#include <iostream>
#include <ios>
#include <iomanip>


// temporary
#include <thread>
#include <mutex>

#include <pqxx/pqxx>

#include "database.hpp"

void print_query(pqxx::result res, std::ostream & os = std::cout)
{
    const size_t width {20};

    // shows the names of columns
    for (size_t i {0}; i < res.begin().size(); ++i)
    {
        if (! res.begin()[static_cast<int>(i)].is_null())
            os << std::setw(width) << res.begin()[static_cast<int>(i)].name() << " | ";
        else
            os << std::setw(width) << "Null" << " | ";
    }
    os << std::endl;

    // prints data
    for (auto iter {res.begin()}; iter != res.end(); ++iter)
    {
        for (size_t col {0}; col < iter[static_cast<int>(col)].size(); ++col)
        {
            if (! iter[static_cast<int>(col)].is_null())
                os << std::setw(width) << iter[static_cast<int>(col)].as<std::string>() << " | ";
            else
                os << std::setw(width) << "Null" << " | ";
        }
        os << std::endl;
    }

}

struct guard // guard
{
public:
    guard() {std::cout << "ctor guard\n";}
    ~guard() {std::cout << "dtor guard\n";}

private:

};

void foo()
{
    guard g = {};
    std::cout << "enter foo\n";
    try {
       std::cout << "enter foo() try\n";
       throw 42;
       std::cout << "exit foo() try\n";
    } catch (...) {
        std::cout << "enter foo() catch\n";
        throw 42; // uncomment this
        std::cout << "exit foo() catch\n";
    }
}

void bar()
{
    try {
       std::cout << "enter bar() try\n";
       foo();
       std::cout << "exit bar() try\n";
    } catch (...) {
        std::cout << "enter bar catch\n";
        throw 42; // uncomment this
        std::cout << "exit bar() catch\n";
    }
}

int main(int, char *argv[])
{
   /*try { // uncomment this
        std::cout << "enter main() try\n";
        bar();
        std::cout << "exit main() try\n";
    } catch (...) {
        std::cout << "enter main() catch\n";
        std::cout << "exit main() catch\n";
    }
    */
    bar();

}