#include <FL/Fl.H>
#include <FL/Fl_Native_File_Chooser.H>
#include <FL/fl_message.H>
#include <memory>
#include <stdio.h>
#include <string>

#include "menu_callbacks.hpp"
#include "solution_algorithm.hpp"
#include "gameplay.hpp"
#include "img_handler.hpp"

void new_game_callback(Fl_Widget*, void *gp)
{
    Fl::check();
    PuzzleGame::StartGame(reinterpret_cast<GameParams*>(gp));
}

static bool check_correct_path_to_img(const char *path)
{
    if(path == nullptr)
        return false;
    std::string p(path);
    std::string ext = p.substr(p.find_last_of('.'));
    return ext == ".png" || ext == ".jpg";
}

void load_file_callback(Fl_Widget *sender, void*)
{
    const char *path = nullptr;
    auto dialog = Fl_Native_File_Chooser{};
    dialog.type(Fl_Native_File_Chooser::BROWSE_FILE);
    dialog.filter("JPEG Files\t*.jpg\nPNG Files\t*.png");
#if defined(_WIN32)
    dialog.directory((std::string {getenv("HOMEPATH")} + "\\Desktop").c_str());
#else
    dialog.directory((std::string {getenv("HOME")} + "/Desktop").c_str());
#endif
    dialog.options(Fl_Native_File_Chooser::SAVEAS_CONFIRM |
                                            Fl_Native_File_Chooser::NEW_FOLDER);
    if (dialog.show() == 0)
        path = dialog.filename();
    if(check_correct_path_to_img(path)) {
        ImageHandler ih(path);
        ih.load_img();
        ih.resize_img();
        ih.save_img();
        fl_message_title("Info");
        fl_message("Image successfully added");
    }
}

void exit_callback(Fl_Widget *w, void*)
{
    w->parent()->hide();
}

void solve_problem_callback(Fl_Widget *w, void *gp)
{
    GameParams *game = reinterpret_cast<GameParams*>(gp);
    std::unique_ptr<ASearch> algorithm = ASearch::Start(game);
    Node *goal = algorithm->FindSolution();
    algorithm->ShowSolution(goal);
    int answer = fl_choice("Play again?", "No", "Yes", nullptr);
    if(answer)
        PuzzleGame::StartGame(game);
    else
        game->win->hide();
}

void about_callback(Fl_Widget *w, void*)
{
    fl_message_title("About");
    fl_message("This app is devoted to my friends, to who I'm appreciative for"
               " their support:\nIlya Korsak\nMaxim Fadeev\n\n"
               "For all questions, please contact me:\n"
               "m@@scratko.xyz");
}