#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include "config.h"

time_t last_modified = 0;

struct config config;

int parse_config_directive(char *arg1, char *arg2)
{
	if (strstr(arg1,"blog base"))
	{
		dprintf("[a] blog base is : '%s'\n",get_string(arg2));

		free(config.blog_base);
		config.blog_base = get_string(arg2);
	} else
	if (strstr(arg1,"blog"))
	{
		dprintf("[a] add blog : %s\n",get_string(arg2));

		config.blogs=(char **)realloc( config.blogs,
			(config.nblogs+1)*sizeof(char*));
		config.blogs[config.nblogs]=get_string(arg2);
		config.nblogs++;
	} else
	if (strstr(arg1,"delay") || strstr(arg1,"build"))
	{
		config.delay = get_time(arg2);
		dprintf("[t] delay for rebuilds is : %d\n",config.delay);

	} else
	if (strstr(arg1,"spam"))
	{
		dprintf("[s] antispam filter : %d\n", get_boolean(arg2));
		config.mail = get_boolean(arg2);
	} else
	if (strstr(arg1,"mail"))
	{
		dprintf("[m] remail : %d\n", get_boolean(arg2));

		config.mail = get_boolean(arg2);
	} else
	if (strstr(arg1,"backup"))
	{
		if (strstr(arg1,"directory"))
		{
			free(config.backup_dir);
			//config.backup_dir
		} else {
//
		}
	}

	return 0;
}

int init_config()
{
	config.blog_base = NULL;
	config.spamfilter = 0;
	config.nblogs = 0;
	config.blogs = NULL;
	config.mail = 0;
	config.delay = 2;
}

int reset_config()
{
	while(config.nblogs)
	{
		free(config.blogs[config.nblogs-1]);
		config.nblogs--;
	}

	free(config.blogs);

	config.blogs = malloc(1);
}

int parse_config()
{
	struct stat st;
	FILE *fd;
	char buf[1024];
	char *arg1, *arg2;
	int ret;

	ret = lstat(cfgfile,&st);

	if (ret)
		return -1;

	if (last_modified==0)
	{
		init_config();
	}

	if (last_modified==st.st_mtime)
	{
		return 0;
	} 

	last_modified = st.st_mtime;

	/* read the configure file */
	fd = fopen(cfgfile,"r");
	if (!fd)
		return -1;

	reset_config();
	while(1)
	{
		fgets (buf,1024,fd);
		if (feof(fd)) break;

		/* strip comments */
		for(arg1=buf;*arg1;*arg1++)
			if(*arg1=='#')*arg1='\0';

		arg1 = strtok(buf,":");
		if (!arg1) continue;

		arg2 = strtok(NULL,":");
		if (!arg2) continue;

		arg1[strlen(arg1)]='\0';
		arg2[strlen(arg2)-1]='\0';

		parse_config_directive(arg1,arg2);
	}
	fclose(fd);

	if (config.delay<=0)
		config.delay=1;

	return 1;
}