using System.Diagnostics;
using System.Reflection;
using GlobalClassLib;
using ONDServer.Map;
using ONDServer.Net;
using PacketLib;

namespace ONDServer.Enemies;

public class LurkEnemy : Enemy {
    public override string Name{ get; } = "Lurk";
    public override EnemyType Type{ get; } = EnemyType.LURK;
    public override bool BlocksTile{ get; set; } = true;
    public ServerPlayer? Target{ get; set; }

    private readonly RoamingPathfinder pathfinder;
    
    public LurkEnemy(int difficulty) : base(difficulty, 5000) {
        pathfinder = new RoamingPathfinder(this, 1);
        Target = null; 
    }
    public override void Spawn(MapTile location) {
        base.Spawn(location);
        MovementOpportunity.Start();
        pathfinder.TakenPath.Add(Location!);
        Server.SendUpdateToAll([GameEvent.ENEMY_SPAWN(Type, Id, Difficulty, Location!.Id)]);
    }

    public override void Reset() {
        if (Target != null) Target.State.Power -= 80;

        MapTile[] resetLocations = new[]{MapManager.Get(7), MapManager.Get(12), MapManager.Get(17)}.Where(t => EnemyManager.GetByLocation(t).Length == 0).ToArray();
        Location = resetLocations[new Random().Next(resetLocations.Length)];
        pathfinder.TakenPath.Clear();
        pathfinder.TakenPath.Add(Location);
        
        Server.SendUpdateToAll([GameEvent.ENEMY_RESET(Id, Location.Id)]);
    }

    public override void Update() {
        base.Update();

        if(Location == null) return;
        
        if (MovementOpportunity.CheckAndRoll()){
            if (Server.P1.State.Power > Server.P2.State.Power){
                Target = Server.P1;
            }
            else if (Server.P1.State.Power < Server.P2.State.Power){
                Target = Server.P2;
            }
            else{
                return;
            }
            
            Pathfinder.Decision decision = pathfinder.DecideNext(MapManager.Get(Target.State.OfficeTileId));
            switch (decision.type){
                case Pathfinder.Decision.MoveType:
                    if (Location.GetConnector(decision.nextTile!)!.Type == ConnectorType.VENT){
                        Server.SendUpdateToAll([GameEvent.VENT_USED()]);
                    }
                    Location = decision.nextTile!;
                    Server.SendUpdateToAll([GameEvent.ENEMY_MOVEMENT(Id, Location.Id)]);
                    Console.WriteLine($"Enemy {Type} ({Name}) moving to {Location.IdAsString})");
                    break;
                case Pathfinder.Decision.AttackType:
                    Attack(decision.attackTarget!);
                    break;
                case Pathfinder.Decision.ResetType:
                    Reset();
                    break;
                case Pathfinder.Decision.WaitType:
                    break;
            }
        }
    }
}