#include<iostream>
#include <string>
using namespace std;

class shape
{
public:
	shape(int x=0)
	{
		;
	}
	//function to draw shape
	virtual void draw() = 0;

	//------function to calculate area
	virtual float area() = 0;

	//function to return name of the shape
	virtual string name() = 0;

	void print_area()
	{
		cout << this->area() << endl;
	}
};

class rectangle : public shape
{
	float length, width;
public:
	//parameterized constructor
	rectangle(float length ,float width): shape(0)
	{
		this->length = length;
		this->width = width;
	}
	//------function to return name of the shape "Rectangle"
	string name() { return "Rectangle"; }
	//draw the rectangle
	void draw()
	{
		for (int i = 0; i<length; i++)
		{
			for (int j = 0; j<width; j++)
			{
				if (i == 0 || i == length - 1 || j == 0 || j == width - 1)
					cout << "*";
				else
					cout << " ";
			}
			cout << endl;
		}
	}
	//calculate area of the rectangle
	float area() { return length*width; }

};

class square : public rectangle
{
	float side;
public:
	//parameterized constructor
	square(float side):rectangle(side,side)
	{
		this->side=side;
	}
	//------function to return name of the shape "Square"
	string name() { return "Square"; }
};

class rhombus :public shape
{
	float diagonal_1, diagonal_2;
public:
	//parameterized constructor
	rhombus(float diagonal_1,float diagonal_2):shape(0)
	{
		this->diagonal_1=diagonal_1;
		this->diagonal_2 = diagonal_2;
	}
	string name() { return "Rhombus"; }
	//draw the rhombus
	void draw()
	{
		int i = 0, j = 0,d= diagonal_1-1;

		for (i = -d; i <= d; i++)
		{
			for (j = -d; j <= d; j++)
			{
				if (abs(i) + abs(j) == d)
					cout << "*";
				else
					cout << " ";
			}
			cout << endl;
		}
	}
	//calculate area of the rhombus
	float area(){ return (diagonal_1 * diagonal_2) / 2; }
};

class vertical_line :public shape
{
	int v_length;
public:
	//parameterized constructor
	vertical_line(int v_length) :shape(0)
	{
		this->v_length= v_length;
	}
	string name() { return "Vertical line"; }

	//draw the vertical line
	void draw()
	{
		for(int i=0;i<v_length;i++)
			cout << "*" << endl;
	}
	//calculate area of the vertical line
	float area() { return 0;}
};

class horizontal_line :public shape
{
	int h_length;
public:
	//parameterized constructor
	horizontal_line(int h_length) :shape(0)
	{
		this->h_length= h_length;
	}
	string name() { return "horizontal line"; }
	//draw the horizontal line
	void draw()
	{
		for (int i = 0;i<h_length;i++)
			cout << "*";
		cout << endl;
	}
	//calculate area of the horizontal line
	float area() { return 0; }
};


     void main(void)
     {
		 float length, width, side,diagonal_1, diagonal_2;
		 int h_length, v_length;
		 shape* shapes[30] = { NULL };
		 int count = 0;
		 while (1)
		 {
			 cout << "Please choose from the following:" << endl << endl;
			 cout << "1. Make a new shape" << endl << "2. List shapes" << endl <<
				 "3. Query Shape Info" << endl << "4. Draw a shape" << endl <<
				 "5. Exit" << endl << endl;
			 int choice;
			 cin >> choice;
			 cout << endl;
			 if (choice == 1)
			 {
				 while (1)
				 {
					 //prompt user to choose a shape
					 cout << "Please choose from the following: " << endl << endl <<
						 "1. Rectangle" << endl << "2. Square"<< endl
						 << "3. Rhombus" << endl << "4. Vertical Line" << endl <<
						 "5. Horizontal Line" << endl << "6. Back" << endl;

