using System;
using Sandbox;

[Perk( Rarity.Unique, curse: true, alwaysOfferDebug: false )]
public class CurseHurtEnemyGainShield : Perk
{
	private enum Mod { ShieldDamage };

	static CurseHurtEnemyGainShield()
	{
		Register<CurseHurtEnemyGainShield>(
			name: "Oppressing Shield",
			imagePath: "textures/icons/vector/curse_hurt_enemy_gain_shield.png",
			description: level => $"Enemies that hit you\nget a shield that does\n[-]{(int)GetValue( level, Mod.ShieldDamage )}[/-] dmg when it breaks"
		);
	}

	public override void Start()
	{
		base.Start();

		HighlightColor = new Color( 1f, 0.7f, 0f );
		HighlightDuration = 0.15f;
		HighlightOpacity = 1.6f;
	}

	public override void Refresh()
	{
		base.Refresh();

	}

	public override void OnHit( float amount, DamageType damageType, bool isSelfInflicted, Vector2 dir, float force, Enemy enemySource, EnemyType enemyType, float previousHealth )
	{
		base.OnHit( amount, damageType, isSelfInflicted, dir, force, enemySource, enemyType, previousHealth );

		if ( Player.IsInvincible )
			return;

		if ( enemySource.IsValid() && !enemySource.IsShielded )
		{
			enemySource.GainShield( breakDmg: GetValue( Level, Mod.ShieldDamage ) );

			Highlight();

			IconScale = Game.Random.Float( 1.1f, 1.15f );
			IconAngleOffset = Game.Random.Float( 5f, 8f ) * (Game.Random.Int( 0, 1 ) == 0 ? -1f : 1f);
		}
	}

	private static float GetValue( int level, Mod mod, bool isPercent = false )
	{
		switch ( mod )
		{
			case Mod.ShieldDamage:
			default:
				return 10f;
				//switch ( level )
				//{
				//	case 1: default:  return 10f;
				//	case 2: return 50f;
				//}
		}
	}
}