/*
 * Backpack
 */

/obj/item/weapon/storage/backpack
	name = "backpack"
	desc = "You wear this on your back and put items into it."
	icon = 'icons/obj/clothing/backpack.dmi'
	icon_state = "backpack"
	sprite_sheets = list(
		SPECIES_TESHARI = 'icons/mob/species/seromi/back.dmi'
		)
	w_class = ITEMSIZE_LARGE
	slot_flags = SLOT_BACK
	max_w_class = ITEMSIZE_LARGE
	max_storage_space = INVENTORY_STANDARD_SPACE
	var/flippable = 0
	var/side = 0 //0 = right, 1 = left

/obj/item/weapon/storage/backpack/attackby(obj/item/weapon/W as obj, mob/user as mob)
	if (src.use_sound)
		playsound(src.loc, src.use_sound, 50, 1, -5)
	..()

/obj/item/weapon/storage/backpack/equipped(var/mob/user, var/slot)
	if (slot == slot_back && src.use_sound)
		playsound(src.loc, src.use_sound, 50, 1, -5)
	..(user, slot)

/*
/obj/item/weapon/storage/backpack/dropped(mob/user as mob)
	if (loc == user && src.use_sound)
		playsound(src.loc, src.use_sound, 50, 1, -5)
	..(user)
*/

/*
 * Backpack Types
 */

/obj/item/weapon/storage/backpack/holding
	name = "bag of holding"
	desc = "A backpack that opens into a localized pocket of Blue Space."
	origin_tech = list(TECH_BLUESPACE = 4)
	icon_state = "holdingpack"
	max_w_class = ITEMSIZE_LARGE
	max_storage_space = ITEMSIZE_COST_NORMAL * 14 // 56
	storage_cost = INVENTORY_STANDARD_SPACE + 1

/obj/item/weapon/storage/backpack/holding/duffle
	name = "dufflebag of holding"
	icon_state = "holdingduffle"

/obj/item/weapon/storage/backpack/holding/attackby(obj/item/weapon/W as obj, mob/user as mob)
	if(istype(W, /obj/item/weapon/storage/backpack/holding))
		user << "<span class='warning'>The Bluespace interfaces of the two devices conflict and malfunction.</span>"
		qdel(W)
		return
	. = ..()

//Please don't clutter the parent storage item with stupid hacks.
/obj/item/weapon/storage/backpack/holding/can_be_inserted(obj/item/W as obj, stop_messages = 0)
	if(istype(W, /obj/item/weapon/storage/backpack/holding))
		return 1
	return ..()

/obj/item/weapon/storage/backpack/santabag
	name = "\improper Santa's gift bag"
	desc = "Space Santa uses this to deliver toys to all the nice children in space in Christmas! Wow, it's pretty big!"
	icon_state = "giftbag0"
	item_state_slots = list(slot_r_hand_str = "giftbag", slot_l_hand_str = "giftbag")
	w_class = ITEMSIZE_LARGE
	max_w_class = ITEMSIZE_NORMAL
	max_storage_space = ITEMSIZE_COST_NORMAL * 100 // can store a ton of shit!
	item_state_slots = null

/obj/item/weapon/storage/backpack/cultpack
	name = "trophy rack"
	desc = "It's useful for both carrying extra gear and proudly declaring your insanity."
	icon_state = "cultpack"

/obj/item/weapon/storage/backpack/clown
	name = "Giggles von Honkerton"
	desc = "It's a backpack made by Honk! Co."
	icon_state = "clownpack"

/obj/item/weapon/storage/backpack/medic
	name = "medical backpack"
	desc = "It's a backpack especially designed for use in a sterile environment."
	icon_state = "medicalpack"

/obj/item/weapon/storage/backpack/security
	name = "security backpack"
	desc = "It's a very robust backpack."
	icon_state = "securitypack"

/obj/item/weapon/storage/backpack/captain
	name = "colony director's backpack"
	desc = "It's a special backpack made exclusively for officers."
	icon_state = "captainpack"

/obj/item/weapon/storage/backpack/industrial
	name = "industrial backpack"
	desc = "It's a tough backpack for the daily grind of station life."
	icon_state = "engiepack"

/obj/item/weapon/storage/backpack/toxins
	name = "laboratory backpack"
	desc = "It's a light backpack modeled for use in laboratories and other scientific institutions."
	icon_state = "toxpack"

/obj/item/weapon/storage/backpack/hydroponics
	name = "herbalist's backpack"
	desc = "It's a green backpack with many pockets to store plants and tools in."
	icon_state = "hydpack"

/obj/item/weapon/storage/backpack/genetics
	name = "geneticist backpack"
	desc = "It's a backpack fitted with slots for diskettes and other workplace tools."
	icon_state = "genpack"

