using System.Collections.Generic;
using IronPython.Hosting;
using Microsoft.Scripting.Hosting;

namespace Dungeoneer {

	public static class Scripting {
		private static ScriptEngine Engine;
		public static dynamic Scope;

		static Scripting() {
			//	set up python engine
			Engine = Python.CreateEngine();
			Scope = Engine.CreateScope();
			dynamic builtin = Engine.GetBuiltinModule();

			var paths = Engine.GetSearchPaths();
			paths.Add("/usr/lib/python3.12/");
			Engine.SetSearchPaths(paths);

			//	set up python environment
			builtin.SetVariable("input", (Func<string, string>)Input);
			builtin.RemoveVariable("open");

			Scope.repl = Program.ReplCommands;

			//	helper functions
			Scope.roll = (Func<int, int>)Dungeoneer.Util.Roll;
		}

		public static void Run(string file) { Engine.ExecuteFile(file, Scope); }
		public static dynamic Expr(string expression) { return Engine.Execute(expression, Scope); }

		public static string Input(string prompt) {
			Console.Write(prompt);
			return Console.ReadLine();
		}

	}

}