#ifndef OMNI_CLI_PARSE_H
#define OMNI_CLI_PARSE_H

#include "omni_common.h"

static int cli_parse_bool_text(const char *raw, int *out_value) {
    if (raw == NULL || out_value == NULL) {
        errno = EINVAL;
        return -1;
    }
    if (strcmp(raw, "1") == 0 || strcmp(raw, "true") == 0 || strcmp(raw, "yes") == 0 || strcmp(raw, "on") == 0) {
        *out_value = 1;
        return 0;
    }
    if (strcmp(raw, "0") == 0 || strcmp(raw, "false") == 0 || strcmp(raw, "no") == 0 || strcmp(raw, "off") == 0) {
        *out_value = 0;
        return 0;
    }
    errno = EINVAL;
    return -1;
}

static int cli_parse_value_flag(int argc, char **argv, int *index, const char *arg, const char *flag, const char **out_value) {
    size_t flag_len = strlen(flag);

    if (strcmp(arg, flag) == 0) {
        if (*index + 1 >= argc) {
            errno = EINVAL;
            return -1;
        }
        *out_value = argv[++(*index)];
        return 1;
    }
    if (strncmp(arg, flag, flag_len) == 0 && arg[flag_len] == '=') {
        *out_value = arg + flag_len + 1;
        return 1;
    }
    return 0;
}

static int cli_parse_bool_flag(const char *arg, const char *flag, int *out_value) {
    size_t flag_len = strlen(flag);

    if (strcmp(arg, flag) == 0) {
        *out_value = 1;
        return 1;
    }
    if (strncmp(arg, flag, flag_len) == 0 && arg[flag_len] == '=') {
        if (cli_parse_bool_text(arg + flag_len + 1, out_value) != 0) {
            return -1;
        }
        return 1;
    }
    return 0;
}

#endif