import java.util.Stack;
import java.util.Queue;
import java.util.LinkedList;
import java.io.File;
import java.io.FileNotFoundException;
// This is to read files
import java.util.Scanner;

public class ADT {

	static	Queue<String> line = new LinkedList<String>();
	public static void main(String[] args) throws FileNotFoundException {

//		System.out.println(matcher("(45 + 36)-5"));
//		System.out.println(matcher("((a)"));
//		System.out.println(matcher("map{key[a(4)]}{b([v])}"));
//		System.out.println(matcher("({)}"));
//
//		Queue<String[]> scoop = new LinkedList<String[]>();
//		String[] flavor1 = {"mint", "chocolate"};
//
//		scoop.add(flavor1);
//
//		String[] flavor2 = {"strawberry", "vanilla"};
//		scoop.add(flavor2);
//
//		String[] flavor3 = {"choc. chip cookie dough"};
//		scoop.add(flavor3);
//
//		String[] flavor4 = {"mint", "lime", "lime"};
//		scoop.add(flavor4);
//
//		String[] flavor5 = {"orange", "green tea"};
//		scoop.add(flavor5);
//
//		order(scoop);

		System.out.print("\t\t\t\t\t\t"+"cookie\t\t"+"recipe\t\t"+"total");
		frequency("/Users/salikh/eclipse-workspace/adt/src/bettycrocker.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/biggerbolderbaking.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/cookiessf.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/marthastewart.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/mozilla.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/tasteofhome.txt", "cookie", "recipe");
		frequency("/Users/salikh/eclipse-workspace/adt/src/thebakingchocolatess.txt", "cookie", "recipe");

	}

	/**
	 * Uses stack to create regex like action to detect
	 * syntax errors with brackets
	 * @param brackets
	 * @return boolean parenthesis are closed properly or not
	 */
	public static boolean matcher(String brackets) {

		Stack<Character> stack  = new Stack<Character>();

		for(int i = 0; i < brackets.length(); i++) {
			char bracketchar = brackets.charAt(i);
			if(bracketchar == '[' || bracketchar == '(' || bracketchar == '{' ) {
				stack.push(bracketchar);
			} else if(bracketchar == ']') {
				if(stack.isEmpty() || stack.pop() != '[') {
					return false;
				}
			} else if(bracketchar == ')') {
				if(stack.isEmpty() || stack.pop() != '(') {
					return false;
				}
			} else if(bracketchar == '}') {
				if(stack.isEmpty() || stack.pop() != '{') {
					return false;
				}
			}

		}
		return stack.isEmpty();
	}



	/**
	 * Order method that adds new item to the queue
	 * @param orders
	 * @return
	 */
	public static String order(Queue<String[]> orders) {

		while(!orders.isEmpty()) {
			String[] current_order = orders.remove();

			if (current_order[0].equals("12* choc. chip cookie dough")) {
				System.out.print("cone: 12* choc. chip cookie dough");
				continue;
			}
			if (line.isEmpty()) {
				System.out.println("cone: " + String.join(",",current_order));
			} else {
				String temp = "";
				for (String i: line) {
					temp += i+",";
				}
				System.out.println("cone: "+temp+String.join(",",current_order));
			}
			line.clear();
			for (int i=0; i<current_order.length; i++) {
				if (current_order[i].equals("mint") ||current_order[i].equals("green tea") || current_order[i].equals("lime")){
					line.add(current_order[i]);
				}
				else if (current_order[i].equals("choc. chip cookie dough")) {
					String[] temp = {"12* choc. chip cookie dough"};
					orders.add(temp);
				}
			}
		}
		return "" ;
	}

	/**
	 * Returns the number of times the word are found
	 * @param file
	 * @param wordA
	 * @param wordB
	 * @return
	 * @throws FileNotFoundException
	 */
	public static int frequency(String file, String wordA, String wordB) throws FileNotFoundException {
		int word1 = 0;
		int word2 = 0;
		File file1 = new File(file);
		Scanner sc = new Scanner(file1);
		while (sc.hasNext()) {
			String nextToken = sc.next();
			if (nextToken.equalsIgnoreCase(wordA))
				word1++;
			if (nextToken.equals(wordB))
				word2++;
		}
		System.out.println();
		int total = word2 + word1;
		String[] filename = file.split("/");
		String name = filename[filename.length-1];
		String format = "%1$-50s%2$-15s%3$-15s%4$-15s\n";
		System.out.format(format, name, word1, word2, total);
		return total;
	}








}