using System;
using System.Collections.Generic;

namespace AllocsFixes.CustomCommands
{
	public class ListLandProtection : ConsoleCmdAbstract
	{
		public override string GetDescription ()
		{
			return "lists all land protection blocks and owners";
		}

		public override string GetHelp () {
			return "Usage:\n" +
				   "  1. listlandprotection summary\n" +
				   "  2. listlandprotection <steam id>\n" +
				   "  3. listlandprotection <player name / entity id>\n" +
				   "  4. listlandprotection nearby\n" +
				   "  5. listlandprotection nearby <radius>\n" +
				   "1. Lists only players that own claimstones, the number they own and the protection status\n" +
				   "2. Lists only the claims of the player given by his SteamID including the individual claim positions\n" +
				   "3. Same as 2 but player given by his player name or entity id (as given by e.g. \"lpi\")\n" +
				   "4. Lists claims in a square with edge length of 64 around the executing player\n" +
				   "5. Same as 4 but square edge length can be specified";
		}

		public override string[] GetCommands ()
		{
			return new string[] { "listlandprotection", "llp" };
		}

		public override void Execute (List<string> _params, CommandSenderInfo _senderInfo)
		{
			try {
				if (_senderInfo.RemoteClientInfo != null) {
					if (_params.Count >= 1 && _params [0].ToLower ().Equals ("nearby")) {
						_params.Add (_senderInfo.RemoteClientInfo.playerId);
					}
				}

				World w = GameManager.Instance.World;
				PersistentPlayerList ppl = GameManager.Instance.GetPersistentPlayerList ();

				bool summaryOnly = false;
				string steamIdFilter = string.Empty;
				Vector3i closeTo = default(Vector3i);
				bool onlyCloseToPlayer = false;
				int closeToDistance = 32;

				if (_params.Count == 1) {
					long tempLong;

					if (_params [0].ToLower ().Equals ("summary")) {
						summaryOnly = true;
					} else if (_params [0].Length == 17 && long.TryParse (_params [0], out tempLong)) {
						steamIdFilter = _params [0];
					} else {
						ClientInfo ci = ConsoleHelper.ParseParamIdOrName (_params [0]);
						if (ci != null) {
							steamIdFilter = ci.playerId;
						} else {
							SdtdConsole.Instance.Output ("Player name or entity id \"" + _params [0] + "\" not found.");
							return;
						}
					}
				} else if (_params.Count >= 2) {
					if (_params [0].ToLower ().Equals ("nearby")) {
						try {
							if (_params.Count == 3) {
								if (!int.TryParse (_params[1], out closeToDistance)) {
									SdtdConsole.Instance.Output ("Given radius is not an integer!");
								}
							}
							ClientInfo ci = ConsoleHelper.ParseParamSteamIdOnline (_params [_params.Count - 1]);
							EntityPlayer ep = w.Players.dict [ci.entityId];
							closeTo = new Vector3i (ep.GetPosition ());
							onlyCloseToPlayer = true;
						} catch (Exception e) {
							SdtdConsole.Instance.Output ("Error getting current player's position");
							Log.Out ("Error in ListLandProtection.Run: " + e);
						}
					} else {
						SdtdConsole.Instance.Output ("Illegal parameter list");
						return;
					}
				}


				LandClaimList.OwnerFilter[] ownerFilters = null;
				if (!string.IsNullOrEmpty (steamIdFilter)) {
					ownerFilters = new LandClaimList.OwnerFilter[] { LandClaimList.SteamIdFilter (steamIdFilter) };
				}
				LandClaimList.PositionFilter[] posFilters = null;
				if (onlyCloseToPlayer) {
					posFilters = new LandClaimList.PositionFilter[] { LandClaimList.CloseToFilter2dRect (closeTo, closeToDistance) };
				}

				Dictionary<PersistentData.Player, List<Vector3i>> claims = LandClaimList.GetLandClaims (ownerFilters, posFilters);

				foreach (KeyValuePair<PersistentData.Player, List<Vector3i>> kvp in claims) {
					SdtdConsole.Instance.Output (String.Format (
						"Player \"{0} ({1})\" owns {4} keystones (protected: {2}, current hardness multiplier: {3})",
						kvp.Key.Name,
						kvp.Key.SteamID,
						kvp.Key.LandProtectionActive,
						kvp.Key.LandProtectionMultiplier,
						kvp.Value.Count));
					if (!summaryOnly) {
						foreach (Vector3i v in kvp.Value) {
							SdtdConsole.Instance.Output ("   (" + v.ToString () + ")");
						}
					}
				}

				if (steamIdFilter.Length == 0)
					SdtdConsole.Instance.Output ("Total of " + ppl.m_lpBlockMap.Count + " keystones in the game");
			} catch (Exception e) {
				Log.Out ("Error in ListLandProtection.Run: " + e);
			}
		}
	}
}