var/datum/controller/subsystem/vote/SSvote

/datum/controller/subsystem/vote
	name = "Voting"
	wait = 1 SECOND
	flags = SS_KEEP_TIMING | SS_FIRE_IN_LOBBY | SS_NO_TICK_CHECK
	priority = SS_PRIORITY_VOTE

	var/next_transfer_time

	var/initiator = null
	var/started_time = null
	var/time_remaining = 0
	var/mode = null
	var/question = null
	var/list/choices = list()
	var/list/gamemode_names = list()
	var/list/voted = list()
	var/list/voting = list()
	var/list/current_votes = list()
	var/list/additional_text = list()
	var/auto_muted = 0
	var/last_transfer_vote = null

	var/list/round_voters = list()

/datum/controller/subsystem/vote/New()
	NEW_SS_GLOBAL(SSvote)

/datum/controller/subsystem/vote/Initialize(timeofday)
	next_transfer_time = config.vote_autotransfer_initial

/datum/controller/subsystem/vote/fire(resumed = FALSE)
	if (mode)
		// No more change mode votes after the game has started.
		if(mode == "gamemode" && ROUND_IS_STARTED)
			world << "<b>Voting aborted due to game start.</b>"
			src.reset()
			return

		// Calculate how much time is remaining by comparing current time, to time of vote start,
		// plus vote duration
		time_remaining = round((started_time + config.vote_period - world.time)/10)

		if(time_remaining < 0)
			result()
			for(var/client/C in voting)
				if(C)
					if (C.vote_window)
						C.vote_window.close()
					else
						log_debug("SSvote: Client [C] had no vote_window but was in voting list!")

			reset()
		else
			for(var/client/C in voting)
				if(C)
					if (C.vote_window)
						C.vote_window.open()
					else
						log_debug("SSvote: Client [C]'s vote_window was missing!")
						setup_vote_window(C)
						C.vote_window.open()

			voting.Cut()

	if (world.time >= next_transfer_time - 600)
		autotransfer()
		next_transfer_time += config.vote_autotransfer_interval

/datum/controller/subsystem/vote/proc/autotransfer()
	initiate_vote("crew_transfer","the server", 1)
	log_debug("The server has called a crew transfer vote")

/datum/controller/subsystem/vote/proc/autogamemode()
	initiate_vote("gamemode","the server", 1)
	log_debug("The server has called a gamemode vote")

/datum/controller/subsystem/vote/proc/reset()
	initiator = null
	time_remaining = 0
	mode = null
	question = null
	choices.Cut()
	voted.Cut()
	voting.Cut()
	current_votes.Cut()
	additional_text.Cut()

/datum/controller/subsystem/vote/proc/get_result()
	//get the highest number of votes
	var/greatest_votes = 0
	var/total_votes = 0
	for(var/option in choices)
		var/votes = choices[option]
		total_votes += votes
		if(votes > greatest_votes)
			greatest_votes = votes
	//default-vote for everyone who didn't vote
	if(!config.vote_no_default && choices.len)
		var/non_voters = (clients.len - total_votes)
		if(non_voters > 0)
			if(mode == "restart")
				choices["Continue Playing"] += non_voters
				if(choices["Continue Playing"] >= greatest_votes)
					greatest_votes = choices["Continue Playing"]
			else if(mode == "gamemode")
				if(master_mode in choices)
					choices[master_mode] += non_voters
					if(choices[master_mode] >= greatest_votes)
						greatest_votes = choices[master_mode]
			else if(mode == "crew_transfer")
				var/factor = 0.5
				switch(world.time / (10 * 60)) // minutes
					if(0 to 60)
						factor = 0.5
					if(61 to 120)
						factor = 0.8
					if(121 to 240)
						factor = 1
					if(241 to 300)
						factor = 1.2
					else
						factor = 1.4
				choices["Initiate Crew Transfer"] = round(choices["Initiate Crew Transfer"] * factor)
				world << "<font color='purple'>Crew Transfer Factor: [factor]</font>"
				greatest_votes = max(choices["Initiate Crew Transfer"], choices["Continue The Round"])

	if(mode == "crew_transfer")
		if(round(world.time / 36000)+12 <= 14)
			// Credit to Scopes @ oldcode.
			world << "<font color='purple'><b>Majority voting rule in effect. 2/3rds majority needed to initiate transfer.</b></font>"
			choices["Initiate Crew Transfer"] = round(choices["Initiate Crew Transfer"] - round(total_votes / 3))
			greatest_votes = max(choices["Initiate Crew Transfer"], choices["Continue The Round"])

	//get all options with that many votes and return them in a list
	. = list()
	if(greatest_votes)
		for(var/option in choices)
			if(choices[option] == greatest_votes)
				. += option

