SUBSYSTEM_DEF(maprotate)
	name = "Maprotate"
	flags = SS_NO_FIRE

	var/rotation_mode = MAPROTATION_MODE_NORMAL_VOTE
	var/setup_done = FALSE

// Debugging purposes. Im not having people change this on the fly.
/datum/controller/subsystem/maprotate/vv_edit_var(var_name, var_value)
	if(((var_name == "rotation_mode") || (var_name == "setup_done")) && !check_rights(R_MAINTAINER))
		return FALSE

	. = ..()

/datum/controller/subsystem/maprotate/Initialize()
	if(!SSdbcore.IsConnected())
		return

	// Make a quick list for number to date lookups
	var/list/days = list("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")

	// Make a map of rotation modes to descriptions
	var/list/rotation_descs = list()
	rotation_descs[MAPROTATION_MODE_NORMAL_VOTE] = "there is normal map voting."
	rotation_descs[MAPROTATION_MODE_NO_DUPLICATES] = "map votes will not include the current map."
	rotation_descs[MAPROTATION_MODE_FULL_RANDOM] = "the map for next round is randomised."

	// Yes. I am using the DB server to get a numerical weekday
	// 0 = Monday
	// 1 = Tuesday
	// 2 = Wednesday
	// 3 = Thursday
	// 4 = Friday
	// 5 = Saturday
	// 6 = Sunday

	var/datum/db_query/dbq = SSdbcore.NewQuery("SELECT WEEKDAY(NOW()) AS d")
	if(!dbq.warn_execute())
		log_startup_progress("Somehow, we failed to extract a numerical day from the DB. ?????????????")
		return

	var/day_index = 0

	// Were gonna increase the DB value by 1 so we have 1-7, therefore we can use 0 as fail

	if(dbq.NextRow())
		day_index = text2num(dbq.item[1]) + 1

	qdel(dbq)

	if(!day_index)
		log_startup_progress("Somehow, we failed to extract a valid numerical day from the DB. ?????????????")
		return


	// String interpolation is faster than num2text() for some reason
	var/dindex_str = "[day_index]"

	// Special is defined for this day
	if(dindex_str in GLOB.configuration.vote.map_vote_day_types)
		var/vote_type = GLOB.configuration.vote.map_vote_day_types[dindex_str]
		// We have an index, but is it valid
		if(vote_type in list(MAPROTATION_MODE_NORMAL_VOTE, MAPROTATION_MODE_NO_DUPLICATES, MAPROTATION_MODE_FULL_RANDOM))
			log_startup_progress("It is [days[day_index]], which means [rotation_descs[vote_type]]")
			rotation_mode = vote_type
			setup_done = TRUE

		// Its not valid
		else
			log_startup_progress("The defined rotation mode for this day is invalid. Please inform AA.")

	// No special defined for this day
	else
		log_startup_progress("There is no special rotation defined for this day")