//These two also have NIF FLAG representations. These are the local setting representations.
#define NIF_SC_CATCHING_ME			0x1
#define NIF_SC_CATCHING_OTHERS		0x2
//These are purely local setings flags, without global representation.
#define NIF_SC_ALLOW_EARS			0x4
#define NIF_SC_ALLOW_EYES			0x8
#define NIF_SC_BACKUPS				0x10
#define NIF_SC_PROJECTING			0x20

///////////
// Soulcatcher - Like a posibrain, sorta!
/datum/nifsoft/soulcatcher
	name = "Soulcatcher"
	desc = "A mind storage and processing system capable of capturing and supporting human-level minds in a small VR space."
	list_pos = NIF_SOULCATCHER
	cost = 100 //If I wanna trap people's minds and lood them, then by god I'll do so.
	wear = 1
	p_drain = 0.01

	var/setting_flags = (NIF_SC_CATCHING_OTHERS|NIF_SC_ALLOW_EARS|NIF_SC_ALLOW_EYES|NIF_SC_BACKUPS|NIF_SC_PROJECTING)
	var/list/brainmobs = list()
	var/inside_flavor = "A small completely white room with a couch, and a window to what seems to be the outside world. A small sign in the corner says 'Configure Me'."

	New()
		..()
		load_settings()

	Destroy()
		QDEL_LIST_NULL(brainmobs)
		return ..()

	activate()
		if((. = ..()))
			show_settings(nif.human)
			spawn(0)
				deactivate()

	deactivate()
		if((. = ..()))
			return TRUE

	stat_text()
		return "Change Settings ([brainmobs.len] minds)"

	install()
		if((. = ..()))
			nif.set_flag(NIF_O_SCOTHERS,NIF_FLAGS_OTHER)	//Required on install, because other_flags aren't sufficient for our complicated settings.
			nif.human.verbs |= /mob/living/carbon/human/proc/nsay
			nif.human.verbs |= /mob/living/carbon/human/proc/nme

	uninstall()
		QDEL_LIST_NULL(brainmobs)
		if((. = ..()) && nif && nif.human) //Sometimes NIFs are deleted outside of a human
			nif.human.verbs -= /mob/living/carbon/human/proc/nsay
			nif.human.verbs -= /mob/living/carbon/human/proc/nme

	proc/save_settings()
		if(!nif)
			return
		nif.save_data["[list_pos]"] = inside_flavor
		return TRUE

	proc/load_settings()
		if(!nif)
			return
		var/load = nif.save_data["[list_pos]"]
		if(load)
			inside_flavor = load
		return TRUE

	proc/notify_into(var/message)
		var/sound = nif.good_sound

		to_chat(nif.human,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>Soulcatcher</b> displays, \"<span class='notice'>[message]</span>\"")
		nif.human << sound

		for(var/brainmob in brainmobs)
			var/mob/living/carbon/brain/caught_soul/CS = brainmob
			to_chat(CS,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>Soulcatcher</b> displays, \"<span class='notice'>[message]</span>\"")
			brainmob << sound

	proc/say_into(var/message, var/mob/living/sender, var/mob/eyeobj)
		var/sender_name = eyeobj ? eyeobj.name : sender.name

		//AR Projecting
		if(eyeobj)
			sender.eyeobj.visible_message("<b>[sender_name]</b> says, \"[message]\"")

		//Not AR Projecting
		else
			to_chat(nif.human,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>[sender_name]</b> speaks, \"[message]\"")
			for(var/brainmob in brainmobs)
				var/mob/living/carbon/brain/caught_soul/CS = brainmob
				to_chat(CS,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>[sender_name]</b> speaks, \"[message]\"")

		log_nsay(message,nif.human.real_name,sender)

	proc/emote_into(var/message, var/mob/living/sender, var/mob/eyeobj)
		var/sender_name = eyeobj ? eyeobj.name : sender.name

		//AR Projecting
		if(eyeobj)
			sender.eyeobj.visible_message("[sender_name] [message]")

