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//============================================================================
// Name        : TBT.cpp
// Author      : Tanmay Karmarkar
//Date         : 21/03/22
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <cstdio>
using namespace std;
class Node
{
private:
    typedef struct T_Node
    {
        int data;
        T_Node *left;
        T_Node *right;
        bool lbit;
        bool rbit;
    } node;
    node *root;
    node *dummy, *New, *temp;

public:
    Node()
    {
        root = NULL;
    }
    void create();
    void display();
    void inorder(node *, node *);
    void preorder(node*,node*);
    void insert(node *, node *);
    void delet(node*,node*);
    void del();
};

void Node::create()
{
    New = new node;
    New->left = NULL;
    New->right = NULL;
    New->lbit = 0;
    New->rbit = 0;

    cout << "Enter data: " << endl;
    cin >> New->data;
    if (root == NULL)
    {
        root = New;
        dummy = new node;
        dummy->data = -999;
        dummy->left = root;
        dummy->right=NULL;
        root->left = dummy;
        root->right = dummy;
    }
    else
        insert(root, New);
}

void Node::insert(node *root, node *New)
{
    char ch;
    cout << "Where do you want to insert" << root->data << endl;
    cin >> ch;
    if ((ch == 'r' || ch == 'R'))
    {
        if (root->rbit == 0)
        {
            New->right = root->right;
            New->left = root;
            root->rbit = 1;
            root->right = New;
        }
        else
        {
            insert(root->right, New);
        }
    }
    else
    {
        if (root->lbit == 0)
        {
            New->left = root->left;
            New->right = root;
            root->lbit = 1;
            root->left = New;
        }
        else
        {
            insert(root->left, New);
        }
    }
}
void Node::display()
{
    if(root==NULL)
    {
        cout<<"Tree is empty!"<<endl;
    }
    else
    inorder(root,dummy);
    preorder(root,dummy);
}

void Node::inorder(node *temp, node *dummy)
{
cout<<"Inorder Traversal is :";
    while (temp != dummy)
    {
        while (temp->lbit== 1)
        temp = temp->left;
    cout << temp->data<<'-';
    while (temp->rbit==0)
    {
        temp = temp->right;
        if(temp==dummy)
        return;
        cout<<temp->data<<'-';
    }
    temp = temp->right;

    }


}
void Node:: preorder(node*temp,node*dummy)
{
	cout<<"Preorder Traversal is :";
	cout<<endl;
	while(temp!=dummy)
	{
		while(temp->lbit==1)
		{
			cout<<temp->data<<'-';
			temp=temp->left;
		}
		cout<<temp->data<<'-';
		while(temp->rbit==0)
		{
			temp=temp->right;
			if(temp==dummy)
				return;

		}
		temp=temp->right;

	}

}

void Node:: del()
{
	node* to_delete=new node;
	cout<<"enter data :";
	cin>>to_delete->data;
	delet(root,to_delete);
}
void Node:: delet(node*root,node*to_delete)
{
	while(root!=dummy)
	{
		while(root->lbit==1)
		{
			if(root->data==to_delete->data)
			{
				if(root->right->left==root->left)
				{
					temp=root->right;
					temp->lbit=0;
				    temp->left=root->left;
				delete(root);
				}
			}
//			else
//			{
//				temp=root->left;
//				temp->rbit=0;
//				temp->right=root->right;
//			}
			else
			root=root->left;
		}
		while(root->rbit==0)
		{
			root=root->right;
		}
		root=root->right;
	}
}

int main()
{
    Node a;
    char ch = 'n';
    do
    {
        /* code */
        a.create();
        cout << "More?" << endl;
        cin>>ch;
    } while (ch == 'y');
    a.display();

    return 0;
}