#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <ctype.h>

#include <string.h>

#include <glib.h>

#include "settings.h"

#include "utils.h"

//  cfg_file(filename)

// Read and parse config file "filename".  If filename is NULL,

// try to open the configuration file at the default locations.

//

// This function comes from Cabber, and has been slightly modified.

int cfg_file(char *filename)

{

  FILE *fp;

  char *buf;

  char *line;

  char *value;

  if (!filename) {

    // Use default config file locations

    char *home = getenv("HOME");

    if (!home) {

      ut_WriteLog("Can't find home dir!\n");

      exit(EXIT_FAILURE);

    }

    filename = g_new(char, strlen(home)+24);

    sprintf(filename, "%s/.mcabber/mcabberrc", home);

    if ((fp = fopen(filename, "r")) == NULL) {

      // 2nd try...

      sprintf(filename, "%s/.mcabberrc", home);

      if ((fp = fopen(filename, "r")) == NULL) {

        fprintf(stderr, "Cannot open config file!\n");

        exit(EXIT_FAILURE);

      }

    }

    g_free(filename);

  }

  else if ((fp = fopen(filename, "r")) == NULL) {

    perror("fopen (parsecfg.c:46)");

    exit(EXIT_FAILURE);

  }

  buf = g_new(char, 256);

  while (fgets(buf, 256, fp) != NULL) {

    line = buf;

    while (isspace((int) *line))

      line++;

    while ((strlen(line) > 0)

	   && isspace((int) line[strlen(line) - 1]))

      line[strlen(line) - 1] = '\0';

    if ((*line == '\n') || (*line == '\0') || (*line == '#'))

      continue;

    if ((strchr(line, '=') != NULL)) {

      value = strchr(line, '=');

      *value = '\0';

      value++;

      while (isspace((int) *value))

	value++;

      while ((strlen(line) > 0)

	     && isspace((int) line[strlen(line) - 1]))

	line[strlen(line) - 1] = '\0';

      settings_set(SETTINGS_TYPE_OPTION, line, value);

      continue;

    }

    fprintf(stderr, "CFG: orphaned line \"%s\"\n", line);

  }

  g_free(buf);

  return 1;

}