---------------

--  Options  --

---------------

options.timeout = 120

options.subscribe = true

options.cache = true

options.close = false

options.expunge = true

options.recover = 'all'

options.info = false

options.keepalive = 15

--options.starttls = true

options.certificates = false

dofile(os.getenv('HOME') .. '/' .. os.getenv('IMAPACCOUNT') .. '.lua')

dofile(os.getenv('HOME') .. '/' .. os.getenv('IMAPACCOUNT') .. '.credentials.lua')

if account1.connect() == nil then return 2 end

delete_oldest = function (a)

	local r = Set {}

	for _, k in pairs(a.age_table) do

		r = a.account[k.folder]:is_older(k.age) * a.account[k.folder]:is_unflagged()

		if #r > 0 then

			r:delete_messages()

		end

	end

end

-- SYSTÈME D'IMPRESSION

authorized_mails = function ()

	authorized = {}

	dofile(os.getenv('HOME') .. '/authorized.lua')

	local s = ""

	for mail, _ in pairs(authorized) do

		s = s .. "|" .. mail

	end

	return "(" .. string.sub(s, 2) .. ")"

end

set_info = function (subject, from, pdf)

	local info = {

		["colormodel"] = "Gray"               , ["colormodel_hr"] = "niveaux de gris"     ,

		["sides"]      = "two-sided-long-edge", ["sides_hr"]      = "rect-verso bord long",

		["papersize"]  = "a4"                 , ["papersize_hr"]  = "A4"                  ,

		["inputslot"]  = "PF500B"             , ["inputslot_hr"]  = "1"                   ,

		["qty"]        = string.gsub(subject, "^.*impression%s+(%d+).*$", "%1")           ,

		["pdf"]        = pdf                                                              ,

		["prenom"]     = authorized[from].prenom                                          ,

		["phone"]      = authorized[from].phone                                           ,

		["from"]       = from                                                             ,

		["mode"]       = ""                                                               ,

	}

	local options = {

		["court"]   = function () info.sides      = "two-sided-short-edge"; info.sides_hr = "recto-verso bord court"  end,

		["long"]    = function () info.sides      = "two-sided-long-edge";  info.sides_hr = "recto-verso bord long"   end,

		["recto"]   = function () info.sides      = "recto";                info.sides_hr = "recto"                   end,

		["couleur"] = function () info.colormodel = "CMYK";                 info.colormodel_hr = "couleur"            end,

		["gris"]    = function () info.colormodel = "Gray";                 info.colormodel_hr = "niveaux de gris"    end,

		["bac1"]    = function () info.inputslot  = "PF500B";               info.inputslot_hr  = "1"                  end,

		["bac2"]    = function () info.inputslot  = "PF500A";               info.inputslot_hr  = "2"                  end,

		["a4"]      = function () info.papersize  = "a4";                   info.papersize_hr  = "A4"                 end,

		["a3"]      = function () info.papersize  = "a3";                   info.papersize_hr  = "A3"                 end,

		["massicot"]= function () info.mode       = "massicot"                                                        end, 

		["livret"]  = function () info.mode       = "livret"                                                          end,

	}

	if (tonumber(info.qty) > 250) then

		info.qty = 250

	end

	for option in string.gmatch(subject, "[^%s]+") do

		if options[option] then

			options[option]()

		end

	end

	if (info.mode == "massicot") then

		info.papersize    = "a4"

		info.papersize_hr = "A4"

		info.sides        = "two-sided-short-edge"

		info.sides_hr     = "recto-verso bord court"

	end

	if (info.mode == "livret") then

		info.sides        = "two-sided-short-edge"

		info.sides_hr     = "recto-verso bord court"

	end

	if (info.papersize == "a3") then

		info.inputslot    = "PF500A"

		info.inputslot_hr = "2"

	end

	return info

end

generate_script = function (info, spool)

	local script = '"' .. spool .. info.pdf .. '.print"'

	local sedcmd = ""

	for key, value in pairs(info) do

		sedcmd = sedcmd .. "s/__" .. key .. "__/" .. string.gsub(value, "/", "\\/") .. "/g;"

	end

	os.execute("sed '" .. sedcmd:sub(1, -2) .. "' " 

		   .. os.getenv("HOME") .. "/printscript.model > " .. script)

end

inform_user = function (info)

	local print_time, wakeup_time = 9, 9

	for _, wakeup_time in ipairs({9, 11, 16, 18, 21}) do

		if (tonumber(os.date('%H')) < tonumber(wakeup_time)) then

			print_time = wakeup_time

			break

		end

	end

	mode = info.mode ~= "" and ", en mode " .. info.mode or ""

	os.execute("/usr/local/bin/smsapi 'sms pour " .. info.phone

		   .. ":impression de " .. string.gsub(info.pdf, "'", "\\'")

		   .. " prévue pour " .. print_time .. "h ("

		   .. info.qty .. ","

		   .. info.papersize_hr .. ","

		   .. info.sides_hr .. ","

		   .. info.inputslot_hr .. ","

		   .. info.colormodel_hr

		   .. mode

		   .. ")'")

end

set_prints = function (r)

	local results = Set {}

	results = r:match_from(authorized_mails())

	        * r:match_subject("(?i)^impression\\s+\\d")

	for _, mesg in ipairs(results) do 

		mbox, uid = table.unpack(mesg)

		structure = mbox[uid]:fetch_structure()

		for partid, partinf in pairs(structure) do 

			if (partinf.type == "application/pdf") then

				local spool = "/media/nextcloud_db/impression/"

				local info = set_info(

					string.lower(mbox[uid]:fetch_field("subject")),

					string.gsub(mbox[uid]:fetch_field("from"), "^.*<(.+@.+)>.*$", "%1"),

					partinf.name)

				pipe_to("base64 -id > \"" .. spool .. info.pdf .. "\"", mbox[uid]:fetch_part(partid))

				generate_script(info, spool)

				done = table.pack(mbox, uid)

				inform_user(info)

			end

		end

	end

	results:mark_seen()

end

date = os.date('%j')

while true do

	recent = account1.inbox:is_unseen()

	set_prints(recent)

	local date_ = os.date('%j')

	if date ~= date_ then

		delete_oldest(account1)

		date = date_

	end

	account1.inbox:enter_idle()

end