//Initializes the program and acts as the UI (Every member on Team 10)
import java.util.Scanner;

public class Main {
    public static void main(String args[]) throws Exception {
        Scanner scan = new Scanner(System.in);
        ContactList clist = new ContactList(); // new ContactList object clist
        clist.init(); // initializes the program

        System.out.println("Welcome to Team 10's Contact List");
        int programRunning = 1;
        while (programRunning == 1) { // while the program is still running
            System.out.println("");
            System.out.println("");
            System.out.println("What do you wish to do?");
            System.out.println("1. Add a new Contact ");
            System.out.println("2. Print the Contact List");
            System.out
                    .println("3. Search for a Contact by Last Name, Email, or Zipcode");
            System.out.println("4. Delete a Contact");
            System.out.println("5. Quit and Save the new Contact");
            String choice = (String) scan.nextLine();
            int number = 0;

            //
            // parses the user input (string) into an int
            //
            try {
                number = Integer.parseInt(choice);
            }

            //
            // if the string cannot be parsed into an int, displays a message
            // saying so
            //
            catch (NumberFormatException nfe) {
                System.out.println("I don't know how to " + choice);
                continue;
            }
            switch (number) {
            case 1:
                clist.addContact();
                clist.writeLinesToFile("contacts.txt", false);
                clist.readContactsFromFile();
                break;
            case 2:
                clist.sortLastName();
                clist.printContactList();
                break;
            case 3:
                clist.search();
                break;
            case 4:
                clist.delete();
                clist.writeLinesToFile("contacts.txt", false);
                clist.readContactsFromFile();
                break;
            case 5:
                clist.writeLinesToFile("contacts.txt", false);
                System.out.println("See you soon. :)");
                programRunning = 0;
                break;
            default:
                System.out.println("I don't know how to " + number);
                break;
            }
        }
    }

}

// USE CASE 1: ENTER NEW CONTACT

// Reading in Contacts from File...
// EOF: Finished reading in Contacts
// Welcome to Team 10's Contact List
//
//
// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 1
// Please enter the Contact information.
// What is your First name? Sarah
// What is your Last name? (Required)
// What is your Last name? (Required)Port
// What is your Email? (xxxx@xxx.com)email
// What is your Email? (xxxx@xxx.com)website.com
// What is your Email? (xxxx@xxx.com)email@website
// What is your Email? (xxxx@xxx.com)email@website.com
// What is your Phone Number? (xxx-xxx-xxxx)1234567899
// What is your Phone Number? (xxx-xxx-xxxx)123-456-7899
// What is your street address?
// What city do you live in?
// What State do you live in?
// What is your Zip Code? 94040
// Any notes?
// Are you sure you want to enter the following information?
// Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:
// Y/N: y
// Entering new Contact:
// Writing Contacts to file...
// Reading in Contacts from File...
// EOF: Finished reading in Contacts

// USE CASE 2: PRINT ENTIRE CONTACT LIST SORTED BY LAST NAME

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 2
// Printing Contact List
// ===========================
// Name: joe atom
// Email:
// Phone:
// Address:
// Notes: no notes
// ===========================
// Name: Wilson Ng
// Email: hisemail@derp.com
// Phone:
// Address: 123 Sesame St.
// Mountain View Ca 94040
// Notes: nope
// ===========================
// Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View Ca 94040
// Notes: no notes
// ===========================
// Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View CA 94040
// Notes: Nothing to see here folks.
// ===========================
// Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:

// USE CASE 3: SEARCH BY LAST NAME

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 3
// Please type the last name, email, or zip code you are searching for: port
//
// 1: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View Ca 94040
// Notes: no notes
//
// 2: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View CA 94040
// Notes: Nothing to see here folks.
//
// 3: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:

// USE CASE 4: SEARCH BY EMAIL

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 3
// Please type the last name, email, or zip code you are searching for:
// email@website.com
//
// 1: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View Ca 94040
// Notes: no notes
//
// 2: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View CA 94040
// Notes: Nothing to see here folks.
//
// 3: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:

