/*
 * Copyright (c) 2009, Rambler media
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY Rambler media ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Rambler BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


#include "lua_common.h"
#include "../message.h"

#define LUA_GMIME_BRIDGE_GET(class, name, mime_class)									\
static int																				\
lua_##class##_##name(lua_State *L)														\
{																						\
	GMime##mime_class *obj = lua_check_##class(L);										\
	if (obj != NULL) {																	\
		lua_pushstring (L, g_mime_##class##_##name(obj));								\
	}																					\
	else {																				\
		lua_pushnil (L);																\
	}																					\
	return 1;																			\
}																			

#define LUA_GMIME_BRIDGE_SET(class, name, mime_class)									\
static int																				\
lua_##class##_##name(lua_State *L)														\
{																						\
	const char *str;																	\
	GMime##mime_class *obj = lua_check_##class(L);										\
	if (obj != NULL) {																	\
		str = luaL_checkstring (L, 2);													\
		g_mime_##class##_##name(obj, str);												\
	}																					\
	else {																				\
		lua_pushnil (L);																\
	}																					\
	return 1;																			\
}																			

/*  Message methods */
LUA_FUNCTION_DEF(message, get_subject);
LUA_FUNCTION_DEF(message, set_subject);
LUA_FUNCTION_DEF(message, get_message_id);
LUA_FUNCTION_DEF(message, set_message_id);
LUA_FUNCTION_DEF(message, get_sender);
LUA_FUNCTION_DEF(message, set_sender);
LUA_FUNCTION_DEF(message, get_reply_to);
LUA_FUNCTION_DEF(message, set_reply_to);
LUA_FUNCTION_DEF(message, get_header);
LUA_FUNCTION_DEF(message, set_header);

static const struct luaL_reg msglib_m[] = {
	LUA_INTERFACE_DEF(message, get_subject),
	LUA_INTERFACE_DEF(message, set_subject),
	LUA_INTERFACE_DEF(message, get_message_id),
	LUA_INTERFACE_DEF(message, set_message_id),
	LUA_INTERFACE_DEF(message, get_sender),
	LUA_INTERFACE_DEF(message, set_sender),
	LUA_INTERFACE_DEF(message, get_reply_to),
	LUA_INTERFACE_DEF(message, set_reply_to),
	LUA_INTERFACE_DEF(message, get_header),
	LUA_INTERFACE_DEF(message, set_header),
	{NULL, NULL}
};



static GMimeMessage *
lua_check_message (lua_State *L)
{
	void *ud = luaL_checkudata (L, 1, "Rspamd.message");
	luaL_argcheck (L, ud != NULL, 1, "'message' expected");
	return (GMimeMessage *)ud;
}


/*** Message interface	***/

LUA_GMIME_BRIDGE_GET(message, get_subject, Message)
LUA_GMIME_BRIDGE_SET(message, set_subject, Message)
LUA_GMIME_BRIDGE_GET(message, get_message_id, Message)
LUA_GMIME_BRIDGE_SET(message, set_message_id, Message)
LUA_GMIME_BRIDGE_GET(message, get_sender, Message)
LUA_GMIME_BRIDGE_SET(message, set_sender, Message)
LUA_GMIME_BRIDGE_GET(message, get_reply_to, Message)
LUA_GMIME_BRIDGE_SET(message, set_reply_to, Message)

static int
lua_message_get_header (lua_State *L)
{
	const char *headern;
	GMimeMessage *obj = lua_check_message (L);
	GList *res = NULL, *cur;

	if (obj != NULL) {
		headern = luaL_checkstring (L, 2);
		if (headern) {
			res = message_get_header (NULL, obj, headern);
			if (res) {
				cur = res;
				while (cur) {
					lua_pushstring (L, (const char *)cur->data);
					g_free (cur->data);
					cur = g_list_next (cur);
				}
				g_free (res);
			}
			else {
				lua_pushnil (L);
			}
		}
		else {
			lua_pushnil (L);
		}
	}
	else {
		lua_pushnil (L);
	}

	return 1;
}

static int
lua_message_set_header (lua_State *L)
{
	const char *headern, *headerv;
	GMimeMessage *obj = lua_check_message (L);

	if (obj != NULL) {
		headern = luaL_checkstring (L, 2);
		headerv = luaL_checkstring (L, 3);
		if (headern && headerv) {
			message_set_header (obj, headern, headerv);
		}
		else {
			lua_pushnil (L);
		}
	}
	else {
		lua_pushnil (L);
	}
	
	return 1;
}

int
luaopen_message (lua_State *L)
{
	lua_newclass (L, "Rspamd.message", msglib_m);
	luaL_openlib (L, "message", msglib_m, 0);
    
	return 1;
}