json = require "json"
local media = {}
function pop(cmd)
	local f = assert(io.popen(cmd, 'r'))
	local s = assert(f:read('*a'))
	f:close()
	return s
end

function media.getVideoUrl(yurl)
	if yurl == nil then return 0 end
	local h = hintbox.new{caption="Please Wait ...", text="I'm Thinking."}
	if h then
		h:paint()
	end

	local data = pop("python /usr/bin/yt-dlp --no-check-certificate --dump-single-json " .. yurl)
	local itagnum = 0
	local urls = {}
    media.VideoUrl = nil

	if data then
		local jnTab = json:decode(data)
		if jnTab ~= nil then
			for k,v in pairs(jnTab.formats) do
				if v and v.format and v.quality and v.url then
					itagnum = tonumber(v.format_id)
					if itagnum then
                        urls[itagnum] = v.url
                    end
				end
			end
		end
		local audio = urls[140] or urls[251] or urls[250] or urls[249]
        local maxRes = getMaxVideoRes()
		local video = urls[628]
		if maxRes < 2561 or video == nil then
			video = urls[623] or video
		end
		if maxRes < 1981 or video == nil then
            video = urls[270] or urls[137] or urls[617] or urls[614] or urls[248] or urls[616] or video
		end
		if maxRes < 1281 or video == nil then
			video = urls[22] or urls[232] or urls[136] or urls[612] or urls[609] or urls[247] or video
		end
		if maxRes < 855 or video == nil then
			video = urls[231] or urls[135] or urls[606] or urls[244] or video
		end
		if maxRes < 641 or video == nil then
            video = urls[230] or urls[134] or urls[18] or urls[605] or urls[243] or video
		end
		if audio then
            media.UrlVideoAudio = audio
        end
        if video then
            media.VideoUrl = video
        end
	end
	if h then
		h:hide()
	end
end

return media