human_helpers.dm

/mob/living/carbon/human/canBeHandcuffed()
	if(num_hands < 2)
		return FALSE
	return TRUE


//gets assignment from ID or ID inside PDA or PDA itself
//Useful when player do something with computers
/mob/living/carbon/human/proc/get_assignment(if_no_id = "No id", if_no_job = "No job", hand_first = TRUE)
	var/obj/item/card/id/id = get_idcard(hand_first)
	if(id)
		. = id.assignment
	else
		var/obj/item/pda/pda = wear_id
		if(istype(pda))
			. = pda.ownjob
		else
			return if_no_id
	if(!.)
		return if_no_job

//gets name from ID or ID inside PDA or PDA itself
//Useful when player do something with computers
/mob/living/carbon/human/proc/get_authentification_name(if_no_id = "Unknown")
	var/obj/item/card/id/id = get_idcard(FALSE)
	if(id)
		return id.registered_name
	var/obj/item/pda/pda = wear_id
	if(istype(pda))
		return pda.owner
	return if_no_id

//repurposed proc. Now it combines get_id_name() and get_face_name() to determine a mob's name variable. Made into a separate proc as it'll be useful elsewhere
/mob/living/carbon/human/get_visible_name()
	var/face_name = get_face_name("")
	var/id_name = get_id_name("")
	if(name_override)
		return name_override
	if(face_name)
		if(id_name && (id_name != face_name))
			return "[face_name] (as [id_name])"
		return face_name
	if(id_name)
		return id_name
	return "Unknown"

//Returns "Unknown" if facially disfigured and real_name if not. Useful for setting name when Fluacided or when updating a human's name variable
/mob/living/carbon/human/proc/get_face_name(if_no_face="Unknown")
	if( wear_mask && (wear_mask.flags_inv&HIDEFACE) )	//Wearing a mask which hides our face, use id-name if possible
		return if_no_face
	if( head && (head.flags_inv&HIDEFACE) )
		return if_no_face		//Likewise for hats
	var/obj/item/bodypart/O = get_bodypart(BODY_ZONE_HEAD)
	if( !O || (HAS_TRAIT(src, TRAIT_DISFIGURED)) || (O.brutestate+O.burnstate)>2 || cloneloss>50 || !real_name )	//disfigured. use id-name if possible
		return if_no_face
	return real_name

//gets name from ID or PDA itself, ID inside PDA doesn't matter
//Useful when player is being seen by other mobs
/mob/living/carbon/human/proc/get_id_name(if_no_id = "Unknown")
	var/obj/item/storage/wallet/wallet = wear_id
	var/obj/item/pda/pda = wear_id
	var/obj/item/card/id/id = wear_id
	var/obj/item/modular_computer/tablet/tablet = wear_id
	if(istype(wallet))
		id = wallet.front_id
	if(istype(id))
		. = id.registered_name
	else if(istype(pda))
		. = pda.owner
	else if(istype(tablet))
		var/obj/item/computer_hardware/card_slot/card_slot = tablet.all_components[MC_CARD]
		if(card_slot && (card_slot.stored_card2 || card_slot.stored_card))
			if(card_slot.stored_card2) //The second card is the one used for authorization in the ID changing program, so we prioritize it here for consistency
				. = card_slot.stored_card2.registered_name
			else
				if(card_slot.stored_card)
					. = card_slot.stored_card.registered_name
	if(!.)
		. = if_no_id	//to prevent null-names making the mob unclickable
	return

//Gets ID card from a human. If hand_first is false the one in the id slot is prioritized, otherwise inventory slots go first.
/mob/living/carbon/human/get_idcard(hand_first = TRUE)
	//Check hands
	var/obj/item/card/id/id_card
	var/obj/item/held_item
	held_item = get_active_held_item()
	if(held_item) //Check active hand
		id_card = held_item.GetID()
	if(!id_card) //If there is no id, check the other hand
		held_item = get_inactive_held_item()
		if(held_item)
			id_card = held_item.GetID()

	if(id_card)
		if(hand_first)
			return id_card
		else
			. = id_card

	//Check inventory slots
	if(wear_id)
		id_card = wear_id.GetID()
		if(id_card)
			return id_card
	else if(belt)
		id_card = belt.GetID()
		if(id_card)
			return id_card

/mob/living/carbon/human/get_id_in_hand()
	var/obj/item/held_item = get_active_held_item()
	if(!held_item)
		return
	return held_item.GetID()

/mob/living/carbon/human/IsAdvancedToolUser()
	if(HAS_TRAIT(src, TRAIT_MONKEYLIKE))
		return FALSE
	return TRUE//Humans can use guns and such

/mob/living/carbon/human/reagent_check(datum/reagent/R)
	return dna.species.handle_chemicals(R,src)
	// if it returns 0, it will run the usual on_mob_life for that reagent. otherwise, it will stop after running handle_chemicals for the species.


