// Helene Martin, CSE 142
// Displays IMDB's Top 250 movies that match a search string.

// goal: demonstrate a good program structure to solve this problem.

// input:
// 1 9.1 243153 The Godfather (1972)
//
// output:
// Search word? part 
// Rank    Votes   Rating  Title
// 2       139085  9.0     The Godfather: Part II (1974)
// 40      129172  8.5     The Departed (2006)
// 95      20401   8.2     The Apartment (1960)
// 192     30587   8.0     Spartacus (1960)
import java.io.*;
import java.util.*;

public class IMDBSearcher {
	public static void main(String[] args) throws FileNotFoundException {
		System.out.println("This program will allow you to search the");
		System.out.println("imdb top 250 movies for a particular phrase.");
		System.out.println();
		
		Scanner console = new Scanner(System.in);
		System.out.print("Search phrase: ");
		String search = console.nextLine().toLowerCase();
		
		Scanner input = new Scanner(new File("imdb.txt"));
		
		/* pseudocode helped us find the right methods to write
		search for the phrase
		if there's at least one result
			print heading
			get all the next results (while loop) and print them
		*/
		String line = findMovie(input, search);
		if (line.length() > 0) {
			System.out.println("Rank\tRating\tTitle");
			while (line.length() > 0) {
				displayMovieInfo(line);
				// find next one
				line = findMovie(input, search);
			}
		}
	}
	
	// Finds and returns then next line matching the search phrase
	public static String findMovie(Scanner input, String search) {
		while (input.hasNextLine()) {
			String line = input.nextLine();
			if (line.toLowerCase().contains(search)) {
				return line;
			}
		}
		return "";	
	}
	
	// Displays tab-separated information about a movie
	// 1 9.1 243153 The Godfather (1972)
	public static void displayMovieInfo(String line) {
		Scanner lineScan = new Scanner(line);
		int rank = lineScan.nextInt();
		double rating = lineScan.nextDouble();
		lineScan.nextInt();
		
		String title = "";	// cumulative sums are for Strings, too
		while (lineScan.hasNext()) {
			title = title + lineScan.next() + " ";
		}
		System.out.println(rank + "\t" + rating + "\t" + title);
	}
}