--[[
    "cmd_managebans.lua" by Motnahp
    usage: [+!#]managebans showbans|deletebans
    v0.2
    - name change to cmd_managebans.lua
    - added command managebans with parameters deltebans and showbans
    - removed command showbans
    v0.1 ( cmd_showbans.lua )
    - on command "showbans" it shows all bans in pm msg

]]--

--[[ Settings ]]-- 

-- nicht Editieren -- do not edit --

local scriptname = "cmd_managebans"
local scriptversion = "0.2"

local hubcmd

-- cmd --
local cmd = "managebans"

-- parameters --
local prm1 = "showbans"
local prm2 = "deltebans"

-- caching table lookups --
local utf_format = utf.format
local util_savearray = util.savearray
local hub_bot = hub.getbot()

-- local tabel and storage path -- 
local bans_path = "scripts/cmd_ban/bans.tbl"
local t_bans = util.loadtable( bans_path ) or { }

-- load lang file
local scriptlang = cfg.get "language"
local lang, err = cfg.loadlanguage(scriptlang, scriptname); err = err and hub.debug(err)

-- functions --
local showbans
local deletebans
local unknown
local get_timezone

-- labels --
local lblNick = lang.lblNick or " Nick: "
local lblCid = lang.lblCid or " CID: "
local lblIp = lang.lblIp or " IP: "
local lblReason = lang.lblReason or " Reason: "
local lblBy = lang.lblBy or " banned by: "
local lblTime = lang.lblTime or " banned till: "


-->> nachfolgende Settings sind editierbar -->> you may edit the following settings -->>

-- permissions --
local min_level_showbans = 60
local min_level_deletebans = 100

-- help --
local help_title = lang.help_title or "Manage bans"
local help_usage = lang.help_usage or "[+!#]managebans showbans|deletebans"
local help_desc = lang.help_desc or "Allows you to see all bans (level 60)  or to delete all bans (level 100)"

-- error msgs --
local msg_denied = lang.denied or "You are not allowed to use this command."
local msg_unknown = "\n"..help_title.."\n"..help_usage.."\n"..help_desc

-- msgs --
local msg_showbans = lang.msg_showbans or "\nThe bans:\n"
local msg_deletebans = lang.msg_deletebans or "All bans were deleted."

-- ucmd menu --
local ucmd_menu_prm1 = lang.ucmd_menu_prm1 or { "Hub", "Manage bans", "show banned users"}
local ucmd_menu_prm2 = lang.ucmd_menu_prm2 or { "Hub", "Manage bans", "delete all bans"}


--<< ende des editierbaren Teils --<< end of editable settings --<<


--[[   Code   ]]--     

local onbmsg = function( user, adccmd, parameters)
	local user_level = user:level( )
    local id = utf.match(parameters, "^(%S+)$")
    if id == prm1 then
        if user_level < min_level_showbans then 
            user:reply( msg_denied, hub_bot ) 
        else
            user:reply( showbans( ), hub_bot, hub_bot )
        end 
    elseif id == prm2 then
        if user_level < min_level_deletebans then 
            user:reply( msg_denied, hub_bot ) 
        else
            user:reply( deletebans( ), hub_bot )
            hub.restartscripts( )
        end  
    else 
        user:reply( unknown( ), hub_bot, hub_bot)
    end
    return PROCESSED

end

hub.setlistener( "onStart", { },
    function( )
        local help = hub.import "cmd_help"
        if help then
            help.reg( help_title, help_usage, help_desc, min_level_showbans )    -- reg help
        end
        local ucmd = hub.import "etc_usercommands"    -- add usercommand
        if ucmd then
            ucmd.add( ucmd_menu_prm1, cmd, { prm1}, { "CT1" }, min_level_showbans )
            ucmd.add( ucmd_menu_prm2, cmd, { prm2}, { "CT1" }, min_level_deletebans )
        end
        hubcmd = hub.import "etc_hubcommands"    -- add hubcommand
        assert( hubcmd )
        assert( hubcmd.add( cmd, onbmsg ) )
        return nil
    end
)

-- functions --


showbans = function (  ) 
    local t_bans = util.loadtable( bans_path ) or { }
	local msg = msg_showbans
		
	for i, banstbl in ipairs( t_bans ) do
        local t = os.date("!*t", tonumber(banstbl.start + banstbl.time + get_timezone()))
        local endtime = string.format("%s.%s.%s / %s:%s", t.day, t.month, t.year, t.hour, t.min)
		msg = msg.."\n ["..i.."]\n\t"..
            lblNick.."\t"..banstbl.nick.."\n\t"..
            lblCid.."\t"..banstbl.cid.."\n\t"..
            lblIp.."\t"..banstbl.ip.."\n\t"..
            lblReason.."\t"..banstbl.reason.."\n\t"..
            lblBy.."\t"..banstbl.by_nick.."\n\t"..
            lblTime.."\t"..endtime.."\n"
    end
	return msg
end

deletebans = function ( )
   local msg = msg_deletebans
   t_bans = { }
   util_savearray( t_bans, bans_path )
   return msg 
end

unknown = function( )
	return msg_unknown
end

-- Compute the difference in seconds between local time and UTC.
function get_timezone()
  local now = os.time()
  return os.difftime(os.time(os.date("*t", now)), os.time(os.date("!*t", now)))
end

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

--[[   End    ]]--