/* AMX Mod X script.
*   Multilingual System Plugin
*
* by the AMX Mod X Development Team
*
* This file is part of AMX Mod X.
*
*
*  This program is free software; you can redistribute it and/or modify it
*  under the terms of the GNU General Public License as published by the
*  Free Software Foundation; either version 2 of the License, or (at
*  your option) any later version.
*
*  This program is distributed in the hope that it will be useful, but
*  WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
*  General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software Foundation,
*  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*  In addition, as a special exception, the author gives permission to
*  link the code of this program with the Half-Life Game Engine ("HL
*  Engine") and Modified Game Libraries ("MODs") developed by Valve,
*  L.L.C ("Valve"). You must obey the GNU General Public License in all
*  respects for all of the code used other than the HL Engine and MODs
*  from Valve. If you modify this file, you may extend this exception
*  to your version of the file, but you are not obligated to do so. If
*  you do not wish to do so, delete this exception statement from your
*  version.
*/

#include <amxmodx>
#include <amxmisc>

#define DISPLAY_MSG // Comment to disable message on join

new g_menuLang[33][2]
new g_serverLang
new g_langNum
new g_coloredMenus

public plugin_init()
{
  register_plugin("Multi-Lingual System",AMXX_VERSION_STR,"AMXX Dev Team")
  register_dictionary("multilingual.txt")
  register_dictionary("common.txt")
  register_dictionary("languages.txt")
  register_cvar("amx_language","en",FCVAR_SERVER|FCVAR_EXTDLL|FCVAR_SPONLY)
  //Set to zero to disable client effects
  register_cvar("amx_client_languages", "1")
  register_concmd("amx_setlang","cmdLang",ADMIN_CFG,"<language>")
  register_clcmd("amx_langmenu","cmdLangMenu",ADMIN_ALL)
  register_menu("Language Menu",1023,"actionMenu")

  new lang[3]
  if ( vaultdata_exists("server_language") ) {
    get_vaultdata("server_language",lang,2)
  }
  else {
    copy(lang,2,"en")
    set_vaultdata("server_language",lang)
  }
  set_cvar_string("amxx_language",lang)
  g_serverLang = get_lang_id(lang)

  g_langNum = get_langsnum()
  g_coloredMenus = colored_menus()
}

#if defined DISPLAY_MSG
public client_putinserver(id) {
  if (get_cvar_num("amx_client_languages") && !is_user_bot(id))
    set_task(10.0,"dispInfo",id)
}

public client_disconnect(id) {
	remove_task(id)
}

public dispInfo(id)
{
  if (get_cvar_num("amx_client_languages"))
    client_print(id,print_chat,"%L",id,"TYPE_LANGMENU")
}
#endif

public cmdLang(id,level,cid) {
  if (!cmd_access(id,level,cid,2))
    return PLUGIN_HANDLED

  new arg[3]
  read_argv(1,arg,2)

  if ( !lang_exists(arg) ) {
    console_print(id,"[AMXX] %L",id,"LANG_NOT_EXISTS")
    return PLUGIN_HANDLED
  }

  set_vaultdata("server_language",arg)
  set_cvar_string("amxx_language",arg)
  g_serverLang = get_lang_id(arg)

  return PLUGIN_HANDLED
}

public cmdLangMenu(id,level,cid)
{
  new buffer[3]

  if (!get_cvar_num("amx_client_languages"))
  {
	client_print(id, print_console, "[AMXX] %L", LANG_SERVER, "LANG_MENU_DISABLED")
  	return PLUGIN_HANDLED
  }

  get_user_info(id,"lang",buffer,2)

  g_menuLang[id][0] = get_lang_id(buffer)
  g_menuLang[id][1] = g_serverLang

  showMenu(id)

  return PLUGIN_HANDLED
}

showMenu(id)
{
  if (!get_cvar_num("amx_client_languages"))
  	return PLUGIN_HANDLED
  new menuBody[512],pLang[3]

  get_lang(g_menuLang[id][0],pLang)

  new len = format( menuBody,511,(g_coloredMenus ? "\y%L\w^n^n" : "%L^n^n"),id,"LANG_MENU" )
  len += format( menuBody[len],511-len,(g_coloredMenus ? "1. %L\R\r%L\w^n" : "1. %L %L^n"),id,"PERSO_LANG",pLang,"LANG_NAME" )

  if ( access(id,ADMIN_CFG) ) {
    new sLang[3]
    get_lang(g_menuLang[id][1],sLang)
    len += format( menuBody[len],511-len,(g_coloredMenus ? "2. %L\R\r%L\w^n^n" : "2. %L %L^n^n"),id,"SERVER_LANG",sLang,"LANG_NAME" )
    len += format( menuBody[len],511-len,"3. %L",id,"SAVE_LANG" )
  }
  else {
    len += format( menuBody[len],511-len,"^n2. %L",id,"SAVE_LANG" )
  }
  format( menuBody[len],511-len,"^n^n0. %L",id,"EXIT" )

  show_menu(id,MENU_KEY_0|MENU_KEY_1|MENU_KEY_2|MENU_KEY_3,menuBody,-1,"Language Menu")

  return 1
}

public actionMenu(id,key) {
  if (!get_cvar_num("amx_client_languages"))
    return 0

  new isAdmin = access(id,ADMIN_CFG)

  if ( key==0 ) {
    if ( g_menuLang[id][0]<(g_langNum-1) )
      g_menuLang[id][0]++
    else
      g_menuLang[id][0] = 0
    showMenu(id)
  }

  if ( isAdmin && (key==1) ) {
    if ( g_menuLang[id][1]<(g_langNum-1) )
      g_menuLang[id][1]++
    else
      g_menuLang[id][1] = 0
    showMenu(id)
  }

  new pLang[3],pLang_old[3],sLang[3],sLang_old[3],lName[64]
  get_lang(g_menuLang[id][0],pLang)
  get_lang(g_menuLang[id][1],sLang)
  get_user_info(id,"lang",pLang_old,2)
  get_lang(g_serverLang,sLang_old)

  if ( isAdmin && (key==2) && !equali(sLang,sLang_old) ) {
    set_vaultdata("server_language",sLang)
    set_cvar_string("amxx_language",sLang)
    g_serverLang = g_menuLang[id][1]
    format(lName,63,"%L",sLang,"LANG_NAME")
    client_print(id,print_chat,"%L",pLang,"SET_LANG_SERVER",lName)
  }

  if ( !equali(pLang,pLang_old) && ( ( isAdmin && (key==2) ) || ( !isAdmin && (key==1) ) ) ) {
    client_cmd(id,"setinfo ^"lang^" ^"%s^"",pLang)
    format(lName,63,"%L",pLang,"LANG_NAME")
    client_print(id,print_chat,"%L",pLang,"SET_LANG_USER",lName)
  }

  return 0
}

get_lang_id(lang[]) {
  new tLang[3]
  for (new i=0;i<g_langNum;i++) {
    get_lang(i,tLang)
    if ( equali(tLang,lang) )
      return i
  }

  return 0
}