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

namespace ProjectM.Authoring
{
    /// <summary>
    /// Authoring for the player ghost prefab. Bakes the gameplay components onto the entity and
    /// exposes movement tunables for designers. Ghost replication, <c>GhostOwner</c> and
    /// AutoCommandTarget are supplied by the GhostAuthoringComponent added on the same prefab
    /// GameObject. <c>GetEntity(TransformUsageFlags.Dynamic)</c> ensures a runtime-mutable
    /// LocalTransform exists.
    /// </summary>
    public class PlayerAuthoring : MonoBehaviour
    {
        [Min(0f)] public float MoveSpeed = 6f;
        [Min(0f)] public float TurnRateDegreesPerSec = 720f;

        private class PlayerBaker : Baker<PlayerAuthoring>
        {
            public override void Bake(PlayerAuthoring authoring)
            {
                var entity = GetEntity(authoring, TransformUsageFlags.Dynamic);

                AddComponent<PlayerTag>(entity);
                AddComponent(entity, new PlayerMoveStats
                {
                    MoveSpeed = authoring.MoveSpeed,
                    TurnRateRadiansPerSec = math.radians(authoring.TurnRateDegreesPerSec)
                });
                AddComponent<PlayerFacing>(entity);
                AddComponent<PlayerInput>(entity);
            }
        }
    }
}