using System;
using System.Collections.Generic;
using System.Text;
using Sunweaver.Commands;
using Sunweaver.DataPrototypes;
using Sunweaver.Commands.Abstracts;

namespace Sunweaver.Console
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                Sunweaver.DNASystem.Initialize();
            }
            catch (Exception Except)
            {
                System.Console.WriteLine("Error initializing: \"" + Except.Message + "\"");
            }

            VirtualMachine VM = new VirtualMachine();
            DNA dna = new DNA();

            System.Console.Write(
                "Welcome to the Sunweaver console command line.\n" + 
                "Enter a blank line to exit.\n");

            string line;
            while ((line = System.Console.ReadLine()) != string.Empty)
            {
                try
                {
                    if (!Sunweaver.Parser.ParseLine(line, dna))
                    {
                        //Reparse the line as base pairs, and execute it now
                        List<BasePair> basepairs = Sunweaver.Parser.ParseCodule(line.Split(" ".ToCharArray()), dna);

                        Codule codule = new Codule(basepairs);
                        codule.Execute(VM);

                        System.Console.WriteLine(VM.Stack.ToString());
                    }
                }
                catch(Exception Except)
                {
                    System.Console.Write("The previous line failed to execute, \"" + 
                        Except.Message + "\"\n");
                }

            }
        }
    }
}