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

namespace ProjectM.Authoring
{
    /// <summary>
    /// Authoring for the baked <see cref="GeyserFieldSpawner"/> singleton (mirrors ClutterFieldSpawnerAuthoring /
    /// CoverFieldSpawnerAuthoring). Place once in the gameplay subscene and assign the geyser ghost prefab;
    /// RoomFieldSystem scatters it in Blight-biome rooms (never Boss). Carries no transform.
    /// </summary>
    public class GeyserFieldSpawnerAuthoring : MonoBehaviour
    {
        [Tooltip("Geyser ghost prefab. Must carry GeyserAuthoring + a GhostAuthoringComponent (ownerless, interpolated).")]
        public GameObject GeyserPrefab;

        [Tooltip("Number of geysers per Blight-biome room (Boss rooms get none).")]
        [Min(0)] public int Count = 2;

        private class GeyserFieldSpawnerBaker : Baker<GeyserFieldSpawnerAuthoring>
        {
            public override void Bake(GeyserFieldSpawnerAuthoring authoring)
            {
                var entity = GetEntity(authoring, TransformUsageFlags.None);
                AddComponent(entity, new GeyserFieldSpawner
                {
                    Prefab = authoring.GeyserPrefab != null
                        ? GetEntity(authoring.GeyserPrefab, TransformUsageFlags.Dynamic)
                        : Entity.Null,
                    Count = authoring.Count,
                });
            }
        }
    }
}