#include <ncurses.h>
#include "world.h"

void render(const struct state* state){
    clear();

    for(int x = 0; x <= state->width + 1; x++){
        mvaddch(0, x, '#');
        mvaddch(state->height + 1, x, '#');
    }

    for(int y = 1; y <= state->height; y++){
        mvaddch(y, 0, '#');
        mvaddch(y, state->width + 1, '#');
    }

    for(int y = 0; y < state->height; y++){
        for(int x = 0; x < state->width; x++){
            int draw_x = x + 1;
            int draw_y = y + 1;

            if(is_snake(state->snake, x, y)){
                attron(COLOR_PAIR(1));
                mvaddch(draw_y, draw_x, 'O');
                attroff(COLOR_PAIR(1));
            }else{
                int food = 0;
                for(int i = 0; i < FOOD_COUNT; i++){
                    if (state->foodx[i] == x && state->foody[i] == y)
                        food = 1;
                }

                if(food){
                    attron(COLOR_PAIR(2));
                    mvaddch(draw_y, draw_x, '@');
                    attroff(COLOR_PAIR(2));
                }else{
                    mvaddch(draw_y, draw_x, ' ');
                }
            }
        }
    }

    refresh();
}

void place_food(struct state* state){
    for(int i = 0; i < FOOD_COUNT; i++){
        state->foodx[i] = rand() % state->width;
        state->foody[i] = rand() % state->height;
    }
}