/*
 *   Intro to Programming CSE 1310
 * University of Texas at Arlington
 */

package code8mar18delim;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;

/**
 *
 * @author jcmtiernan
 */
public class Code8Mar18Delim 
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        // methods
        // try-catch exception handling
        // control statements
        // file input
        
        //File pref = new File("src/code6mar18/mediapref.txt");
        File pref = new File("mediaprefdelim.txt");
        //Scanner input = new Scanner(System.in);
        Scanner input;
        Scanner inputLine;
        Logger.getGlobal().setLevel(Level.OFF);// Use Level.OFF to turn off ; .INFO to turn on       
        int choice;
        String mobOrStat;
        boolean moveForward = false;
        char iOrO = ' ';
        String reason;
        String tempLine;
        String finalMedia;
        boolean fileFound = true;
        try
        {
            input = new Scanner(pref);
        }
        catch (FileNotFoundException fnfe)
        {
            input = new Scanner(System.in);
            System.out.println("File not found - please correct file input");
            fileFound = false;
        }
        
        System.out.println("Hi!  What kind of entertainment media do you prefer? ");
        if (fileFound)
            System.out.println("We'll read the file and find out.");
        
        while (fileFound && input.hasNext())
        {
            
        do
        {
            System.out.println("\n\nSelecting mobile or stationary based on the file input.");
            //System.out.println("M - mobile or S - stationary ");
            mobOrStat = input.next();   // reads a "word"
            //input.nextLine();           // reads end of line marker out of input buffer
            Logger.getGlobal().info("File value *"+mobOrStat+"*");
            // Validate the user's input to insure that only one of the 
            // following values are entered:
            // M, m, mobile or
            // S, s, stationary
            
            if (mobOrStat.equalsIgnoreCase("m") || 
                mobOrStat.equalsIgnoreCase("mobile") ||
                mobOrStat.equalsIgnoreCase("s") || 
                mobOrStat.equalsIgnoreCase("stationary") )
            {
                moveForward = true;
            }
            else
            {
                System.out.println("THe file input was not recognized.");
                System.out.println("Please enter a valid input.");
            }
        }
        while (!moveForward);  // !moveForward is the same as moveForward == false
                // alternate selection
        mobOrStat = mobOrStat.toUpperCase();
        switch (mobOrStat)        
        {
            case "S":
            case "STATIONARY": mobOrStat = "STATIONARY"; break;
            case "M":
            case "MOBILE": mobOrStat = "MOBILE"; break;
            
        }
        System.out.println("The file contained "+mobOrStat+" as your first entertainment preference\n");
        
        String inOrOut = "";
        if (mobOrStat.equalsIgnoreCase("STATIONARY"))
        {   // query user for home (TV, desktop computer) or not (movie theater, live theatre, RPG)
            System.out.println("Checking to see if the entertainment media is in your home or outside your home.");
            //System.out.println("Respond with I (inside) or O (outside): ");
            inOrOut = input.next();
            Logger.getGlobal().info("User entered *"+inOrOut+"*");
            iOrO = inOrOut.charAt(0);
            Logger.getGlobal().info("First letter of user input is *"+iOrO+"*");
            if ((iOrO == 'I') || (iOrO == 'i'))
            {
                inOrOut = "INSIDE";
            }
            else if ((iOrO == 'O') || (iOrO == 'o'))
            {
                inOrOut = "OUTSIDE";
            }
            else // user entered invalid input
            {  // could have set up a do-while loop like above but didn't
                System.out.println("The file contained an invalid input.");
                System.out.println("The system assumes you are a mushroom and your media in INSIDE.");
                inOrOut = "INSIDE";
            }
            System.out.println("The file indicated "+inOrOut+" as your next entertainment preference\n");
            // Read reason for preference.
            // Reason is delimited by a bang
            tempLine = input.nextLine();
            inputLine = new Scanner(tempLine);
            //System.out.println("DEBUG: tempLine is *"+tempLine+"*");
            inputLine.useDelimiter(Pattern.compile("!"));
            //System.out.println("DEBUG: The delimiter used is "+inputLine.delimiter());
            reason = inputLine.next();
            System.out.println("The file lists your reason as \""+reason+"!\"");
            inputLine.reset();
            String period = inputLine.next();

