using Chickensoft.Collections;
using System;
using Zennysoft.Ma.Adapter;
using Zennysoft.Ma.Adapter.Entity;

namespace Zennysoft.Game.Ma;
public class EquipmentComponent : IEquipmentComponent
{
  public IAutoProp<IWeapon> EquippedWeapon => _equippedWeapon;

  public IAutoProp<IArmor> EquippedArmor => _equippedArmor;

  public IAutoProp<IAccessory> EquippedAccessory => _equippedAccessory;

  public IAutoProp<IEquipableItem> EquippedAmmo => _equippedAmmo;

  public AutoProp<IWeapon> _equippedWeapon;

  public AutoProp<IArmor> _equippedArmor;

  public AutoProp<IAccessory> _equippedAccessory;

  public AutoProp<IEquipableItem> _equippedAmmo;

  public event Action<IEquipableItem> EquipmentChanged;

  public int BonusAttack => _equippedWeapon.Value.BonusAttack + _equippedArmor.Value.BonusAttack + _equippedAccessory.Value.BonusAttack;

  public int BonusDefense => _equippedWeapon.Value.BonusDefense + _equippedArmor.Value.BonusDefense + _equippedAccessory.Value.BonusDefense;

  public int BonusHP => _equippedWeapon.Value.BonusHP + _equippedArmor.Value.BonusHP + _equippedAccessory.Value.BonusHP;

  public int BonusVT => _equippedWeapon.Value.BonusVT + _equippedArmor.Value.BonusVT + _equippedAccessory.Value.BonusVT;

  public int BonusLuck => _equippedWeapon.Value.BonusLuck + _equippedArmor.Value.BonusLuck + _equippedAccessory.Value.BonusLuck;

  public ElementalResistanceSet ElementalResistance => _equippedWeapon.Value.ElementalResistance + _equippedArmor.Value.ElementalResistance + _equippedAccessory.Value.ElementalResistance;

  public EquipmentComponent()
  {
    _equippedWeapon = new AutoProp<IWeapon>(new Weapon());
    _equippedArmor = new AutoProp<IArmor>(new Armor());
    _equippedAccessory = new AutoProp<IAccessory>(new Accessory());
    _equippedAmmo = new AutoProp<IEquipableItem>(new Ammo());
  }

  public void Reset()
  {
    _equippedWeapon.OnNext(new Weapon());
    _equippedArmor.OnNext(new Armor());
    _equippedAccessory.OnNext(new Accessory());
    _equippedAmmo.OnNext(new Ammo());
  }

  public void Equip(IEquipableItem equipable)
  {
    if (equipable is Weapon weapon)
      _equippedWeapon.OnNext(weapon);
    if (equipable is Armor armor)
      _equippedArmor.OnNext(armor);
    if (equipable is Accessory accessory)
      _equippedAccessory.OnNext(accessory);
    if (equipable is Ammo ammo)
      _equippedAmmo.OnNext(ammo);
    EquipmentChanged?.Invoke(equipable);
  }

  public void Unequip(IEquipableItem equipable)
  {
    if (equipable is Weapon weapon)
      _equippedWeapon.OnNext(new Weapon());
    if (equipable is Armor armor)
      _equippedArmor.OnNext(new Armor());
    if (equipable is Accessory accessory)
      _equippedAccessory.OnNext(new Accessory());
    if (equipable is Ammo ammo)
      _equippedAmmo.OnNext(new Ammo());
    EquipmentChanged?.Invoke(equipable);
  }

  public bool IsItemEquipped(IEquipableItem item)
  {
    return item == _equippedWeapon.Value || item == _equippedArmor.Value || item == _equippedAccessory.Value || item == _equippedAmmo.Value;
  }

  public void UpdateEquipment(IEquipableItem equipable) => EquipmentChanged?.Invoke(equipable);

  public bool AugmentableEquipmentExists()
  {
    return (_equippedWeapon.Value.ItemName != null && _equippedWeapon.Value.Augment == null) || (_equippedArmor.Value.ItemName != null && _equippedArmor.Value.Augment == null) || (_equippedAccessory.Value.ItemName != null && _equippedAccessory.Value.Augment == null);
  }
}