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

namespace EscapeRoomEngine.Engine.Runtime.Requirements
{
    [CreateAssetMenu(menuName = "Requirements/Place Along Space Edges")]
    public class PlaceAlongSpaceEdges : PlacementRequirement
    {
        protected override List<Placement> FilterCandidates(List<Placement> candidates, Module module, Space space)
        {
            var right = space.rrPlacement.size.x - 1;
            var top = space.rrPlacement.size.y - 1;
            
            candidates.RemoveAll(candidate =>
            {
                var keep = false;
                        
                candidate.ForEachPosition(position =>
                {
                    if (!keep)
                    {
                        keep = position.x == 0 || position.x == right || position.z == 0 || position.z == top;
                    }
                });
                        
                return !keep;
            });

            return candidates;
        }
    }
}