using System;
using System.Linq;
using Godot;
using Godot.Collections;

namespace Cirno.Scripts.Components.Actors;

public partial class PlayerWeaponProvider : Node2D
{
    public Array<Weapon> EquippedWeapons { get; set; } = new Array<Weapon>();
    public int CurrentWeaponIndex { get; set; } = 0;

    private InventoryManager _inventoryManager;

    public Weapon EquippedWeapon { get; set; }

    //private PlayerMovement _parent;

    //public Vector2 FacingDirection 

    public override void _Ready()
    {
        _inventoryManager = this.GetInventoryManager();
    }

    public void Init(PlayerMovement parent)
    {
        //_parent = parent;
    }

    public void AddWeapon(Weapon weapon)
    {
        EquippedWeapons.Add(weapon);
    }

    public void EquipWeapon(string itemKey)
    {
        if (string.IsNullOrWhiteSpace(itemKey)) return;
        var weapon = EquippedWeapons.FirstOrDefault(x => x.WeaponData.ItemKey == itemKey);

        if (weapon is null) return;

        EquipWeapon(weapon);
    }

    // Triggered by event in inventorymanager
    public void EquipWeapon(Weapon weapon)
    {
        EquippedWeapon = weapon;
        CurrentWeaponIndex = EquippedWeapons.IndexOf(weapon);
    }

    public void NextWeapon()
    {
        CurrentWeaponIndex += 1;
        if (CurrentWeaponIndex > EquippedWeapons.Count - 1)
        {
            CurrentWeaponIndex = EquippedWeapons.Count - 1;
        }

        EquipWeapon(EquippedWeapons[CurrentWeaponIndex]);
    }

    public void PreviousWeapon()
    {
        CurrentWeaponIndex -= 1;
        if (CurrentWeaponIndex < 0)
        {
            CurrentWeaponIndex = 0;
        }

        EquipWeapon(EquippedWeapons[CurrentWeaponIndex]);
    }

    public void Shoot(Vector2 direction)
    {
        if (EquippedWeapon == null) return;


        EquippedWeapon.ShootDirection = direction;
        EquippedWeapon.Shoot();
    }

}