, out realX, out realY, out realZ, new Vector3 ((float)radius, (float)150, (float)radius), true);
							}
							if (posFound) {
								Entity entity = EntityFactory.CreateEntity (i, new Vector3 ((float)realX, (float)realY, (float)realZ));
								GameManager.Instance.World.SpawnEntityInWorld (entity);
								result = true;
								SdtdConsole.Instance.Output ("Spawned " + eClass.entityClassName + " at " + realX + " " + realY + " " + realZ);
							} else {
								SdtdConsole.Instance.Output ("No spawn point found near coordinate " + x + " " + y + " " + z);
								result = true;
							}
							break;
						}
						interationNum++;
					}
					if (!result) {
						SdtdConsole.Instance.Output ("Ignoring the invalid entity [" + type + "]");
					}
				}
			} catch (Exception e) {
				Log.Out ("Error in SpawnMultipleEntity: " + e);
			}
		}
	}
}