// Tyler Rigsby, CSE 142
// Searches through the IMDb top 250 movies given a search phrase and
// displays the matches

import java.util.*;
import java.io.*;

public class Movies {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner console = new Scanner(System.in);
        Scanner input = new Scanner(new File("imdb.txt"));
        PrintStream output = new PrintStream(new File("results.txt"));
        
        giveIntro();
        
        System.out.print("Enter search phrase: ");
        String search = console.nextLine().toLowerCase();
        
        String result = find(input, search);
        int count = 0;
        if (result.length() > 0) {
            output.println("Rank\tRating\tTitle");
            while (result.length() > 0) {
                print(result, output);
                result = find(input, search);
                count++;
            }
        }
        System.out.println(count + " matches found.");
    }
    
    // Prints the film in the result String formatted with tabs
    // to the output PrintStream
    public static void print(String result, PrintStream output) {
        Scanner lineScan = new Scanner(result);
        int ranking = lineScan.nextInt();
        int votes = lineScan.nextInt();
        double rating = lineScan.nextDouble();
        String title = "";
        while (lineScan.hasNext()) {
            title = title + lineScan.next() + " ";
        }
        output.println(ranking + "\t" + rating + "\t" + title);
    }
    
    // Searches the input Scanner for lines containing the search
    // String, and returns the next occurrence, or the empty String
    // if none is found.
    public static String find(Scanner input, String search) {
        while (input.hasNextLine()) {
            String line = input.nextLine();
            if (line.toLowerCase().contains(search)) {
                return line;
            }
        }
        return "";
    }
    
    // introduces the program to the user
    public static void giveIntro() {
        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();
    }
}