		//Not AR Projecting
		else
			to_chat(nif.human,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>[sender_name]</b> [message]")
			for(var/brainmob in brainmobs)
				var/mob/living/carbon/brain/caught_soul/CS = brainmob
				to_chat(CS,"<b>\[\icon[nif.big_icon]NIF\]</b> <b>[sender_name]</b> [message]")

		log_nme(message,nif.human.real_name,sender)

	proc/show_settings(var/mob/living/carbon/human/H)
		set waitfor = FALSE
		var/settings_list = list(
		"Catching You \[[setting_flags & NIF_SC_CATCHING_ME ? "Enabled" : "Disabled"]\]" = NIF_SC_CATCHING_ME,
		"Catching Prey \[[setting_flags & NIF_SC_CATCHING_OTHERS ? "Enabled" : "Disabled"]\]" = NIF_SC_CATCHING_OTHERS,
		"Ext. Hearing \[[setting_flags & NIF_SC_ALLOW_EARS ? "Enabled" : "Disabled"]\]" = NIF_SC_ALLOW_EARS,
		"Ext. Vision \[[setting_flags & NIF_SC_ALLOW_EYES ? "Enabled" : "Disabled"]\]" = NIF_SC_ALLOW_EYES,
		"Mind Backups \[[setting_flags & NIF_SC_BACKUPS ? "Enabled" : "Disabled"]\]" = NIF_SC_BACKUPS,
		"AR Projecting \[[setting_flags & NIF_SC_PROJECTING ? "Enabled" : "Disabled"]\]" = NIF_SC_PROJECTING,
		"Design Inside",
		"Erase Contents")
		var/choice = input(nif.human,"Select a setting to modify:","Soulcatcher NIFSoft") as null|anything in settings_list
		if(choice in settings_list)
			switch(choice)

				if("Design Inside")
					var/new_flavor = input(nif.human, "Type what the prey sees after being 'caught'. This will be \
					printed after an intro ending with: \"Around you, you see...\" to the prey. If you already \
					have prey, this will be printed to them after \"Your surroundings change to...\". Limit 2048 char.", \
					"VR Environment", html_decode(inside_flavor)) as message
					new_flavor = sanitize(new_flavor, MAX_MESSAGE_LEN*2)
					inside_flavor = new_flavor
					nif.notify("Updating VR environment...")
					for(var/brain in brainmobs)
						var/mob/living/carbon/brain/caught_soul/CS = brain
						to_chat(CS,"<span class='notice'>Your surroundings change to...</span>\n[inside_flavor]")
					save_settings()
					return TRUE

				if("Erase Contents")
					var/mob/living/carbon/brain/caught_soul/brainpick = input(nif.human,"Select a mind to delete:","Erase Mind") as null|anything in brainmobs

					var/warning = alert(nif.human,"Are you SURE you want to erase \"[brainpick]\"?","Erase Mind","CANCEL","DELETE","CANCEL")
					if(warning == "DELETE")
						brainmobs -= brainpick
						qdel(brainpick)
					return TRUE

				//Must just be a flag without special handling then.
				else
					var/flag = settings_list[choice]
					return toggle_setting(flag)

	proc/toggle_setting(var/flag)
		setting_flags ^= flag

		var/notify_message
		//Special treatment
		switch(flag)
			if(NIF_SC_BACKUPS)
				if(setting_flags & NIF_SC_BACKUPS)
					notify_message = "Mind backup system enabled."
				else
					notify_message = "Mind backup system disabled."

			if(NIF_SC_CATCHING_ME)
				if(setting_flags & NIF_SC_CATCHING_ME)
					nif.set_flag(NIF_O_SCMYSELF,NIF_FLAGS_OTHER)
				else
					nif.clear_flag(NIF_O_SCMYSELF,NIF_FLAGS_OTHER)
			if(NIF_SC_CATCHING_OTHERS)
				if(setting_flags & NIF_SC_CATCHING_OTHERS)
					nif.set_flag(NIF_O_SCOTHERS,NIF_FLAGS_OTHER)
				else
					nif.clear_flag(NIF_O_SCOTHERS,NIF_FLAGS_OTHER)
			if(NIF_SC_ALLOW_EARS)
				if(setting_flags & NIF_SC_ALLOW_EARS)
					for(var/brain in brainmobs)
						var/mob/living/carbon/brain/caught_soul/brainmob = brain
						brainmob.ext_deaf = FALSE
					notify_message = "External audio input enabled."
				else
					for(var/brain in brainmobs)
						var/mob/living/carbon/brain/caught_soul/brainmob = brain
						brainmob.ext_deaf = TRUE
					notify_message = "External audio input disabled."
			if(NIF_SC_ALLOW_EYES)
				if(setting_flags & NIF_SC_ALLOW_EYES)
					for(var/brain in brainmobs)
						var/mob/living/carbon/brain/caught_soul/brainmob = brain
						brainmob.ext_blind = FALSE
					notify_message = "External video input enabled."
				else
					for(var/brain in brainmobs)
						var/mob/living/carbon/brain/caught_soul/brainmob = brain
						brainmob.ext_blind = TRUE
					notify_message = "External video input disabled."

