using System;
using System.Collections.Generic;

namespace DunGen.Graph
{
	/// <summary>
	/// Possible types of node. Currently used to prevent start & goal nodes from being moved/deleted
	/// </summary>
	public enum NodeType
	{
		Normal,
		Start,
		Goal,
	}

	/// <summary>
	/// A node on the dungeon flow graph, representing a single tile
	/// </summary>
	[Serializable]
	public class GraphNode
	{
		public DungeonFlow Graph;

		/// <summary>
		/// A collection of tile sets from which one tile will be chosen at random to place at the current position in the dungeon
		/// </summary>
		public List<TileSet> TileSets = new List<TileSet>();
		/// <summary>
		/// The node type (see NodeType description)
		/// </summary>
		public NodeType NodeType;
		/// <summary>
		/// The node's normalized position on the graph
		/// </summary>
		public float Position;
		/// <summary>
		/// A descriptive label, solely for visualization
		/// </summary>
		public string Label;
		/// <summary>
		/// A list of possible keys to be placed in this area
		/// </summary>
		public List<KeyLockPlacement> Keys = new List<KeyLockPlacement>();
		/// <summary>
		/// A list of possible locked doors to be placed in this area
		/// </summary>
		public List<KeyLockPlacement> Locks = new List<KeyLockPlacement>();
		/// <summary>
		/// Where locked doors are allowed to be placed on this node
		/// </summary>
		public NodeLockPlacement LockPlacement;
		/// <summary>
		/// Settings for straightening the path between this node and the next
		/// </summary>
		public PathStraighteningSettings StraighteningSettings = new PathStraighteningSettings();


		public GraphNode(DungeonFlow graph)
		{
			Graph = graph;
		}
	}
}