#ifndef CONFIG_H
#define CONFIG_H

#define ENV_GANDI_TOKEN       "GANDI_API_TOKEN"
#define ENV_DOMAINS           "DOMAINS"
#define ENV_DNS_KEEPER_PORT   "DNS_KEEPER_PORT"
#define ENV_DNS_KEEPER_DOMAIN "DNS_KEEPER_DOMAIN"
#define ENV_DNS_KEEPER_RECORD "DNS_KEEPER_RECORD"
#define ENV_POLL_INTERVAL     "POLL_INTERVAL"

#define DEFAULT_DNS_KEEPER_PORT 65535u
#define DEFAULT_POLL_INTERVAL 5u
#define CONFIG_MAX_DOMAIN_LEN 253u /* RFC 1035 max FQDN length */

typedef struct {
    char  *api_token;
    char  *dns_keeper_domain;
    char  *dns_keeper_record;
    int    dns_keeper_port;
    int    poll_interval;
    char **domains;
    int    domain_count;
} Config;

int  config_load(Config *cfg);
void config_free(Config *cfg);

#endif /* CONFIG_H */