#include "configreader.h"
#include <libconfig.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
config_t cfg;
const config_setting_t *pins;

void cfginit(void) {
    
    config_init(&cfg);
    if (!config_read_file(&cfg, "./settings.cfg")) {
        fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg));
        config_destroy(&cfg);
        //return(EXIT_FAILURE);
    }
}

void cfgdestroy(void) {
    //free ram
    config_destroy(&cfg);
}

void cfgreinit(void) {
    cfgdestroy();
    cfginit();
}

int cfgreadpinnumber(int element) {
    pins = config_lookup(&cfg, "pins");
    int length = config_setting_length(pins);
    if (element < length) {
        return config_setting_get_int_elem(pins, element);
    } else {
        printf("No pins configuration item found.\n");
        return 7;
    }
    
}

int cfgreadpinamount(void) {
    pins = config_lookup(&cfg, "pins");
    return config_setting_length(pins);
}