		if(notify_message)
			notify_into(notify_message)

		return TRUE

	//Complex version for catching in-round characters
	proc/catch_mob(var/mob/M)
		if(!M.mind)	return

		//Create a new brain mob
		var/mob/living/carbon/brain/caught_soul/brainmob = new(nif)
		brainmob.nif = nif
		brainmob.soulcatcher = src
		brainmob.container = src
		brainmob.stat = 0
		brainmob.silent = FALSE
		dead_mob_list -= brainmob
		brainmob.add_language(LANGUAGE_GALCOM)
		brainmobs |= brainmob

		//Put the mind and player into the mob
		M.mind.transfer_to(brainmob)
		brainmob.name = brainmob.mind.name
		brainmob.real_name = brainmob.mind.name

		//If we caught our owner, special settings.
		if(M == nif.human)
			brainmob.ext_deaf = FALSE
			brainmob.ext_blind = FALSE
			brainmob.parent_mob = TRUE

		//If they have these values, apply them
		if(ishuman(M))
			var/mob/living/carbon/human/H = M
			brainmob.dna = H.dna
			brainmob.ooc_notes = H.ooc_notes
			brainmob.timeofhostdeath = H.timeofdeath
			SStranscore.m_backup(brainmob.mind,0) //It does ONE, so medical will hear about it.

		//Else maybe they're a joining ghost
		else if(isobserver(M))
			brainmob.transient = TRUE
			qdel(M) //Bye ghost

		//Give them a flavortext message
		var/message = "<span class='notice'>Your vision fades in a haze of static, before returning.</span>\n\
						Around you, you see...\n\
						[inside_flavor]"

		to_chat(brainmob,message)

		//Reminder on how this works to host
		if(brainmobs.len == 1) //Only spam this on the first one
			to_chat(nif.human,"<span class='notice'>Your occupant's messages/actions can only be seen by you, and you can \
			send messages that only they can hear/see by using the NSay and NMe verbs (or the *nsay and *nme emotes).</span>")

		//Announce to host and other minds
		notify_into("New mind loaded: [brainmob.name]")
		return TRUE

////////////////
//The caught mob
/mob/living/carbon/brain/caught_soul
	name = "recorded mind"
	desc = "A mind recorded and being played on digital hardware."
	use_me = 1
	var/ext_deaf = FALSE		//Forbidden from 'ear' access on host
	var/ext_blind = FALSE		//Forbidden from 'eye' access on host
	var/parent_mob = FALSE		//If we've captured our owner
	var/transient = FALSE		//Someone who ghosted into the NIF
	var/client_missing = 0		//How long the client has been missing
	universal_understand = TRUE

	var/obj/item/device/nif/nif
	var/datum/nifsoft/soulcatcher/soulcatcher
	var/identifying_gender

/mob/living/carbon/brain/caught_soul/Login()
	..()
	plane_holder.set_vis(VIS_AUGMENTED, TRUE)
	identifying_gender = client.prefs.identifying_gender

/mob/living/carbon/brain/caught_soul/Destroy()
	if(soulcatcher)
		soulcatcher.notify_into("Mind unloaded: [name]")
		soulcatcher.brainmobs -= src
		soulcatcher = null
	if(eyeobj)
		reenter_soulcatcher()
		eyeobj = null //This SHOULD be null already, reenter_soulcatcher destroys and nulls it, but safety first.
	container = null
	nif = null
	return ..()

/mob/living/carbon/brain/caught_soul/Life()
	if(!mind || !key)
		qdel(src)
		return

	. = ..()

	if(!parent_mob && !transient &&(life_tick % 150 == 0) && soulcatcher.setting_flags & NIF_SC_BACKUPS)
		SStranscore.m_backup(mind,0) //Passed 0 means "Don't touch the nif fields on the mind record"

	life_tick++

	if(!client)
		if(++client_missing == 300)
			qdel(src)
		return
	else
		client_missing = 0

	if(parent_mob) return

	//If they're blinded
	if(ext_blind)
		eye_blind = 5
		client.screen.Remove(global_hud.whitense)
		overlay_fullscreen("blind", /obj/screen/fullscreen/blind)
	else
		eye_blind = 0
		clear_fullscreens()
		client.screen.Add(global_hud.whitense)

	//If they're deaf
	if(ext_deaf)
		ear_deaf = 5
	else
		ear_deaf = 0

/mob/living/carbon/brain/caught_soul/hear_say()
	if(ext_deaf || !client)
		return FALSE
	..()

