local Luan = require "luan:Luan.luan"
local error = Luan.error
local String = require "luan:String.luan"
local trim = String.trim or error()
local regex = String.regex or error()
local contains = String.contains or error()
local Table = require "luan:Table.luan"
local concat = Table.concat or error()
local Http = require "luan:http/Http.luan"
local Logging = require "luan:logging/Logging.luan"
local logger = Logging.logger "error_log.js"


local bad_agents = {
	[[Googlebot]]
	[[GSA/]]
	[[Mobile/15E148 Instagram]]
	[[Firefox/]]
	[[VivoBrowser/]]
	[[Chrome/(4\d|5\d|70|83|86|87|94)\.]]
	[[musical_ly_2\d\.]]
}
local bad_agents_ptn = regex(concat(bad_agents,"|"))

local bad_contents = {
	[[\Qchrome-extension://\E]]
	[[\Q@webkit-masked-url://hidden/\E]]
	[[\Qanalytics.tiktok.com\E]]
	[[\QStrict mode does not allow function declarations in a lexically nested statement.\E]]
	[[\QFailed to set the 'currentTime' property on 'HTMLMediaElement': The provided double value is non-finite.\E]]
	[[\QThe element has no supported sources.\E]]
	[[\QThe play() request was interrupted by a call to pause().\E]]
	[[\QReferenceError: Can't find variable: _AutofillCallbackHandler\E]]
	[[\QUtilityScript\E]]
	[[\QscrollReadRandom\E]]
	[[\QdoGameClick\E]]
	[[\Qurl = undefined\E]]
	[[\QFailed to set remote answer sdp: The order of m-lines in answer doesn't match order in offer. Rejecting answer.\E]]
}
local bad_contents_ptn = regex(concat(bad_contents,"|"))

local function priority(err)
	local agent = Http.request.headers["user-agent"]
	if agent~=nil and bad_agents_ptn.matches(agent) then return "info" end
	if bad_contents_ptn.matches(err) then return "info" end
	local x_requested_with = Http.request.headers["X-Requested-With"]
	if x_requested_with ~= nil then
		return "info"
	end
	return "error"
end

return function()
	local err = Http.request.parameters.err
	if err == nil then
		return  -- stupid bots
	end
	local call = priority(err)
	logger[call](trim(err).."\n"..trim(Http.request.raw_head).."\n")
end