--[[

        cmd_errors.lua v0.05 by blastbeat

        - this script adds a command "errors" to get hub errors
        - usage: [+!#]errors

        - changelog 0.05:
          - fixed small bug

        - changelog 0.04:
          - updated script api
          - regged hubcommand

        - changelog 0.03:
          -  some clean ups

        - changelog 0.02:
          - added language files and ucmd

]]--

--// settings begin //--

local scriptname = "cmd_errors"
local scriptlang = cfg.get "language"

local minlevel = 40    -- minimum level to get the help/ucmd

local permission = {    -- who is allowed to use this command?

    [ 0 ] = false,    -- unreg
    [ 10 ] = false,    -- guest
    [ 20 ] = false,    -- reg
    [ 30 ] = false,    -- vip
    [ 40 ] = true,    -- svip
    [ 60 ] = true,    -- operator
    [ 80 ] = true,    -- admin
    [ 100 ] = true,    -- hubowner

}

local cmd = "errors"

--// settings end //--

local utf_match = utf.match

local path = "log/error.log"

local lang, err = cfg.loadlanguage( scriptlang, scriptname ); lang = lang or { }; err = err and hub.debug( err )

local help_title = lang.help_title or "errors"
local help_usage = lang.help_usage or "[+!#]errors"
local help_desc = lang.help_desc or "sends error.log in pm"

local ucmd_menu = lang.ucmd_menu or { "Show error log" }

local msg_denied = lang.msg_denied or "You are not allowed to use this command."

local hubcmd

local onbmsg = function( user, command, parameters )
    if not permission[ user:level( ) ] then
        user:reply( msg_denied, hub.getbot( ) )
        return PROCESSED
    end
    local log
    local file, err = io.open( path, "r" )
    if file then
        log = file:read( "*a" )
        file:close( )
    end
    user:reply( log or " ", hub.getbot( ), hub.getbot( ) )
    return PROCESSED
end

hub.setlistener( "onStart", { },
    function( )
        local help = hub.import "cmd_help"
        if help then
            help.reg( help_title, help_usage, help_desc, minlevel )
        end
        local ucmd = hub.import "etc_usercommands"    -- add usercommand
        if ucmd then
            ucmd.add( ucmd_menu, cmd, { }, { "CT1" }, minlevel )
        end
        hubcmd = hub.import "etc_hubcommands"    -- add hubcommand
        assert( hubcmd )
        assert( hubcmd.add( cmd, onbmsg ) )
        return nil
    end
)

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