package lab4;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class University {

	private Scanner input = new Scanner(System.in);
	private Student stdnt = new Student();
	private FacultyMember fclty = new FacultyMember();
	private List<Student> stdntList = new ArrayList<Student>();
	private List<FacultyMember> fcltyList = new ArrayList<FacultyMember>();
	private List<Course> crsList = new ArrayList<Course>();
	
	public void menu(){
		
		System.out.println("\nType in the number next to the action you want to choose:"
				+ "\n1. Show and edit the student list"
				+ "\n2. Show and edit the faculty list"
				+ "\n3. Show and add to a list of the available courses"
				+ "\nType any other number to quit.");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again:");
		}
		int choice = input.nextInt();
		
		if(choice == 1){
			showStudents();
		}
		
		else if(choice == 2){
			showFaculty();
		}
		
		else if(choice == 3){
			showCourses();
		}
		
		else {
			System.out.println("\nYou just quit the program.");
			System.exit(1);
		}
		
	}
	
	public void addStudent(){
		
		Student adstdnt = new Student();
		Address adaddrss = new Address();
		System.out.println("\nType in the name of the new student: ");
		String addStudent = input.next();
		System.out.println("\nType in " + addStudent + "'s CIN#: ");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again:");
		}
		int CIN = input.nextInt();
		
		System.out.println("\nType in " + addStudent + "'s address number: ");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again:");
		}
		int adrssNum = input.nextInt();
		
		System.out.println("\nType in " + addStudent + "'s street name: ");
		String strtNam = input.next();
		
		System.out.println("\nType in " + addStudent + "'s city: ");
		String ctyNam = input.next();
		
		System.out.println("\nType in " + addStudent + "'s state//province: ");
		String stPrNam = input.next();
		
		System.out.println("\nType in " + addStudent + "'s country: ");
		String cntNam = input.next();
		
		adstdnt.setName(addStudent);
		adstdnt.setCIN(CIN);
		adaddrss.setStreetNumber(adrssNum);
		adaddrss.setStreetName(strtNam);
		adaddrss.setCity(ctyNam);
		adaddrss.setStateProvince(stPrNam);
		adaddrss.setCountry(cntNam);
		adstdnt.setAddress(adaddrss);
		stdntList.add(adstdnt);
		
		System.out.println("\nYou just added " + adstdnt);
		
		showStudents();
		
	}
	
	public void addFaculty(){
		
		FacultyMember adfclty = new FacultyMember();
		Address adaddrss = new Address();
		System.out.println("\nType in the name of the new faculty member: ");
		String member = input.next();
		System.out.println("\nType in " + member + "'s employee ID: ");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again:");
		}
		int ID = input.nextInt();
		
		System.out.println("\nType in " + member + "'s address number: ");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again:");
		}
		int adrssNum = input.nextInt();
		
		System.out.println("\nType in " + member + "'s street name: ");
		String strtNam = input.next();
		
		System.out.println("\nType in " + member + "'s city: ");
		String ctyNam = input.next();
		
		System.out.println("\nType in " + member + "'s state//province: ");
		String stPrNam = input.next();
		
		System.out.println("\nType in " + member + "'s country: ");
		String cntNam = input.next();
		
		adfclty.setName(member);
		adfclty.setID(ID);
		adaddrss.setStreetNumber(adrssNum);
		adaddrss.setStreetName(strtNam);
		adaddrss.setCity(ctyNam);
		adaddrss.setStateProvince(stPrNam);
		adaddrss.setCountry(cntNam);
		adfclty.setAddress(adaddrss);
		fcltyList.add(adfclty);
		
		System.out.println("\nYou just added " + adfclty);
		
		showFaculty();
		
	}
	
	public void addCourse(){
		
		Course adcrs = new Course();
		System.out.println("\nType in the name of the new course's identifier: ");
		String identifier = input.next();
		System.out.println("\nType in the new course's unit amount: ");
		while (!input.hasNextInt()) {// checks if input is valid for an
			// "int" value
			input.nextLine();// throws away bad input
			System.out.println("\nThat isn't a valid number, please enter again: ");
		}
		int units = input.nextInt();
		
		adcrs.setIdentifier(identifier);
		adcrs.setUnits(units);
		crsList.add(adcrs);
		
