znc::request final refactored

proc znc:request { nick host handle chan text } {
	global scriptCommandPrefix zncPasswordSecurityLevel zncPasswordLength zncnetworkname zncrealname zncquitmsg zncvhost zncDefaultUserModules zncDefaultNetworkModules usePreconfiguredNetworks
	set username [lindex $text 0]
	set email [lindex $text 1]
	set networkname [lindex $text 2]
	set server [lindex $text 3]
	set port [lindex $text 4]
	if { [llength $email] < 2 || $email == ""} { 
		puthelp "privmsg $chan :Syntax: \"${scriptCommandPrefix}request <username> <email> \<networkname> \<server> <\+\port>\""
		return
	}
  if {[string tolower $networkname] in $bannednetworks} {
		putserv "PRIVMSG $chan :The network \002$networkname\002 is 7BANNED1."
		return
	}
  set password [znc:helpfunction:generatePassword  $zncPasswordSecurityLevel $zncPasswordLength ]
  if [ adduser $username ] {
    setuser $username COMMENT $email
    chattr $username +ZC
    znc:controlpanel:AddUser $username $password
                      znc:controlpanel:Set realname $username $zncrealname
                      znc:controlpanel:Set quitmsg $username $zncquitmsg
                      znc:controlpanel:Set bindhost $username $zncvhost 
    znc:blockuser:block $username
    znc:helpfunction:loadModuleList $username $zncDefaultUserModules
    if { $networkname != ""} {
      set preServer ""
      if { $usePreconfiguredNetworks } {
        set preServer [array names knownNetworks -exact [string tolower $networkname]]
      }
      znc:controlpanel:AddNetwork $username $networkname
      znc:helpfunction:loadNetModuleList $username $networkname $zncDefaultNetworkModules
      if { $preServer != "" } {
        foreach {networkname networkserver} [array get knownNetworks [string tolower $networkname]] {
          znc:controlpanel:AddServer $username $networkname $networkserver 
        }
      } else {
        if { $port != "" } {
          znc:controlpanel:AddServer $username $networkname "$server $port"
        }
      }
    }
    puthelp "privmsg $chan :Success! Your new BNC (with ident: $username) will now be handled by a staff member. If your request is accepted, our bot will e-mail you with your new ZNC details and with login information."
  } else {
    puthelp "privmsg $chan :Sry, but your wanted username is already in use..."
  }
}