LocationDescriptor.cs

using Shockah.Kokoro;
using Shockah.Kokoro.Stardew;
using StardewValley;
using System;
using System.Linq;

namespace Shockah.MachineStatus;

internal readonly struct LocationDescriptor : IEquatable<LocationDescriptor>
{
	public readonly string Name { get; }
	public readonly string TypeName { get; }
	public readonly string MapPath { get; }

	public LocationDescriptor(string name, string typeName, string mapPath)
	{
		this.Name = name;
		this.TypeName = typeName;
		this.MapPath = mapPath;
	}

	private static string GetNameForLocation(GameLocation location)
	{
		var selfName = location.NameOrUniqueName ?? "";
		var rootName = location.Root?.Value?.NameOrUniqueName ?? "";
		if (selfName == rootName)
			return selfName;
		else if (selfName == "" && rootName == "")
			return "";
		else if (selfName == "" && rootName != "")
			return $"<unknown> @ {rootName}";
		else if (selfName != "" && rootName == "")
			return selfName;
		else
			return $"{selfName} @ {rootName}";
	}

	public static LocationDescriptor Create(GameLocation location)
		=> new(GetNameForLocation(location), location.GetType().GetBestName(), location.mapPath.Value ?? "");

	public bool Matches(GameLocation location)
		=> Name == GetNameForLocation(location) && TypeName == location.GetType().GetBestName() && MapPath == (location.mapPath.Value ?? "");

	public GameLocation? Retrieve()
	{
		var self = this;
		return GameExt.GetAllLocations().FirstOrDefault(l => self.Matches(l));
	}

	public override string ToString()
		=> Name;

	public bool Equals(LocationDescriptor other)
		=> Name == other.Name && TypeName == other.TypeName && MapPath == other.MapPath;

	public override bool Equals(object? obj)
		=> obj is LocationDescriptor descriptor && Equals(descriptor);

	public override int GetHashCode()
		=> (Name, TypeName, MapPath).GetHashCode();

	public static bool operator ==(LocationDescriptor lhs, LocationDescriptor rhs)
		=> lhs.Equals(rhs);

	public static bool operator !=(LocationDescriptor lhs, LocationDescriptor rhs)
		=> !lhs.Equals(rhs);
}