/datum/game_mode
	var/traitor_name = "traitor"
	var/list/datum/mind/traitors = list()

	var/datum/mind/exchange_red
	var/datum/mind/exchange_blue

/datum/game_mode/traitor
	name = "traitor"
	config_tag = "traitor"
	report_type = "traitor"
	antag_flag = ROLE_TRAITOR
	false_report_weight = 20 //Reports of traitors are pretty common.
	restricted_jobs = list("Cyborg")//They are part of the AI if he is traitor so are they, they use to get double chances
	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Brig Physician") //YOGS -  added the hop and brig physician
	required_players = 0
	required_enemies = 1
	recommended_enemies = 4
	reroll_friendly = 1
	enemy_minimum_age = 0
	title_icon = "traitor"

	announce_span = "danger"
	announce_text = "There are Syndicate agents on the station!\n\
	<span class='danger'>Traitors</span>: Accomplish your objectives.\n\
	<span class='notice'>Crew</span>: Do not let the traitors succeed!"

	var/list/datum/mind/pre_traitors = list()
	var/traitors_possible = 4 //hard limit on traitors if scaling is turned off
	var/num_modifier = 0 // Used for gamemodes, that are a child of traitor, that need more than the usual.
	var/antag_datum = /datum/antagonist/traitor //what type of antag to create
	var/traitors_required = TRUE //Will allow no traitors


/datum/game_mode/traitor/pre_setup()

	if(num_players() <= lowpop_amount)
		if(!prob((2*1.14**num_players())-2)) //exponential equation, chance of restriction goes up as pop goes down.
			protected_jobs += GLOB.command_positions

	if(CONFIG_GET(flag/protect_roles_from_antagonist))
		restricted_jobs += protected_jobs

	if(CONFIG_GET(flag/protect_assistant_from_antagonist))
		restricted_jobs += "Assistant"

	if(CONFIG_GET(flag/protect_AI_from_traitor))
		restricted_jobs += "AI"

	var/num_traitors = 1

	var/tsc = CONFIG_GET(number/traitor_scaling_coeff)
	if(tsc)
		num_traitors = max(1, min(round(num_players() / (tsc * 2)) + 2 + num_modifier, round(num_players() / tsc) + num_modifier))
	else
		num_traitors = max(1, min(num_players(), traitors_possible))

	for(var/j = 0, j < num_traitors, j++)
		if (!antag_candidates.len)
			break
		var/datum/mind/traitor = antag_pick(antag_candidates)
		pre_traitors += traitor
		traitor.special_role = traitor_name
		traitor.restricted_roles = restricted_jobs
		//log_game("[key_name(traitor)] has been selected as a [traitor_name]") | yogs - redundant
		antag_candidates.Remove(traitor)

	var/enough_tators = !traitors_required || pre_traitors.len > 0

	if(!enough_tators)
		setup_error = "Not enough traitor candidates"
		return FALSE
	else
		return TRUE


/datum/game_mode/traitor/post_setup()
	for(var/datum/mind/traitor in pre_traitors)
		addtimer(CALLBACK(src, TYPE_PROC_REF(/datum/game_mode/traitor, add_traitor_delayed), traitor, null), rand(1 MINUTES, (3 MINUTES + 10 SECONDS)))

	if(!exchange_blue)
		exchange_blue = -1 //Block latejoiners from getting exchange objectives
	..()

	//We're not actually ready until all traitors are assigned.
	gamemode_ready = FALSE
	addtimer(VARSET_CALLBACK(src, gamemode_ready, TRUE), (5 MINUTES + 11 SECONDS))
	return TRUE

/datum/game_mode/traitor/make_antag_chance(mob/living/carbon/human/character) //Assigns traitor to latejoiners
	var/tsc = CONFIG_GET(number/traitor_scaling_coeff)
	var/traitorcap = min(round(GLOB.joined_player_list.len / (tsc * 2)) + 2 + num_modifier, round(GLOB.joined_player_list.len / tsc) + num_modifier)
	var/cur_traitors = SSticker.mode.traitors.len
	// [SANITY] Uh oh! Somehow the pre_traitors aren't in the traitors list! Add them!
	if(SSticker.mode.traitors.len < pre_traitors.len)
		cur_traitors += pre_traitors.len
	if(cur_traitors >= traitorcap) //Upper cap for number of latejoin antagonists
		return
	if((cur_traitors) <= (traitorcap - 2) || prob(100 / (tsc * 2)))
		if(antag_flag in character.client.prefs.be_special)
			if(!is_banned_from(character.ckey, list(ROLE_TRAITOR, ROLE_SYNDICATE)) && !QDELETED(character))
				if(age_check(character.client))
					if(!(character.job in restricted_jobs))
						add_latejoin_traitor(character.mind)