/mob/living/carbon/human/can_track(mob/living/user)
	if(wear_id && istype(wear_id.GetID(), /obj/item/card/id/syndicate))
		return 0
	if(istype(head, /obj/item/clothing/head))
		var/obj/item/clothing/head/hat = head
		if(hat.blockTracking)
			return 0

	return ..()

/mob/living/carbon/human/can_use_guns(obj/item/G)
	. = ..()
	if(G.trigger_guard == TRIGGER_GUARD_NORMAL)
		if(HAS_TRAIT(src, TRAIT_CHUNKYFINGERS))
			to_chat(src, "<span class='warning'>Your meaty finger is much too large for the trigger guard!</span>")
			return FALSE
	if(HAS_TRAIT(src, TRAIT_NOGUNS))
		to_chat(src, "<span class='warning'>You can't bring yourself to use a ranged weapon!</span>")
		return FALSE

/mob/living/carbon/human/get_bank_account(hand_first)
	RETURN_TYPE(/datum/bank_account)
	var/datum/bank_account/account
	var/obj/item/card/id/I = get_idcard(hand_first)

	if(I && I.registered_account)
		account = I.registered_account
		return account

	return FALSE

/mob/living/carbon/human/get_policy_keywords()
	. = ..()
	. += "[dna.species.type]"

/mob/living/carbon/human/can_see_reagents()
	. = ..()
	if(.) //No need to run through all of this if it's already true.
		return
	if(isclothing(glasses) && (glasses.clothing_flags & SCAN_REAGENTS))
		return TRUE
	if(isclothing(head) && (head.clothing_flags & SCAN_REAGENTS))
		return TRUE
	if(isclothing(wear_mask) && (wear_mask.clothing_flags & SCAN_REAGENTS))
		return TRUE

/// When we're joining the game in [/mob/dead/new_player/proc/create_character], we increment our scar slot then store the slot in our mind datum.
/mob/living/carbon/human/proc/increment_scar_slot()
	var/check_ckey = ckey || client?.ckey
	if(!check_ckey || !mind || !client?.prefs.persistent_scars)
		return

	var/path = "data/player_saves/[check_ckey[1]]/[check_ckey]/scars.sav"
	var/index = mind.current_scar_slot_index
	if(!index)
		if(fexists(path))
			var/savefile/F = new /savefile(path)
			index = F["current_scar_index"] || 1
		else
			index = 1

	mind.current_scar_slot_index = (index % PERSISTENT_SCAR_SLOTS) + 1 || 1

/// For use formatting all of the scars this human has for saving for persistent scarring, returns a string with all current scars/missing limb amputation scars for saving or loading purposes
/mob/living/carbon/human/proc/format_scars()
	var/list/missing_bodyparts = get_missing_limbs()
	if(!all_scars && !length(missing_bodyparts))
		return
	var/scars = ""
	for(var/i in missing_bodyparts)
		var/datum/scar/scaries = new
		scars += "[scaries.format_amputated(i)]"
	for(var/i in all_scars)
		var/datum/scar/iter_scar = i
		if(!iter_scar.fake)
			scars += "[iter_scar.format()];"
	return scars

/// Takes a single scar from the persistent scar loader and recreates it from the saved data
/mob/living/carbon/human/proc/load_scar(scar_line, specified_char_index)
	var/list/scar_data = splittext(scar_line, "|")
	if(LAZYLEN(scar_data) != SCAR_SAVE_LENGTH)
		return // invalid, should delete
	var/version = text2num(scar_data[SCAR_SAVE_VERS])
	if(!version || version < SCAR_CURRENT_VERSION) // get rid of old scars
		return
	if(specified_char_index && (mind?.original_character_slot_index != specified_char_index))
		return
	var/obj/item/bodypart/the_part = get_bodypart("[scar_data[SCAR_SAVE_ZONE]]")
	var/datum/scar/scaries = new
	return scaries.load(the_part, scar_data[SCAR_SAVE_VERS], scar_data[SCAR_SAVE_DESC], scar_data[SCAR_SAVE_PRECISE_LOCATION], text2num(scar_data[SCAR_SAVE_SEVERITY]), text2num(scar_data[SCAR_SAVE_BIOLOGY]), text2num(scar_data[SCAR_SAVE_CHAR_SLOT]))

/// Read all the scars we have for the designated character/scar slots, verify they're good/dump them if they're old/wrong format, create them on the user, and write the scars that passed muster back to the file
/mob/living/carbon/human/proc/load_persistent_scars()
	if(!ckey || !mind?.original_character_slot_index || !client?.prefs.persistent_scars)
		return

	var/path = "data/player_saves/[ckey[1]]/[ckey]/scars.sav"
	var/loaded_char_slot = client.prefs.default_slot

	if(!loaded_char_slot || !fexists(path))
		return FALSE
	var/savefile/F = new /savefile(path)
	if(!F)
		return

	var/char_index = mind.original_character_slot_index
	var/scar_index = mind.current_scar_slot_index || F["current_scar_index"] || 1

	var/scar_string = F["scar[char_index]-[scar_index]"]
	var/valid_scars = ""

	for(var/scar_line in splittext(sanitize_text(scar_string), ";"))
		if(load_scar(scar_line, char_index))
			valid_scars += "[scar_line];"

	WRITE_FILE(F["scar[char_index]-[scar_index]"], sanitize_text(valid_scars))

/// Save any scars we have to our designated slot, then write our current slot so that the next time we call [/mob/living/carbon/human/proc/increment_scar_slot] (the next round we join), we'll be there
/mob/living/carbon/human/proc/save_persistent_scars(nuke=FALSE)
	if(!ckey || !mind?.original_character_slot_index || !client?.prefs.persistent_scars)
		return

	var/path = "data/player_saves/[ckey[1]]/[ckey]/scars.sav"
	var/savefile/F = new /savefile(path)
	var/char_index = mind.original_character_slot_index
	var/scar_index = mind.current_scar_slot_index || F["current_scar_index"] || 1

	if(nuke)
		WRITE_FILE(F["scar[char_index]-[scar_index]"], "")
		return

	for(var/k in all_wounds)
		var/datum/wound/iter_wound = k
		iter_wound.remove_wound() // so we can get the scars for open wounds

	var/valid_scars = format_scars()
	WRITE_FILE(F["scar[char_index]-[scar_index]"], sanitize_text(valid_scars))
	WRITE_FILE(F["current_scar_index"], sanitize_integer(scar_index))

/mob/living/carbon/human/get_biological_state()
	return dna.species.get_biological_state()