/mob/living/carbon/brain/caught_soul/show_message()
	if(ext_blind || !client)
		return FALSE
	..()

/mob/living/carbon/brain/caught_soul/me_verb_subtle()
	set hidden = TRUE

	return FALSE

/mob/living/carbon/brain/caught_soul/whisper()
	set hidden = TRUE

	return FALSE

/mob/living/carbon/brain/caught_soul/face_atom(var/atom/A)
	if(eyeobj)
		return eyeobj.face_atom(A)
	else
		return ..(A)

/mob/living/carbon/brain/caught_soul/set_dir(var/direction)
	if(eyeobj)
		return eyeobj.set_dir(direction)
	else
		return ..(direction)

/mob/living/carbon/brain/caught_soul/say(var/message)
	if(silent) return FALSE
	soulcatcher.say_into(message,src,eyeobj)

/mob/living/carbon/brain/caught_soul/emote(var/act,var/m_type=1,var/message = null)
	if(silent) return FALSE
	if (act == "me")
		if(silent)
			return
		if (src.client)
			if (client.prefs.muted & MUTE_IC)
				to_chat(src, "<span class='warning'>You cannot send IC messages (muted).</span>")
				return
		if (stat)
			return
		if(!(message))
			return
		return custom_emote(m_type, message)
	else
		return FALSE

/mob/living/carbon/brain/caught_soul/custom_emote(var/m_type, var/message)
	if(silent) return FALSE
	soulcatcher.emote_into(message,src,eyeobj)

/mob/living/carbon/brain/caught_soul/resist()
	set name = "Resist"
	set category = "IC"

	to_chat(src,"<span class='warning'>There's no way out! You're stuck in VR.</span>")

///////////////////
//A projected AR soul thing
/mob/observer/eye/ar_soul
	plane = PLANE_AUGMENTED
	icon = 'icons/obj/machines/ar_elements.dmi'
	icon_state = "beacon"
	var/mob/living/carbon/human/parent_human

/mob/observer/eye/ar_soul/New(var/mob/brainmob, var/human)
	ASSERT(brainmob && brainmob.client)
	..()

	owner = brainmob				//Set eyeobj's owner
	parent_human = human			//E-z reference to human
	sight |= SEE_SELF				//Always see yourself

	name = "[brainmob.name] (AR)"	//Set the name
	real_name = brainmob.real_name	//And the OTHER name

	forceMove(get_turf(parent_human))
	GLOB.moved_event.register(parent_human, src, /mob/observer/eye/ar_soul/proc/human_moved)

	//Time to play dressup
	if(brainmob.client.prefs)
		var/mob/living/carbon/human/dummy/dummy = new ()
		brainmob.client.prefs.dress_preview_mob(dummy)
		sleep(1 SECOND) //Strange bug in preview code? Without this, certain things won't show up. Yay race conditions?
		dummy.regenerate_icons()

		var/icon/new_icon = getHologramIcon(getCompoundIcon(dummy))
		qdel(dummy)
		icon = new_icon

/mob/observer/eye/ar_soul/Destroy()
	if(parent_human) //It's POSSIBLE they've been deleted before the NIF somehow
		GLOB.moved_event.unregister(parent_human, src)
		parent_human = null
	return ..()

/mob/observer/eye/ar_soul/EyeMove(n, direct)
	var/initial = initial(sprint)
	var/max_sprint = 50

	if(cooldown && cooldown < world.timeofday)
		sprint = initial

	for(var/i = 0; i < max(sprint, initial); i += 20)
		var/turf/stepn = get_turf(get_step(src, direct))
		if(stepn)
			set_dir(direct)
			if(can_see(parent_human, stepn))
				forceMove(stepn)

	cooldown = world.timeofday + 5
	if(acceleration)
		sprint = min(sprint + 0.5, max_sprint)
	else
		sprint = initial
	return 1

/mob/observer/eye/ar_soul/proc/human_moved()
	if(!can_see(parent_human,src))
		forceMove(get_turf(parent_human))

