using System;
using GamecraftModdingAPI;
using GamecraftModdingAPI.Players;
using GamecraftModdingAPI.Tasks;
using GamecraftModdingAPI.Utility;

using Leadercraft.Server;

namespace Leadercraft.Scoring
{
    internal static class State
    {
		public static bool IsInGame { get; private set; }= false;

		public static bool IsPlayingGame { get; private set; } = false;

		public static DateTime GameEnterTime { get; private set; }

		public static DateTime GameStartTime { get; private set; }

		public static TimeSpan GamePlayTime { get; private set; }

		public static float[] PlayerLocation { get; private set; }

		public static ulong GameId { get; private set; }

		public static int Score { get; private set; }

		public static bool IsGameComplete { get; private set; }

		public static bool IsGameSynced { get; private set; }

		private static bool isBadGame = false;

		private static Player localPlayer = null;

		public static void EnterGame()
		{
			if (IsInGame) return;
			IsInGame = true;
			IsGameSynced = false;
			IsGameComplete = false;
			GameId = Server.Tools.GameId;
			GameEnterTime = DateTime.UtcNow;
			Logging.MetaLog($"Entering game {GameId} at {GameEnterTime}");
		}

        public static void ExitGame()
		{
			if (!IsInGame) return;
			Logging.MetaLog($"Exiting game {GameId}");
			IsInGame = false;
		}

        public static void StartPlayingGame()
		{
			if (IsPlayingGame) return;
			Logging.MetaLog($"Starting to play game {GameId}");
			Score = 0;
			IsPlayingGame = true;
			GameStartTime = DateTime.UtcNow;
			// schedule game loop async task
			Action loop = () => { loopPass(); };
			ISchedulable looper = new Repeatable(loop, () => { return State.IsInGame; }, LeadercraftPlugin.LoopDelay);
			Scheduler.Schedule(looper);
		}

		public static void StopPlayingGame()
		{
			if (!IsPlayingGame) return;
			GamePlayTime = DateTime.UtcNow - GameStartTime;
            Logging.MetaLog($"Stopping game {GameId} after {GamePlayTime.TotalSeconds}s");
            IsPlayingGame = false;
		}

        public static void SetLocation(float x, float y, float z)
		{
			PlayerLocation = new float[] { x, y, z };
		}

        public static void AddScore(int points)
		{
			Score += points;
		}

		public static Server.CriteriaStruct Criteria()
		{
			IsGameSynced = true;
			return new Server.CriteriaStruct
			{
				Location = new float[][] { PlayerLocation, PlayerLocation },
				Time = Convert.ToInt32(Math.Round(GamePlayTime.TotalSeconds, MidpointRounding.AwayFromZero)),
				GameID = GameId,
				PlayerID = 0,
				Complete = IsGameComplete,
				Points = Score,
			};
		}
		
		private static void loopPass()
		{
			if (!State.IsPlayingGame) return;
			if (localPlayer == null && Player.Exists(PlayerType.Local))
			{
				localPlayer = new Player(PlayerType.Local);
				isBadGame = localPlayer.GameOver;
				if (isBadGame)
				{
					GamecraftModdingAPI.Utility.Logging.MetaLog($"Ignoring game {GameId} since it does not seem to have a GameOver state.");
				}
			}
			if (localPlayer == null) return;
			if (localPlayer.GameOver && !localPlayer.Dead && !isBadGame)
			{
				State.StopPlayingGame();
				//State.GamePlayTime.TotalSeconds
				UploadJob scoreJob = new UploadJob(State.Score, State.GamePlayTime.TotalSeconds, localPlayer.Position, Tools.UserId, Tools.UserName, Tools.GameId);
				scoreJob.RunInNewThread();
			}
		}
    }
}