		System.out.println("\nYou just added " + adcrs);
		
		showCourses();
	}
	
	public void addStudentCourse(String adStdCrs){
		
		Course adstdntcrs = new Course();
		
		System.out.println("\nType in the identifier of the following courses you would like to add to "
				+ adStdCrs + "'s curriculum,\n"
				+ "or type anything but an identifier to return to the list of students:\n"
				+ crsList);
		String addedCourse = input.next();
		
		int valueIndex = -1;
		
		for (int a = 0; a <= crsList.size()-1; a++) {
			
			if(crsList.get(a).getIdentifier().contains(addedCourse)){//checks for the attack you want to delete
				
				valueIndex = a;
				
			}
			
		}
		
		if(valueIndex == -1){//to make sure you don't crash the program by entering an attack that doesn't exist
			showStudentCourses();
		}
		
		else{
			
			adstdntcrs.setIdentifier(crsList.get(valueIndex).getIdentifier());
			adstdntcrs.setUnits(crsList.get(valueIndex).getUnits());
			adstdntcrs.setPerson(adStdCrs);
			stdnt.addCourse(adstdntcrs);
			
			System.out.println("\nYou just added " + adstdntcrs);
			
			showStudentCourses();
			
		}
		
		showStudentCourses();
		
	}
	
	public void addFacultyCourse(String adFtyCrs){
		
		Course adfcltycrs = new Course();
		
		System.out.println("\nType in the identifier of the following courses you would like to add to "
				+ adFtyCrs + "'s teaching schedule,\n"
				+ "or type anything but an identifier to return to the list of faculty:\n"
				+ crsList);
		String addedCourse = input.next();
		
		int valueIndex = -1;
		
		for (int a = 0; a <= crsList.size()-1; a++) {
			if(crsList.get(a).getIdentifier().contains(addedCourse)){//checks for the attack you want to delete
				valueIndex = a;
			}
		}
		
		if(valueIndex == -1){//to make sure you don't crash the program by entering an attack that doesn't exist
			showFacultyCourses();
		}
		
		else{
			
			adfcltycrs.setIdentifier(crsList.get(valueIndex).getIdentifier());
			adfcltycrs.setUnits(crsList.get(valueIndex).getUnits());
			adfcltycrs.setPerson(adFtyCrs);
			fclty.addCourse(adfcltycrs);
			
			System.out.println("\nYou just added " + adfcltycrs);
			
			showFacultyCourses();
			
		}
		
		showFacultyCourses();
		
	}
	
	public void showStudents(){
		
		int choices;
		
		if (stdntList.size() == 0){
			System.out.println("\nThere are currently no students. Would you like to add some?:" +
			"\n1. Yes" +
			"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if(choices == 1){
				addStudent();
			}
			
			else{
				menu();
			}
			
		}
		
		else{
			
			System.out.println("\nCurrent list of students: \n" + stdntList +
					"\nWhat would you like to do with this list?" +
					"\n1. Add a student" +
					"\n2. Drop a student" +
					"\n3. Show and edit the student's course curriculum" +
					"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if (choices == 1){
				addStudent();
			}
			
			else if (choices == 2){
				dropStudent();
			}
			
			else if (choices == 3){
				
				showStudentCourses();
			}
			
			else{
				menu();
			}
			
		}
	}
	
	public void showFaculty(){
		
		int choices;
		
		if (fcltyList.size() == 0){
			System.out.println("\nThere are currently no faculty members. Would you like to add some?:" +
			"\n1. Yes" +
			"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if(choices == 1){
				addFaculty();
			}
			
			else{
				menu();
			}
			
		}
		
		else{
			
			System.out.println("\nCurrent list of faculty: " + fcltyList +
					"\nWhat would you like to do with this list?" +
					"\n1. Add a faculty member" +
					"\n2. Drop a faculty member" +
					"\n3. Show and edit the faculty member's teaching schedule" +
					"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if (choices == 1){
				addFaculty();
			}
			
