/*
 * pkg - Configuration
 * https://rawnix.org
 *
 * Copyright (c) 2025 zorz@gmx.com
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include "config.h"
#include "paths.h"
#include <ctype.h>

config_t *config_new(void)
{
    config_t *c;

    c = xmalloc(sizeof(config_t));
    c->portdir_count = 0;
    c->portdirs = NULL;
    return c;
}

void config_free(config_t *c)
{
    size_t i;

    if (!c)
        return;
    for (i = 0; i < c->portdir_count; i++)
        free(c->portdirs[i]);
    free(c->portdirs);
    free(c);
}

static void config_add_portdir(config_t *c, const char *dir)
{
    c->portdirs = xrealloc(c->portdirs,
                           (c->portdir_count + 1) * sizeof(char *));
    c->portdirs[c->portdir_count++] = xstrdup(dir);
}

int config_load(config_t *c, const char *path)
{
    FILE *fp;
    char line[MAX_LINE];
    char *key, *val, *p;

    fp = fopen(path ? path : CONFIG_FILE, "r");
    if (!fp)
        return 0;   /* no config file is acceptable */

    while (fgets(line, sizeof(line), fp)) {
        p = strchr(line, '#');
        if (p)
            *p = '\0';

        key = str_trim(line);
        if (!key || !*key)
            continue;

        /* split key/value on first whitespace */
        val = key;
        while (*val && !isspace((unsigned char)*val))
            val++;
        if (*val) {
            *val++ = '\0';
            while (isspace((unsigned char)*val))
                val++;
        }

        if (strcmp(key, "portdir") == 0 && val && *val)
            config_add_portdir(c, val);
    }

    fclose(fp);
    return 0;
}