import java.io.IOException;
import java.text.*;
import java.util.Scanner;

/* Class BinarySearchTree */
public class Lab7Q2 {
	public static void main(String[] args) throws IOException {
		Scanner scan = new Scanner(System.in);
		/* Creating object of BST */
		BST bst = new BST();
		Item element = new Item();
		String next;
		BST bstExpired;
		BST bstName;
		System.out.println("Binary Search Tree Test\n");
		char ch;
		/* Perform tree operations */
		do {
			System.out.println("\nBinary Search Tree Operations\n");
			System.out.println("1. insert Item ");
			System.out.println("2. Find an item by its code ");
			System.out.println("3. List valid items in alphabetical order of their names ");
			System.out.println("4. List expired items in alphabetical order of their names ");
			System.out.println("5. List all items ");
			System.out.println("6. Delete an item given by its code ");
			System.out.println("7. Delete all expired items. ");
			System.out.println("8. Create a separate search tree for expired items");

			System.out.println("9. Save stock in file stock.data");
			int choice = scan.nextInt();
			switch (choice) {
			case 1:
				System.out.println("Enter Item Code");
				element.code = scan.nextInt();
				System.out.println("Enter Item Name");
				element.name = scan.next();
				System.out.println("Enter Item Price");
				element.price = scan.nextDouble();
				System.out.println("Enter Item Amount");
				element.amount = scan.nextInt();
				System.out.println("Enter Item received date");
				next = scan.next("[0-9]{2}/[0-9]{2}/[0-9]{4}");
				try {
					element.receivedDate = new SimpleDateFormat("dd/MM/yyyy").parse(next);
				} catch (ParseException e) {
					e.printStackTrace();
				}
				System.out.println("Enter Item expiration date");
				next = scan.next("[0-9]{2}/[0-9]{2}/[0-9]{4}");
				try {
					element.expirationDate = new SimpleDateFormat("dd/MM/yyyy").parse(next);
				} catch (ParseException e) {
					e.printStackTrace();
				}
				bst.insert(element);
				break;
			case 2:
				System.out.println("Enter code item to search");
				BSTNode temp = bst.search(scan.nextInt());
				if (temp == null)
					System.out.println("Not found");
				else {
					System.out.println("Item Information = " + temp.getData());
					System.out.println("Do you want to modify the information(Y/N)");
					if (scan.next().charAt(0) == 'Y') {
						element.code = temp.data.code;
						System.out.println("Enter Item Name");
						element.name = scan.next();
						System.out.println("Enter Item Price");
						element.price = scan.nextDouble();
						System.out.println("Enter Item Amount");
						element.amount = scan.nextInt();
						System.out.println("Enter Item received date");
						next = scan.next("[0-9]{2}/[0-9]{2}/[0-9]{4}");
						try {
							element.receivedDate = new SimpleDateFormat("dd/MM/yyyy").parse(next);
						} catch (ParseException e) {
							e.printStackTrace();
						}
						System.out.println("Enter Item expiration date");
						next = scan.next("[0-9]{2}/[0-9]{2}/[0-9]{4}");
						try {
							element.expirationDate = new SimpleDateFormat("dd/MM/yyyy").parse(next);
						} catch (ParseException e) {
							e.printStackTrace();
						}
						temp.data = element;
					}
				}
				break;
			case 3:
				bstName = new BST();
				bst.createValidSortedByNameTree(bstName);
				bstName.inorder();
				break;
			case 4:
				bstName = new BST();
				bst.createInValidSortedByNameTree(bstName);
				bstName.inorder();
				break;
			case 5:
				bst.inorder();
				break;
			case 6:
				System.out.println("Enter code item to delete");
				bst.delete(scan.nextInt());
				break;
			case 7:
				bst.deleteExpiredDate();
				bst.inorder();
				break;
			case 8:
				bstExpired = new BST();
				bst.createExpiredDateTree(bstExpired);

				bstExpired.inorder();
				break;
			case 9:
				bst.writeToFile("output.txt");
				break;
			default:
				System.out.println("Wrong Entry \n ");
				break;
			}
			System.out.println("\nDo you want to continue (Type y or n) \n");
			ch = scan.next().charAt(0);
		} while (ch == 'Y' || ch == 'y');
	}
}