using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace EscapeRoomEngine.Engine.Runtime
{
    public struct Placement
    {
        public Vector3Int position;
        public Vector2Int size;
        public Orientation orientation;

        /// <summary>
        /// Create a set with every possible combination of position and orientation given the dimensions.
        ///
        /// <remarks>
        ///     The size of all placements will be (1, 1).
        /// </remarks>
        /// </summary>
        public List<Placement> EveryPlacement
        {
            get
            {
                var placements = new List<Placement>();

                for (var zIter = 0; zIter < size.y; zIter++)
                {
                    for (var xIter = 0; xIter < size.x; xIter++)
                    {
                        placements.AddRange(OrientationExtensions.EveryOrientation().Select(o => new Placement
                        {
                            position = new Vector3Int(xIter, 0, zIter),
                            size = Vector2Int.one,
                            orientation = o
                        }));
                    }
                }

                return placements;
            }
        }

        public string PositionAndOrientation() => $"{{({position.x}, {position.z}), {orientation}}}";

        public override string ToString() => $"{{{position}, {size}, {orientation}}}";
    }
}