using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using GamecraftModdingAPI.Tasks;
using GamecraftModdingAPI.Engines;
using Svelto.ECS;

using RobocraftX.Character;
using RobocraftX.Physics;

namespace GamecraftRPC.Engines
{
    class PlayerCountEngine : IApiEngine
    {
        public string Name => "GamecraftRPCPlayerCountGameEngine";

        public EntitiesDB entitiesDB { set; private get; }

		public bool isRemovable => false;

		private Discord.Discord discordRPC = null;

        private bool Ok = false;

        public void Dispose()
        {
            Ok = false;
            PresenceUtility.PlayerCount = 0;
            PresenceUtility.Activity.Party.Size.CurrentSize = 0;
            PresenceUtility.Activity.Party.Size.MaxSize = 0;
            PresenceUtility.Activity.Party.Id = "";
        }

        public void Ready()
        {
            Ok = true;
            Scheduler.Schedule(new Repeatable(updatePlayerCount, () => { return Ok; }, delay: 5f));
            PresenceUtility.Activity.Party.Size.CurrentSize = 1;
            PresenceUtility.Activity.Party.Size.MaxSize = 1;
            PresenceUtility.Activity.Party.Id = "";//PresenceUtility.PartyId.ToString();
        }

        private void updatePlayerCount()
        {
            if (entitiesDB == null) return;
            uint count = 0;
            for (uint i = 0; i < CharacterExclusiveGroups.AllCharacters.count; i++)
            {
                count += entitiesDB.Count<RigidBodyEntityStruct>(CharacterExclusiveGroups.AllCharacters[i]);
            }
			if ((int)count != PresenceUtility.PlayerCount && count > 0)
            {
                PresenceUtility.PlayerCount = (int)count;
                PresenceUtility.Activity.Party.Size.CurrentSize = (int)count;
				PresenceUtility.Activity.Party.Size.MaxSize = (int)count;
                Plugin.SetDiscordActivity(discordRPC, debug: "PlayerCountEngine-updatePlayerCount");
#if DEBUG
                GamecraftModdingAPI.Utility.Logging.MetaLog($"Player Count: {count}");
#endif
            }
        }

        public PlayerCountEngine(Discord.Discord discordRPC)
        {
            this.discordRPC = discordRPC;
        }
    }
}