using System;
using Sandbox;

[Perk( Rarity.Common, alwaysOfferDebug: false )]
public class PerkRerolls : Perk
{
	private enum Mod { NumReroll };

	private TimeSince _timeSinceItem;

	private int _numRerolls;
	private int _numBanish;

	static PerkRerolls()
	{
		Register<PerkRerolls>(
			name: "Tuning Tools",
			imagePath: "textures/icons/vector/rerolls.png",
			description: level => $"+{(int)GetValue( level, Mod.NumReroll )} reroll-item ___ +1 banish-item",

			upgradeDescription: level => $"+{(int)GetValue( level, Mod.NumReroll )} reroll-item ___ +1 banish-item"
		);
	}

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

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

		_numRerolls += 4;
		_numBanish += 1;
		_timeSinceItem = 0f;
		ShouldUpdate = true;
	}

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

	}

	public override void Update( float dt )
	{
		base.Update( dt );

		if ( (_numRerolls > 0 || _numBanish > 0 ) && _timeSinceItem > 0.25f )
		{
			if( _numRerolls > 0 )
			{
				var dir = Utils.GetRandomVectorInCone( -Player.FacingDir );
				Player.GiveItemRpc( "reroll_item", dir );
				_numRerolls--;
			}
			else if( _numBanish > 0 )
			{
				var dir = Utils.GetRandomVectorInCone( -Player.FacingDir );
				Player.GiveItemRpc( "banish_item", dir );
				_numBanish--;
			}

			Manager.Instance.PlaySfxNearbyRpc( "scuffle", Player.Position2D, pitch: Utils.Map( _numBanish + _numRerolls, 5, 1, 0.8f, 0.95f ), volume: 0.85f, maxDist: 300f );

			_timeSinceItem = 0f;

			if ( !(_numRerolls > 0 || _numBanish > 0) )
				ShouldUpdate = false;
		}
	}

	private static float GetValue( int level, Mod mod, bool isPercent = false )
	{
		switch ( mod )
		{
			case Mod.NumReroll:
			default:
				//return 1 + level;
				return 4;
		}
	}
}