#include <stdlib.h>
#include <time.h>
#include <string.h>

#include "game.h"

#define MOUSE_COUNT 5

struct game {
    int catx;
    int caty;

    int mousex[MOUSE_COUNT];
    int mousey[MOUSE_COUNT];

    int alive[MOUSE_COUNT];

    int score;

    char message[100];
};

void* init_game() {

    srand(time(NULL));

    struct game* game = calloc(1, sizeof(struct game));

    game->catx = 10;
    game->caty = 10;

    for (int i = 0; i < MOUSE_COUNT; i++) {
        game->mousex[i] = rand() % 20;
        game->mousey[i] = rand() % 20;
        game->alive[i] = 1;
    }

    return game;
}

int world_event(struct event* event, void* g) {

    struct game* game = (struct game*)g;

    if (event->type == EVENT_KEY) {

        if (event->key == KEY_UP) {
            game->caty--;
        }

        if (event->key == KEY_DOWN) {
            game->caty++;
        }

        if (event->key == KEY_LEFT) {
            game->catx--;
        }

        if (event->key == KEY_RIGHT) {
            game->catx++;
        }
    }

    for (int i = 0; i < MOUSE_COUNT; i++) {

        if (game->alive[i] == 1) {

            if (game->catx == game->mousex[i] &&
                game->caty == game->mousey[i]) {

                game->alive[i] = 0;
                game->score++;
            }
        }
    }


    for (int i = 0; i < MOUSE_COUNT; i++) {

        if (game->alive[i] == 1) {

            int m = rand() % 4;

            if (m == 0) {
                game->mousex[i]++;
            }

            if (m == 1) {
                game->mousex[i]--;
            }

            if (m == 2) {
                game->mousey[i]++;
            }

            if (m == 3) {
                game->mousey[i]--;
            }
        }
    }

    clear();

    set_cell('c', game->catx, game->caty);

    for (int i = 0; i < MOUSE_COUNT; i++) {

        if (game->alive[i] == 1) {
            set_cell('m', game->mousex[i], game->mousey[i]);
        }
    }

    // koniec hry
    if (game->score == MOUSE_COUNT) {

        strcpy(game->message, "Koniec hry");

        set_str(game->message, 1, 1);

        return 1;
    }

    return 0;
}