#pragma once
#include <cctype>
#include <algorithm>
#include <cstdlib>
#include <vector>
#include <functional>
#include <iterator>
#include <sstream>
#include <string>
#include <iomanip>
#include <regex>
#include <mutex>
#include <condition_variable>
#include <optional>
#include <type_traits>
#include <gtkmm.h>

namespace util {
template<typename T>
struct is_optional : ::std::false_type {};

template<typename T>
struct is_optional<::std::optional<T>> : ::std::true_type {};
} // namespace util

class Semaphore {
public:
    Semaphore(int count = 0);
    void notify();
    void wait();

private:
    std::mutex m_mutex;
    std::condition_variable m_cv;
    int m_count;
};

void LaunchBrowser(Glib::ustring url);
void GetImageDimensions(int inw, int inh, int &outw, int &outh, int clampw = 400, int clamph = 300);
std::string IntToCSSColor(int color);
Gdk::RGBA IntToRGBA(int color);
void AddWidgetMenuHandler(Gtk::Widget *widget, Gtk::Menu &menu);
void AddWidgetMenuHandler(Gtk::Widget *widget, Gtk::Menu &menu, sigc::slot<void()> pre_callback);
std::vector<std::string> StringSplit(const std::string &str, const char *delim);
std::string GetExtension(std::string url);
bool IsURLViewableImage(const std::string &url);
std::vector<uint8_t> ReadWholeFile(std::string path);
std::string HumanReadableBytes(uint64_t bytes);
std::string FormatISO8601(const std::string &in, int extra_offset = 0, const std::string &fmt = "%x %X");
void AddPointerCursor(Gtk::Widget &widget);

template<typename T>
struct Bitwise {
    static const bool enable = false;
};

template<typename T>
typename std::enable_if<Bitwise<T>::enable, T>::type operator|(T a, T b) {
    using x = typename std::underlying_type<T>::type;
    return static_cast<T>(static_cast<x>(a) | static_cast<x>(b));
}

template<typename T>
typename std::enable_if<Bitwise<T>::enable, T>::type operator|=(T &a, T b) {
    using x = typename std::underlying_type<T>::type;
    a = static_cast<T>(static_cast<x>(a) | static_cast<x>(b));
    return a;
}

template<typename T>
typename std::enable_if<Bitwise<T>::enable, T>::type operator&(T a, T b) {
    using x = typename std::underlying_type<T>::type;
    return static_cast<T>(static_cast<x>(a) & static_cast<x>(b));
}

template<typename T>
typename std::enable_if<Bitwise<T>::enable, T>::type operator&=(T &a, T b) {
    using x = typename std::underlying_type<T>::type;
    a = static_cast<T>(static_cast<x>(a) & static_cast<x>(b));
    return a;
}

template<typename T>
typename std::enable_if<Bitwise<T>::enable, T>::type operator~(T a) {
    return static_cast<T>(~static_cast<typename std::underlying_type<T>::type>(a));
}

template<typename T>
inline void AlphabeticalSort(T start, T end, std::function<std::string(const typename std::iterator_traits<T>::value_type &)> get_string) {
    std::sort(start, end, [&](const auto &a, const auto &b) -> bool {
        const std::string &s1 = get_string(a);
        const std::string &s2 = get_string(b);

        if (s1.empty() || s2.empty())
            return s1 < s2;

        bool ac[] = {
            !isalnum(s1[0]),
            !isalnum(s2[0]),
            !!isdigit(s1[0]),
            !!isdigit(s2[0]),
            !!isalpha(s1[0]),
            !!isalpha(s2[0]),
        };

        if ((ac[0] && ac[1]) || (ac[2] && ac[3]) || (ac[4] && ac[5]))
            return s1 < s2;

        return ac[0] || ac[5];
    });
}

void ScrollListBoxToSelected(Gtk::ListBox &list);

bool StringContainsCaseless(const Glib::ustring &str, const Glib::ustring &sub);
