#include "stdafx.h"

static int lua_Paste(lua_State *L)
{
	MCONTACT hContact = luaL_checkinteger(L, 1);
	ptrT text(mir_utf8decodeT(luaL_checkstring(L, 2)));

	MessageWindowInputData mwid = { sizeof(MessageWindowInputData) };
	mwid.hContact = hContact;
	mwid.uFlags = MSG_WINDOW_UFLAG_MSG_BOTH;

	MessageWindowData mwd = { sizeof(MessageWindowData) };

	INT_PTR res = ::CallService(MS_MSG_GETWINDOWDATA, (WPARAM)&mwid, (LPARAM)&mwd);
	lua_pushinteger(L, res);
	if (res)
		return 1;

	HWND hEdit = GetDlgItem(mwd.hwndWindow, 1002 /*IDC_MESSAGE*/);
	if (!hEdit) hEdit = GetDlgItem(mwd.hwndWindow, 1009 /*IDC_CHATMESSAGE*/);

	SendMessage(hEdit, EM_REPLACESEL, TRUE, (LPARAM)text);

	return 1;
}

static int lua_Send(lua_State *L)
{
	MCONTACT hContact = luaL_checkinteger(L, 1);
	ptrT text(mir_utf8decodeT(luaL_checkstring(L, 2)));

	MessageWindowInputData mwid = { sizeof(MessageWindowInputData) };
	mwid.hContact = hContact;
	mwid.uFlags = MSG_WINDOW_UFLAG_MSG_BOTH;

	MessageWindowData mwd = { sizeof(MessageWindowData) };

	INT_PTR res = ::CallService(MS_MSG_GETWINDOWDATA, (WPARAM)&mwid, (LPARAM)&mwd);
	lua_pushinteger(L, res);
	if (res)
		return 1;

	HWND hEdit = GetDlgItem(mwd.hwndWindow, 1002 /*IDC_MESSAGE*/);
	if (!hEdit) hEdit = GetDlgItem(mwd.hwndWindow, 1009 /*IDC_CHATMESSAGE*/);

	SendMessage(hEdit, EM_REPLACESEL, TRUE, (LPARAM)text);
	SendMessage(mwd.hwndWindow, WM_COMMAND, IDOK, 0);

	return 1;
}

int MsgWindowEventHookEventObjParam(void *obj, WPARAM wParam, LPARAM lParam, LPARAM param)
{
	lua_State *L = (lua_State*)obj;

	int ref = param;
	lua_rawgeti(L, LUA_REGISTRYINDEX, ref);

	lua_pushnumber(L, wParam);

	MessageWindowEventData *ev = (MessageWindowEventData*)lParam;

	lua_newtable(L);
	lua_pushliteral(L, "Module");
	lua_pushstring(L, ptrA(mir_utf8encode(ev->szModule)));
	lua_settable(L, -3);
	lua_pushliteral(L, "Type");
	lua_pushinteger(L, ev->uType);
	lua_settable(L, -3);
	lua_pushliteral(L, "hContact");
	lua_pushinteger(L, ev->hContact);
	lua_settable(L, -3);
	lua_pushliteral(L, "Flags");
	lua_pushinteger(L, ev->uFlags);
	lua_settable(L, -3);

	if (lua_pcall(L, 2, 1, 0))
		printf("%s\n", lua_tostring(L, -1));

	int res = (int)lua_tointeger(L, 1);

	return res;
}

static int lua_OnMsgWindowEvent(lua_State *L)
{
	if (!lua_isfunction(L, 1))
	{
		lua_pushlightuserdata(L, NULL);
		return 1;
	}

	lua_pushvalue(L, 1);
	int ref = luaL_ref(L, LUA_REGISTRYINDEX);

	HANDLE res = ::HookEventObjParam(ME_MSG_WINDOWEVENT, MsgWindowEventHookEventObjParam, L, ref);
	lua_pushlightuserdata(L, res);

	CMLua::Hooks.insert(res);
	CMLua::HookRefs.insert(new HandleRefParam(L, res, ref));

	return 1;
}

static luaL_Reg messageApi[] =
{
	{ "Paste", lua_Paste },
	{ "Send", lua_Send },

	{ "OnMsgWindowEvent", lua_OnMsgWindowEvent },

	{ NULL, NULL }
};

LUAMOD_API int luaopen_m_message(lua_State *L)
{
	luaL_newlib(L, messageApi);

	return 1;
}