/datum/controller/subsystem/vote/proc/announce_result()
	var/list/winners = get_result()
	var/text
	if(winners.len > 0)
		if(winners.len > 1)
			if(mode != "gamemode" || SSticker.hide_mode == 0) // Here we are making sure we don't announce potential game modes
				text = "<b>Vote Tied Between:</b>\n"
				for(var/option in winners)
					text += "\t[option]\n"
		. = pick(winners)

		for(var/key in current_votes)
			if(choices[current_votes[key]] == .)
				round_voters += key // Keep track of who voted for the winning round.
		if((mode == "gamemode" && . == "Extended") || SSticker.hide_mode == 0) // Announce Extended gamemode, but not other gamemodes
			text += "<b>Vote Result: [.]</b>"
		else
			if(mode != "gamemode")
				text += "<b>Vote Result: [.]</b>"
			else
				text += "<b>The vote has ended.</b>" // What will be shown if it is a gamemode vote that isn't extended

	else
		text += "<b>Vote Result: Inconclusive - No Votes!</b>"
		if(mode == "add_antagonist")
			antag_add_failed = 1
	log_vote(text)
	world << "<font color='purple'>[text]</font>"

/datum/controller/subsystem/vote/proc/result()
	. = announce_result()
	var/restart = 0
	if(.)
		switch(mode)
			if("restart")
				if(. == "Restart Round")
					restart = 1
			if("gamemode")
				if(master_mode != .)
					world.save_mode(.)
					if(SSticker.mode)
						restart = 1
					else
						master_mode = .
			if("crew_transfer")
				if(. == "Initiate Crew Transfer")
					init_shift_change(null, 1)
				last_transfer_vote = world.time
			if("add_antagonist")
				if(isnull(.) || . == "None")
					antag_add_failed = 1
				else
					additional_antag_types |= antag_names_to_ids[.]

	if(mode == "gamemode") //fire this even if the vote fails.
		if(!round_progressing)
			round_progressing = 1
			world << "<font color='red'><b>The round will start soon.</b></font>"

	if(restart)
		world << "World restarting due to vote..."
		feedback_set_details("end_error","restart vote")
		sleep(50)
		log_game("Rebooting due to restart vote")
		world.Reboot()

/datum/controller/subsystem/vote/proc/submit_vote(ckey, vote)
	if(mode)
		if (mode == "crew_transfer")
			if(config.vote_no_dead && usr && !usr.client.holder)
				if (isnewplayer(usr))
					usr << "<span class='warning'>You must be playing or have been playing to start a vote.</span>"
					return 0
				else if (isobserver(usr))
					var/mob/dead/observer/O = usr
					if (O.started_as_observer)
						usr << "<span class='warning'>You must be playing or have been playing to start a vote.</span>"
						return 0
		if(vote && vote >= 1 && vote <= choices.len)
			if(current_votes[ckey])
				choices[choices[current_votes[ckey]]]--
			voted += usr.ckey
			choices[choices[vote]]++	//check this
			current_votes[ckey] = vote
			return vote
	return 0


/datum/controller/subsystem/vote/proc/initiate_vote(vote_type, initiator_key, automatic = FALSE)
	if(!mode)
		if(started_time != null && !(check_rights(R_ADMIN|R_MOD) || automatic))
			// Transfer votes are their own little special snowflake
			var/next_allowed_time = 0
			if (vote_type == "crew_transfer")
				if (config.vote_no_dead && !usr.client.holder)
					if (isnewplayer(usr))
						usr << "<span class='warning'>You must be playing or have been playing to start a vote.</span>"
						return 0
					else if (isobserver(usr))
						var/mob/dead/observer/O = usr
						if (O.started_as_observer)
							usr << "<span class='warning'>You must be playing or have been playing to start a vote.</span>"
							return 0

				if (last_transfer_vote)
					next_allowed_time = (last_transfer_vote + config.vote_delay)
				else
					next_allowed_time = config.transfer_timeout
			else
				next_allowed_time = (started_time + config.vote_delay)

