using GameCore.ECS;
using GameCore.ECS.Interfaces;
using GameCore.Events;

namespace GameCore.Logic;

public class LogicSequenceSystem : ISystem
{
    private readonly World _world;

    public LogicSequenceSystem(World world)
    {
        _world = world;
        world.Subscribe<ButtonPressedEvent>(OnButtonPressed);
    }

    public void Update(World world, float deltaTime)
    {
    }

    private void OnButtonPressed(ButtonPressedEvent e)
    {
        var logicEntities = _world.GetEntitiesWith<LogicSequenceComponent>();

        foreach (var entity in logicEntities)
        {
            var logic = _world.GetComponent<LogicSequenceComponent>(entity);
            if (logic == null) continue;

            if (!logic.RequiredChannels.Contains(e.ChannelId)) continue;

            if (e.NewState)
                logic.ActivatedChannels.Add(e.ChannelId);
            else
                logic.ActivatedChannels.Remove(e.ChannelId);

            _world.Logger.Info(
                $"[LogicSequenceSystem] Channel '{e.ChannelId}' activated. Total {logic.ActivatedChannels.Count}/{logic.RequiredChannels.Count}");

            var allConditionsMet = logic.ActivatedChannels.Count == logic.RequiredChannels.Count;

            if (allConditionsMet && !logic.IsCurrentlyActive)
            {
                if (logic.IsOneTimeTrigger && logic.HasTriggered) continue;

                _world.Logger.Info("[LogicSequenceSystem] All channels activated. Executing OnActivateActions.");
                foreach (var action in logic.OnActivateActions) action.Execute(_world);

                logic.IsCurrentlyActive = true;
                logic.HasTriggered = true;
            }
            else if (!allConditionsMet && logic.IsCurrentlyActive)
            {
                if (logic.IsOneTimeTrigger) continue;

                _world.Logger.Info("[LogicSequenceSystem] Channels deactivated. Executing OnDeactivateActions.");
                foreach (var action in logic.OnDeactivateActions) action.Execute(_world);

                logic.IsCurrentlyActive = false;
            }
        }
    }
}