/datum/configuration
	var/server_name = null				// server name (for world name / status)
	var/server_suffix = 0				// generate numeric suffix based on server port

	var/medal_hub = null				// medal hub name
	var/medal_password = null			// medal hub password

	var/log_ooc = 0						// log OOC channek
	var/log_access = 0					// log login/logout
	var/log_say = 0						// log client say
	var/log_admin = 0					// log admin actions
	var/log_game = 0					// log game events
	var/log_vote = 0					// log voting
	var/log_whisper = 0					// log client whisper
	var/sql_enabled = 1					// for sql switching
	var/allow_vote_restart = 0 			// allow votes to restart
	var/allow_vote_mode = 0				// allow votes to change mode
	var/allow_admin_jump = 1			// allows admin jumping
	var/allow_admin_spawning = 1		// allows admin item spawning
	var/allow_admin_rev = 1				// allows admin revives
	var/vote_delay = 600				// minimum time between voting sessions (seconds, 10 minute default)
	var/vote_period = 60				// length of voting period (seconds, default 1 minute)
	var/vote_no_default = 0				// vote does not default to nochange/norestart (tbi)
	var/vote_no_dead = 0				// dead people can't vote (tbi)
	var/enable_authentication = 0		// goon authentication
	var/del_new_on_log = 1				// del's new players if they log before they spawn in
	var/feature_object_spell_system = 0 //spawns a spellbook which gives object-type spells instead of verb-type spells for the wizard
	var/traitor_scaling = 0 //if amount of traitors scales based on amount of players

	var/list/mode_names = list()
	var/list/modes = list()				// allowed modes
	var/list/votable_modes = list()		// votable modes
	var/list/probabilities = list()		// relative probability of each mode
	var/allow_ai = 1					// allow ai job
	var/hostedby = null
	var/respawn = 1
	var/guest_jobban = 1
	var/usewhitelist = 0
	var/kick_inactive = 0				//force disconnect for inactive players
	var/load_jobs_from_txt = 0

	var/server
	var/banappeals

	//game_options.txt configs

	var/health_threshold_crit = 0
	var/health_threshold_dead = -100

	var/revival_pod_plants = 1
	var/revival_cloning = 1
	var/revival_brain_life = -1

/datum/configuration/New()
	var/list/L = typesof(/datum/game_mode) - /datum/game_mode
	for (var/T in L)
		// I wish I didn't have to instance the game modes in order to look up
		// their information, but it is the only way (at least that I know of).
		var/datum/game_mode/M = new T()

		if (M.config_tag)
			if(!(M.config_tag in modes))		// ensure each mode is added only once
				diary << "Adding game mode [M.name] ([M.config_tag]) to configuration."
				src.modes += M.config_tag
				src.mode_names[M.config_tag] = M.name
				src.probabilities[M.config_tag] = M.probability
				if (M.votable)
					src.votable_modes += M.config_tag
		del(M)
	src.votable_modes += "secret"

/datum/configuration/proc/load(filename, type = "config") //the type can also be game_options, in which case it uses a different switch. not making it separate to not copypaste code - Urist
	var/text = file2text(filename)

	if (!text)
		diary << "No [filename] file found, setting defaults"
		src = new /datum/configuration()
		return

	diary << "Reading configuration file [filename]"

	var/list/CL = dd_text2list(text, "\n")

	for (var/t in CL)
		if (!t)
			continue

		t = trim(t)
		if (length(t) == 0)
			continue
		else if (copytext(t, 1, 2) == "#")
			continue

		var/pos = findtext(t, " ")
		var/name = null
		var/value = null

		if (pos)
			name = lowertext(copytext(t, 1, pos))
			value = copytext(t, pos + 1)
		else
			name = lowertext(t)

		if (!name)
			continue

		if(type == "config")
			switch (name)
				if ("log_ooc")
					config.log_ooc = 1

				if ("log_access")
					config.log_access = 1

				if ("sql_enabled")
					config.sql_enabled = text2num(value)

				if ("log_say")
					config.log_say = 1

				if ("log_admin")
					config.log_admin = 1

				if ("log_game")
					config.log_game = 1

				if ("log_vote")
					config.log_vote = 1

				if ("log_whisper")
					config.log_whisper = 1

				if ("allow_vote_restart")
					config.allow_vote_restart = 1

				if ("allow_vote_mode")
					config.allow_vote_mode = 1

				if ("allow_admin_jump")
					config.allow_admin_jump = 1

				if("allow_admin_rev")
					config.allow_admin_rev = 1

				if ("allow_admin_spawning")
					config.allow_admin_spawning = 1

				if ("no_dead_vote")
					config.vote_no_dead = 1

				if ("default_no_vote")
					config.vote_no_default = 1

				if ("vote_delay")
					config.vote_delay = text2num(value)

				if ("vote_period")
					config.vote_period = text2num(value)