// USE CASE 5: SEARCH BY ZIP CODE

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 3
// Please type the last name, email, or zip code you are searching for: 94040
//
// 1: Name: Wilson Ng
// Email: hisemail@derp.com
// Phone:
// Address: 123 Sesame St.
// Mountain View Ca 94040
// Notes: nope
//
// 2: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View Ca 94040
// Notes: no notes
//
// 3: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View CA 94040
// Notes: Nothing to see here folks.
//
// 4: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:

// CONDITION FOR USE CASES 3-5: SEARCH NOT FOUND

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 3
// Please type the last name, email, or zip code you are searching for:
// nonexistant search term
// No matches found for: nonexistant search term

// USE CASE 6: DELETE A CONTACT

// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 4
// Please type the first and last name of the contact you would like to delete:
// First Name: sarah
// Last Name: port
//
// 1: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View Ca 94040
// Notes: no notes
// Are you sure you'd like to delete Sarah Port? Y/N
// n
// SarahPort was not deleted.
//
// 2: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address: 217 College St.
// Mountain View CA 94040
// Notes: Nothing to see here folks.
// Are you sure you'd like to delete Sarah Port? Y/N
// y
//
// 3: Name: Sarah Port
// Email: email@website.com
// Phone: 123-456-7899
// Address:
// 94040
// Notes:
// Are you sure you'd like to delete Sarah Port? Y/N
// y
// Writing Contacts to file...
// Reading in Contacts from File...
// EOF: Finished reading in Contacts
//
//
// What do you wish to do?
// 1. Add a new Contact
// 2. Print the Contact List
// 3. Search for a Contact by Last Name, Email, or Zipcode
// 4. Delete a Contact
// 5. Quit and Save the new Contact
// 5
// Writing Contacts to file...
// See you soon. :)





//CONTACTLIST

import java.io.EOFException;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Scanner;

//
//Controller class. Has all the verbs of the program, and defines the array of contacts. (everyone)
//
public class ContactList {

    private static final long serialVersionUID = 1L;
    static final String STORE_FILE = "contacts.txt";
    private static final int LIMIT = 100; // static because each instance doesn't have to have a different value.
    Contact[] list; // array that gets and stores all the contact objects
    private int listSpot = 0; // holds the next empty spot in the array

    //
    // This method sets the limit of the list with LIMIT values of type integer.
    //
    public ContactList() {
        list = new Contact[LIMIT];
    }

    //
    // This method adds a new contact object to the array list.
    //
    public void addContact() {
        if (listSpot <= LIMIT) {

            Contact newContact = new Contact(); // defines the array

            Scanner scanner = new Scanner(System.in);

            System.out.println("Please enter the Contact information.");

            String input = "";

            System.out.print("What is your First name? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setFirstName(input);

            while (null == newContact.getLastName() || newContact.getLastName().isEmpty()) {
                System.out.print("What is your Last name? (Required)");
                input = scanner.nextLine();
                newContact.setLastName(input);
            }

            boolean emailValid = false;
            String tempEmail = "";
            while (!emailValid) {
                System.out.print("What is your Email? (xxxx@xxx.com)");
                tempEmail = scanner.nextLine();
                emailValid = testEmail(tempEmail);
            }
            if (null != tempEmail)
                newContact.setEmail(tempEmail);

            boolean phoneValid = false;
            String tempPhone = "";
            while (!phoneValid) {
                System.out.print("What is your Phone Number? (xxx-xxx-xxxx)");
                tempPhone = scanner.nextLine();
                phoneValid = testPhone(tempPhone);
            }
            if (null != tempPhone)
                newContact.setPhone(tempPhone);

            System.out.print("What is your street address? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setStreet(input);

            System.out.print("What city do you live in? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setCity(input);

            System.out.print("What State do you live in? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setState(input);

            System.out.print("What is your Zip Code? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setZipCode(input);

            System.out.print("Any notes? ");
            input = scanner.nextLine();
            if (null != input)
                newContact.setNotes(input);

            System.out
                    .println("Are you sure you want to enter the following information?");
            newContact.printContact();
            String choice;
            System.out.print("Y/N: ");
            choice = scanner.nextLine();

            if (choice.equalsIgnoreCase("Y")) {
                System.out.println("Entering new Contact: ");

