using GTA;
using GTA.Native;
using System;
using System.Threading.Tasks;
using System.Threading;

namespace RageCoop.Client
{
    /// <summary>
    /// Don't use it!
    /// </summary>
    public class WorldThread : Script
    {

        /// <summary>
        /// Don't use it!
        /// </summary>
        public WorldThread()
        {
            Tick += OnTick;
            Aborted += (sender, e) =>
            {
                ChangeTraffic(true);
            };
            Task.Run(() =>
            {
                while (true)
                {
                    Thread.Sleep(5000);
                    Main.QueueAction(() => { ChangeTraffic(_trafficEnabled); });
                }
            });
        }
        static bool _trafficEnabled;
        private void OnTick(object sender, EventArgs e)
        {
            if (!_trafficEnabled)
            {
                Function.Call(Hash.SET_VEHICLE_POPULATION_BUDGET, 0);
                Function.Call(Hash.SET_PED_POPULATION_BUDGET, 0);
                Function.Call(Hash.SET_VEHICLE_DENSITY_MULTIPLIER_THIS_FRAME, 0f);
                Function.Call(Hash.SET_RANDOM_VEHICLE_DENSITY_MULTIPLIER_THIS_FRAME, 0f);
                Function.Call(Hash.SET_PARKED_VEHICLE_DENSITY_MULTIPLIER_THIS_FRAME, 0f);
                Function.Call(Hash.SUPPRESS_SHOCKING_EVENTS_NEXT_FRAME);
                Function.Call(Hash.SUPPRESS_AGITATION_EVENTS_NEXT_FRAME);
            }
            if (Game.IsLoading || !Networking.IsOnServer)
            {
                return;
            }

            Game.DisableControlThisFrame(Control.FrontendPause);

            if (Main.Settings.DisableAlternatePause)
            {
                Game.DisableControlThisFrame(Control.FrontendPauseAlternate);
            }
            // Sets a value that determines how aggressive the ocean waves will be.
            // Values of 2.0 or more make for very aggressive waves like you see during a thunderstorm.
            Function.Call(Hash.SET_DEEP_OCEAN_SCALER, 0.0f); // Works only ~200 meters around the player
        }
        public static void Traffic(bool enable)
        {
            ChangeTraffic(enable);
            _trafficEnabled = enable;
        }
        private static void ChangeTraffic(bool enable)
        {
            if (enable)
            {
                // Function.Call(Hash.REMOVE_SCENARIO_BLOCKING_AREAS);
                Function.Call(Hash.SET_CREATE_RANDOM_COPS, true);
                Function.Call(Hash.SET_RANDOM_TRAINS, true);
                Function.Call(Hash.SET_RANDOM_BOATS, true);
                Function.Call(Hash.SET_GARBAGE_TRUCKS, true);
                Function.Call(Hash.SET_PED_POPULATION_BUDGET, 3); // 0 - 3
                Function.Call(Hash.SET_VEHICLE_POPULATION_BUDGET, 3); // 0 - 3
                Function.Call(Hash.SET_ALL_VEHICLE_GENERATORS_ACTIVE);
                Function.Call(Hash.SET_ALL_LOW_PRIORITY_VEHICLE_GENERATORS_ACTIVE, true);
                Function.Call(Hash.SET_NUMBER_OF_PARKED_VEHICLES, -1);
                Function.Call(Hash.SET_DISTANT_CARS_ENABLED, true);
                Function.Call(Hash.DISABLE_VEHICLE_DISTANTLIGHTS, false);
            }
            else
            {
               //  Function.Call(Hash.ADD_SCENARIO_BLOCKING_AREA, -10000.0f, -10000.0f, -1000.0f, 10000.0f, 10000.0f, 1000.0f, 0, 1, 1, 1);
                Function.Call(Hash.SET_CREATE_RANDOM_COPS, false);
                Function.Call(Hash.SET_RANDOM_TRAINS, false);
                Function.Call(Hash.SET_RANDOM_BOATS, false);
                Function.Call(Hash.SET_GARBAGE_TRUCKS, false);
                Function.Call(Hash.DELETE_ALL_TRAINS);
                Function.Call(Hash.SET_PED_POPULATION_BUDGET, 0);
                Function.Call(Hash.SET_VEHICLE_POPULATION_BUDGET, 0);
                Function.Call(Hash.SET_ALL_LOW_PRIORITY_VEHICLE_GENERATORS_ACTIVE, false);
                Function.Call(Hash.SET_FAR_DRAW_VEHICLES, false);
                Function.Call(Hash.SET_NUMBER_OF_PARKED_VEHICLES, 0);
                Function.Call(Hash.SET_DISTANT_CARS_ENABLED, false);
                Function.Call(Hash.DISABLE_VEHICLE_DISTANTLIGHTS, true);

                if (Networking.IsOnServer)
                {

                    foreach (Ped ped in World.GetAllPeds())
                    {
                        SyncedPed c = EntityPool.GetPedByHandle(ped.Handle);
                        if ((c == null) || (c.IsLocal && (ped.Handle != Game.Player.Character.Handle) && ped.PopulationType != EntityPopulationType.Mission))
                        {
                            if (ped.Handle == Game.Player.Character.Handle) { continue; }

                            // Main.Logger.Trace($"Removing ped {ped.Handle}. Reason:RemoveTraffic");
                            ped.CurrentVehicle?.Delete();
                            ped.Kill();
                            ped.Delete();
                        }

                    }

                    foreach (Vehicle veh in World.GetAllVehicles())
                    {
                        SyncedVehicle v = veh.GetSyncEntity();
                        if (v.MainVehicle == Game.Player.LastVehicle)
                        {
                            // Don't delete player's vehicle
                            continue;
                        }
                        if ((v == null) || (v.IsLocal && veh.PopulationType != EntityPopulationType.Mission))
                        {
                            // Main.Logger.Debug($"Removing Vehicle {veh.Handle}. Reason:ClearTraffic");

                            veh.Delete();
                        }
                    }
                }
                else
                {
                    foreach (Ped ped in World.GetAllPeds())
                    {
                        if ((ped != Game.Player.Character) && (ped.PopulationType != EntityPopulationType.Mission))
                        {
                            // Main.Logger.Trace($"Removing ped {ped.Handle}. Reason:RemoveTraffic");
                            ped.CurrentVehicle?.Delete();
                            ped.Kill();
                            ped.Delete();
                        }

                    }
                    var last = Game.Player.Character.LastVehicle;
                    var current = Game.Player.Character.CurrentVehicle;
                    foreach (Vehicle veh in World.GetAllVehicles())
                    {
                        if (veh.PopulationType != EntityPopulationType.Mission && veh != last && veh!=current)
                        {
                            // Main.Logger.Debug($"Removing Vehicle {veh.Handle}. Reason:ClearTraffic");

                            veh.Delete();
                        }
                    }
                }
            }
        }
    }
}