using System.Collections.Generic;
using EscapeRoomEngine.Engine.Runtime.Modules;
using UnityEngine;

namespace EscapeRoomEngine.Engine.Runtime.Requirements
{
    [CreateAssetMenu(menuName = "Requirements/Face Space Center")]
    public class FaceSpaceCenter : PlacementRequirement
    {
        protected override List<Placement> FilterCandidates(List<Placement> candidates, Module module, Space space)
        {
            float width = space.rrPlacement.size.x - 1;
            float length = space.rrPlacement.size.y - 1;

            candidates.RemoveAll(candidate =>
            {
                var xRel = candidate.position.x / width;
                var zRel = candidate.position.z / length;

                return candidate.orientation !=
                       (zRel > xRel
                           ? zRel > 1 - xRel
                               ? Orientation.South
                               : Orientation.East
                           : zRel > 1 - xRel
                               ? Orientation.West
                               : Orientation.North);
            });

            return candidates;
        }
    }
}