using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PirateCommand : MonoBehaviour
{
    [Header("Списки объектов команды")]
    public List<Pirate> pirates = new();    
    public List<AmmoCrate> ammoCrates = new();
    public List<BoxingMachine> boxingMachines = new();



    public PointsManager pointsManager;

    [Header("Ссылка на вражескую команду")]
    public EnemyCommand enemyTeam;

    private void Start()
    {
        StartCoroutine(DanceRoutine());
        StartCoroutine(BoxingRoutine());
        StartCoroutine(ShootingRoutine());
    }

    public void ResetAllPiratesToHome()
    {
        foreach (var p in pirates)
            if (p) p.ResetByIdleHome();
    }


    // ==========================================================
    //  Универсальные методы фильтрации и выбора пиратов
    // ==========================================================

    private List<Pirate> GetFreePirates(params System.Type[] busyTypes)
    {
        var freePirates = new List<Pirate>();

        foreach (var p in pirates)
        {
            bool busy = false;
            foreach (var t in busyTypes)
            {
                if (p.IsBusy(t))
                {
                    busy = true;
                    break;
                }
            }

            if (!busy)
                freePirates.Add(p);
        }

        return freePirates;
    }

    private Pirate GetRandomPirate(List<Pirate> list)
    {
        if (list.Count == 0) return null;
        return list[Random.Range(0, list.Count)];
    }

    // ==========================================================
    //  Стрельба
    // ==========================================================
    private IEnumerator ShootingRoutine()
    {
        while (true)
        {
            float waitTime = Random.Range(5f, 10f); 
            yield return new WaitForSeconds(waitTime);

            AssignRandomPirateToShoot();
        }
    }

    public void AssignRandomPirateToShoot()
    {

        if (pointsManager == null || enemyTeam == null || enemyTeam.enemies.Count == 0) return;

        var freePirates = GetFreePirates(typeof(PirateLoader), typeof(PirateDance), typeof(PirateBoxer), typeof(PirateShooter));
        Pirate pirate = GetRandomPirate(freePirates);
        if (pirate == null) return;

        Transform shootPoint = null;
        EnemyCombat targetEnemy = null;
        int attempts = 10;

        while (attempts-- > 0)
        {
            // получаем случайную свободную точку
            shootPoint = pointsManager.GetRandomFreePoint("shoot", pointsManager.shootPoints);
            if (shootPoint == null) return;

            // ищем активного врага, которого видно с этой точки
            foreach (var enemy in enemyTeam.enemies)
            {
                if (enemy != null && enemy.IsActiveTarget() &&
                    pointsManager.HasLineOfSight(shootPoint, enemy.transform))
                {
                    targetEnemy = enemy;
                    break;
                }
            }

            if (targetEnemy != null)
                break; // нашли подходящую точку и врага

            // точка не подходит, освобождаем
            pointsManager.FreePoint("shoot", shootPoint);
            shootPoint = null;
        }

        if (shootPoint == null || targetEnemy == null) return;

        pirate.SetBehavior<PirateShooter>();
        if (pirate.CurrentBehavior is PirateShooter shooter)
        {
            shooter.ActivateWithTarget(shootPoint, targetEnemy.gameObject, (point) =>
            {
                pointsManager.FreePoint("shoot", point);
            });
        }
    }





    // ==========================================================
    // Бокс
    // ==========================================================
    private IEnumerator BoxingRoutine()
    {
        while (true)
        {
            float waitTime = Random.Range(10f, 20f);
            yield return new WaitForSeconds(waitTime);

            AssignRandomPirateToBox();
        }
    }

    public void AssignRandomPirateToBox()
    {
        if (boxingMachines.Count == 0) return;

        var freePirates = GetFreePirates(typeof(PirateLoader), typeof(PirateDance), typeof(PirateBoxer), typeof(PirateShooter));
        Pirate pirate = GetRandomPirate(freePirates);
        if (pirate == null) return;

        BoxingMachine machine = boxingMachines[Random.Range(0, boxingMachines.Count)];

        pirate.SetBehavior<PirateBoxer>();
        if (pirate.CurrentBehavior is PirateBoxer boxer)
        {
            boxer.targetMachine = machine;
            boxer.Activate();
  

        }
    }

    // ==========================================================
    //  Танцы
    // ==========================================================
    private IEnumerator DanceRoutine()
    {
        while (true)
        {
            float waitTime = Random.Range(5f, 15f);
            yield return new WaitForSeconds(waitTime);

            AssignRandomPirateToDance();
        }
    }

    public void AssignRandomPirateToDance()
    {
        var freePirates = GetFreePirates(typeof(PirateLoader), typeof(PirateDance), typeof(PirateShooter), typeof(PirateBoxer));
        Pirate pirate = GetRandomPirate(freePirates);
        if (pirate == null) return;

        // Получаем ближайшую свободную точку для танца
        Transform dancePoint = pointsManager.GetNearestFreePoint("dance", pointsManager.dancePoints, pirate.transform.position);
        if (dancePoint == null) return;

        pirate.SetBehavior<PirateDance>();

        if (pirate.CurrentBehavior is PirateDance dancer)
        {
            // Инициализация точки и колбэка, запускаем Activate уже с нужной точкой
            dancer.Init(dancePoint, (point) =>
            {
                pointsManager.FreePoint("dance", point);
            });
        }
    }


    // ==========================================================
    //  Загрузка пушек
    // ==========================================================
    public Pirate GetNearestIdlePirate(Vector3 position)
    {
        Pirate nearest = null;
        float minDist = float.MaxValue;

        foreach (var pirate in pirates)
        {
            if (pirate.IsBusy<PirateLoader>()) continue;

            float dist = Vector3.Distance(pirate.transform.position, position);
            if (dist < minDist)
            {
                minDist = dist;
                nearest = pirate;
            }
        }

        return nearest;
    }

    public AmmoCrate GetNearestCrate(Vector3 position)
    {
        AmmoCrate nearest = null;
        float minDist = float.MaxValue;

        foreach (var crate in ammoCrates)
        {
            float dist = Vector3.Distance(crate.transform.position, position);
            if (dist < minDist)
            {
                minDist = dist;
                nearest = crate;
            }
        }

        return nearest;
    }

    public void AssignPirateToCannon(Cannon cannon)
    {
        Pirate pirate = GetNearestIdlePirate(cannon.transform.position);
        if (pirate == null) return;

        AmmoCrate crate = GetNearestCrate(cannon.transform.position);
        if (crate == null) return;

        Transform approach = crate.GetNearestFreePosition(pirate.transform.position);

        pirate.SetBehavior<PirateLoader>();
        if (pirate.CurrentBehavior is PirateLoader loader)
        {
            loader.ActivateWithTarget(cannon, approach);
        }

    }
}