/obj/item/weapon/storage/backpack/virology
	name = "sterile backpack"
	desc = "It's a sterile backpack able to withstand different pathogens from entering its fabric."
	icon_state = "viropack"

/obj/item/weapon/storage/backpack/chemistry
	name = "chemistry backpack"
	desc = "It's an orange backpack which was designed to hold beakers, pill bottles and bottles."
	icon_state = "chempack"

/*
 * Duffle Types
 */

/obj/item/weapon/storage/backpack/dufflebag
	name = "dufflebag"
	desc = "A large dufflebag for holding extra things."
	icon_state = "duffle"
	slowdown = 1
	max_storage_space = INVENTORY_DUFFLEBAG_SPACE

/obj/item/weapon/storage/backpack/dufflebag/syndie
	name = "black dufflebag"
	desc = "A large dufflebag for holding extra tactical supplies. This one appears to be made out of lighter material than usual."
	icon_state = "duffle_syndie"
	slowdown = 0

/obj/item/weapon/storage/backpack/dufflebag/syndie/med
	name = "medical dufflebag"
	desc = "A large dufflebag for holding extra tactical medical supplies. This one appears to be made out of lighter material than usual."
	icon_state = "duffle_syndiemed"

/obj/item/weapon/storage/backpack/dufflebag/syndie/ammo
	name = "ammunition dufflebag"
	desc = "A large dufflebag for holding extra weapons ammunition and supplies. This one appears to be made out of lighter material than usual."
	icon_state = "duffle_syndieammo"

/obj/item/weapon/storage/backpack/dufflebag/captain
	name = "colony director's dufflebag"
	desc = "A large dufflebag for holding extra captainly goods."
	icon_state = "duffle_captain"

/obj/item/weapon/storage/backpack/dufflebag/med
	name = "medical dufflebag"
	desc = "A large dufflebag for holding extra medical supplies."
	icon_state = "duffle_med"

/obj/item/weapon/storage/backpack/dufflebag/emt
	name = "EMT dufflebag"
	desc = "A large dufflebag for holding extra medical supplies. This one has reflective stripes!"
	icon_state = "duffle_emt"

/obj/item/weapon/storage/backpack/dufflebag/sec
	name = "security dufflebag"
	desc = "A large dufflebag for holding extra security supplies and ammunition."
	icon_state = "duffle_sec"

/obj/item/weapon/storage/backpack/dufflebag/eng
	name = "industrial dufflebag"
	desc = "A large dufflebag for holding extra tools and supplies."
	icon_state = "duffle_eng"

/obj/item/weapon/storage/backpack/dufflebag/sci
	name = "science dufflebag"
	desc = "A large dufflebag for holding circuits and beakers."
	icon_state = "duffle_sci"

/*
 * Satchel Types
 */

/obj/item/weapon/storage/backpack/satchel
	name = "leather satchel"
	desc = "It's a very fancy satchel made with fine leather."
	icon_state = "satchel"
	item_state_slots = list(slot_r_hand_str = "briefcase", slot_l_hand_str = "briefcase")

/obj/item/weapon/storage/backpack/satchel/withwallet
	starts_with = list(/obj/item/weapon/storage/wallet/random)

/obj/item/weapon/storage/backpack/satchel/norm
	name = "satchel"
	desc = "A trendy looking satchel."
	icon_state = "satchel-norm"

/obj/item/weapon/storage/backpack/satchel/eng
	name = "industrial satchel"
	desc = "A tough satchel with extra pockets."
	icon_state = "satchel-eng"
	item_state_slots = list(slot_r_hand_str = "engiepack", slot_l_hand_str = "engiepack")

/obj/item/weapon/storage/backpack/satchel/med
	name = "medical satchel"
	desc = "A sterile satchel used in medical departments."
	icon_state = "satchel-med"
	item_state_slots = list(slot_r_hand_str = "medicalpack", slot_l_hand_str = "medicalpack")

/obj/item/weapon/storage/backpack/satchel/vir
	name = "virologist satchel"
	desc = "A sterile satchel with virologist colours."
	icon_state = "satchel-vir"
	item_state_slots = list(slot_r_hand_str = "viropack", slot_l_hand_str = "viropack")

/obj/item/weapon/storage/backpack/satchel/chem
	name = "chemist satchel"
	desc = "A sterile satchel with chemist colours."
	icon_state = "satchel-chem"
	item_state_slots = list(slot_r_hand_str = "chempack", slot_l_hand_str = "chempack")

/obj/item/weapon/storage/backpack/satchel/gen
	name = "geneticist satchel"
	desc = "A sterile satchel with geneticist colours."
	icon_state = "satchel-gen"
	item_state_slots = list(slot_r_hand_str = "genpack", slot_l_hand_str = "genpack")

