using System;
using UnityEngine;

namespace Fusion.Addons.SimpleKCC
{
    internal sealed class KCCOverlapHit
    {
        public EColliderType Type;

        public Collider Collider;

        public Transform Transform;

        public bool IsConvex;

        public bool IsTrigger;

        public bool IsPrimitive;

        public bool IsConvertible;

        public bool IsWithinExtent;

        public bool HasPenetration;

        public float MaxPenetration;

        public float UpDirectionDot;

        public ECollisionType CollisionType;

        public Vector3 CachedPosition;

        public Quaternion CachedRotation;

        private static readonly Type SphereColliderType = typeof(SphereCollider);

        private static readonly Type CapsuleColliderType = typeof(CapsuleCollider);

        private static readonly Type BoxColliderType = typeof(BoxCollider);

        private static readonly Type MeshColliderType = typeof(MeshCollider);

        private static readonly Type TerrainColliderType = typeof(TerrainCollider);

        public bool IsValid()
        {
            return Type != EColliderType.None;
        }

        public bool Set(Collider collider)
        {
            Type type = collider.GetType();
            if (type == BoxColliderType)
            {
                Type = EColliderType.Box;
                IsConvex = true;
                IsPrimitive = true;
                IsConvertible = false;
            }
            else if (type == MeshColliderType)
            {
                MeshCollider meshCollider = (MeshCollider)collider;
                Type = EColliderType.Mesh;
                IsConvex = meshCollider.convex;
                IsPrimitive = false;
                IsConvertible = false;
                if (IsConvex)
                {
                    Mesh sharedMesh = meshCollider.sharedMesh;
                    IsConvertible = sharedMesh != null && sharedMesh.isReadable;
                }
            }
            else if (type == TerrainColliderType)
            {
                Type = EColliderType.Terrain;
                IsConvex = false;
                IsPrimitive = false;
                IsConvertible = false;
            }
            else if (type == SphereColliderType)
            {
                Type = EColliderType.Sphere;
                IsConvex = true;
                IsPrimitive = true;
                IsConvertible = false;
            }
            else
            {
                if (!(type == CapsuleColliderType))
                {
                    return false;
                }

                Type = EColliderType.Capsule;
                IsConvex = true;
                IsPrimitive = true;
                IsConvertible = false;
            }

            Collider = collider;
            Transform = collider.transform;
            IsTrigger = collider.isTrigger;
            IsWithinExtent = false;
            HasPenetration = false;
            MaxPenetration = 0f;
            UpDirectionDot = 0f;
            CollisionType = ECollisionType.None;
            return true;
        }

        public void Reset()
        {
            Type = EColliderType.None;
            Collider = null;
            Transform = null;
        }

        public void CopyFromOther(KCCOverlapHit other)
        {
            Type = other.Type;
            Collider = other.Collider;
            Transform = other.Transform;
            IsConvex = other.IsConvex;
            IsTrigger = other.IsTrigger;
            IsPrimitive = other.IsPrimitive;
            IsConvertible = other.IsConvertible;
            IsWithinExtent = other.IsWithinExtent;
            HasPenetration = other.HasPenetration;
            MaxPenetration = other.MaxPenetration;
            UpDirectionDot = other.UpDirectionDot;
            CollisionType = other.CollisionType;
        }
    }
}