using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace mmoRL
{
    public class MenuOption
    {
        public string description = "Option";
        public int result = -1;
        public ConsoleColor color = ConsoleColor.Gray;
        public int scrollPosition = -20;

        public MenuOption(string desc, int result = -1, ConsoleColor color = ConsoleColor.Gray)
        {
            this.description = desc;
            this.result = result;
            this.color = color;
        }
    }

    public static class Menu
    {
        public static string preText = "";
        public static string postText = "";
        public static List<MenuOption> options = new List<MenuOption>();
        public static string optionPrefix = "    $i - ";
        public static bool active = false;
        public static int numberOfOptions = 15;
        public static int offset = 0;

        public static void TextScreen(string[] text)
        {
            int[] filler = new int[text.Length]; for (int i = 0; i < filler.Length; i++) filler[i] = 0;

            Menu.SetupMenu(text, filler,
                "", "", " ", 13);
            MainClass.mode = GameMode.TextScreen;
            Menu.active = true;
        }

        public static void SetupMenu(string[] optionTexts, int[] optionResults, string pre = "", string post = "", string oppre = "    $i - ", int optionCount = 15)
        {
            options.Clear();

            for (int i = 0; i < optionTexts.Length; i++)
            {
                options.Add(new MenuOption(optionTexts[i], optionResults[i]));
            }

            preText = pre;
            postText = post;
            optionPrefix = oppre;
            numberOfOptions = optionCount;
            offset = 0;
        }

        public static string NumberToLetter(int number)
        {
            switch (number)
            {
                case 0: return "a";
                case 1: return "b";
                case 2: return "c";
                case 3: return "d";
                case 4: return "e";
                case 5: return "f";
                case 6: return "g";
                case 7: return "h";
                case 8: return "i";
                case 9: return "j";
                case 10: return "k";
                case 11: return "l";
                case 12: return "m";
                case 13: return "n";
                case 14: return "o";
            }
            return "z";
        }

        public static string[] WordWrap(string originalString)
        {
            List<string> toReturn = new List<string>();

            int limit = 70 - optionPrefix.Length;

            while (originalString.Length > limit)
            {
                toReturn.Add(originalString.Substring(0, limit));
                originalString = originalString.Substring(limit);
            }

            toReturn.Add(originalString);

            return toReturn.ToArray();
        }
    }
}