using GamecraftModdingAPI.Engines;
using GamecraftModdingAPI.Tasks;
using RobocraftX.Character;
using RobocraftX.Character.Movement;
using Svelto.DataStructures;
using Svelto.ECS;
using Techblox.Camera;

namespace NScript
{
    class CameraEngine: IApiEngine
    {
        private Repeatable task;

        private bool isDisposed = false;
        
        public static bool useDefaultBehaviour = true;
        
        public void Ready()
        {
            task = new Repeatable(
                Tick,
                () => !(isDisposed && entitiesDB != null)
            );
            Scheduler.Schedule(task);
        }

        public EntitiesDB entitiesDB { get; set; }

        public void Dispose()
        {
            isDisposed = true;
        }

        public string Name { get; } = "NScriptModCameraEngine";
        public bool isRemovable { get; } = true;

        private void Tick()
        {
            if (useDefaultBehaviour) return;
            entitiesDB.QueryEntities<CharacterTagEntityStruct>(CharacterExclusiveGroups.OnFootGroup)
                .Deconstruct(out NB<CharacterTagEntityStruct> tags, out int count);
            for (int i = 0; i < count; i++)
            {
                if (entitiesDB.TryQueryEntitiesAndIndex(tags[i].ID.entityID, CameraExclusiveGroups.CameraGroup,
                    out uint index, out NB<CharacterCameraEntityStruct> cams))
                {
                    ref var ccses = ref entitiesDB.QueryEntity<CameraTargetEntityStruct>(tags[i].ID.entityID,
                        CameraExclusiveGroups.CameraGroup);
                    ccses.targetPosition.y += 1;
                    cams[index].targetPosition.y += 1;
                    cams[index].position.y += 1;
                    cams[index].smoothedDistance = 0;
                }
            }
            entitiesDB.QueryEntities<CharacterCameraEntityStruct>(CameraExclusiveGroups.VisualCameraGroup)
                .Deconstruct(out NB<CharacterCameraEntityStruct> cces, out int count2);
            for (int i = 0; i < count; i++)
            {
                cces[i].position.y += 1;
                cces[i].targetPosition.y += 1;
            }
            GamecraftModdingAPI.Utility.Logging.MetaLog($"Ticked on {count+count2} cameras ({count} C & {count2} VC)");
        }
    }
}