//predominantly negative traits

/datum/quirk/blooddeficiency
	name = "Acute Blood Deficiency"
	desc = "Your body can't produce enough blood to sustain itself."
	value = -2
	gain_text = "<span class='danger'>You feel your vigor slowly fading away.</span>"
	lose_text = "<span class='notice'>You feel vigorous again.</span>"
	medical_record_text = "Patient requires regular treatment for blood loss due to low production of blood."

/datum/quirk/blooddeficiency/on_process()
	var/mob/living/carbon/human/H = quirk_holder
	if(NOBLOOD in H.dna.species.species_traits) //can't lose blood if your species doesn't have any
		return
	else
		quirk_holder.blood_volume -= 0.275

/datum/quirk/depression
	name = "Depression"
	desc = "You sometimes just hate life."
	mob_trait = TRAIT_DEPRESSION
	value = -1
	gain_text = "<span class='danger'>You start feeling depressed.</span>"
	lose_text = "<span class='notice'>You no longer feel depressed.</span>" //if only it were that easy!
	medical_record_text = "Patient has a severe mood disorder causing them to experience sudden moments of sadness."
	mood_quirk = TRUE

/datum/quirk/family_heirloom
	name = "Family Heirloom"
	desc = "You are the current owner of an heirloom, passed down for generations. You have to keep it safe!"
	value = -1
	mood_quirk = TRUE
	var/obj/item/heirloom
	var/where

/datum/quirk/family_heirloom/on_spawn()
	var/mob/living/carbon/human/H = quirk_holder
	var/obj/item/heirloom_type
	switch(quirk_holder.mind.assigned_role)
		if("Clown")
			heirloom_type = /obj/item/paint/anycolor
			heirloom_type = /obj/item/bikehorn/golden
		if("Mime")
			heirloom_type = /obj/item/paint/anycolor
			heirloom_type = /obj/item/toy/dummy
		if("Cook")
			heirloom_type = /obj/item/kitchen/knife/scimitar
		if("Medical Doctor")
			heirloom_type = /obj/item/healthanalyzer/advanced
		if("Station Engineer")
			heirloom_type = /obj/item/wirecutters/brass
		if("Atmospheric Technician")
			heirloom_type = /obj/item/extinguisher/mini/family
		if("Lawyer")
			heirloom_type = /obj/item/storage/briefcase/lawyer/family
		if("Janitor")
			heirloom_type = /obj/item/mop
		if("Security Officer")
			heirloom_type = /obj/item/clothing/accessory/medal/silver/valor
		if("Scientist")
			heirloom_type = /obj/item/toy/plush/slimeplushie
		if("Assistant")
			heirloom_type = /obj/item/storage/toolbox/mechanical/old/heirloom
		if("Chaplain")
			heirloom_type = /obj/item/camera/spooky/family
		if("Captain")
			heirloom_type = /obj/item/clothing/accessory/medal/gold/captain/family
	if(!heirloom_type)
		heirloom_type = pick(
		/obj/item/toy/cards/deck,
		/obj/item/lighter,
		/obj/item/dice/d20)
	heirloom = new heirloom_type(get_turf(quirk_holder))
	var/list/slots = list(
		"in your left pocket" = SLOT_L_STORE,
		"in your right pocket" = SLOT_R_STORE,
		"in your backpack" = SLOT_IN_BACKPACK
	)
	where = H.equip_in_one_of_slots(heirloom, slots, FALSE) || "at your feet"

/datum/quirk/family_heirloom/post_add()
	if(where == "in your backpack")
		var/mob/living/carbon/human/H = quirk_holder
		SEND_SIGNAL(H.back, COMSIG_TRY_STORAGE_SHOW, H)

	to_chat(quirk_holder, "<span class='boldnotice'>There is a precious family [heirloom.name] [where], passed down from generation to generation. Keep it safe!</span>")
	var/list/family_name = splittext(quirk_holder.real_name, " ")
	heirloom.name = "\improper [family_name[family_name.len]] family [heirloom.name]"

