using System.Collections.Generic;
using System.Linq;
using GTA;
using GTA.Math;
using RageCoop.Core;
using GTA.Native;

namespace RageCoop.Client
{
    internal static class PlayerList
    {
        private const float LEFT_POSITION = 0.122f;
        private const float RIGHT_POSITION = 0.9f;
        private static readonly Scaleform _mainScaleform = new Scaleform("mp_mm_card_freemode");
        private static ulong _lastUpdate = Util.GetTickCount64();
        public static ulong Pressed { get; set; }

        public static bool LeftAlign = true;
        public static Dictionary<int,PlayerData> Players=new Dictionary<int, PlayerData> { };
        public static void Tick()
        {
            if (!Networking.IsOnServer)
            {
                return;
            }

            if ((Util.GetTickCount64() - _lastUpdate) >= 1000)
            {
                Update( Main.Settings.Username);
            }

            if ((Util.GetTickCount64() - Pressed) < 5000 && !Main.MainChat.Focused
#if !NON_INTERACTIVE
                && !Menus.CoopMenu.MenuPool.AreAnyVisible
#endif
                )
            {
                Function.Call(Hash.DRAW_SCALEFORM_MOVIE, _mainScaleform.Handle, 
                                LeftAlign ? LEFT_POSITION : RIGHT_POSITION, 0.3f,
                                0.28f, 0.6f,
                                255, 255, 255, 255, 0);
            }
        }

        private static void Update( string localUsername)
        {
            _lastUpdate = Util.GetTickCount64();

            _mainScaleform.CallFunction("SET_DATA_SLOT_EMPTY", 0);
            _mainScaleform.CallFunction("SET_DATA_SLOT", 0, $"{Networking.Latency * 1000:N0}ms", localUsername, 116, 0, 0, "", "", 2, "", "", ' ');

            int i = 1;
            
            foreach (var player in Players)
            {
                _mainScaleform.CallFunction("SET_DATA_SLOT", i++, $"{player.Value.Latency * 1000:N0}ms", player.Value.Username, 116, 0, i - 1, "", "", 2, "", "", ' ');
            }

            _mainScaleform.CallFunction("SET_TITLE", "Player list", $"{Players.Count+1} players");
            _mainScaleform.CallFunction("DISPLAY_VIEW");
        }
        public static void SetPlayer(int id, string username,float latency=0)
        {
            
            PlayerData p;
            if (Players.TryGetValue(id,out p))
            {
                p.Username=username;
                p.PedID=id;
                p.Latency=latency;
            }
            else
            {
                p = new PlayerData { PedID=id, Username=username,Latency=latency };
                Players.Add(id,p);
            }
        }
        public static void UpdatePlayer(Packets.PlayerInfoUpdate packet)
        {
            var p = GetPlayer(packet.PedID);
            if(p?.Character != null)
            {
                p.Character.DisplayNameTag=packet.Flags.HasConfigFlag(PlayerConfigFlags.ShowNameTag);
                p.Character.DisplayBlip=packet.Flags.HasConfigFlag(PlayerConfigFlags.ShowBlip);
                Main.Logger.Info($"blip color:{packet.BlipColor}");
                // Need to be dispatched to script thread.
                Main.QueueAction(() => {
                    if (p.Character.PedBlip!=null && p.Character.PedBlip.Exists() && p.Character.PedBlip.Color!=packet.BlipColor)
                    {
                        p.Character.PedBlip.Color=packet.BlipColor;
                    }
                }); 
                
            }
        }
        public static PlayerData GetPlayer(int id)
        {
            PlayerData p; 
            Players.TryGetValue(id, out p);
            return p;
        }
        public static PlayerData GetPlayer(SyncedPed p)
        {
            var player = GetPlayer(p.ID);
            player.Character=p;
            return player;
        }
        public static void RemovePlayer(int id)
        {
            if (Players.ContainsKey(id))
            {
                Players.Remove(id);
            }
        }
        public static void Cleanup()
        {
            Players=new Dictionary<int, PlayerData>{ };
        }

    }

    
    internal class PlayerData
    {
        public string Username { get; internal set; }
        /// <summary>
        /// Universal character ID.
        /// </summary>
        public int PedID
        {
            get; internal set;
        }
        public SyncedPed Character { get; set; }
        /// <summary>
        /// Player Latency in second.
        /// </summary>
        public float Latency { get; internal set; }

    }
}