using Rage;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;

namespace SceneManager
{
    public enum DrivingFlagType
    {
        Normal = 263075,
        Direct = 17040259
    }

    public class Waypoint
    {
        internal Path Path { get; set; }
        internal int Number { get; set; }
        internal Vector3 Position { get; set; }
        internal float Speed { get; set; }
        internal DrivingFlagType DrivingFlagType { get; private set; }
        internal bool IsStopWaypoint { get; set; }
        internal Blip Blip { get; }
        internal bool IsCollector { get; set; }
        internal float CollectorRadius { get; set; }
        internal Blip CollectorRadiusBlip { get; set; }
        internal float SpeedZoneRadius { get; set; }
        internal uint SpeedZone { get; set; }
        internal bool EnableWaypointMarker { get; set; } = true;
        internal bool EnableEditMarker { get; set; }

        internal Waypoint(Path path, int waypointNum, Vector3 waypointPos, float speed, DrivingFlagType drivingFlag, bool stopWaypoint, Blip waypointBlip, bool collector = false, float collectorRadius = 1, float speedZoneRadius = 5)
        {
            Path = path;
            Number = waypointNum;
            Position = waypointPos;
            Speed = speed;
            DrivingFlagType = drivingFlag;
            IsStopWaypoint = stopWaypoint;
            Blip = waypointBlip;
            IsCollector = collector;
            CollectorRadius = collectorRadius;
            SpeedZoneRadius = speedZoneRadius;
            if (collector)
            {
                AddSpeedZone();
                CollectorRadiusBlip = new Blip(waypointBlip.Position, collectorRadius)
                {
                    Color = waypointBlip.Color,
                };
                if (SettingsMenu.mapBlips.Checked)
                {
                    CollectorRadiusBlip.Alpha = 0.5f;
                }
                else
                {
                    CollectorRadiusBlip.Alpha = 0f;
                }
            }
            DrawWaypointMarker();
        }

        internal void UpdateWaypoint(Waypoint currentWaypoint, DrivingFlagType drivingFlag, bool stopWaypoint, float speed, bool collectorWaypointChecked, float collectorRadius, float speedZoneRadius, bool updateWaypointPositionChecked)
        {
            if(IsStopWaypoint != stopWaypoint)
            {
                UpdateIfStopWaypoint();
            }
            DrivingFlagType = drivingFlag;
            UpdateWaypointSpeed(speed);
            UpdateCollectorOptions();
            if (updateWaypointPositionChecked)
            {
                UpdateWaypointPosition(Game.LocalPlayer.Character.Position);
            }

            void UpdateIfStopWaypoint()
            {
                if (IsStopWaypoint && !stopWaypoint)
                {
                    Blip.Color = Color.Green;
                    foreach(CollectedVehicle cv in Path.CollectedVehicles.Where(cv => cv.Vehicle && cv.Path == Path && cv.CurrentWaypoint == this && cv.StoppedAtWaypoint))
                    {
                       // Logger.Log($"Setting StoppedAtWaypoint to false for {cv.Vehicle.Model.Name}");
                        cv.Dismiss(DismissOption.FromWaypoint);
                    }
                }
                else if(stopWaypoint && !IsStopWaypoint)
                {
                    Blip.Color = Color.Red;
                }
                IsStopWaypoint = stopWaypoint;
            }

            void UpdateWaypointSpeed(float newWaypointSpeed)
            {
                Speed = newWaypointSpeed;
            }

            void UpdateCollectorOptions()
            {
                if (collectorWaypointChecked)
                {
                    IsCollector = true;
                    RemoveSpeedZone();
                    SpeedZone = World.AddSpeedZone(currentWaypoint.Position, SpeedZoneRadius, speed);
                    Blip.Color = Color.Blue;
                    if (CollectorRadiusBlip)
                    {
                        CollectorRadiusBlip.Alpha = 0.5f;
                        CollectorRadiusBlip.Scale = collectorRadius;
                    }
                    else
                    {
                        CollectorRadiusBlip = new Blip(Blip.Position, collectorRadius)
                        {
                            Color = Blip.Color,
                            Alpha = 0.5f
                        };
                    }
                    CollectorRadius = collectorRadius;
                    SpeedZoneRadius = speedZoneRadius;
                }
                else
                {
                    IsCollector = false;
                    if (IsStopWaypoint)
                    {
                        Blip.Color = Color.Red;
                    }
                    else
                    {
                        Blip.Color = Color.Green;
                    }
                    RemoveSpeedZone();
                    if (CollectorRadiusBlip)
                    {
                        CollectorRadiusBlip.Delete();
                    }
                }
            }

            void UpdateWaypointPosition(Vector3 newWaypointPosition)
            {
                Position = newWaypointPosition;
                RemoveSpeedZone();
                AddSpeedZone();
                UpdateWaypointBlipPosition();
            }