/datum/quirk/family_heirloom/on_process()
	if(heirloom in quirk_holder.GetAllContents())
		SEND_SIGNAL(quirk_holder, COMSIG_CLEAR_MOOD_EVENT, "family_heirloom_missing")
		SEND_SIGNAL(quirk_holder, COMSIG_ADD_MOOD_EVENT, "family_heirloom", /datum/mood_event/family_heirloom)
	else
		SEND_SIGNAL(quirk_holder, COMSIG_CLEAR_MOOD_EVENT, "family_heirloom")
		SEND_SIGNAL(quirk_holder, COMSIG_ADD_MOOD_EVENT, "family_heirloom_missing", /datum/mood_event/family_heirloom_missing)

/datum/quirk/family_heirloom/clone_data()
	return heirloom

/datum/quirk/family_heirloom/on_clone(data)
	heirloom = data

/datum/quirk/heavy_sleeper
	name = "Heavy Sleeper"
	desc = "You sleep like a rock! Whenever you're put to sleep, you sleep for a little bit longer."
	value = -1
	mob_trait = TRAIT_HEAVY_SLEEPER
	gain_text = "<span class='danger'>You feel sleepy.</span>"
	lose_text = "<span class='notice'>You feel awake again.</span>"
	medical_record_text = "Patient has abnormal sleep study results and is difficult to wake up."

/datum/quirk/brainproblems
	name = "Brain Tumor"
	desc = "You have a little friend in your brain that is slowly destroying it. Better bring some mannitol!"
	value = -3
	gain_text = "<span class='danger'>You feel smooth.</span>"
	lose_text = "<span class='notice'>You feel wrinkled again.</span>"
	medical_record_text = "Patient has a tumor in their brain that is slowly driving them to brain death."

/datum/quirk/brainproblems/on_process()
	quirk_holder.adjustBrainLoss(0.2)

/datum/quirk/nearsighted //t. errorage
	name = "Nearsighted"
	desc = "You are nearsighted without prescription glasses, but spawn with a pair."
	value = -1
	gain_text = "<span class='danger'>Things far away from you start looking blurry.</span>"
	lose_text = "<span class='notice'>You start seeing faraway things normally again.</span>"
	medical_record_text = "Patient requires prescription glasses in order to counteract nearsightedness."

/datum/quirk/nearsighted/add()
	quirk_holder.become_nearsighted(ROUNDSTART_TRAIT)

/datum/quirk/nearsighted/on_spawn()
	var/mob/living/carbon/human/H = quirk_holder
	var/obj/item/clothing/glasses/regular/glasses = new(get_turf(H))
	H.put_in_hands(glasses)
	H.equip_to_slot(glasses, SLOT_GLASSES)
	H.regenerate_icons() //this is to remove the inhand icon, which persists even if it's not in their hands

/datum/quirk/nyctophobia
	name = "Nyctophobia"
	desc = "As far as you can remember, you've always been afraid of the dark. While in the dark without a light source, you instinctually act careful, and constantly feel a sense of dread."
	value = -1

/datum/quirk/nyctophobia/on_process()
	var/mob/living/carbon/human/H = quirk_holder
	if(H.dna.species.id in list("shadow", "nightmare"))
		return //we're tied with the dark, so we don't get scared of it; don't cleanse outright to avoid cheese
	var/turf/T = get_turf(quirk_holder)
	var/lums = T.get_lumcount()
	if(lums <= 0.2)
		if(quirk_holder.m_intent == MOVE_INTENT_RUN)
			to_chat(quirk_holder, "<span class='warning'>Easy, easy, take it slow... you're in the dark...</span>")
			quirk_holder.toggle_move_intent()
		SEND_SIGNAL(quirk_holder, COMSIG_ADD_MOOD_EVENT, "nyctophobia", /datum/mood_event/nyctophobia)
	else
		SEND_SIGNAL(quirk_holder, COMSIG_CLEAR_MOOD_EVENT, "nyctophobia")

/datum/quirk/lightless
	name = "Light Sensitivity"
	desc = "Bright lights irritate you. Your eyes start to water, your skin feels itchy against the photon radiation, and your hair gets dry and frizzy. Maybe it's a medical condition. If only Nanotrasen was more considerate of your needs..."
	value = -1
	gain_text = "<span class='danger'>The safty of light feels off...</span>"
	lose_text = "<span class='notice'>Enlighing.</span>"

