#include <sourcemod>

new String:badNames[255][64];
new String:goodSteams[255][32];
new String:fileName[PLATFORM_MAX_PATH];
new lines, adminLines;
new Handle:bnb_bantime;
new Handle:bnb_allowimmun;
new Handle:bnb_reason;
new Handle:bnb_log;
new Handle:logFile;
new bool:EventsHooked = false

#define PLUGIN_VERSION "1.45"

public Plugin:myinfo = {
   name = "Bad name ban",
   author = "vIr-Dan",
   description = "Kicks/bans anybody with a bad phrase in their name",
   version = PLUGIN_VERSION,
   url = "http://dansbasement.us/"
};

public OnPluginStart()
{
   bnb_reason = CreateConVar("sm_bnb_reason", "Bad name", "Reason to give client when they are kicked/banned")
   bnb_bantime = CreateConVar("sm_bnb_bantime", "-1", "How long to ban someone with a bad phrase in their name (0 = perm, -1 = kick)");
   bnb_allowimmun = CreateConVar("sm_bnb_allow_immun", "1", "Whether or not to allow bnb immunity via bnb_whitelist.ini")
   bnb_log = CreateConVar("sm_bnb_log", "1", "Whether or not to log bnb kicks to an external file")
   CreateConVar("sm_bnb_version", PLUGIN_VERSION, "Bad name banning version", FCVAR_PLUGIN|FCVAR_SPONLY|FCVAR_REPLICATED|FCVAR_NOTIFY)
     
   decl String:ctime[64]
   FormatTime(ctime, 64, "logs/bnb_log_%m%d%Y.log");
   new String:logFileName[PLATFORM_MAX_PATH];
   BuildPath(Path_SM, logFileName, sizeof(logFileName), ctime);
   logFile = OpenFile(logFileName, "a+t");
   if (logFile == INVALID_HANDLE)
   {
    LogError("Could not open log file: %s", logFileName);
   }
}

public OnPluginEnd(){
   CloseHandle(logFile);
}

public OnMapStart(){
   for(new i; i < lines; i++){
    badNames[i] = ""
   }
   for(new i; i < adminLines; i++){
    goodSteams[i] = ""
   }
   lines = 0
   adminLines = 0
   //If there is something wrong with the config, don't do anything until next map
   if(ReadConfig() && !EventsHooked ){
    //Hook events
    HookEvent("player_activate", checkName)
    HookEvent("player_changename", checkName)
    EventsHooked = true
   }
}

public bool:ReadConfig()
{
   BuildPath(Path_SM, fileName, sizeof(fileName), "configs/bad_names.ini");
   new Handle:file = OpenFile(fileName, "rt");
   if (file == INVALID_HANDLE)
   {
    LogError("Could not open bad name config file: %s", fileName);
    return false;
   }

   while (!IsEndOfFile(file))
   {
    decl String:line[64]
    if (!ReadFileLine(file, line, sizeof(line)))
    {
     break;
    }
      
    TrimString(line)
    ReplaceString(line, 64, " ", "")
    if (strlen(line) == 0 || (line[0] == '/' && line[1] == '/'))
    {
     continue;
    }
      
    //Add the line to the list of badNames
    strcopy(badNames[lines], sizeof(badNames[]), line)
    lines++
      
   }
   LogMessage("Bad name config read, %i lines total", lines)
   if(GetConVarInt(bnb_allowimmun) == 1){
    return ReadAdminConfig();
   }
   CloseHandle(file);
   return true;
}

public bool:ReadAdminConfig()
{
   BuildPath(Path_SM, fileName, sizeof(fileName), "configs/bnb_whitelist.ini");
   new Handle:file = OpenFile(fileName, "rt");
   if (file == INVALID_HANDLE)
   {
    LogError("Could not open bnb whitelist config file: %s", fileName);
    return false;
   }

   while (!IsEndOfFile(file))
   {
    decl String:line[64]
    if (!ReadFileLine(file, line, sizeof(line)))
    {
     break;
    }
      
    TrimString(line)
    if (strlen(line) == 0 || (line[0] == '/' && line[1] == '/'))
    {
     continue;
    }
      
    //Add the line to the list of badNames
    LogMessage("Line %i: %s",adminLines,line)
    strcopy(goodSteams[adminLines], sizeof(goodSteams[]), line)
    adminLines++
      
   }
   LogMessage("Bnb whitelist config read, %i lines total", adminLines)
   CloseHandle(file)
   return true;
}
     
public Action:checkName(Handle:event, const String:name[], bool:dontBroadcast){
   new playerId = GetEventInt(event, "userid")
   new player = GetClientOfUserId(playerId)
     
   //Make sure immunity is even allowed
   if(GetConVarInt(bnb_allowimmun)==1){
    //Check to make sure they are not an admin
    decl String:steamID[32]
    GetClientAuthString(player,steamID,32)
    for(new i; i<adminLines;i++){
     //They are in the whitelist, so don't bother checking
     if(strcmp(steamID,goodSteams[i],true)==0){
      return Plugin_Continue
     }
    }
   }
     
   new String:clientName[64]
   //Check whether they changed their name or are connecting
   if(strcmp(name,"player_changename")==0){
    GetEventString(event, "newname", clientName, 64)
   }else{
    if(!GetClientName(player,clientName,64)){
     return Plugin_Continue
    }
   }
     
   //Trim the spaces out
   ReplaceString(clientName, 64, " ", "")
     
   //Check if they have a bad phrase in their name
   for(new i = 0; i < lines; i++){
    if(StrContains(clientName, badNames[i], false) != -1){
     //Ban/kick the player
     new bantime = GetConVarInt(bnb_bantime)
     if(bantime != -1){
      ServerCommand("banid %i %i", bantime, playerId)
     }
     new String:reason[64]
     GetConVarString(bnb_reason,reason,64)
     ServerCommand("kickid %i %s", playerId, reason)
       
     //Write to log if desired
     if(GetConVarInt(bnb_log) == 1){
      GetClientName(player,clientName,64)
      WriteFileLine(logFile, "%s was kicked/banned for having %s in his name", clientName, badNames[i])
     }
    }   
   }
   return Plugin_Continue
}