package org.example;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class Main { // Class

    public static void main(String[] args) {  // MAIN Object

        MyBasics myB = new MyBasics();  // myB local prop
        myB.myIfElse();

        // for loop
        String[] localNames = myB.contactNames();  // ["Bob Smith", "Mary Jones", "Joe Doe"]

        //Print
        for (String name : localNames) { // for ( x in: ys )
            // x local var of the loop {}
            // ys dataset
            //// 1. local static variable Class   localNames
            //// 2. Object passed myB.contactNames()
            System.out.println(name);

        }
        // end for loop

        // Execute a class object
        SumCalculator sumCalculator = new SumCalculator();
        int number = 7; //  28
        int result = sumCalculator.sum(number);
        System.out.println("Result: " + result); // 28


        // Override Methods
        Persons persons = new Persons();
        Student student = new Student(); // only student members
        Teacher teacher = new Teacher();
        // call method
        persons.typeofPerson();
        student.typeofPerson();
        teacher.typeofPerson();

        // Polymorphism
        Persons persons1 = new Student(); // Persons 7  > Student 2 new 1 or end up with 9 members
        persons1.typeofPerson(); // student

        // execute Interface
        Contact contact = new EmailContact("philipm@onlc.com");
        contact.displayContactInfo(); // interface

        // Collections Chapter 4

        String[] orders = new String[2]; // specific length

        // Assign Values to that Array
        orders[0] = "Order 1234";
        orders[1] = "Order 3456";

        System.out.println(orders[0]);

        ArrayList<String> orders1 = new ArrayList<>(); // variable length
        // elements
        // []
        orders1.add("Bob"); // ["Bob"]
        orders1.add("Joe"); // ["Bob","Joe"]
        System.out.println(orders1.get(0));
        System.out.println("---------");
        orders1.add("Mary"); // ["Bob","Joe","Mary"]

        // enhansed for each loop
        for (String x: orders1) {
            System.out.println(x);
        }

        System.out.println("Now Remove Joe"); // 1

        orders1.remove(1);
        // enhansed for each loop
        for (String x: orders1) {
            System.out.println(x);
        }

        // Dictionary TreeMap HashMap
        // HashMap
        Map<String, Integer> groceryCart = new HashMap<>();

        groceryCart.put("Apples",5);
        groceryCart.put("Bananas", 2); // 2
        groceryCart.put("Apples", 3); // 2 replace qty 3

        System.out.println(groceryCart);

        groceryCart.remove("Apples");
        System.out.println("---------");
        System.out.println(groceryCart);
        groceryCart.put("Apples", 9);
        groceryCart.put("Oranges", 5);

        // enhansed for each loop
        for (Map.Entry<String, Integer> x: groceryCart.entrySet()) {
            String itemName = x.getKey();
            int itemQuantity = x.getValue();

            System.out.println("Item: " + itemName + " Quantity: " + itemQuantity);
        } //for

        // Properties Class Chapter 8
        Properties properties = new Properties();

        try {

            String filePath = "C:\\Users\\Student\\IdeaProjects\\JavaCustom2\\src\\main\\resources\\config.properties";

            FileInputStream fileInputStream = new FileInputStream(filePath);
            properties.load(fileInputStream);
            fileInputStream.close();

            // Get a property value
            String username = properties.getProperty("username");
            System.out.println(("Username: " + username));   // not set

            // Set a username
            // !config.properties
            properties.setProperty("username", "philm");

            // Get a property value
            String username1 = properties.getProperty("username");
            System.out.println(("Username: " + username1));   // philm

            // Write properties back to the config file
            FileOutputStream fileOutputStream = new FileOutputStream(filePath);
            properties.store(fileOutputStream, null);

        } // try

        catch (Exception e) {
            e.printStackTrace();
        } // catch

    } // main

} // Main