using System;
using System.Collections.Generic;
using RobotAndDonkey.Game.Data;
using RobotAndDonkey.Game.Execution.Results;
using RobotAndDonkey.Game.GameState;
using RobotAndDonkey.Game.Intents;

namespace RobotAndDonkey.Game.Modifiers;

public record GravityModifier(EModifierDuration Duration) : Modifier(EModifierKind.Robot, EModifierId.Gravity, Duration)
{
    protected override GravityModifier CreateInstance() => new(Duration);

    public override void OnAdded(Entity owner, List<Intent> newIntents)
    {
        newIntents.Add(new ModifyCurrency(new(0, -Balancing.Instance.GravityMaxCarryPenalty, 0, 0, 0, 0)));
    }

    public override void Before(Guid requestId, ReadOnlySpan<Intent> intents, CoreLoop coreLoop, Entity owner, List<Intent> newIntents, List<Result> results)
    {
        foreach (var intent in intents)
        {
            if (intent is Move)
                intent.EnergyCost += Balancing.Instance.GravityExtraMoveCost;
        }
    }

    public override void OnRemoved(Entity owner, List<Intent> newIntents)
    {
        newIntents.Add(new ModifyCurrency(new(0, Balancing.Instance.GravityMaxCarryPenalty, 0, 0, 0, 0)));
    }

    public override string ToolTip => $"Gravity: −{Balancing.Instance.GravityMaxCarryPenalty} Max Carry; Move costs +{Balancing.Instance.GravityExtraMoveCost} energy (temporary).";
}