OwingsSodNotZod[UserAccounts]

//AUTHOR: [Richard Owings Jr.]
//COURSE: CPT187
//PURPOSE: [Provides the place to where usernames and passwords can be stored. Allows the user to create a login and 
//PURPOSE: password for a user account, and will notify them if there is already a user account created.]
//STARTDATE: [12/03/2020]

package edu.cpt187.owings.exercise6;
import java.io.PrintWriter;
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;


public class UserAccounts 
{	//START of UserAccounts Class
	//Declaration & Initialization of CONSTANTS and Variables for UserAccounts Class
	private final int NOT_FOUND 		= -1;							//Fixed constant for NOT_FOUND
	private final int RESET_VALUE		= 0;							//Fixed constant for RESET_VALUE
	private final int MAXIMUM_RECORDS	= 50;							//Fixed constant for MAXIMUM_RECORDS
	private String[] userNames			= new String[MAXIMUM_RECORDS];	//String array for userNames set to maximum records
	private String[] passwords			= new String[MAXIMUM_RECORDS];	//String array for passwords set to maximum records
	private String masterFileName		= "";							//String variable for masterFileName
	private int recordCount				= 0;							//Integer variable for recordCount
	private int searchedIndex			= 0;							//Integer variable for searchedIndex

	//Declaration of UserAccounts
	public UserAccounts(String borrowedFileName)
	{	//START of UserAccounts
		//assigns UserAccounts to borrowedFileName
		masterFileName = borrowedFileName;
	}	//END of UserAccounts

	//set method
	//this method will assign a new value to setUserAccountArrays
	public void setUserAccountArrays()
	{	//START of setUserAccountArrays
		//TRY/CATCH STRUCTURE for setUserAccountArrays

		try
		{	//START of try
			//reset record count
			recordCount = RESET_VALUE;

			//this instantiation statement will attempt to open the file
			Scanner infile = new Scanner (new FileInputStream(masterFileName));

			//while loop to look for the next element in the array
			while(infile.hasNext() == true && recordCount < MAXIMUM_RECORDS)
			{	//START of while loop for field assignment
				//assigns next String field to userNames array element
				userNames[recordCount] = infile.next();

				//assigns next String field to itemNames array element
				passwords[recordCount] = infile.next();

				//increment the recordCount
				recordCount++;
			}	//END of while loop for field assignment
			//Close the Scanner/File
			infile.close();

		}//END of try

		catch(IOException ex)
		{	//START of catch
			//if the file is not found or opened, catch is executed and will see the flag to "not found"
			recordCount = NOT_FOUND;
		}	//END of catch

	}	//END of setUserAccountArrays

	//set method
	//this method will assign a new value to searchIndex
	public void setSearchedIndex(String borrowedUserName)
	{	//START of setSearchedIndex
		//assigns getSeqSearch(borrowedUsername) to searchedIndex
		searchedIndex = getSeqSearch(borrowedUserName);
	}	//END of setSearchedIndex

	//set method
	//this overloaded method will assign a new value to searchedIndex
	public void setSearchedIndex(String borrowedUserName, String borrowedPassword)
	{	//START of overloaded method of setSearchedIndex
		//assigns getSeqSearch(borrowedUsername) to searchedIndex
		searchedIndex = getSeqSearch(borrowedUserName);

		//IF conditional statement for searchedIndex & borrowedPassword
		if(searchedIndex >= RESET_VALUE && getPasswordMatch(borrowedPassword) == false)
		{	//START of if statement for searchedIndex & borrowedPassword
			//assigns NOT_FOUND to searchedIndex
			searchedIndex = NOT_FOUND;
		}	//END of if statement for searchedIndex & borrowedPassword

	}	//END of setSearchedIndex

	public void setWriteOneRecord(String borrowedUserName, String borrowedPassword)
	{	//START of setWriteOneRecord
		//TRY/CATCH STRUCTURE for setWriteOneRecord

		try
		{	//START of try
			//this instantiation statement will attempt to open the file
			PrintWriter filePW = new PrintWriter (new FileWriter(masterFileName, true));

			//this printf statement writes the borrowed values to the file, separated by tabs
			filePW.printf("%n%1s\t%1s", borrowedUserName, borrowedPassword);

			//increment recordCount
			recordCount++;

			//Close the PrintWrite/File
			filePW.close();
		}	//END of TRY

		catch(IOException ex)
		{	//START of CATCH
			//set recordCount to "not found"
			recordCount = NOT_FOUND;
		}	//END OF CATCH

	}	//END of setWriteOneRecord

	//get method
	//this method will return getSeqSearch
	public int getSeqSearch(String borrowedBorrowedUserName)
	{//START of getSeqSearch
		//Declare & Initialize localIndex & localFound
		int localIndex	= 0;
		int localFound	= NOT_FOUND;

		//while loop for localIndex < recordCount
		while (localIndex < recordCount) 
		{	//START of while loop for localIndex < recordCount
			//if conditional statement
			if(borrowedBorrowedUserName.equalsIgnoreCase(userNames[localIndex]))
			{	//START of if statement for borrowedBorrowedSubject
				//assigns localFound to localIndex
				localFound = localIndex;

				//assigns localIndex to recordCount
				localIndex = recordCount;

			}
			else
			{
				//increments localIndex
				localIndex++;
			}//END of if statement for borrowedBorrowedUserName

		}//END of while loop for localIndex < recordCount
		//		
		//		//increment recordCount
		//		recordCount++;

		//returns localFound
		return localFound;
	}//END of getSeqSearch

	//get method
	//this method will return getPasswordMatch
	public boolean getPasswordMatch(String borrowedBorrowedPassword)
	{	//START of getPasswordMatch
		//returns the value the password if it matches whats stored
		return borrowedBorrowedPassword.equals(passwords[searchedIndex]);
	}	//END of getPasswordMatch

	//get method
	//this method will return getFileName
	public String getFileName()
	{	//START of getFileName
		//returns file name
		return masterFileName;
	}	//END of getFileName

	//get method
	//this method returns the max records
	public int getMaximumRecords()
	{	//START of getMaxRecords
		//returns maxRecords
		return MAXIMUM_RECORDS;
	}//END of getMaxRecords

	//get method
	//this method returns the record count
	public int getRecordCount()
	{	//START of getRecordCount
		//return recordCount
		return recordCount;
	}//END of getRecordCount

	//get method
	//this method returns the searched index
	public int getSearchedIndex()
	{	//START of getSearchedIndex
		//returns SearchedIndex
		return searchedIndex;
	}//END of getSearchedIndex

}	//END of UserAccounts Class