local _M = { }

local log_levels = {
    crit   = "logCritical",
    error  = "logErr",
    warn   = "logWarn",
    notice = "logTrace",
    info   = "logInfo",
    debug  = "logDebug",
}

local _tostring = tostring
local tostring = function(...)
    local t = {}
    for i = 1, select('#', ...) do
        local x = select(i, ...)
        if type(x) == "number" then
            x = round(x, .01)
        end
        t[#t + 1] = _tostring(x)
    end
    return table.concat(t, " ")
end

function _M.new(handle)
    local o = {}
    setmetatable(o, {__index = function(self, cmd)
        local t = getmetatable(handle)
        local method = rawget(t, log_levels[cmd])
        if not method then
            return do_nothing
        end

        return function(...)
            method(handle, tostring(...))
        end
    end})
    return o
end

return _M