            void UpdateWaypointBlipPosition()
            {
                if (Blip)
                {
                    Blip.Position = Game.LocalPlayer.Character.Position;
                }
                if (CollectorRadiusBlip)
                {
                    CollectorRadiusBlip.Position = Game.LocalPlayer.Character.Position;
                }
            }
        }

        internal void Remove()
        {
            if (Blip)
            {
                Blip.Delete();
            }
            if (CollectorRadiusBlip)
            {
                CollectorRadiusBlip.Delete();
            }
            RemoveSpeedZone();
        }

        internal void AddSpeedZone()
        {
            SpeedZone = World.AddSpeedZone(Position, SpeedZoneRadius, Speed);
        }

        internal void RemoveSpeedZone()
        {
            World.RemoveSpeedZone(SpeedZone);
        }

        internal void DrawWaypointMarker()
        {
            // This is called once when the waypoint is created
            GameFiber.StartNew(() =>
            {
                while (true)
                {
                    if(SettingsMenu.threeDWaypoints.Checked && EnableWaypointMarker && Path.Waypoints.Contains(this))
                    {
                        if (EditWaypointMenu.editWaypointMenu.Visible && PathMainMenu.editPath.Value == Path.Number && EditWaypointMenu.editWaypoint.Value == Number)
                        {
                            if (EditWaypointMenu.collectorWaypoint.Checked)
                            {
                                if (EditWaypointMenu.updateWaypointPosition.Checked)
                                {
                                    Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Game.LocalPlayer.Character.Position.X, Game.LocalPlayer.Character.Position.Y, Game.LocalPlayer.Character.Position.Z - 1, 0, 0, 0, 0, 0, 0, (float)EditWaypointMenu.changeCollectorRadius.Value * 2, (float)EditWaypointMenu.changeCollectorRadius.Value * 2, 1f, 80, 130, 255, 100, false, false, 2, false, 0, 0, false);
                                    Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Game.LocalPlayer.Character.Position.X, Game.LocalPlayer.Character.Position.Y, Game.LocalPlayer.Character.Position.Z - 1, 0, 0, 0, 0, 0, 0, (float)EditWaypointMenu.changeSpeedZoneRadius.Value * 2, (float)EditWaypointMenu.changeSpeedZoneRadius.Value * 2, 1f, 255, 185, 80, 100, false, false, 2, false, 0, 0, false);
                                }
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, (float)EditWaypointMenu.changeCollectorRadius.Value * 2, (float)EditWaypointMenu.changeCollectorRadius.Value * 2, 2f, 80, 130, 255, 100, false, false, 2, false, 0, 0, false);
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, (float)EditWaypointMenu.changeSpeedZoneRadius.Value * 2, (float)EditWaypointMenu.changeSpeedZoneRadius.Value * 2, 2f, 255, 185, 80, 100, false, false, 2, false, 0, 0, false);
                            }
                            else if (EditWaypointMenu.stopWaypointType.Checked)
                            {
                                if (EditWaypointMenu.updateWaypointPosition.Checked)
                                {
                                    Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Game.LocalPlayer.Character.Position.X, Game.LocalPlayer.Character.Position.Y, Game.LocalPlayer.Character.Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, 1f, 255, 65, 65, 100, false, false, 2, false, 0, 0, false);
                                }
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, 2f, 255, 65, 65, 100, false, false, 2, false, 0, 0, false);
                            }
                            else
                            {
                                if (EditWaypointMenu.updateWaypointPosition.Checked)
                                {
                                    Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Game.LocalPlayer.Character.Position.X, Game.LocalPlayer.Character.Position.Y, Game.LocalPlayer.Character.Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, 1f, 65, 255, 65, 100, false, false, 2, false, 0, 0, false);
                                }
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, 2f, 65, 255, 65, 100, false, false, 2, false, 0, 0, false);
                            }
                        }
                        else if ((Path.State == State.Finished && MenuManager.menuPool.IsAnyMenuOpen()) || (Path.State == State.Creating && PathCreationMenu.pathCreationMenu.Visible))
                        {
                            float markerHeight = 1f;
                            if ((PathMainMenu.directDriver.Selected && PathMainMenu.directDriver.Value == Path.Number) || PathMainMenu.editPath.Selected && PathMainMenu.editPath.Value == Path.Number && (PathMainMenu.pathMainMenu.Visible || EditPathMenu.editPathMenu.Visible))
                            {
                                markerHeight = 2f;
                            }
                            if (IsCollector)
                            {
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, CollectorRadius * 2, CollectorRadius * 2, markerHeight, 80, 130, 255, 100, false, false, 2, false, 0, 0, false);
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, SpeedZoneRadius * 2, SpeedZoneRadius * 2, markerHeight, 255, 185, 80, 100, false, false, 2, false, 0, 0, false);
                            }
                            else if (IsStopWaypoint)
                            {
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, markerHeight, 255, 65, 65, 100, false, false, 2, false, 0, 0, false);
                            }
                            else
                            {
                                Rage.Native.NativeFunction.Natives.DRAW_MARKER(1, Position.X, Position.Y, Position.Z - 1, 0, 0, 0, 0, 0, 0, 1f, 1f, markerHeight, 65, 255, 65, 100, false, false, 2, false, 0, 0, false);
                            }
                        }
                    }