                // Enter Contact into ContactList only after fields have been validated (i.e. lastName is not Null, phone number format, email format)
                list[listSpot] = newContact;
                listSpot++;
            }
        }
    }

    //
    //tests the syntax of the tempEmail. If it is correct it returns true, if it is incorrect it returns false.
    //
    private boolean testEmail(String tempEmail) {
        // Test if email is in the form name@domain. Also check there is only one @ in the String.

        int firstAt = tempEmail.indexOf("@");
        int lastAt = tempEmail.lastIndexOf("@");
        int com = tempEmail.indexOf(".com");

        if (null == tempEmail || tempEmail.isEmpty()) {
            return true;
        } else if (firstAt > 0 && lastAt < tempEmail.length() - 1
                && firstAt == lastAt && com > 0) {
            return true;
        }
        return false;
    }

    //
    //tests the syntax of the tempPhone number. If it is correct it returns true, if it is incorrect it returns false.
    //
    private boolean testPhone(String tempPhone) {
        int firstDash = tempPhone.indexOf("-");
        int secondDash = tempPhone.lastIndexOf("-");
        int phoneLength = tempPhone.length();

        if (null == tempPhone || tempPhone.isEmpty()) {
            return true;
        } else if (firstDash == 3 && secondDash == 7 && phoneLength == 12) {
            return true;
        }
        return false;
    }

    //
    // This method prints ContactsList list.
    //
    public void printContactList() {

        System.out.println("Printing Contact List");
        for (int i = 0; i < listSpot; i++) {
            if (list[i] != null) { // print list[i] only if list[i] IS NOT(!=)
                // null
                System.out.println("===========================");
                list[i].printContact();
            }
        }
    }

    //
    // method deletes contacts
    //
    public void delete() {
        String searchFirst;
        String searchLast;
        System.out.println("Please type the first and last name of the contact you would like to delete: ");
        Scanner scan = new Scanner(System.in);
        System.out.print("First Name: ");
        searchFirst = scan.nextLine();
        System.out.print("Last Name: ");
        searchLast = scan.nextLine();

        int e = 0;

        int count = 0;

        while (e < listSpot) {
            if (searchFirst.equalsIgnoreCase(list[e].getFirstName())
                    && searchLast.equalsIgnoreCase(list[e].getLastName())) {

                System.out.print("\n" + ++count + ": ");
                list[e].printContact();
                System.out.println("Are you sure you'd like to delete "
                        + list[e].getFirstName() + " " + list[e].getLastName()
                        + "? Y/N");
                String delete;
                delete = scan.nextLine();

                if (delete.equalsIgnoreCase("y")) {
                    list[e] = null;
                } else {
                    System.out.println(list[e].getFirstName()
                            + list[e].getLastName() + " was not deleted.");
                }
            }
            e++;
        }
        if (count < 1) {
            System.out.println("No matches found for: " + searchFirst + searchLast);
        }
    }

    //
    // This method searches by Last Name, Email, or Zip Code. if found it prints the contact's information searched or prints "not found". (WNG)
    //
    public void search() {
        String search;
        System.out
                .print("Please type the last name, email, or zip code you are searching for: ");
        Scanner scan = new Scanner(System.in);
        search = scan.nextLine();

        int e = 0;

        int count = 0;

        while (e < listSpot) {
            if (search.equalsIgnoreCase(list[e].getLastName())
                    || search.equalsIgnoreCase(list[e].getEmail())
                    || search.equalsIgnoreCase(list[e].getZipCode())) {
                System.out.print("\n" + ++count + ": ");
                list[e].printContact();
            }
            e++;
        }
        if (count < 1) {
            System.out.println("No matches found for: " + search);
        }
    }

    //
    // This method sorts the array by Last names (WNG)
    //
    public void sortLastName() {
        int in;
        int out;
        for (out = 1; out < listSpot; out++) {
            Contact temp = list[out];
            in = out;

            while (in > 0 && list[in - 1].getLastName().toLowerCase().compareTo(temp.getLastName().toLowerCase()) > 0) {
                list[in] = list[in - 1]; // shift item to the right
                --in; // go left one position
            }
            list[in] = temp;
        }
    }

