using System;
using Sandbox;

[Perk( Rarity.Rare, alwaysOfferDebug: false )]
public class PerkDashLength : Perk
{
	private enum Mod { DashLength };

	static PerkDashLength()
	{
		Register<PerkDashLength>(
			name: "Leg Day",
			imagePath: "textures/icons/vector/dash_strength.png",
			description: level => $"+{GetValue( level, Mod.DashLength, true )}% dash distance",
			upgradeDescription: level => $"+{GetValue( level - 1, Mod.DashLength, true )}%→{GetValue( level, Mod.DashLength, true )}% dash distance"
		);
	}

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

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

		Player.Modify( this, PlayerStat.DashStrength, GetValue( Level, Mod.DashLength ), ModifierType.Mult );
		Player.Modify( this, PlayerStat.DashInvulnTime, GetValue( Level, Mod.DashLength ), ModifierType.Mult );
	}

	private static float GetValue( int level, Mod mod, bool isPercent = false )
	{
		switch ( mod )
		{
			case Mod.DashLength:
			default:
				return isPercent
					? 15f + 25f * level
					: 1f + 0.15f + 0.25f * level;
		}
	}
}