			else if (choices == 2){
				dropFaculty();
			}
			
			else if (choices == 3){
				
				showFacultyCourses();
			}
			
			else{
				menu();
			}
			
		}
	}
	
	public void showCourses(){
		
		int choices;
		
		if (crsList.size() == 0){
			System.out.println("\nThere are currently no available courses. Would you like to add some?:" +
			"\n1. Yes" +
			"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if(choices == 1){
				addCourse();
			}
			
			else{
				menu();
			}
			
		}
		
		else{
			
			System.out.println("\nCurrent list of Courses: " + crsList +
					"\nWould you like to add a course?" +
					"\n1. Yes" +
					"\nType any other number to return to the menu");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			choices = input.nextInt();
			
			if (choices == 1){
				addCourse();
			}
			
			else{
				menu();
			}
			
		}
		
	}
	
	public void showStudentCourses(){
		
		Student stdntcrs = new Student();
		
		System.out.println("\nType in the name of the student from above you'd like to see the curriculum of, " +
				"\nor just type anything but a student's name to return to the list of students:");
		String studentName = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= stdntList.size()-1; a++) {
			
			if(stdntList.get(a).getName().contains(studentName)){//checks for the attack you want to delete
				
				valueIndex = a;
				
			}
			
		}
		
		if(valueIndex == -1){
			showStudents();
		}
		
		else{
			
			stdntcrs.setName(stdntList.get(valueIndex).getName());
			
			System.out.println(stdntcrs.getName() + "'s curriculum:\n");
			for(int a = 0; a <= stdnt.getCourseSchedule().size()-1; a++){
				if(stdnt.getCourseSchedule().get(a).getPerson().contains(stdntcrs.getName())){
					System.out.println(stdnt.getCourseSchedule().get(a));
				}
			}
			
			System.out.println("\nWhat would you like to do to this curriculum?:" +
					"\n1. Add a course to the curriculum" +
					"\n2. Drop a course from the curriculum" +
					"\nType any other number to return to the list of students");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			int choices = input.nextInt();
			
			if(choices == 1){
				addStudentCourse(stdntcrs.getName());
			}
			
			else if(choices == 2){
				dropStudentCourse(stdntcrs.getName());
			}
			
			else{
				showStudents();
			}
			
		}
		
	}
	
	public void showFacultyCourses(){
		
		FacultyMember fcltycrs = new FacultyMember();
		
		System.out.println("\nType in the name of the faculty member from above you'd like to see the teaching schedule of, " +
				"\nor type in anything but a faculty member name to return to the list of faculty:");
		String facultyName = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= fcltyList.size()-1; a++) {
			
			if(fcltyList.get(a).getName().contains(facultyName)){//checks for the attack you want to delete
				
				valueIndex = a;
				
			}
			
		}
		
		if(valueIndex == -1){
			showFaculty();
		}
		
		else{
			
			fcltycrs.setName(fcltyList.get(valueIndex).getName());
			
			System.out.println(fcltycrs.getName() + "'s teaching schedule:\n");
			for(int a = 0; a <= fclty.getTeachingSchedule().size()-1; a++){
				if(fclty.getTeachingSchedule().get(a).getPerson().contains(fcltycrs.getName())){
					valueIndex = a;
					System.out.println(fclty.getTeachingSchedule().get(a));
				}
			}
			
			System.out.println("\nWhat would you like to do to this schedule?:" +
					"\n1. Add a course to the schedule" +
					"\n2. Drop a course from the schedule" +
					"\nType any other number to return to the list of faculty");
			while (!input.hasNextInt()) {// checks if input is valid for an
				// "int" value
				input.nextLine();// throws away bad input
				System.out.println("\nThat isn't a valid number, please enter again:");
			}
			int choices = input.nextInt();
			
			if(choices == 1){
				addFacultyCourse(fcltycrs.getName());
			}
			
			else if(choices == 2){
				dropFacultyCourse(fcltycrs.getName());
			}
			
			else{
				showFaculty();
			}
			
		}
		
	}
	
	public void dropStudent(){
		
		Student drpStdnt = new Student();
		
