using System.Collections.Generic;
using UnityEngine;

public class PlayerEntity : Entity
{
    [Header("Player Flags")] 
    public int actions = 2;
    public int maxActions = 2;
    public enum PlayerClass {Ranker, Caster, Officer, Engineer, Medic}
    public PlayerClass selectedClass = PlayerClass.Ranker;
    [Header("Weaponry")]
    [SerializeField] private Weapon[] weapons;
    [HideInInspector] public List<Weapon> weaponInstances = new();
    public Weapon currentWeapon;
    [Header("Class Abilities")]
    [SerializeField] private ClassAbility classAbility;
    [HideInInspector] public ClassAbility abilityInstance;
    [Header("UI")]
    [SerializeField] private Transform hpBar;
    public GameObject debugDoneObject;
    void Start()
    {
        foreach (Weapon weapon in weapons)
        {
            Weapon newWeapon = Instantiate(weapon, transform);
            newWeapon.thisEntity = this;
            newWeapon.tag = tag;
            weaponInstances.Add(newWeapon);
        }

        if (selectedClass == PlayerClass.Officer)
        {
            abilityInstance = Instantiate(classAbility, transform);
            abilityInstance.thisEntity = this;
        }
        currentWeapon = weaponInstances[0];
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public override void TakeDamage(float amount, Entity attacker)
    {
        base.TakeDamage(amount, attacker);
        UpdateHealthUI();
    }
    public void UpdateHealthUI()
    {
        hpBar.localScale = new Vector3(health/maxHealth, 1f, 1f);
    }

    public void SkipTurn()
    {
        actions = 0;
        TurnHandler.instance.UpdateTurns();
    }
    public void Attack()
    {
        currentWeapon.TryAttack();
    }

    public void SwitchWeapon(Weapon requestedWeapon)
    {
        currentWeapon = requestedWeapon;
    }

    protected override void FinishedMovement()
    {
        base.FinishedMovement();
        TurnHandler.instance.UpdateTurns();
        if (!ActionUIHandler.instance.opened)
        {
            ActionUIHandler.instance.ShowUI(this);
        }
    }

    private void OnMouseDown()
    {
        if (actions > 0 && !PlayerEntityMovement.instance.isMoving)
        {
            ActionUIHandler.instance.ShowUI(this);
        }
    }

    public PlayerEntity GetAdjacentPlayers()
    {
        foreach (TileObject neighbor in currentTile.neighbors)
        {
            if (neighbor.hasUnit && neighbor.hasUnit is PlayerEntity)
            {
                return neighbor.hasUnit as PlayerEntity; //i'll uh, make it return a list later this is just a quick way.
            }
        }
        return null;
    }
}