			if(next_allowed_time > world.time)
				return 0

		reset()
		switch(vote_type)
			if("restart")
				choices.Add("Restart Round","Continue Playing")
			if("gamemode")
				if(SSticker.current_state >= 2)
					return 0
				choices.Add(config.votable_modes)
				for (var/F in choices)
					var/datum/game_mode/M = gamemode_cache[F]
					if(!M)
						continue
					gamemode_names[M.config_tag] = capitalize(M.name) //It's ugly to put this here but it works
					additional_text.Add("<td align = 'center'>[M.required_players]</td>")
				gamemode_names[ROUNDTYPE_STR_SECRET] = "Secret"
				gamemode_names[ROUNDTYPE_STR_MIXED_SECRET] = "Mixed Secret"
			if("crew_transfer")
				if(check_rights(R_ADMIN|R_MOD, 0))
					question = "End the shift?"
					choices.Add("Initiate Crew Transfer", "Continue The Round")
				else
					if (get_security_level() == "red" || get_security_level() == "delta")
						initiator_key << "The current alert status is too high to call for a crew transfer!"
						return 0
					if(SSticker.current_state <= 2)
						return 0
						initiator_key << "The crew transfer button has been disabled!"
					question = "End the shift?"
					choices.Add("Initiate Crew Transfer", "Continue The Round")
			if("add_antagonist")
				if(!config.allow_extra_antags || SSticker.current_state >= 2)
					return 0
				for(var/antag_type in all_antag_types)
					var/datum/antagonist/antag = all_antag_types[antag_type]
					if(!(antag.id in additional_antag_types) && antag.is_votable())
						choices.Add(antag.role_text)
				choices.Add("None")
			if("custom")
				question = sanitizeSafe(input(usr,"What is the vote for?") as text|null)
				if(!question)	return 0
				for(var/i=1,i<=10,i++)
					var/option = capitalize(sanitize(input(usr,"Please enter an option or hit cancel to finish") as text|null))
					if(!option || mode || !usr.client)	break
					choices.Add(option)
			else
				return 0
		mode = vote_type
		initiator = initiator_key
		started_time = world.time
		var/text = "[capitalize(mode)] vote started by [initiator]."
		if(mode == "custom")
			text += "\n[question]"

		log_vote(text)
		world << "<font color='purple'><b>[text]</b>\nType <b>vote</b> or click <a href='?src=\ref[src]'>here</a> to place your votes.\nYou have [config.vote_period/10] seconds to vote.</font>"
		for(var/cc in clients)
			var/client/C = cc
			if(C.prefs.asfx_togs & ASFX_VOTE) //Personal mute
				switch(vote_type)
					if("crew_transfer")
						C << sound('sound/effects/vote.ogg', repeat = 0, wait = 0, volume = 50, channel = 3)
					if("gamemode")
						C << sound('sound/ambience/alarm4.ogg', repeat = 0, wait = 0, volume = 50, channel = 3)
					if("custom")
						C << sound('sound/ambience/alarm4.ogg', repeat = 0, wait = 0, volume = 50, channel = 3)
		if(mode == "gamemode" && round_progressing)
			round_progressing = 0
			world << "<font color='red'><b>Round start has been delayed.</b></font>"

		time_remaining = round(config.vote_period/10)
		return 1
	return 0

/datum/controller/subsystem/vote/proc/interface(client/C)
	if(!C)
		return
	var/is_staff = 0
	if(C.holder)
		if(C.holder.rights & (R_ADMIN|R_MOD))
			is_staff = 1
	voting |= C

	. = ""
	if(mode)
		if(question)	. += "<h2>Vote: '[question]'</h2>"
		else			. += "<h2>Vote: [capitalize(mode)]</h2>"
		. += "Time Left: [time_remaining] s<hr>"
		. += "<table width = '100%'><tr><td align = 'center'><b>Choices</b></td><td align = 'center'><b>Votes</b></td>"
		if(capitalize(mode) == "Gamemode") .+= "<td align = 'center'><b>Minimum Players</b></td></tr>"

		for(var/i = 1, i <= choices.len, i++)
			var/votes = choices[choices[i]]
			if(!votes)	votes = 0
			. += "<tr>"
			if(mode == "gamemode")
				if(current_votes[C.ckey] == i)
					. += "<td><b><a href='?src=\ref[src];vote=[i]'>[gamemode_names[choices[i]]]</a></b></td><td align = 'center'>[votes]</td>"
				else
					. += "<td><a href='?src=\ref[src];vote=[i]'>[gamemode_names[choices[i]]]</a></td><td align = 'center'>[votes]</td>"
			else
				if(current_votes[C.ckey] == i)
					. += "<td><b><a href='?src=\ref[src];vote=[i]'>[choices[i]]</a></b></td><td align = 'center'>[votes]</td>"
				else
					. += "<td><a href='?src=\ref[src];vote=[i]'>[choices[i]]</a></td><td align = 'center'>[votes]</td>"
			if (additional_text.len >= i)
				. += additional_text[i]
			. += "</tr>"