		System.out.println("\nType in the name of one of the above students you want to drop, "
				+ "\nor type in anything but a student's name to return to the list of students:");
		String studentName = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= stdntList.size()-1; a++) {
			
			if(stdntList.get(a).getName().contains(studentName)){//checks for the attack you want to delete
				
				valueIndex = a;
				
			}
			
		}
		
		if(valueIndex == -1){
			showStudents();
		}
		
		else{
			
			drpStdnt.setName(stdntList.get(valueIndex).getName());
			stdntList.remove(valueIndex);
			System.out.println(drpStdnt.getName() + " was just dropped.");
			for (int a = 0; a <= stdnt.getCourseSchedule().size()-1; a++){
				if(stdnt.getCourseSchedule().get(a).getPerson().contains(stdnt.getName())){
					System.out.println(stdnt.getCourseSchedule().get(a) + " is being dropped.");
					stdnt.dropCourse(a);
				}
			}
			showStudents();
			
		}
		
	}
	
	public void dropFaculty(){
		
		FacultyMember drpFclty = new FacultyMember();
		
		System.out.println("\nType in the name of one of the above faculty you want to drop, "
				+ "\nor just type anything but a faculty member's name to return to the list of faculty:");
		String facultyName = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= fcltyList.size()-1; a++) {
			
			if(fcltyList.get(a).getName().contains(facultyName)){//checks for the attack you want to delete
				
				valueIndex = a;
				
			}
			
		}
		
		if(valueIndex == -1){
			showFaculty();
		}
		
		else{
			
			drpFclty.setName(fcltyList.get(valueIndex).getName());
			fcltyList.remove(valueIndex);
			System.out.println(drpFclty.getName() + " was just dropped.");
			for (int a = 0; a <= fclty.getTeachingSchedule().size()-1; a++){
				if(fclty.getTeachingSchedule().get(a).getPerson().contains(drpFclty.getName())){
					System.out.println(fclty.getTeachingSchedule().get(a) + " is being dropped.");
					fclty.dropCourse(a);
				}
			}
			
			showFaculty();
			
		}
		
	}
	
	public void dropStudentCourse(String drpStdCrs){
		
		
		System.out.println("\nType in the course identifier of the course you want to drop from " + drpStdCrs + "'s curriculum,"
				+ "\nor type in anything but a course identifier to go back to the list of students:");
		String dropCourse = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= stdnt.getCourseSchedule().size()-1; a++){
			if(stdnt.getCourseSchedule().get(a).getPerson().contains(drpStdCrs)){
				if(stdnt.getCourseSchedule().get(a).getIdentifier().contains(dropCourse)){
					valueIndex = a;
					System.out.println(stdnt.getCourseSchedule().get(a) + " was dropped from " + drpStdCrs + "'s curriculum.");
					stdnt.dropCourse(valueIndex);
				}
			}
		}
		
		if(valueIndex == -1){
			showStudents();
		}
		
		else{
			System.out.println("\nReturning to list of students.");
			showStudents();
		}
		
	}
	
	public void dropFacultyCourse(String drpFtyCrs){
		
		System.out.println("\nType in the course identifier of the course you want to drop from " + drpFtyCrs + "'s teaching schedule,"
				+ "\nor type in anything but a course identifier to go back to the list of faculty:");
		String dropCourse = input.next();
		int valueIndex = -1;
		
		for (int a = 0; a <= fclty.getTeachingSchedule().size(); a++){
			if(fclty.getTeachingSchedule().get(a).getPerson().contains(drpFtyCrs)){
				if(fclty.getTeachingSchedule().get(a).getIdentifier().contains(dropCourse)){
					valueIndex = a;
					System.out.println(fclty.getTeachingSchedule().get(a) + " was dropped from " + drpFtyCrs + "'s curriculum.");
					fclty.dropCourse(valueIndex);
				}
			}
		}
		
		if(valueIndex == -1){
			showFaculty();
		}
		
		else{
			System.out.println("\nReturning to list of faculty.");
			showFaculty();
		}
		
	}
	
	public String toString(){
		return "";
	}
}