///////////////////
//The catching hook
/hook/death/proc/nif_soulcatcher(var/mob/living/carbon/human/H)
	if(!istype(H) || !H.mind) return TRUE //Hooks must return TRUE

	if(isbelly(H.loc)) //Died in someone
		var/obj/belly/B = H.loc
		var/mob/living/carbon/human/HP = B.owner
		if(istype(HP) && HP.nif && HP.nif.flag_check(NIF_O_SCOTHERS,NIF_FLAGS_OTHER))
			var/datum/nifsoft/soulcatcher/SC = HP.nif.imp_check(NIF_SOULCATCHER)
			SC.catch_mob(H)
	else if(H.nif && H.nif.flag_check(NIF_O_SCMYSELF,NIF_FLAGS_OTHER)) //They are caught in their own NIF
		var/datum/nifsoft/soulcatcher/SC = H.nif.imp_check(NIF_SOULCATCHER)
		SC.catch_mob(H)

	return TRUE

///////////////////
//Verbs for humans
/mob/living/carbon/human/proc/nsay(message as text|null)
	set name = "NSay"
	set desc = "Speak into your NIF's Soulcatcher."
	set category = "IC"

	if(!nif)
		to_chat(src,"<span class='warning'>You can't use NSay without a NIF.</span>")
		return
	var/datum/nifsoft/soulcatcher/SC = nif.imp_check(NIF_SOULCATCHER)
	if(!SC)
		to_chat(src,"<span class='warning'>You need the Soulcatcher software to use NSay.</span>")
		return
	if(!SC.brainmobs.len)
		to_chat(src,"<span class='warning'>You need a loaded mind to use NSay.</span>")
		return
	if(!message)
		message = input("Type a message to say.","Speak into Soulcatcher") as text|null
	if(message)
		var/sane_message = sanitize(message)
		SC.say_into(sane_message,src)

/mob/living/carbon/human/proc/nme(message as text|null)
	set name = "NMe"
	set desc = "Emote into your NIF's Soulcatcher."
	set category = "IC"

	if(!nif)
		to_chat(src,"<span class='warning'>You can't use NMe without a NIF.</span>")
		return
	var/datum/nifsoft/soulcatcher/SC = nif.imp_check(NIF_SOULCATCHER)
	if(!SC)
		to_chat(src,"<span class='warning'>You need the Soulcatcher software to use NMe.</span>")
		return
	if(!SC.brainmobs.len)
		to_chat(src,"<span class='warning'>You need a loaded mind to use NMe.</span>")
		return

	if(!message)
		message = input("Type an action to perform.","Emote into Soulcatcher") as text|null
	if(message)
		var/sane_message = sanitize(message)
		SC.emote_into(sane_message,src)

///////////////////
//Verbs for soulbrains
/mob/living/carbon/brain/caught_soul/verb/ar_project()
	set name = "AR Project"
	set desc = "Project your form into Augmented Reality for those around your predator with the appearance of your loaded character."
	set category = "Soulcatcher"

	if(eyeobj)
		to_chat(src,"<span class='warning'>You're already projecting in AR!</span>")
		return

	if(!(soulcatcher.setting_flags & NIF_SC_PROJECTING))
		to_chat(src,"<span class='warning'>Projecting from this NIF has been disabled!</span>")
		return

	if(!client || !client.prefs)
		return //Um...

	eyeobj = new/mob/observer/eye/ar_soul(src,nif.human)
	soulcatcher.notify_into("[src] now AR projecting.")

/mob/living/carbon/brain/caught_soul/verb/jump_to_owner()
	set name = "Jump to Owner"
	set desc = "Jump your projection back to the owner of the soulcatcher you're inside."
	set category = "Soulcatcher"

	if(!eyeobj)
		to_chat(src,"<span class='warning'>You're not projecting into AR!</span>")
		return

	eyeobj.forceMove(get_turf(nif))

/mob/living/carbon/brain/caught_soul/verb/reenter_soulcatcher()
	set name = "Re-enter Soulcatcher"
	set desc = "Leave AR projection and drop back into the soulcatcher."
	set category = "Soulcatcher"

	if(!eyeobj)
		to_chat(src,"<span class='warning'>You're not projecting into AR!</span>")
		return

	QDEL_NULL(eyeobj)
	soulcatcher.notify_into("[src] ended AR projection.")

/mob/living/carbon/brain/caught_soul/verb/nsay(message as text|null)
	set name = "NSay"
	set desc = "Speak into the NIF's Soulcatcher (circumventing AR speaking)."
	set category = "Soulcatcher"

	if(!message)
		message = input("Type a message to say.","Speak into Soulcatcher") as text|null
	if(message)
		var/sane_message = sanitize(message)
		soulcatcher.say_into(sane_message,src,null)

/mob/living/carbon/brain/caught_soul/verb/nme(message as text|null)
	set name = "NMe"
	set desc = "Emote into the NIF's Soulcatcher (circumventing AR speaking)."
	set category = "Soulcatcher"

	if(!message)
		message = input("Type an action to perform.","Emote into Soulcatcher") as text|null
	if(message)
		var/sane_message = sanitize(message)
		soulcatcher.emote_into(sane_message,src,null)