#include "podesavanja.h"
#include <stdio.h>
#include <curses.h>
#include <string.h>
#include "utils.h"

// Default podesavanja
const podesavanja default_vrijednosti = {1 /* Debug */, 10 /* Maksimalni rezultat */};

void ucitaj_podesavanja(podesavanja *conf)
{
    FILE *fp=fopen(CONF_FILE, "rb");
    if(fp != NULL)
    {
        fread(conf, sizeof(podesavanja), 1, fp);

        if ((conf->debug > 1) || (conf->debug < 0))
            conf->debug = default_vrijednosti.debug;

        if (conf->max_rez == 0)
            conf->max_rez = default_vrijednosti.max_rez;

        fclose(fp);
    }
    else
        memcpy(conf, &default_vrijednosti, sizeof(podesavanja));
}

void sacuvaj_podesavanja(podesavanja conf)
{
    FILE *fp = fopen(CONF_FILE, "wb");

    if(fp != NULL)
    {
        fwrite(&conf, sizeof(podesavanja), 1, fp);
        fclose(fp);
    }
}

void podesavanja_meni()
{
    int selected = 0;
    podesavanja conf;
    ucitaj_podesavanja(&conf);
    int in_menu = TRUE;

    while(in_menu)
    {
        int width, height;
        getmaxyx(stdscr, height, width);

        int x = (width-30)/2;
        int y = (height-16)/2;
        clear();

        mvaddstr(y++, (width-strlen("HANGMAN :: Podesavanja"))/2, "HANGMAN :: Podesavanja");
        y++;

        if (selected == 0)
            attron(A_REVERSE);

        mvaddstr(y, x, "Debug:");
        attroff(A_REVERSE);

        switch(conf.debug)
        {
            case 0:
                mvaddstr(y++, x+25, "False");
            break;

            case 1:
                mvaddstr(y++, x+25, "True");
            break;
        }

        if (selected == 1)
            attron(A_REVERSE);

        mvaddstr(y, x, "Maksimalni rezultat:");
        attroff(A_REVERSE);

        switch (conf.max_rez)
        {
            case 0:
                mvprintw(y++, x+25, "Neograniceno");
            break;

            default:
                mvprintw(y++, x+25, "%d", conf.max_rez);
        }

        if (selected == 2)
            attron(A_REVERSE);
        y++;

        mvaddstr(y++, x, "Sacuvaj podesavanja");
        attroff(A_REVERSE);

        if(selected == 3)
            attron(A_REVERSE);

        mvaddstr(y++, x, "Default podesavanja");
        attroff(A_REVERSE);

        refresh();

        int c = getch();
        if (c == KEY_UP)
            selected--;
            else if (c == KEY_DOWN)
                selected++;
            else if ((c == KEY_RIGHT) || (c == ' ') || (c == '\n'))
            {
                switch(selected)
                {
                    case 0:
                        conf.debug++;
                        if (conf.debug > 1)
                            conf.debug = 0;
                        break;

                    case 1:
                        conf.max_rez+=1;
                        conf.max_rez%=110;

                        if (conf.max_rez >= 101)
                            conf.max_rez = 0;
                        break;

                    case 2:
                        sacuvaj_podesavanja(conf);
                        in_menu=FALSE;
                        break;

                    case 3:
                        memcpy(&conf, &default_vrijednosti, sizeof(podesavanja));
                }
            }

            else if (c == KEY_LEFT)
            {
                switch(selected)
                {
                    case 0:
                        conf.debug--;
                        if (conf.debug < 0)
                            conf.debug = 1;
                        break;

                    case 1:
                        if (conf.max_rez==0)
                            conf.max_rez=100;
                        else
                            conf.max_rez-=1;

                        if (conf.max_rez >= 101)
                            conf.max_rez = 0;
                        break;

                }
            }
                if (selected < 0)
                    selected += 6;
                else
                    selected %= 6;
    }
}