					 int ans;
					 cin >> ans;
					 if (ans == 1)
					 {
						 while (1)
						 {
							 //prompt user to enter length and width of the rectangle
							 cout << "Please enter length and width of the rectangle:" << endl;
							 cin >> length >> width;
							 //check sides values
							 if (length > 100 || length < 2 || width > 100 || width < 2)
							 {
								 cout << "Sides must be between 2 and 100\n\n";
							 }
							 else
								 break;
						 }
						 shapes[count] = new rectangle(length,width);
						 count++;
						 cout << endl;
					 }
					 else if (ans == 2)
					 {
						 while (1)
						 {
							 //prompt user to enter side of the square
							 cout << "Please enter a side of a square: ";
							 cin >> side;
							 cout << endl;
							 //check side value
							 if (side < 2 || side>100)
							 {
								 cout << "side must be between 2 and 100\n\n";
							 }
							 else
								 break;
						 }
						 shapes[count] = new square(side);
						 count++;
						 cout << endl;
						 cout << endl;

					 }
					 else if (ans == 3)
					 {
						 while (1)
						 {
							 //prompt user to enter diagonals of the rhombus
							 cout << "Please enter two diagonls of the rhombus: \n";
							 cin >> diagonal_1 >> diagonal_2;
							 //check diagonals values
							 if (diagonal_1 > 100 || diagonal_1 < 2 || diagonal_2 > 100 || diagonal_2 < 2)
								 cout << "Diagonals must be between 2 and 100" << endl;
							 else
								 break;
						 }
						 shapes[count] = new rhombus(diagonal_1, diagonal_2 );
						 count++;
						 cout << endl;
						 cout << endl;

					 }
					 else if (ans == 4)
					 {
						 while (1)
						 {
							 //prompt user to enter length of the vertical line
							 cout << "Please enter length of the vertical line: \n";
							 cin >> v_length;
							 //check length value
							 if (v_length > 100 || v_length < 1)
								 cout << "must be between 1 and 100" << endl;
							 else
								 break;

						 }
						 shapes[count] = new vertical_line(v_length);
						 cout << endl;
						 count++;
						 cout << endl;
						 cout << endl;
					 }
					 else if (ans == 5)
					 {
						 while (1)
						 {
							 //prompt user to enter length of the horizontal line
							 cout << "Please enter length of the horizontal line: \n";
							 cin >> h_length;
							 //check length value
							 if (h_length > 100 || h_length < 1)
								 cout << "must be between 1 and 100" << endl;
							 else
								 break;
						 }
						 shapes[count] = new horizontal_line(h_length);
						 cout << endl;
						 count++;
						 cout << endl;
						 cout << endl;
					 }
					 else if (ans == 6)
					 {
						 break;
					 }

					 else
					 {
						 cout << endl << "Invalid choice" << endl << endl;
						 continue;
					 }
				 }
			 }
			 if(choice ==2)
			 {
				 if (count == 0)
				 {
					 cout << "Shapes not found" << endl <<
						 "Please make new shapes" << endl << endl;
				 }
				 else
				 {
					 for (int i = 0;i < count;i++)
					 {
						 cout << i+1<<". "<<shapes[i]->name() << endl;
					 }
					 cout << endl;
				 }
			 }
			 if (choice == 3)
			 {
				 if (count == 0)
				 {
					 cout << "Shapes not found" << endl <<
						 "Please make new shapes" << endl << endl;
				 }

				 else
				 {
					 for (int i = 0;i < count;i++)
					 {
						 cout << shapes[i]->name() << endl <<"Area: ";
						 shapes[i]->print_area();
						 cout << endl;
					 }
					 cout << endl;
				 }
			 }
			 if(choice==4)
			 {
				 if (count == 0)
				 {
					 cout << "Shapes not found" << endl <<
						 "Please make new shapes" << endl << endl;
				 }
				 else
				 {
					 for (int i = 0;i < count;i++)
					 {
						 cout << shapes[i]->name() << endl << endl;
						 shapes[i]->draw();
						 cout << endl;
					 }
				 }
			 }
			 if (choice == 5)
			 {
				 for (int i = 0;i < 30;i++)
					 delete(shapes[i]);
				 exit(1);
			 }
		 }
}