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

package code15feb18;

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

/**
 *
 * @author jcmtiernan
 */
public class Code15Feb18 
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
       // Calculating values of coinage
        final int nickel = 5;
        final int dime = 10;
        final int penny = 1;
        final int quarter = 25;
        final int halfDollar = 50;
        final int dollar = 100;
        double couchMoney = 0.0;
        Scanner input = new Scanner(System.in);  
        Logger.getGlobal().setLevel(Level.OFF);// Use Level.OFF to turn off
        int pennies = 0;                        // Use Level.INFO to see output
        int nickels = 0;
        int dimes = 0;
        int quarters = 0;
        int halfDollars = 0;
        int dollars = 0;
        String moreCoins = "";
        double lunchCost = 0.0;
        String runAgain = "N";
        Logger.getGlobal().info("Example program with coins\n");
        boolean moreRuns = true;
        int coinAmount = 0;
        File coins = new File("coins.txt");
        Scanner inputFile;
        boolean fileFound = true;
        try
        {
            inputFile = new Scanner(coins);
        }
        catch (FileNotFoundException fnfe)
        {
            inputFile = new Scanner(System.in);
            fileFound = false;
        }
        
        while (moreRuns)
        {
            moreRuns = false;
            System.out.println("Let's find out how much money is inside the couch (or in your pocket, etc.)");
            
            if (!fileFound)
            {
                System.out.print("How many pennies do you have? ");
            }
            /*  moved this code to validateCoinAmount()
            try
            {
                coinAmount = input.nextInt();
            }
            catch (InputMismatchException ime)
            {
                input.nextLine();
                System.out.println("Your input was not valid.  "
                        + "Please enter an integer number of coins (pennies): ");
                coinAmount = input.nextInt();  // will crash if 2nd input is also bad
            }
            */
            pennies = validateCoinAmount("pennies",fileFound, inputFile);
            
            Logger.getGlobal().info("The user entered "+pennies+" pennies.\n");

            if (!fileFound)
                System.out.print("\nHow many nickels do you have? ");
            
            nickels = validateCoinAmount("nickels",fileFound, inputFile);
            
            Logger.getGlobal().info("The user entered "+nickels+" nickels.\n");

            if (!fileFound)
            {
                System.out.print("\nHow many dimes do you have? ");
                System.out.println("You did not have an input file.");
            }
            dimes  = validateCoinAmount("dimes",fileFound, inputFile);
            Logger.getGlobal().info("The user entered "+dimes+" dimes.\n");

            if (!fileFound)
                System.out.print("\nHow many quarters do you have? ");
            quarters  = validateCoinAmount("quarters",fileFound, inputFile);
            Logger.getGlobal().info("The user entered "+quarters+" quarters.\n");        

            System.out.print("\nDo you have any other coins? Enter Y or N ");
            moreCoins = input.next();
            if (moreCoins.equalsIgnoreCase("Y") )
            {
                // check on halfdollars and dollar coins
                if (!fileFound)
                    System.out.print("\nHow many halfDollars do you have? ");
                halfDollars  = validateCoinAmount("halfDollars",fileFound, inputFile);
                if (!fileFound)
                    System.out.print("\nHow many dollars do you have? ");
                dollars  = validateCoinAmount("dollars",fileFound, inputFile);    
            }
            // How do we calculate the amount of money in dollars?
            couchMoney = (nickel * nickels + penny * pennies + dime * dimes +
                    quarter * quarters + halfDollar * halfDollars +
                    dollar * dollars) / 100.0 ;
            //couchMoney = couchMoney/100;
            System.out.printf("\nYour total couch money is $%.2f.  TA DA!\n\n",couchMoney);
            //System.out.println("Your total couch money is "+couchMoney+".  TA DA!");

            System.out.println("Is this enough money to buy lunch? Y / N  ");
            String lunchMoney = input.next();
            // If user says yes, then print "Yay! Let's go eat!"
            if (lunchMoney.equalsIgnoreCase("Y"))
            {
                System.out.println("Yay! Let's go eat!");
            }
            else 
            // If the user says no, then ask the user if they have food at home for lunch.
            {
                System.out.println("Do you have food at home for lunch?  Y / N ");
                String homeFood = input.next();

            //     If user says yes, then print "OK, let's make lunch!"
                if (homeFood.equalsIgnoreCase("Y") || homeFood.equalsIgnoreCase("Yes"))
                {
                    System.out.println("OK, let's make lunch!");
                    //      let the user choose from a variety of lunch choices 
                    //      Version A: number the choices
                    //      Version B: name the choices
                    // [This section will use a switch]  
                    System.out.println("Here are the choices for lunch: "
                            +"\nA. Mashed potatoes"
                            +"\nB. Leftovers"
                            +"\nC. Chicken"
                            +"\nD. Hot dog"
                            +"\nE. Sandwich"
                            +"\nF. Pasta"
                            +"\nG. Rice and beans"
                            +"\nH. Spinach salad"
                            +"\nPlease enter the letter of your choice: ");
                    String choice = input.next();
                    Logger.getGlobal().info("Choice is "+choice);
                    //choice = choice.toUpperCase();
                    Logger.getGlobal().info("Choice.toUpper is "+choice);
                    String yourLunch = "fasting";
                    switch (choice)
                    {

