using Unity.Entities;
using UnityEngine;
using EE2Clone.Components;
using EE2Clone.Data;

namespace EE2Clone.Authoring
{
    public class BuildingAuthoring : MonoBehaviour
    {
        public BuildingDataSO BuildingData;
        public bool StartConstructed = false;

        public class Baker : Baker<BuildingAuthoring>
        {
            public override void Bake(BuildingAuthoring authoring)
            {
                var data = authoring.BuildingData;
                if (data == null) return;

                var entity = GetEntity(TransformUsageFlags.Dynamic);

                AddComponent(entity, new BuildingTag());
                AddComponent(entity, new Health
                {
                    Current = authoring.StartConstructed ? data.MaxHealth : 1,
                    Max = data.MaxHealth
                });
                AddComponent(entity, new OwnerPlayer { PlayerId = 0 });
                AddComponent(entity, new BuildingTypeComponent { Value = data.BuildingType });
                AddComponent(entity, new LineOfSight { Range = data.LineOfSightRange });
                AddComponent(entity, new EpochLevel { Value = data.RequiredEpoch });

                if (!authoring.StartConstructed)
                {
                    AddComponent(entity, new UnderConstructionTag());
                    AddComponent(entity, new ConstructionProgress
                    {
                        Progress = 0f,
                        BuildTime = data.BuildTime
                    });
                }

                if (data.TerritoryRadius > 0)
                {
                    AddComponent(entity, new TerritorySource { Radius = data.TerritoryRadius });
                }

                if (data.ProvidesPopulation > 0)
                {
                    AddComponent(entity, new ProvidesPopulation { Amount = data.ProvidesPopulation });
                }

                AddComponent(entity, new RallyPoint { Position = default });

                // Production queue
                AddBuffer<ProductionQueueElement>(entity);
                AddBuffer<ResearchQueueElement>(entity);

                // Dropoff
                if (data.IsDropoff && data.AcceptedResourceTypes != null && data.AcceptedResourceTypes.Length > 0)
                {
                    AddComponent(entity, new DropoffBuilding { AcceptedType = data.AcceptedResourceTypes[0] });
                }
            }
        }
    }
}