# putils



namespace eval ::putils {
  ## some internal variables for messaging and stuff :) not your business after all.

  # if putils-variable (thus, putils!) is already loaded, then .. well .. load again, but, this time, quietly. ;-)
  if {![info exists putils]} {
    putlog "::putils:: paul utils for eggdrop bots in tcl $putils(version) loading..."
  }
  
  # set again .. perhaps we changed version while in development ;) - even while putils was already loaded.
  set putils(version) "0.3"
}


### this "library" supplies the following procedures:

# gets botnick, truncates it and lowercases it. If input-value of a botnick was 
# already correct, then it won't change anything. ;)
proc ::putils::proper_botnick {botnick} {

  set temp [string tolower $botnick]
  # abfrage ob zu lang, dann fixen
  # putlog "::putils:: $botnick lowercase: $temp"
  if {[string length $botnick] > 9} {
    set temp [string range $temp 0 8 ]
    # putlog "::putils:: botnickname $botnick too long: capping to: $temp"
  }
  return $temp

}


proc ::putils::proper_channelname {channelname} {
  # channel names ARE NOT and SHOULD NOT BE CASE SENSITIVE!
  set temp [string tolower $channelname]
  set temp [::putils::umlauts $temp]
  # putlog "::putils:: $channelname lowercase: $temp"

  return $temp
}

# puts out a normal channel message.
proc ::putils::put_local_msg {chan text} {
  
  putserv "PRIVMSG $chan :$text"
  putlog "::putils:: + normal message: ${chan} => '$text'"

}

# puts a NOTICE to a specified nickname with a specified message.
proc ::putils::put_nick {nick msg} { 
  putserv "NOTICE $nick :$msg" 
}


proc ::putils::kill_spaces {text} {
  regsub -all "\\s+" $text "" text 
  return $text
}



# cleans the input text from all irc control codes... and even has
# some spam-protection.
proc ::putils::clean_txt {text} {

  #putlog "filter_A: ${text}"
  #regsub -all "\\" $text "\\\\" text

  # fixes many whitespace between words down to one space between words
  regsub -all "\\s+" $text " " text 

  # filtering out all colorcodes (works well)
  regsub -all "\003\[0-9\]\{1,2\},\[0-9\]\{1,2\}" $text "" text
  regsub -all "\003\[0-9\]\{1,2\}" $text "" text
  regsub -all "\003" $text "" text

  # filtering out BOLD text
  regsub -all "\002" $text "" text

  # underline gets filtered too. (since +c on quakenet would suppress it ...)
  regsub -all "\037" $text "" text


  # replacing like !!!!!!!!!!!!! with !!!!! (5 letters)
  # s/(.?)\1{4,}/\1\1\1\1\1/g;
  # - max 5 same chars in a row
  regsub -all -nocase -expanded {(.)\1\1\1\1+} $text {\1\1\1\1\1} text
  #putlog "test: $text"


  set text [string trim $text]
  # putlog "filter_B: ${text}"
  return $text

}

# replace found umlauts with umlauts.. funny, eh? We have to do this to channel names with
# umlauts, because of some encoding problem inside eggdrop. 
# Afterwards, you can check for channelnames - without errors.
proc ::putils::umlauts {text} {
  # A REAL STRANGE BUG WORKAROUND WITH UMLAUTS
  regsub -all "Ä" ${text} "Ä" text
  regsub -all "Ü" ${text} "Ü" text
  regsub -all "Ö" ${text} "Ö" text

  regsub -all "ä" ${text} "ä" text
  regsub -all "ü" ${text} "ü" text
  regsub -all "ö" ${text} "ö" text

  return ${text}
}


# safe "bot-knows-the-channel-and-is-in-there"-function, returns boolean
proc ::putils::botonchannel {chan} { 
  if {[validchan $chan] == 1 && [botonchan $chan] == 1} {
    return 1
  } else {
    return 0
  }
}

return 1