				if ("allow_ai")
					config.allow_ai = 1

				if ("authentication")
					config.enable_authentication = 1

				if ("norespawn")
					config.respawn = 0

				if ("servername")
					config.server_name = value

				if ("serversuffix")
					config.server_suffix = 1

				if ("medalhub")
					config.medal_hub = value

				if ("medalpass")
					config.medal_password = value

				if ("hostedby")
					config.hostedby = value

				if ("server")
					config.server = value

				if ("banappeals")
					config.banappeals = value

				if ("guest_jobban")
					config.guest_jobban = 1

				if ("usewhitelist")
					config.usewhitelist = 1

				if ("feature_object_spell_system")
					config.feature_object_spell_system = 1

				if ("traitor_scaling")
					config.traitor_scaling = 1

				if ("probability")
					var/prob_pos = findtext(value, " ")
					var/prob_name = null
					var/prob_value = null

					if (prob_pos)
						prob_name = lowertext(copytext(value, 1, prob_pos))
						prob_value = copytext(value, prob_pos + 1)
						if (prob_name in config.modes)
							config.probabilities[prob_name] = text2num(prob_value)
						else
							diary << "Unknown game mode probability configuration definition: [prob_name]."
					else
						diary << "Incorrect probability configuration definition: [prob_name]  [prob_value]."

				if ("kick_inactive")
					config.kick_inactive = 1

				if("load_jobs_from_txt")
					load_jobs_from_txt = 1

				else
					diary << "Unknown setting in configuration: '[name]'"

		else if(type == "game_options")
			if(!value)
				diary << "Unknown value for setting [name] in [filename]."
			value = text2num(value)

			switch(name)
				if("health_threshold_crit")
					config.health_threshold_crit = value
				if("health_threshold_dead")
					config.health_threshold_dead = value
				if("revival_pod_plants")
					config.revival_pod_plants = value
				if("revival_cloning")
					config.revival_cloning = value
				if("revival_brain_life")
					config.revival_brain_life = value
				else
					diary << "Unknown setting in configuration: '[name]'"

/datum/configuration/proc/loadsql(filename)  // -- TLE
	var/text = file2text(filename)

	if (!text)
		diary << "No dbconfig.txt file found, retaining defaults"
		world << "No dbconfig.txt file found, retaining defaults"
		return

	diary << "Reading database configuration file [filename]"

	var/list/CL = dd_text2list(text, "\n")

	for (var/t in CL)
		if (!t)
			continue

		t = trim(t)
		if (length(t) == 0)
			continue
		else if (copytext(t, 1, 2) == "#")
			continue

		var/pos = findtext(t, " ")
		var/name = null
		var/value = null

		if (pos)
			name = lowertext(copytext(t, 1, pos))
			value = copytext(t, pos + 1)
		else
			name = lowertext(t)

		if (!name)
			continue

		switch (name)
			if ("address")
				sqladdress = value
			if ("port")
				sqlport = value
			if ("database")
				sqldb = value
			if ("login")
				sqllogin = value
			if ("password")
				sqlpass = value
			if ("feedback_database")
				sqlfdbkdb = value
			if ("feedback_login")
				sqlfdbklogin = value
			if ("feedback_password")
				sqlfdbkpass = value
			if ("enable_stat_tracking")
				sqllogging = 1
			else
				diary << "Unknown setting in configuration: '[name]'"

/datum/configuration/proc/loadforumsql(filename)  // -- TLE
	var/text = file2text(filename)

	if (!text)
		diary << "No forumdbconfig.txt file found, retaining defaults"
		world << "No forumdbconfig.txt file found, retaining defaults"
		return

	diary << "Reading forum database configuration file [filename]"

	var/list/CL = dd_text2list(text, "\n")

	for (var/t in CL)
		if (!t)
			continue

		t = trim(t)
		if (length(t) == 0)
			continue
		else if (copytext(t, 1, 2) == "#")
			continue

		var/pos = findtext(t, " ")
		var/name = null
		var/value = null

		if (pos)
			name = lowertext(copytext(t, 1, pos))
			value = copytext(t, pos + 1)
		else
			name = lowertext(t)

		if (!name)
			continue

		switch (name)
			if ("address")
				forumsqladdress = value
			if ("port")
				forumsqlport = value
			if ("database")
				forumsqldb = value
			if ("login")
				forumsqllogin = value
			if ("password")
				forumsqlpass = value
			if ("activatedgroup")
				forum_activated_group = value
			if ("authenticatedgroup")
				forum_authenticated_group = value
			else
				diary << "Unknown setting in configuration: '[name]'"

/datum/configuration/proc/pick_mode(mode_name)
	// I wish I didn't have to instance the game modes in order to look up
	// their information, but it is the only way (at least that I know of).
	for (var/T in (typesof(/datum/game_mode) - /datum/game_mode))
		var/datum/game_mode/M = new T()
		if (M.config_tag && M.config_tag == mode_name)
			return M
		del(M)
	return null

/datum/configuration/proc/get_runnable_modes()
	var/list/datum/game_mode/runnable_modes = new
	for (var/T in (typesof(/datum/game_mode) - /datum/game_mode))
		var/datum/game_mode/M = new T()
		//world << "DEBUG: [T], tag=[M.config_tag], prob=[probabilities[M.config_tag]]"
		if (!(M.config_tag in modes))
			del(M)
			continue
		if (probabilities[M.config_tag]<=0)
			del(M)
			continue
		if (M.can_start())
			runnable_modes[M] = probabilities[M.config_tag]
			//world << "DEBUG: runnable_mode\[[runnable_modes.len]\] = [M.config_tag]"
	return runnable_modes