		. += "</table><hr>"
		if(is_staff)
			. += "(<a href='?src=\ref[src];vote=cancel'>Cancel Vote</a>) "
	else
		. += "<h2>Start a vote:</h2><hr><ul><li>"
		//restart
		if(is_staff || config.allow_vote_restart)
			. += "<a href='?src=\ref[src];vote=restart'>Restart</a>"
		else
			. += "<font color='grey'>Restart (Disallowed)</font>"
		. += "</li><li>"
		if(is_staff || config.allow_vote_restart)
			if (get_security_level() == "red" || get_security_level() == "delta")
				. += "<a href='?src=\ref[src];vote=crew_transfer'>Crew Transfer (Disallowed, Code Red or above)</a>"
			else
				. += "<a href='?src=\ref[src];vote=crew_transfer'>Crew Transfer</a>"
		else
			. += "<font color='grey'>Crew Transfer (Disallowed)</font>"
		if(is_staff)
			. += "\t(<a href='?src=\ref[src];vote=toggle_restart'>[config.allow_vote_restart?"Allowed":"Disallowed"]</a>)"
		. += "</li><li>"
		//gamemode
		if(is_staff || config.allow_vote_mode)
			. += "<a href='?src=\ref[src];vote=gamemode'>GameMode</a>"
		else
			. += "<font color='grey'>GameMode (Disallowed)</font>"
		if(is_staff)
			. += "\t(<a href='?src=\ref[src];vote=toggle_gamemode'>[config.allow_vote_mode?"Allowed":"Disallowed"]</a>)"
		. += "</li><li>"
		//extra antagonists
		if(!antag_add_failed && config.allow_extra_antags)
			. += "<a href='?src=\ref[src];vote=add_antagonist'>Add Antagonist Type</a>"
		else
			. += "<font color='grey'>Restart (Disallowed)</font>"
		. += "</li>"
		//custom
		if(is_staff)
			. += "<li><a href='?src=\ref[src];vote=custom'>Custom</a></li>"
		. += "</ul><hr>"
	. += "<a href='?src=\ref[src];vote=close' style='position:absolute;right:50px'>Close</a></body></html>"

/datum/controller/subsystem/vote/Topic(href, list/href_list = list(), hsrc)
	if(!usr || !usr.client)
		return	//not necessary but meh...just in-case somebody does something stupid

	switch(href_list["vote"])
		if("close")
			voting -= usr.client
			if (usr.client.vote_window)
				usr.client.vote_window.close()
			else
				log_debug("SSvote: User [usr] had an invalid vote_window, but was the source of a Topic() call!")
			return
		if("cancel")
			if(usr.client.holder)
				reset()
		if("toggle_restart")
			if(usr.client.holder)
				config.allow_vote_restart = !config.allow_vote_restart
		if("toggle_gamemode")
			if(usr.client.holder)
				config.allow_vote_mode = !config.allow_vote_mode
		if("restart")
			if(usr.client.holder)
				initiate_vote("restart",usr.key)
			else if (config.allow_vote_restart)
				var/admin_number_present = 0
				var/admin_number_afk = 0

				for (var/client/X in admins)
					if (X.holder.rights & R_ADMIN)
						admin_number_present++
						if (X.is_afk())
							admin_number_afk++
						if (X.prefs.toggles & SOUND_ADMINHELP)
							X << 'sound/effects/adminhelp.ogg'

				if ((admin_number_present - admin_number_afk) <= 0)
					initiate_vote("restart", usr.key)
				else
					log_and_message_admins("tried to start a restart vote.", usr, null)
					to_chat(usr, "<span class='notice'><b>There are active admins around! You cannot start a restart vote due to this.</b></span>")
		if("gamemode")
			if(config.allow_vote_mode || usr.client.holder)
				initiate_vote("gamemode",usr.key)
		if("crew_transfer")
			if(config.allow_vote_restart || usr.client.holder)
				initiate_vote("crew_transfer",usr.key)
		if("add_antagonist")
			if(config.allow_extra_antags)
				initiate_vote("add_antagonist",usr.key)
		if("custom")
			if(usr.client.holder)
				initiate_vote("custom",usr.key)
		else
			var/t = round(text2num(href_list["vote"]))
			if(t) // It starts from 1, so there's no problem
				submit_vote(usr.ckey, t)
	usr.vote()

/datum/controller/subsystem/vote/proc/setup_vote_window(client/C)
	if (!QDELETED(C.vote_window))
		return

	C.vote_window = new(C.mob, "vote", "Voting")
	C.vote_window.add_head_content("<title>Voting panel</title>")

/mob/verb/vote()
	set category = "OOC"
	set name = "Vote"

	if (!client.vote_window)
		SSvote.setup_vote_window(client)

	var/datum/browser/vote_window = client.vote_window

	vote_window.set_user(src)
	vote_window.set_content(SSvote.interface(client))
	vote_window.open()

/client
	var/tmp/datum/browser/vote_window