/* Copyright (C) 2007 Timo Sirainen, LGPLv2.1 */

/*
   export DOVECOT=~/src/dovecot-1.0.0
   gcc -fPIC -shared -Wall -I$DOVECOT -I$DOVECOT/src/lib \
     -I$DOVECOT/src/lib-storage -I$DOVECOT/src/lib-mail \
     -I$DOVECOT/src/lib-imap -DHAVE_CONFIG_H \
     autocreate-plugin.c -o autocreate_plugin.so

   Usage:

   plugin {
     autocreate = Trash
     autocreate2 = Spam
     #autocreate3 = ..etc..
     autosubscribe = Trash
     autosubscribe2 = Spam
     #autosubscribe3 = ..etc..
   }
*/

#include "lib.h"
#include "mail-storage-private.h"

#include <stdlib.h>

/* defined by imap, pop3, lda */
extern void (*hook_mail_storage_created)(struct mail_storage *storage);

const char *autocreate_plugin_version = PACKAGE_VERSION;

static void (*autocreate_next_hook_mail_storage_created)
	(struct mail_storage *storage);

static void autocreate_mailboxes(struct mail_storage *storage)
{
	char env_name[20];
	const char *env;
	unsigned int i;

	i = 1;
	env = getenv("AUTOCREATE");
	while (env != NULL) {
		(void)mail_storage_mailbox_create(storage, env, FALSE);
		i_snprintf(env_name, sizeof(env_name), "AUTOCREATE%d", ++i);
		env = getenv(env_name);
	}
}

static void autosubscribe_mailboxes(struct mail_storage *storage)
{
	char env_name[20];
	const char *env;
	unsigned int i;

	i = 1;
	env = getenv("AUTOSUBSCRIBE");
	while (env != NULL) {
		(void)mail_storage_set_subscribed(storage, env, TRUE);
		i_snprintf(env_name, sizeof(env_name), "AUTOSUBSCRIBE%d", ++i);
		env = getenv(env_name);
	}
}

static void autocreate_mail_storage_created(struct mail_storage *storage)
{
	if (autocreate_next_hook_mail_storage_created != NULL)
		autocreate_next_hook_mail_storage_created(storage);

	if ((storage->flags & MAIL_STORAGE_FLAG_SHARED_NAMESPACE) == 0) {
		autocreate_mailboxes(storage);
		autosubscribe_mailboxes(storage);
	}
}

void autocreate_plugin_init(void);
void autocreate_plugin_deinit(void);

void autocreate_plugin_init(void)
{
	autocreate_next_hook_mail_storage_created = hook_mail_storage_created;
	hook_mail_storage_created = autocreate_mail_storage_created;
}

void autocreate_plugin_deinit(void)
{
	hook_mail_storage_created = autocreate_next_hook_mail_storage_created;
}