/datum/quirk/lightless/on_process()
	var/turf/T = get_turf(quirk_holder)
	var/lums = T.get_lumcount()
	if(lums >= 0.8)
		SEND_SIGNAL(quirk_holder, COMSIG_ADD_MOOD_EVENT, "brightlight", /datum/mood_event/brightlight)
	else
		SEND_SIGNAL(quirk_holder, COMSIG_CLEAR_MOOD_EVENT, "brightlight")

/datum/quirk/nonviolent
	name = "Pacifist"
	desc = "The thought of violence makes you sick. So much so, in fact, that you can't hurt anyone."
	value = -2
	mob_trait = TRAIT_PACIFISM
	gain_text = "<span class='danger'>You feel repulsed by the thought of violence!</span>"
	lose_text = "<span class='notice'>You think you can defend yourself again.</span>"
	medical_record_text = "Patient is unusually pacifistic and cannot bring themselves to cause physical harm."

/datum/quirk/nonviolent/on_process()
	if(quirk_holder.mind && LAZYLEN(quirk_holder.mind.antag_datums))
		to_chat(quirk_holder, "<span class='boldannounce'>Your antagonistic nature has caused you to renounce your pacifism.</span>")
		qdel(src)

/datum/quirk/poor_aim
	name = "Poor Aim"
	desc = "You're terrible with guns and can't line up a straight shot to save your life. Dual-wielding is right out."
	value = -1
	mob_trait = TRAIT_POOR_AIM
	medical_record_text = "Patient possesses a strong tremor in both hands."

/datum/quirk/prosopagnosia
	name = "Prosopagnosia"
	desc = "You have a mental disorder that prevents you from being able to recognize faces at all."
	value = -1
	mob_trait = TRAIT_PROSOPAGNOSIA
	medical_record_text = "Patient suffers from prosopagnosia and cannot recognize faces."

/datum/quirk/prosthetic_limb
	name = "Prosthetic Limb"
	desc = "An accident caused you to lose one of your limbs. Because of this, you now have a random prosthetic!"
	value = -1
	var/slot_string = "limb"

/datum/quirk/prosthetic_limb/on_spawn()
	var/limb_slot = pick(BODY_ZONE_L_ARM, BODY_ZONE_R_ARM, BODY_ZONE_L_LEG, BODY_ZONE_R_LEG)
	var/mob/living/carbon/human/H = quirk_holder
	var/obj/item/bodypart/old_part = H.get_bodypart(limb_slot)
	var/obj/item/bodypart/prosthetic
	switch(limb_slot)
		if(BODY_ZONE_L_ARM)
			prosthetic = new/obj/item/bodypart/l_arm/robot/surplus(quirk_holder)
			slot_string = "left arm"
		if(BODY_ZONE_R_ARM)
			prosthetic = new/obj/item/bodypart/r_arm/robot/surplus(quirk_holder)
			slot_string = "right arm"
		if(BODY_ZONE_L_LEG)
			prosthetic = new/obj/item/bodypart/l_leg/robot/surplus(quirk_holder)
			slot_string = "left leg"
		if(BODY_ZONE_R_LEG)
			prosthetic = new/obj/item/bodypart/r_leg/robot/surplus(quirk_holder)
			slot_string = "right leg"
	prosthetic.replace_limb(H)
	qdel(old_part)
	H.regenerate_icons()

/datum/quirk/prosthetic_limb/post_add()
	to_chat(quirk_holder, "<span class='boldannounce'>Your [slot_string] has been replaced with a surplus prosthetic. It is fragile and will easily come apart under duress. Additionally, \
	you need to use a welding tool and cables to repair it, instead of bruise packs and ointment.</span>")

/datum/quirk/insanity
	name = "Reality Dissociation Syndrome"
	desc = "You suffer from a severe disorder that causes very vivid hallucinations. Mindbreaker toxin can suppress its effects, and you are immune to mindbreaker's hallucinogenic properties. <b>This is not a license to grief.</b>"
	value = -2
	//no mob trait because it's handled uniquely
	gain_text = "<span class='userdanger'>...</span>"
	lose_text = "<span class='notice'>You feel in tune with the world again.</span>"
	medical_record_text = "Patient suffers from acute Reality Dissociation Syndrome and experiences vivid hallucinations."

