using Godot;

namespace GameJamDungeon
{
  public static class DamageCalculator
  {
    public static double CalculatePlayerDamage(int attackDamage, PlayerStatInfo playerStatInfo, EnemyStatInfo enemyStatInfo, WeaponInfo weapon, bool isCriticalHit)
    {
      var baseDamage = attackDamage + playerStatInfo.CurrentAttack;
      var hydricResistance = enemyStatInfo.HydricResistance;
      var igneousResistance = enemyStatInfo.IgneousResistance;
      var telluricResistance = enemyStatInfo.TelluricResistance;
      var aeolicResistance = enemyStatInfo.AeolicResistance;
      var ferrumResistance = enemyStatInfo.FerrumResistance;

      if (weapon.WeaponTags.Contains(WeaponTag.IgnoreAffinity))
      {
        hydricResistance = 0;
        igneousResistance = 0;
        telluricResistance = 0;
        aeolicResistance = 0;
        ferrumResistance = 0;
      }

      var elementADamage = (weapon.BaseHydricDamageBonus > 0 ? weapon.BaseHydricDamageBonus - hydricResistance : 0) / 100;
      var elementBDamage = (weapon.IgneousDamageBonus > 0 ? weapon.IgneousDamageBonus - igneousResistance : 0) / 100;
      var elementCDamage = (weapon.TelluricDamageBonus > 0 ? weapon.TelluricDamageBonus - telluricResistance : 0) / 100;
      var elementDDamage = (weapon.AeolicDamageBonus > 0 ? weapon.AeolicDamageBonus - aeolicResistance : 0) / 100;
      var elementEDamage = (weapon.FerrumDamageBonus > 0 ? weapon.FerrumDamageBonus - ferrumResistance : 0) / 100;
      var elementalBonusDamage = baseDamage + (baseDamage * elementADamage) + (baseDamage * elementBDamage) + (baseDamage * elementCDamage) + (baseDamage * elementDDamage) + (baseDamage * elementEDamage);
      var calculatedDamage = elementalBonusDamage - enemyStatInfo.CurrentDefense;

      if (isCriticalHit)
        calculatedDamage *= 2;

      return calculatedDamage;
    }

    public static double CalculateEnemyDamage(int attackDamage, PlayerStatInfo playerStatInfo, EnemyStatInfo enemyStatInfo, ArmorInfo armor, bool isCriticalHit)
    {
      var baseDamage = attackDamage + enemyStatInfo.CurrentAttack;
      var elementADamage = (enemyStatInfo.BaseHydricDamageBonus > 0 ? enemyStatInfo.BaseHydricDamageBonus - armor.HydricResistance : 0) / 100;
      var elementBDamage = (enemyStatInfo.IgneousDamageBonus > 0 ? enemyStatInfo.IgneousDamageBonus - armor.IgneousResistance : 0) / 100;
      var elementCDamage = (enemyStatInfo.TelluricDamageBonus > 0 ? enemyStatInfo.TelluricDamageBonus - armor.TelluricResistance : 0) / 100;
      var elementDDamage = (enemyStatInfo.AeolicDamageBonus > 0 ? enemyStatInfo.AeolicDamageBonus - armor.AeolicResistance : 0) / 100;
      var elementEDamage = (enemyStatInfo.FerrumDamageBonus > 0 ? enemyStatInfo.FerrumDamageBonus - armor.FerrumResistance : 0) / 100;
      var elementalBonusDamage = baseDamage + (baseDamage * elementADamage) + (baseDamage * elementBDamage) + (baseDamage * elementCDamage) + (baseDamage * elementDDamage) + (baseDamage * elementEDamage);
      var calculatedDamage = elementalBonusDamage - playerStatInfo.CurrentDefense - (armor != null ? armor.Defense : 0);

      if (isCriticalHit)
        calculatedDamage *= 2;

      return calculatedDamage;
    }
  }
}