--[[

        usr_nick_prefix.lua v0.06 by blastbeat

        - this script adds a prefix to the nick of an user
        - you can use the prefix table to define different prefixes for different user levels
        - TODO: onInf ( nick change, etc )

        - changelog 0.06:
          - no white spaces anymore

        - changelog 0.05:
          - updated script api

        - changelog 0.04:
          - updated script api, fixed bugs

]]--

--// settings begin //--

local default = hub.escapeto "[UNKNOWN]"    -- default nick prefix
local prefix_table = {

    --// [ user_level ] = level_prefix, //--

    [ 0 ] = "[UNREG]",
    [ 10 ] = "[GUEST]",
    [ 20 ] = "[REG]",
    [ 30 ] = "[VIP]",
    [ 40 ] = "[SVIP]",
    [ 60 ] = "[OPERATOR]",
    [ 80 ] = "[ADMIN]",
    [ 100 ] = "[HUBOWNER]",

}

--// settings end //--

local utf_len = utf.len
local utf_sub = utf.sub

hub.setlistener( "onStart", { },    -- add prefix to already connected users
    function( )
        for sid, user in pairs( hub.getusers( ) ) do
            --if not user:isbot( ) then
                local prefix = prefix_table[ user:level( ) ] or default
                user:updatenick( prefix .. user:nick( ) )
            --end
        end
        return nil
    end
)

hub.setlistener( "onInf", { },    -- add prefix to already connected users
    function( user, cmd )
        if cmd:getnp "NI" then
            local prefix = prefix_table[ user:level( ) ] or default
            user:updatenick( prefix .. user:nick( ) )
            return PROCESSED
        end
        return nil
    end
)

hub.setlistener( "onExit", { },    -- remove prefix on script exit
    function( )
        for sid, user in pairs( hub.getusers( ) ) do
            --if not user:isbot( ) then
                local prefix = prefix_table[ user:level( ) ] or default
                local original_nick = utf_sub( user:nick( ), utf_len( prefix ) + 1, -1 )
                user:updatenick( original_nick, false, true )
            --end
        end
        return nil
    end
)

hub.setlistener( "onConnect", { },    -- add prefix to connecting user
    function( user )
        local prefix = prefix_table[ user:level( ) ] or default
        local bol, err = user:updatenick( prefix .. user:nick( ), true )
        if not bol then
            user:kill( "ISTA 220 " .. hub.escapeto( err ) .. "\n" )
            return PROCESSED
        end
        return nil
    end
)

hub.debug( "** Loaded usr_nick_prefix.lua **" )