/datum/quirk/insanity/on_process()
	if(quirk_holder.reagents.has_reagent("mindbreaker"))
		quirk_holder.hallucination = 0
		return
	if(prob(2)) //we'll all be mad soon enough
		madness()

/datum/quirk/insanity/proc/madness()
	quirk_holder.hallucination += rand(10, 25)

/datum/quirk/insanity/post_add() //I don't /think/ we'll need this but for newbies who think "roleplay as insane" = "license to kill" it's probably a good thing to have
	if(!quirk_holder.mind || quirk_holder.mind.special_role)
		return
	to_chat(quirk_holder, "<span class='big bold info'>Please note that your dissociation syndrome does NOT give you the right to attack people or otherwise cause any interference to \
	the round. You are not an antagonist, and the rules will treat you the same as other crewmembers.</span>")

/datum/quirk/social_anxiety
	name = "Social Anxiety"
	desc = "Talking to people is very difficult for you, and you often stutter or even lock up."
	value = -1
	gain_text = "<span class='danger'>You start worrying about what you're saying.</span>"
	lose_text = "<span class='notice'>You feel easier about talking again.</span>" //if only it were that easy!
	medical_record_text = "Patient is usually anxious in social encounters and prefers to avoid them."
	var/dumb_thing = TRUE

/datum/quirk/social_anxiety/on_process()
	var/nearby_people = 0
	for(var/mob/living/carbon/human/H in oview(3, quirk_holder))
		if(H.client)
			nearby_people++
	var/mob/living/carbon/human/H = quirk_holder
	if(prob(2 + nearby_people))
		H.stuttering = max(3, H.stuttering)
	else if(prob(min(3, nearby_people)) && !H.silent)
		to_chat(H, "<span class='danger'>You retreat into yourself. You <i>really</i> don't feel up to talking.</span>")
		H.silent = max(10, H.silent)
	else if(prob(0.5) && dumb_thing)
		to_chat(H, "<span class='userdanger'>You think of a dumb thing you said a long time ago and scream internally.</span>")
		dumb_thing = FALSE //only once per life
		if(prob(1))
			new/obj/item/reagent_containers/food/snacks/pastatomato(get_turf(H)) //now that's what I call spaghetti code

/datum/quirk/phobia
	name = "Phobia"
	desc = "You've had a traumatic past, one that has scarred you for life, and cripples you when dealing with your greatest fears."
	value = -2 // It can hardstun you. You can be a job that your phobia targets...
	gain_text = "<span class='danger'>You begin to tremble as an immeasurable fear grips your mind.</span>"
	lose_text = "<span class='notice'>Your confidence wipes away the fear that had been plaguing you.</span>"
	medical_record_text = "Patient has an extreme or irrational fear and aversion to an undefined stimuli."
	var/datum/brain_trauma/mild/phobia/phobia

/datum/quirk/phobia/add()
	var/mob/living/carbon/human/H = quirk_holder
	phobia = new
	H.gain_trauma(phobia, TRAUMA_RESILIENCE_SURGERY)

/datum/quirk/mute
	name = "Mute"
	desc = "Due to some accident, medical condition, or simply by choice, you are completely unable to speak."
	value = -2 //HALP MAINTS
	mob_trait = TRAIT_MUTE
	gain_text = "<span class='danger'>You find yourself unable to speak!</span>"
	lose_text = "<span class='notice'>You feel a growing strength in your vocal chords.</span>"
	medical_record_text = "Functionally mute, patient is unable to use their voice in any capacity."

/datum/quirk/mute/add()
	var/mob/living/carbon/human/H = quirk_holder
	H.gain_trauma(TRAIT_MUTE, TRAUMA_RESILIENCE_SURGERY)

/datum/quirk/mute/on_process()
	if(quirk_holder.mind && LAZYLEN(quirk_holder.mind.antag_datums))
		to_chat(quirk_holder, "<span class='boldannounce'>Your antagonistic nature has caused your voice to be heard.</span>")
		qdel(src)