namespace DanieleMarotta.RiversongCodeShowcase
{
    [GameSystemGroup(typeof(DayOnlyAgentSpawnSystemsGroup))]
    public class HarvesterAgentSystem : GameSystem, IUpdatable
    {
        [InjectService]
        private IEntityCollection _entityCollection;

        [InjectService]
        private IEntityCache _entityCache;

        [InjectService]
        private ITileSpace _tileSpace;

        [InjectService]
        private IAgentFactory _agentFactory;

        [InjectService]
        private IProductCatalog _productCatalog;

        [InjectService]
        private IBuildingSpatialQuery _buildingSpatialQuery;

        [InjectService]
        private IAgentCommonLogic _agentCommonLogic;

        public HarvesterAgentSystem(IServiceLocator serviceLocator) : base(serviceLocator)
        {
        }

        public void Update()
        {
            foreach (var harvester in _entityCache.GetHarvesterBuildings())
            {
                if (!_agentFactory.CanSpawnAgent(harvester, 1, AgentJob.Harvester)) continue;

                var resourceDefinition = harvester.Definition.HarvestedResource;
                var position = _tileSpace.TileToWorld(harvester.Rect.Center);
                var agent = _agentFactory.CreateVillager(resourceDefinition.HarvesterAgent, harvester, position, AgentJob.Harvester);

                var range = harvester.Definition.Range;
                IntentQueue.Harvest(ref agent.GetIntentQueueRW(), harvester.Rect, harvester.Id, resourceDefinition, range);
            }
        }
    }
}