using System;
using Sandbox;

[Perk( Rarity.Unique, disabled: true, alwaysOfferDebug: false )]
public class PerkFrictionReduction : Perk
{
	private enum Mod { MoveSpeed, DashStrength, FrictionReductionPercent };

	static PerkFrictionReduction()
	{
		//Register<PerkFrictionReduction>(
		//	name: "Rollerblades",
		//	imagePath: "textures/icons/vector/friction_reduction.png",
		//	description: level => $"-{GetValue( level, Mod.MoveSpeed, true )}% move speed\n-{GetValue( level, Mod.DashStrength, true )}% dash strength\n-{GetValue( level, Mod.FrictionReductionPercent, true )}% friction",
		//	upgradeDescription: level => $"-{GetValue( level - 1, Mod.MoveSpeed, true )}%→-{GetValue( level, Mod.MoveSpeed, true )}% move speed\n-{GetValue( level - 1, Mod.DashStrength, true )}%→-{GetValue( level, Mod.DashStrength, true )}% dash strength\n-{GetValue( level - 1, Mod.FrictionReductionPercent, true )}%→-{GetValue( level, Mod.FrictionReductionPercent, true )}% friction"
		//);
	}

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

	// todo: this is OP?

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

		Player.Modify( this, PlayerStat.MoveSpeedMultiplier, GetValue( Level, Mod.MoveSpeed ), ModifierType.Mult );
		Player.Modify( this, PlayerStat.DashStrength, GetValue( Level, Mod.DashStrength ), ModifierType.Mult );
		Player.Modify( this, PlayerStat.Friction, GetValue( Level, Mod.FrictionReductionPercent ), ModifierType.Mult );
	}

	private static float GetValue( int level, Mod mod, bool isPercent = false )
	{
		switch ( mod )
		{
			case Mod.MoveSpeed:
			default:
				return isPercent
					? 40f
					: 1f - 0.4f;
			case Mod.DashStrength:
				return isPercent
					? 60f * level
					: 1f - 0.60f;
			case Mod.FrictionReductionPercent:
				return isPercent
					? 70f
					: 1f - 0.7f;
		}
	}
}