                    GameFiber.Yield();
                }
            });
        }

        internal void EnableBlip()
        {
            if(!Path.IsEnabled)
            {
                if (Blip)
                {
                    Blip.Alpha = 0.5f;
                }
                if (CollectorRadiusBlip)
                {
                    CollectorRadiusBlip.Alpha = 0.25f;
                }
            }
            else
            {
                if (Blip)
                {
                    Blip.Alpha = 1.0f;
                }
                if (CollectorRadiusBlip)
                {
                    CollectorRadiusBlip.Alpha = 0.5f;
                }
            }

        }

        internal void DisableBlip()
        {
            if (Blip)
            {
                Blip.Alpha = 0;
            }
            if (CollectorRadiusBlip)
            {
                CollectorRadiusBlip.Alpha = 0;
            }
        }

        internal void CollectVehicles(List<Path> paths)
        {
            var sleepInterval = 1000;
            Logger.Log($"Starting collection loop on waypoint {Number}");
            while (paths.Contains(Path) && Path.Waypoints.Contains(this))
            {
                if (Path.IsEnabled && IsCollector)
                {
                    sleepInterval = 100;
                    LoopForNearbyValidVehicles();
                }
                else
                {
                    sleepInterval = 1000;
                }

                var collectedVehiclePlayerIsIn = Path.CollectedVehicles.Where(x => x.Vehicle == Game.LocalPlayer.Character.CurrentVehicle).FirstOrDefault();
                if (collectedVehiclePlayerIsIn != null)
                {
                    collectedVehiclePlayerIsIn.Dismiss(DismissOption.FromPlayer);
                    Logger.Log($"Dismissed a collected vehicle the player was in.");
                }
                GameFiber.Sleep(sleepInterval);
            }

            void LoopForNearbyValidVehicles()
            {
                foreach (Vehicle vehicle in GetNearbyVehiclesForCollection(Position, CollectorRadius))
                {
                    if (!vehicle)
                    {
                        break;
                    }

                    var collectedVehicle = Path.CollectedVehicles.Where(cv => cv.Vehicle == vehicle).FirstOrDefault();
                    if (collectedVehicle == null)
                    {
                        CollectedVehicle newCollectedVehicle = AddVehicleToCollection(vehicle);
                        //Logger.Log($"Vehicle's front position distance to waypoint: {vehicle.FrontPosition.DistanceTo2D(waypoint.Position)}, collector radius: {waypoint.CollectorRadius}");
                        GameFiber AssignTasksFiber = new GameFiber(() => AITasking.AssignWaypointTasks(newCollectedVehicle, Path, this));
                        AssignTasksFiber.Start();
                    }
                }

                Vehicle[] GetNearbyVehiclesForCollection(Vector3 collectorWaypointPosition, float collectorRadius)
                {
                    return (from v in World.GetAllVehicles() where v.FrontPosition.DistanceTo2D(collectorWaypointPosition) <= collectorRadius && Math.Abs(collectorWaypointPosition.Z - v.Position.Z) < 3 && IsValidForCollection(v) select v).ToArray();
                }
            }

            CollectedVehicle AddVehicleToCollection(Vehicle vehicle)
            {
                var collectedVehicle = new CollectedVehicle(vehicle, Path, this);
                Path.CollectedVehicles.Add(collectedVehicle);
                Logger.Log($"Added {vehicle.Model.Name} to collection from path {Path.Number} waypoint {this.Number}.");
                return collectedVehicle;
            }

            bool IsValidForCollection(Vehicle v)
            {
                if (v && v.Speed > 1 && v.IsOnAllWheels && v.IsEngineOn && v != Game.LocalPlayer.Character.CurrentVehicle && v != Game.LocalPlayer.Character.LastVehicle && (v.IsCar || v.IsBike || v.IsBicycle || v.IsQuadBike) && !v.IsSirenOn && !Path.CollectedVehicles.Any(cv => cv?.Vehicle == v))
                {
                    var vehicleCollectedOnAnotherPath = paths.Any(p => p.Number != Path.Number && p.CollectedVehicles.Any(cv => cv.Vehicle == v));
                    if (vehicleCollectedOnAnotherPath)
                    {
                        return false;
                    }
                    if (v.HasDriver && v.Driver && !v.Driver.IsAlive)
                    {
                        return false;
                    }
                    if (!v.HasDriver)
                    {
                        v.CreateRandomDriver();
                        while (!v.HasDriver)
                        {
                            GameFiber.Yield();
                        }
                        if (v && v.Driver)
                        {
                            v.Driver.IsPersistent = true;
                            v.Driver.BlockPermanentEvents = true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }
    }
}