using ProjectM.Simulation;
using Unity.Entities;
using UnityEngine;

namespace ProjectM.Authoring
{
    /// <summary>
    /// Authoring for a resource-node ghost prefab (ownerless interpolated — duplicate from UpgradePickup.prefab
    /// so the GhostAuthoringComponent comes free). Bakes <see cref="ResourceNode"/> + <see cref="HitRadius"/>
    /// (reused for the harvest hit test) + <see cref="RegionTag"/>{Expedition} so GhostRelevancy scopes the node
    /// to expedition players. The field spawner overrides ResourceId (round-robin) and Position per instance.
    /// </summary>
    public class ResourceNodeAuthoring : MonoBehaviour
    {
        public enum ResourceKind : byte { Aether = 1, Ore = 2, Biomass = 3 }

        [Tooltip("Default resource type (the spawner round-robins this per node).")]
        public ResourceKind Kind = ResourceKind.Aether;

        [Tooltip("Total resource units in the node before it depletes.")]
        [Min(1)] public int Amount = 30;

        [Tooltip("Units harvested per projectile hit.")]
        [Min(1f)] public float HarvestPerHit = 5f;

        [Tooltip("Hit radius (world units) for the harvest sweep.")]
        [Min(0f)] public float HitRadius = 1.2f;

        private class ResourceNodeBaker : Baker<ResourceNodeAuthoring>
        {
            public override void Bake(ResourceNodeAuthoring authoring)
            {
                var entity = GetEntity(authoring, TransformUsageFlags.Dynamic);
                AddComponent(entity, new ResourceNode
                {
                    ResourceId = (byte)authoring.Kind,
                    Remaining = authoring.Amount,
                    HarvestPerHit = authoring.HarvestPerHit,
                });
                AddComponent(entity, new HitRadius { Value = authoring.HitRadius });
                AddComponent(entity, new RegionTag { Region = RegionId.Expedition });
            }
        }
    }
}