using System;
using System.Collections.Generic;

namespace Project
{
	class MainClass
	{
		static List<string> wordList;
		static Random rnd;

		public static void Main (string[] args)
		{
			wordList = new List<string>();
			rnd = new Random ();

			bool playing = handleMenu ();
			while (playing)
				playing = handleMenu ();
		}

		private static void pause() {
			Console.Write("Tryck en knapp för att gå vidare");
			Console.ReadKey ();
		}

		private static void addWordToList() {
			Console.WriteLine ("Lägg till ord:");
			Console.Write ("> ");
			string word = Console.ReadLine ();
			word = word.ToLower ();

			if (wordList.Contains (word))
				Console.WriteLine ("Ordet är redan inlagt!");
			else if (word.Trim() == String.Empty)
				Console.WriteLine ("Ordet får inte vara tomt");
			else
				wordList.Add (word);

			pause ();
		}

		private static void printWordList() {
			wordList.Sort ();
			foreach (string word in wordList) {
				Console.WriteLine (word);
			}

			pause ();
		}

		private static void printHangMan(int stage) {
			string line;
			System.IO.StreamReader file =
				new System.IO.StreamReader(String.Format("{0}.txt", stage));
			while((line = file.ReadLine()) != null)
			{
				Console.WriteLine (line);
			}

			file.Close();
		}


		private static string generateHiddenWordLine(string hiddenWord, List<char> triedCharacters) {
			string result = "";
			foreach (char wordChar in hiddenWord) {
				if (triedCharacters.Contains(wordChar))
				    result += wordChar.ToString();
				else
				    result += "-";
			}

			return result;
		}

		private static void playGame() {
			/* Let user decide how many tries he should get */
			int amountOfGuesses = 0;
			try {
				Console.WriteLine("Ange antalet max gissningar:");
				Console.Write("> ");
				amountOfGuesses = Convert.ToInt32(Console.ReadLine ());

				if (!(amountOfGuesses >= 1 && amountOfGuesses <= 30)) {
					Console.WriteLine("Antalet gissningar måste vara mellan 1 och 30");
					pause();
					return;
				}
			} catch (Exception ex) {
				Console.WriteLine ("Du måste ange ett numeriskt tal");
				pause ();
				return;
			}

			/* Randomize a word to use */
			int r = rnd.Next (wordList.Count);
			string word = wordList [r];

			int currentTry = 1;
			int badTries = 0;
			/* Play until a correct word was guessed or tries depleted */
			bool playing = true;
			List<char> triedCharacters = new List<char> ();

			while (playing) {
				Console.Clear ();

				/* Print hangman based on percent of bad tries */
				double foo = (float)badTries / (float)amountOfGuesses;
				//if (badTries == (amountOfGuesses - 1))
				//    printHangMan (5);
				if (foo >= 0 && foo <= 0.25)
					printHangMan (1);
				else if (foo >= 0.26 && foo <= 0.5)
					printHangMan(2);
				else if (foo >= 0.51 && foo <= 0.75)
					printHangMan(3);
				else if (foo >= 0.76 && foo <= 0.99)
					printHangMan(4);
				else
					printHangMan(5);

				/* Print statistics */
				Console.Write(String.Format (
					"Felgissningar: {0}/{1}\n" +
					"Gissade bokstäver: ",
					badTries,
					amountOfGuesses
				));

				/* Collect list of used characters */
				foreach (char triedChar in triedCharacters)
					Console.Write (triedChar.ToString ());

				Console.Write ("\n"); // Insert line break

				Console.WriteLine ("Aktuellt ord: " + generateHiddenWordLine (word, triedCharacters));

				if (badTries == amountOfGuesses) {
					Console.WriteLine ("Du har förbrukat dina försök och förlorat spelet!");
					Console.WriteLine ("Ordet var:");
					Console.WriteLine (word);
					break;
				}

				Console.Write ("Gissa bokstav: ");
				string guessedChar = Console.ReadLine ();
				guessedChar = guessedChar.ToLower ();

				if (guessedChar.Length > 1) {
					if (guessedChar.Equals (word)) {
						Console.WriteLine ("DU VANN! GRATTIS");
						break;
					} else {
						badTries++;
					}
				} else if (guessedChar.Length == 1) {
					//if (triedCharacters.Contains (Char.Parse (guessedChar))) {
					if (word.Contains (guessedChar)) {
						triedCharacters.Add (Char.Parse (guessedChar));

						if (generateHiddenWordLine (word, triedCharacters) == word) {
							Console.WriteLine ("DU VANN! GRATTIS");
							break;
						}
					} else {
						triedCharacters.Add (Char.Parse (guessedChar));
						badTries++;
					}
				}

				//badTries++;
			}
			pause ();
		}

		private static bool handleMenu() {
			Console.Clear();
			Console.Write(String.Format(
				"Hänga hen!\nBy Fredrik Lorensson\n\n" +
				" 1) Lägg till ord\n" +
				" 2) Lista alla ord\n" +
				" 3) Spela\n" +
				" 4) Avsluta\n\n" +
				"Välj 1-4: "
			));

			int menuChoice = Convert.ToInt32(Char.GetNumericValue(Console.ReadKey ().KeyChar));
			Console.Write ("\n");
			switch (menuChoice) {
			case 1:
				addWordToList ();
				break;
			case 2:
				printWordList ();
				break;
			case 3:
				playGame ();
				break;
			case 4:
				return false;
			}

			return true;
		}
	}
}