    //
    // This method writes and saves the information into a text file to disk.
    //
    public void writeLinesToFile(String filePath, boolean appendToFile) {
        FileOutputStream outFileStream;
        ObjectOutputStream outObjectStream;
        try {
            outFileStream = new FileOutputStream(filePath);
            outObjectStream = new ObjectOutputStream(outFileStream);
            for (int i = 0; i < listSpot; i++) {
                outObjectStream.writeObject(list[i]);
            }
            outObjectStream.flush();
            outObjectStream.close();
            outFileStream.close();
            System.err.println("Writing Contacts to file...");
        } catch (IOException ioe) {
            System.out.println("Error writing objects to the file: "
                    + ioe.getMessage());
            ioe.printStackTrace();
        }
    }

    //
    // This method reads the saved file into the array Contact[] list
    //
    public void readContactsFromFile() throws Exception {
        FileInputStream inFileStream = null;
        ObjectInputStream inObjectStream = null;

        System.err.println("Reading in Contacts from File...");

        try {
            inFileStream = new FileInputStream("contacts.txt");
            inObjectStream = new ObjectInputStream(inFileStream);

            // Reset listSpot to read in Contacts
            listSpot = 0;

            // Read in each Contact from the store file and assign to list
            // Contact[].
            // Assign current read Contact position to listSpot.
            boolean keepGoing = true;

            while (keepGoing) {

                Contact readContact = (Contact) inObjectStream.readObject();
                if (null == readContact) {

                } else {

                    list[listSpot] = readContact;
                    listSpot++;
                }
            }

        } catch (EOFException eof) {
            System.err.println("EOF: Finished reading in Contacts");

        } catch (IOException ioe) {
            System.err.println("Error reading from the file: "
                    + ioe.getMessage());
        } catch (ClassNotFoundException cnfe) {
            System.err.println("Error in casting to Object: " + cnfe);

        } finally {
            if (inFileStream != null)
                inFileStream.close();
            if (inObjectStream != null)
                inObjectStream.close();
        }

    }

    //
    //initiates the program.
    //
    public void init() {
        try {
            readContactsFromFile();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
}





//CONTACT

//Creates contacts's information with first name, last name, phone number, email, and home address. (everyone)
import java.io.Serializable;

//
//model class
//
public class Contact implements Serializable {

    private static final long serialVersionUID = 1L;
    private String firstName;
    private String lastName;
    private String email;
    private String phone;
    private String street;
    private String city;
    private String state;
    private String zipCode;
    private String notes;

    //
    //the following set methods sets the local variables for the current instance in the array.
    //

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public void setStreet(String street) {
        this.street = street;
    }

    public void setCity(String city) {
        this.city = city;
    }

    public void setState(String state) {
        this.state = state;
    }

    public void setZipCode(String zipCode) {
        this.zipCode = zipCode;
    }

    public void setNotes(String notes) {
        this.notes = notes;
    }

    public String getFirstName() {
        return firstName;
    }

    //
    //the following get methods return the local variables for use outside of this class.
    //
    public String getLastName() {
        return lastName;
    }

    // This method gets the values for email
    public String getEmail() {
        return email;
    }

    // This method gets the values for phone
    public String getPhone() {
        return phone;
    }

    // This method gets the values for street
    public String getStreet() {
        return street;
    }

    // This method gets the values for city
    public String getCity() {
        return city;
    }

    // This method gets the values for state
    public String getState() {
        return state;
    }

    // This method gets the values for zipCode
    public String getZipCode() {
        return zipCode;
    }

    // This method gets the values for notes
    public String getNotes() {
        return notes;
    }

    // This method prints the all the Contact's information
    public void printContact() {
        System.out.println("Name: " + firstName + " " + lastName);
        System.out.println("Email: " + email);
        System.out.println("Phone: " + phone);
        if (street.length() == 0 && city.length() == 0 && state.length() == 0
                && zipCode.length() == 0) { // If all address information is missing, the punctuation will not be printed.
            System.out.println("Address:");
        } else {
            System.out.println("Address: " + street + "\n" + "        " + city
                    + " " + state + " " + zipCode);
        }
        System.out.println("Notes: " + notes);
    }
}