/datum/game_mode/traitor/proc/add_traitor_delayed(datum/mind/traitor, datum/antagonist/cached_antag = null)
	if(!traitor || !traitor.current || !traitor.current.client || (traitor.current.stat != CONSCIOUS) || istype(traitor.current.loc, /obj/machinery/cryopod))
		create_new_traitor()
		return
	if(!cached_antag)
		cached_antag = new antag_datum()
		cached_antag.awake_stage = ANTAG_ASLEEP
	cached_antag.awake_stage++
	switch(cached_antag.awake_stage)
		if(ANTAG_FIRST_WARNING)
			traitor.current.playsound_local(get_turf(traitor.current), 'sound/ambience/antag/telegraph1.ogg', 100, FALSE, pressure_affected = FALSE)
			to_chat(traitor.current, span_danger("You don't feel good.."))
			addtimer(CALLBACK(src, TYPE_PROC_REF(/datum/game_mode/traitor, add_traitor_delayed), traitor, cached_antag), 1 MINUTES)
		if(ANTAG_SECOND_WARNING)
			traitor.current.playsound_local(get_turf(traitor.current), 'sound/ambience/antag/telegraph2.ogg', 100, FALSE, pressure_affected = FALSE)
			to_chat(traitor.current, span_danger("Remembering a tune, you slowly find the melody. Coded phrases and dark rooms flutter behind your eyelids. What could it mean? You should probably keep this to yourself."))
			addtimer(CALLBACK(src, TYPE_PROC_REF(/datum/game_mode/traitor, add_traitor_delayed), traitor, cached_antag), 1 MINUTES)
		if(ANTAG_AWAKE)
			traitor.current.playsound_local(get_turf(traitor.current), 'sound/ambience/antag/tatoralert_buildup.ogg', 100, FALSE, pressure_affected = FALSE)
			addtimer(CALLBACK(traitor, TYPE_PROC_REF(/datum/mind, add_antag_datum), cached_antag), 2 SECONDS)

/datum/game_mode/traitor/proc/create_new_traitor()
	var/list/potential_candidates = list()
	for(var/mob/living/carbon/human/applicant in GLOB.player_list)
		if(!applicant.client)
			continue
		if(!applicant.mind)
			continue
		if(!applicant.stat != CONSCIOUS)
			continue
		if(applicant.mind.assigned_role in protected_jobs)
			continue
		if(applicant.mind.assigned_role in restricted_jobs)
			continue
		if(!(applicant.mind.assigned_role in GLOB.command_positions + GLOB.engineering_positions + GLOB.medical_positions + GLOB.science_positions + GLOB.supply_positions + GLOB.civilian_positions + GLOB.security_positions + list("AI", "Cyborg")))
			continue
		if(applicant.mind.quiet_round)
			continue
		if(HAS_TRAIT(applicant, TRAIT_MINDSHIELD))
			continue
		if(is_banned_from(applicant.ckey, list(antag_flag, ROLE_SYNDICATE)))
			continue
		if(!(antag_flag in applicant.client.prefs.be_special))
			continue
		if(!age_check(applicant.client))
			continue
		potential_candidates += applicant
	if(!potential_candidates.len)
		message_admins("Tried to create a new traitor-like, but there were no eligible candidates!")
		return FALSE
	var/mob/living/carbon/human/picked = pick(potential_candidates)
	if(!picked || !picked.client)
		return FALSE
	var/datum/antagonist/traitor/new_antag = new antag_datum()
	picked.mind.add_antag_datum(new_antag)
	picked.mind.special_role = traitor_name
	return picked

/datum/game_mode/traitor/proc/add_latejoin_traitor(datum/mind/character)
	var/datum/antagonist/traitor/new_antag = new antag_datum()
	character.add_antag_datum(new_antag)

/datum/game_mode/traitor/generate_report()
	return "Although more specific threats are commonplace, you should always remain vigilant for Syndicate agents aboard your station. Syndicate communications have implied that many \
		Nanotrasen employees are Syndicate agents with hidden memories that may be activated at a moment's notice, so it's possible that these agents might not even know their positions."

/datum/game_mode/traitor/generate_credit_text()
	var/list/round_credits = list()
	var/len_before_addition

	round_credits += "<center><h1>The [syndicate_name()] Spies:</h1>"
	len_before_addition = round_credits.len
	for(var/datum/mind/traitor in traitors)
		round_credits += "<center><h2>[traitor.name] as a [syndicate_name()] traitor</h2>"
	if(len_before_addition == round_credits.len)
		round_credits += list("<center><h2>The traitors have concealed their treachery!</h2>", "<center><h2>We couldn't locate them!</h2>")
	round_credits += "<br>"

	round_credits += ..()
	return round_credits