            
            
            // Given INSIDE or OUTSIDE
            // find user's preferred type of media
            // INSIDE choices are: Desktop computer, TV, Gaming system, VR
            // OUTSIDE choices are: Movie theater, Theatre, RPG, ComicCon
            // Making a method to 
            // show choices
            if (inOrOut.equals("INSIDE"))
            {
                finalMedia = chooseMedia("Desktop computer", "TV",
                "Gaming system", "VR", inputLine);
            }
            else
             {
                finalMedia = chooseMedia("Movie theater", "Theatre",
            "ComicCon", "RPG", inputLine);
            }               
                                   
        }
        else // must be MOBILE
        {   
            // Read reason for preference.
            // Reason is delimited by a bang
            tempLine = input.nextLine();
            inputLine = new Scanner(tempLine);
            //System.out.println("DEBUG: tempLine is *"+tempLine+"*");
            inputLine.useDelimiter(Pattern.compile("!"));
            //System.out.println("DEBUG: The delimiter used is "+inputLine.delimiter());
            reason = inputLine.next();
            System.out.println("The file lists your reason as \""+reason+"!\"");
            inputLine.reset();
            String period = inputLine.next();
                      
            
           // query user for phone, laptop, VR system, ...)
            finalMedia = chooseMedia("Laptop computer", "Tablet/iPad",
                "Phone", "Walkman", inputLine);            
        }
        //System.out.println("Final choice is "+finalMedia);
        System.out.println("The file indicated "+finalMedia+" as your final entertainment preference\n");

        System.out.println("\nYour media preference:");
        System.out.printf("%15s%30s","Mobile?",mobOrStat);
        if (!inOrOut.equals("")) System.out.println("");
        System.out.printf("%15s%30s",
                (inOrOut.equals("")?"":"Inside?"),
                (inOrOut.equals("")?"":inOrOut)); 
        System.out.printf("\n%15s%30s\n","Choice",finalMedia);
        System.out.printf("%15s%30s\n","Reason?",reason);
        
        }  // end of while (moreInput)

        
    }
    public static String chooseMedia(String firstChoice, String secondChoice,
            String thirdChoice, String fourthChoice, Scanner input)
    {
        /*
        System.out.println("Please select your favorite media from this list:");
        System.out.println("1. "+firstChoice); // firstChoice is string
        System.out.println("2. "+secondChoice);
        System.out.println(   thirdChoice.equals("")?"":"3. "+thirdChoice    );
        System.out.println(   fourthChoice.equals("")?"":"4. "+fourthChoice  );
        //System.out.println();
        System.out.println("Enter the number of your choice: ");
        */
        int intChoice;
        try
        {
            intChoice = input.nextInt();
        }
        catch (InputMismatchException ime)
        {
            intChoice = 1;
            if (input.hasNext())
                input.nextLine();  // to clear out the bad data
            System.out.println("Your file input was invalid.  Default 1 is chosen.");
        }
        catch (NoSuchElementException nse)
        {
            intChoice = 1;
            if (input.hasNext())
                input.nextLine();  // to clear out the bad data
            System.out.println("Your file input was invalid.  Default 1 is chosen.");
        }
        
        String finalChoice;
        switch (intChoice)
        {
            case 1: finalChoice = firstChoice; break;
            case 2: finalChoice = secondChoice; break;
            case 3: finalChoice = thirdChoice; break;
            case 4: finalChoice = fourthChoice; break;
            default: finalChoice = "kazoo"; break;
        }
        return finalChoice;
    }

}