/**

 *  $Id: config.c 51 2008-01-10 00:19:39Z mbroeker $

 * $URL: http://localhost/svn/c/mcbot/trunk/src/config.c $

 *

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <config.h>

const

char *CONFIG_OPTIONS[] = {

    "NICK", "PASSWORD", "SERVER", "PORT",

    "CHANNEL", "TOPIC",

    NULL

};

int config (UC * uc, char *fname)

{

    FILE *f;

    char buffer[513];

    static char **line;

    char *token;

    char *value;

    int i = 0;

    if ((f = fopen (fname, "r")) == NULL)

        return -1;

    while (CONFIG_OPTIONS[i] != NULL)

        i++;

    line = calloc (i, sizeof (char *));

    /*

     * We can easily provide default values ...

     */

    uc->nick = uc->pass = uc->server = uc->channel = uc->topic = NULL;

    uc->port = 6667;

    *buffer = 0;

    fgets (buffer, 512, f);

    token = buffer;

    while (!feof (f)) {

        /*

         * eat trailing tabs

         */

        while (*token == '\t')

            token++;

        /*

         * eat trailing whitespaces

         */

        while (*token == ' ')

            token++;

        token = strtok (token, ":");

        if (token != NULL) {

            value = strtok (NULL, "\n");

            i = 0;

            while (CONFIG_OPTIONS[i] != NULL) {

                if (!strcmp (token, CONFIG_OPTIONS[i])) {

                    line[i] = malloc (strlen (value) + 1);

                    strncpy (line[i], value, strlen (value));

                }

                i++;

            }

        }

        *buffer = 0;

        fgets (buffer, 512, f);

    }

    if (fclose (f) != 0)

        return -1;

    i = 0;

    while (CONFIG_OPTIONS[i] != NULL) {

        if (line[i] != NULL)

            switch (i) {

            case 0:            /* NICK */

                uc->nick = line[i];

                break;

            case 1:            /* PASSWORD */

                uc->pass = line[i];

                break;

            case 2:            /* SERVER */

                uc->server = line[i];

                break;

            case 3:            /* PORT */

                uc->port = atoi (line[i]);

                break;

            case 4:            /* CHANNEL */

                uc->channel = line[i];

                break;

            case 5:            /* TOPIC */

                uc->topic = line[i];

                break;

            }

        i++;

    }

    if (!(uc->nick && uc->pass && uc->server && uc->channel))

        return -2;

    return 0;

}