#ifndef TESTS_UTILS_HPP
# define TESTS_UTILS_HPP


#include "colors.h"
#include <iostream>
#include <string>
#include <iomanip>		// std::setw()
#include <iterator>		// std::reverse_iterator
#include <utility>		// std::make_pair
#include <sstream>		// std::stringstream


// toogle between test ft and stl
//                                *************************
#include <vector>
#include <map>
#ifdef STL
	namespace ft = std;
#else
	#include "vector.hpp"
	#include "reverse_iterator.hpp"
#endif


// defines
//                  ****************************************
# define TITLE(s)	std::cout << "\n" B_PURPLE #s RESET "\n\n";
# define VAL(n)		val<T>(n)
# define VALT(n)	val<T>(n)
# define VALU(n)	val<U>(n)
# define TOI(n)		toi<T>(n)
# define PRINT(n)	print<T>(n);
# define DELETE		delete_structs();


// prototypes
//            *********************************************
struct A_test
{
	virtual ~A_test(){};
	std::string		title;
	std::string		type;
	virtual void	func() = 0;
};
struct mystruct {
public:
	mystruct(int data = 0);
	~mystruct();
	int *	get_data() const;
private:
	int *	_val;
};
std::ostream &	operator<<(std::ostream & o, mystruct const * rhs);
void add_to_list(std::string title, std::string type, A_test* test);
void delete_structs();


// global variables
//                  ***************************************
extern std::vector< std::vector<A_test*> >	test_list;
extern std::vector< mystruct* >				mem_list;


// adding each test to the list
//                              ***************************
#define TEST_V(f_name) \
	template <class T> struct s_ ## f_name : public A_test\
		{ void func(); };\
	void f_name () {\
		add_to_list(#f_name, "int", new(s_ ## f_name <int>));\
		add_to_list("", "char", new(s_ ## f_name <char>));\
		add_to_list("", "std::string", new(s_ ## f_name <std::string>));\
		add_to_list("", "mystruct*", new(s_ ## f_name <mystruct*>));\
		}\
	template <class T>\
		void s_ ## f_name <T>::func()

#define TEST_M(f_name) \
	template <class T, class U> struct s_ ## f_name : public A_test\
		{ void func(); };\
	void f_name () {\
		add_to_list(#f_name, "int, int", new(s_ ## f_name <int, int>));\
		add_to_list("", "char, int", new(s_ ## f_name <char, int>));\
		add_to_list("", "std::string, int", new(s_ ## f_name <std::string, int>));\
		add_to_list("", "mystruct*, int", new(s_ ## f_name <mystruct*, int>));\
		}\
	template <class T, class U>\
		void s_ ## f_name <T, U>::func()


// templates print
//                 *****************************************
template <class T>
	void	print(ft::vector<T> vec) {

	int i = 0;
	typename ft::vector<T>::iterator it;
	typename ft::vector<T>::iterator it_end = vec.end();

	for (it = vec.begin(); it != it_end; ++it, i++)
		std::cout << "[" << i << "]" << *it << " ";
	std::cout << "\nsize:" << vec.size() << " capacty:" << vec.capacity() << "\n";
}
template <class T, class U>
	void	print(ft::map<T, U> ma) {

	int i = 0;
	typename ft::map<T, U>::iterator it;
	typename ft::map<T, U>::iterator it_end = ma.end();

	for (it = ma.begin(); it != it_end; ++it, i++)
		std::cout << "[" << i << "]" << it->first << ":" << it->second << " ";
	std::cout << "\nsize:" << ma.size() << "\n";
}

// templates get value
//                     *************************************
// specialization in header, make it inline :
// https://stackoverflow.com/questions/63529059/c-specialized-method-templates-produce-multiple-definition-errors
template <class T>
	T val(int n) {(void)n; return (T());
}
template <>
	inline	int val(int n) {return (n);
}
template <>
	inline	char val(int n) {return (n % 94 + 33);
}
template <>
	inline	std::string val(int n) {

	std::string			str;
	std::stringstream	stream;

	stream << n;
	stream >> str;
	stream.clear();
	return (str);
}
template <>
	inline	mystruct* val(int n) {

	mystruct *s = new mystruct(n);
	mem_list.push_back(s);
	return ( s );
}


// templates to value
//                    **************************************
template <class T>
	int toi(T t) {(void)t; return (0);
}
template <>
	inline	int toi(int i) {return (i);
}
template <>
	inline	int toi(char c) {return (c);
}
template <>
	inline	int toi(std::string str) {

	int					i;
	std::stringstream	stream;

	stream << str;
	stream >> i;
	stream.clear();
	return (i);
}
template <>
	inline	int toi(mystruct* s) {

	return ( s->get_data()[0] );
}


#endif