//Student Version
//Name: Selynna Sun
//Period: 4

public class Hangman {


	public static void main(String[] args) {
		System.out.println("Welcome to Hangman!");
		System.out.println("Once you guess incorrectly 10 times, you die.");
		String secretWord = WordFinder.getWordFromDictionary();
		System.out.println(secretWord);    //uncomment this line to see the secret word while playing
		String wordWithBlanks = convertWordToBlanks(secretWord);
		int numIncorrectGuesses = 0;
		System.out.println(wordWithBlanks);
		System.out.print("Please guess a character: ");
		char input = TextIO.getlnChar();
		if (secretWord.contains("" + input)) {
			wordWithBlanks = replaceBlanksWithChar(wordWithBlanks, secretWord, input);
		}
		else {
			System.out.println("The secret word does not contain " + input);
			numIncorrectGuesses++;
			System.out.println("You have made " + numIncorrectGuesses + " incorrect guesses.");
		}


		 if (countNumberOfBlanks(wordWithBlanks) == 0) {
			System.out.println("You win!");
			System.out.println("The secret word was " + secretWord);
		}
		else if (numIncorrectGuesses >= 10) {
			System.out.println("You lose!");
			System.out.println("The secret word was " + secretWord);
		}

		 System.out.println("Would you like to play again?");
		 String inp = null;
		 if (inp.equals("y")) {
			 secretWord = WordFinder.getWordFromDictionary();
				System.out.println(secretWord);    //uncomment this line to see the secret word while playing
				wordWithBlanks = convertWordToBlanks(secretWord);
				numIncorrectGuesses = 0;
				System.out.println(wordWithBlanks);
				System.out.print("Please guess a character: ");
				input = TextIO.getlnChar();
				}
				else {
					System.out.println("Thanks for playing!");
				}

		 }


	/**
	 * Example: convertWordToBlanks("dollop") returns "______"
	 * Example: convertWordToBlanks("") returns ""
	 * Example: convertWordToBlanks("The red hat") returns "___________"
	 * Example: convertWordToBlanks("r__ei__") returns "_______"
	 */
	public static String convertWordToBlanks(String word) {
		String blank = "_";
		int rep = 0;
		if (word.length() == 0) {
			return "_";
		}
		else {
			while (word.length() > 1) {
				blank = blank + blank;
				rep++;

		}
		return blank;
		}
		}

	/**
	 * Example: countNumberOfBlanks("__b_l_") returns 4
	 * Example: countNumberOfBlanks("") returns 0
	 * Example: countNumberOfBlanks("hello") returns 0
	 * Example: countNumberOfBlanks("t_e_a_y") returns 3 */

	public static int countNumberOfBlanks(String word) {
		int counter = 0;
		while (word.length() > 0) {
			int substring;
			for (substring = 0; substring< word.length(); substring++)
			word.substring(substring, substring + 1);
			if (word.substring(substring, substring + 1).equals("_"));
			counter++;

		}
		return counter;
	}


	/** Example: replaceBlanksWithChar("__b_l_", "subtle", 't') returns "__btl_"
	  * Example: replaceBlanksWithChar("su__er", "supper", 'p') returns "supper"
	  * Example: replaceBlanksWithChar("__i____", "trident", 's') returns "__i____"
	  * Example: replaceBlanksWithChar("_______", "hepatitis", 'i') returns "_____i_is"
	  */
	public static String replaceBlanksWithChar(String wordWithBlanks, String secretWord, char ch) {
		ch = TextIO.getChar();
		int substring;
		for (substring = 0; substring< secretWord.length();substring++)
			secretWord.substring(substring,substring+1);
		if (secretWord.substring(substring,substring+1).equals(ch)) {
			return wordWithBlanks + ch;
		}
		return replaceBlanksWithChar(wordWithBlanks, secretWord.substring(0,1), ch);//fix
	}

}