                        case "a":
                        case "A": yourLunch = "Mashed potatoes"; break;
                        case "b":
                        case "B": yourLunch = "Leftovers"; break;
                        case "c":
                        case "C": yourLunch = "Chicken"; break;
                        case "d":
                        case "D": yourLunch = "Hot dog"; break;
                        case "e":
                        case "E": yourLunch = "Sandwich"; break;
                        case "f":
                        case "F": yourLunch = "Pasta"; break;
                        case "g":
                        case "G": yourLunch = "Rice and beans"; break;
                        case "h":
                        case "H": yourLunch = "Spinach salad"; break;
                        /*
                        case "Jan":
                        case "jan":
                        case "Jan.":
                        case "jan.":
                        case "january":
                        case "1":
                        case "January": System.out.println("January");
                        */
                       // default: yourLunch = "dust bunnies"; break;                        
                    }
                    System.out.println("Your lunch at home will be "+yourLunch);
                }
                else 
                {
            //     else, ask the user how much lunch will cost and  [ask lunch cost]
                    System.out.println("How much will lunch cost? ");
                    lunchCost = input.nextDouble();
            //           then calculate how much more money they need to find in 
            //           the chair cushions
                    lunchCost = lunchCost - couchMoney;
                    System.out.println("You need an additional $"+lunchCost+" for lunch.");
                    System.out.printf("Go find $%.2f in another piece of furniture\n",lunchCost);

            // [This section will show nested if-else examples]
                }
            }


            // Now we want to ask the user if they want run the whole program again
            // Set up control to allow program to run more than once.
            // [This will have us go back and put in a loop structure]
            boolean runMore; // = false;
            // while (runMore)
            do
            {
                runMore = false;    // needed for while loop and do-while loop

                System.out.println("\nWould you like to run the program again? Y / N");
                runAgain = input.next();
                if (runAgain.equalsIgnoreCase("Y") || runAgain.equalsIgnoreCase("Yes"))
                {
                    // handle while loop control
                    moreRuns = true;
                }
                else if (runAgain.equalsIgnoreCase("N") || runAgain.equalsIgnoreCase("No"))
                {
                    // do actions for this choice
                    moreRuns = false; 
                }
                else  // user did not enter requested values of input
                {
                    //System.out.println("Your input was not valid.  \"Science fiction\" is selected");
                    /** default choice if input not valid
                    System.out.println("Your input was not valid. \"No\" is selected");
                    moreRuns = false;
                    * */
                    System.out.println("Your input was not valid.");
                    runMore = true;
                }
            }
           while (runMore);
         // After this, check out Example1Feb18WhatCoins.java6
        }
        System.out.println("Thank you for running the CouchMoney program");        
    }
/*    
    public static int validateCoinAmount()
    {
        int coinAmount = 0;
        Scanner input = new Scanner(System.in);
        Logger.getGlobal().setLevel(Level.OFF);
        try
        {
            coinAmount = input.nextInt();
            Logger.getGlobal().info("In validateCoinAmount()");
        }
        catch (InputMismatchException ime)
        {
            input.nextLine();
            System.out.println("Your input produced : "+ime);
            System.out.println("Your input was not valid.  "
                    + "Please enter an integer number of coins: ");
            coinAmount = input.nextInt();  // will crash if 2nd input is also bad
        } 
        catch (Exception e)
        {
            System.out.println("You screwed up somehow : "+e);
            coinAmount = -1;
        }
        return coinAmount;
    }
*/  
    public static int validateCoinAmount(String whichCoin, 
            boolean fileFound, Scanner inputFile)
    {
        int coinAmount = 0;
        Scanner input = new Scanner(System.in);
        Logger.getGlobal().setLevel(Level.OFF);
        try
        {
            if (fileFound)
            {
                coinAmount = inputFile.nextInt();
            }
            else
            {
                coinAmount = input.nextInt();
            }
            Logger.getGlobal().info("In validateCoinAmount(String whichCoin)");
        }
        catch (InputMismatchException ime)
        {
            input.nextLine();
            //System.out.println("Your input produced : "+ime);
            System.out.println("Your input was not valid.  "
                    + "Please enter an integer number of "+whichCoin+": ");
            coinAmount = input.nextInt();  // will crash if 2nd input is also bad
        } 
        catch (Exception e)
        {
            System.out.println("You screwed up somehow : "+e);
            coinAmount = -1;
        }
        return coinAmount;
    }

}