/*
Author: Alejandro Santillana
Description: Builds a basic school data tracker
	keeps track of students and what course they are enrolled in as well as what courses
	are offered by the school.
	Course information is also available
	Input is read from file
*/
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.scene.layout.GridPane;

public class App extends Application {
	static public School school_;
	
	// next 3 methods are just here to populate the scene with items insede them
	public Scene setStudentScene(Stage stage, Scene _prevScene) {
		GridPane _layout = new GridPane();
		// make the buttons 
		Button addButton = new Button("Add student");
		Button returnButton = new Button("Return");
		// adding buttons to the scene's layout
		_layout.add(addButton, 1,0,1,1);
		_layout.add(returnButton, 1,1,1,1);

		// add event listeners for the buttons
		returnButton.setOnAction(e-> stage.setScene(_prevScene));
		// finally return a new scene with the finished layout
		Scene ret = new Scene(_layout, 1280, 720);
		return ret;
	}
	public Scene setInstructorScene(Stage stage, Scene _prevScene) {
		GridPane _layout = new GridPane();
		// buttons for this page
		Button addButton = new Button("Add instructor");
		Button setButton = new Button("Assign to course");
		Button returnButton = new Button("Return");

		// setup buttons
		_layout.add(addButton, 1,0,1,1);
		_layout.add(setButton, 1,1,1,1);
		_layout.add(returnButton, 1,2,1,1);

		returnButton.setOnAction(e -> stage.setScene(_prevScene));
		Scene ret = new Scene(_layout, 1280, 720);
		return ret;
	}
	public Scene setCourseScene(Stage stage, Scene _prevScene) {
		GridPane _layout = new GridPane();

		Button addButton = new Button("Add course");
		Button deleteButton = new Button("Delete course");
		Button returnButton = new Button("Return");

		_layout.add(addButton, 1,0,1,1);
		_layout.add(deleteButton, 1,1,1,1);
		_layout.add(returnButton, 1,2,1,1);

		returnButton.setOnAction(e -> stage.setScene(_prevScene));
		Scene ret = new Scene(_layout, 1280, 720);
		return ret;
	}
	@Override
	public void start(Stage stage) {
		// make the initial menu with three buttons
		stage.setTitle("School App");

		// Main menu comes first
		GridPane grid = new GridPane();
		Button instButton = new Button("Instructors");
		Button studButton = new Button("Students");
		Button courseButton = new Button("Courses");
			// add those buttons to the main_menu scene
		grid.add(instButton, 1, 0, 1, 1);
		grid.add(studButton, 1, 1, 1, 1);
		grid.add(courseButton, 1, 2, 1, 1);

		Scene main_menu = new Scene(grid, 1280, 720);

		// next we can create the other menu's 
		Scene studMenu = setStudentScene(stage, main_menu);
		Scene instMenu = setInstructorScene(stage, main_menu);
		Scene courMenu = setCourseScene(stage, main_menu);

		// now we can add the event listeners for our main menu as the other scenes now exist
		instButton.setOnAction(e-> stage.setScene(instMenu)); 
		studButton.setOnAction(e-> stage.setScene(studMenu)); 
		courseButton.setOnAction(e-> stage.setScene(courMenu)); 

		stage.setScene(main_menu);
		stage.show();
	}
	public static void main(String[] args) {
		// First we'll create a school
		School.createSchool("CSUMB");
		school_ = School.getSchool();
		// Next we'll populate it with some data
		school_.readData("data1.txt");
		school_.readData("data2.txt");
		// Next we'll create the UI
		launch();
	}
	public static void legacy_main(String[] args) {
		String dataFile1 = "data1.txt";
		String dataFile2 = "data2.txt";

		// course reference for demo purposes
		Course course1;
		Student student1;

		// first we'll read in some data
		System.out.println("===== Read Data 1 =====");
		School.createSchool("CSUMB");
		
		School SCD = School.getSchool();
		// get all basic info about the SCD
		SCD.readData(dataFile1);

		System.out.println("\n===== School Info 1 =====");
		SCD.schoolInfo();

		// round 2 of adding info to the SCD
		System.out.println("\n===== Read Data 2 =====");
		SCD.readData(dataFile2);

		System.out.println("\n===== School Info 2 =====");
		SCD.schoolInfo();

		// we'll now add some new instructors
		SCD.addInstructor(700, "E. Tao", "tao@csumb.edu", "777-777-1234");
		SCD.addCourse(300, "CST300 – ProSem", 700, "BIT110");
		SCD.addCourse(231, "CST231 – Intro C++", 100, "BIT104");

		// examples of bad courses to add
		System.out.println("\n===== Failed Course Addition =====");
		SCD.addCourse(306, "CST306 – GUI Dev", 250, "BIT120");
		SCD.addCourse(499, "CST499 – iOS Dev", 150, "BIT104");
		
		System.out.println("\n===== Detailed Course Info =====");
		SCD.courseInfo(306);

		// updateing a courses location
		course1 = SCD.getCourse(205);
		course1.updateLocation("Library 104");

		// checking some courses' information
		System.out.println("\n===== Detailed Course Info 2 =====");
		SCD.courseInfo(205);

		System.out.println("\n===== Detailed Course Info 3 =====");
		SCD.courseInfo();
		SCD.deleteCourse(231);
		SCD.deleteCourse(336);
		SCD.deleteCourse(338);
		
		System.out.println("\n===== Detailed Course Info 4 =====");
		SCD.courseInfo();

		// adding a student (valid this time)
		SCD.addStudent(5555, "Chris Watson", 205, 85.50f, "B");
		System.out.println("\n===== Detailed Course Info 5 =====");
		SCD.courseInfo(205);
		student1 = SCD.getStudentInfo(7777);

		// student info
		System.out.println("\n===== Detailed Student Info =====");
		System.out.println(student1);

		System.out.println("\n===== Detailed Student Info 2 =====");
		System.out.println(SCD.getStudentInfo(7777));
		SCD.graduateStudent(5555);

		System.out.println("\n===== Detailed Course Info 6 =====");
		SCD.courseInfo(205);
		SCD.graduateStudent(5555);

		System.out.println("\n===== Good Job! Bye! =====");
	}
}