/obj/item/weapon/storage/backpack/satchel/tox
	name = "scientist satchel"
	desc = "Useful for holding research materials."
	icon_state = "satchel-tox"
	item_state_slots = list(slot_r_hand_str = "toxpack", slot_l_hand_str = "toxpack")

/obj/item/weapon/storage/backpack/satchel/sec
	name = "security satchel"
	desc = "A robust satchel for security related needs."
	icon_state = "satchel-sec"
	item_state_slots = list(slot_r_hand_str = "securitypack", slot_l_hand_str = "securitypack")

/obj/item/weapon/storage/backpack/satchel/hyd
	name = "hydroponics satchel"
	desc = "A green satchel for plant related work."
	icon_state = "satchel_hyd"

/obj/item/weapon/storage/backpack/satchel/cap
	name = "colony director's satchel"
	desc = "An exclusive satchel for officers."
	icon_state = "satchel-cap"
	item_state_slots = list(slot_r_hand_str = "captainpack", slot_l_hand_str = "captainpack")

//ERT backpacks.
/obj/item/weapon/storage/backpack/ert
	name = "emergency response team backpack"
	desc = "A spacious backpack with lots of pockets, used by members of the Emergency Response Team."
	icon_state = "ert_commander"
	item_state_slots = list(slot_r_hand_str = "securitypack", slot_l_hand_str = "securitypack")

//Commander
/obj/item/weapon/storage/backpack/ert/commander
	name = "emergency response team commander backpack"
	desc = "A spacious backpack with lots of pockets, worn by the commander of an Emergency Response Team."

//Security
/obj/item/weapon/storage/backpack/ert/security
	name = "emergency response team security backpack"
	desc = "A spacious backpack with lots of pockets, worn by security members of an Emergency Response Team."
	icon_state = "ert_security"

//Engineering
/obj/item/weapon/storage/backpack/ert/engineer
	name = "emergency response team engineer backpack"
	desc = "A spacious backpack with lots of pockets, worn by engineering members of an Emergency Response Team."
	icon_state = "ert_engineering"

//Medical
/obj/item/weapon/storage/backpack/ert/medical
	name = "emergency response team medical backpack"
	desc = "A spacious backpack with lots of pockets, worn by medical members of an Emergency Response Team."
	icon_state = "ert_medical"

/*
 * Courier Bags
 */

/obj/item/weapon/storage/backpack/messenger
	name = "messenger bag"
	desc = "A sturdy backpack worn over one shoulder."
	icon_state = "courierbag"
	item_state_slots = list(slot_r_hand_str = "backpack", slot_l_hand_str = "backpack")

/obj/item/weapon/storage/backpack/messenger/chem
	name = "chemistry messenger bag"
	desc = "A serile backpack worn over one shoulder.  This one is in Chemsitry colors."
	icon_state = "courierbagchem"
	item_state_slots = list(slot_r_hand_str = "chempack", slot_l_hand_str = "chempack")

/obj/item/weapon/storage/backpack/messenger/med
	name = "medical messenger bag"
	desc = "A sterile backpack worn over one shoulder used in medical departments."
	icon_state = "courierbagmed"
	item_state_slots = list(slot_r_hand_str = "medicalpack", slot_l_hand_str = "medicalpack")

/obj/item/weapon/storage/backpack/messenger/viro
	name = "virology messenger bag"
	desc = "A sterile backpack worn over one shoulder.  This one is in Virology colors."
	icon_state = "courierbagviro"
	item_state_slots = list(slot_r_hand_str = "viropack", slot_l_hand_str = "viropack")

/obj/item/weapon/storage/backpack/messenger/tox
	name = "research messenger bag"
	desc = "A backpack worn over one shoulder.  Useful for holding science materials."
	icon_state = "courierbagtox"
	item_state_slots = list(slot_r_hand_str = "toxpack", slot_l_hand_str = "toxpack")

/obj/item/weapon/storage/backpack/messenger/com
	name = "command messenger bag"
	desc = "A special backpack worn over one shoulder.  This one is made specifically for officers."
	icon_state = "courierbagcom"
	item_state_slots = list(slot_r_hand_str = "captainpack", slot_l_hand_str = "captainpack")

/obj/item/weapon/storage/backpack/messenger/engi
	name = "engineering messenger bag"
	icon_state = "courierbagengi"
	item_state_slots = list(slot_r_hand_str = "engiepack", slot_l_hand_str = "engiepack")

/obj/item/weapon/storage/backpack/messenger/hyd
	name = "hydroponics messenger bag"
	desc = "A backpack worn over one shoulder.  This one is designed for plant-related work."
	icon_state = "courierbaghyd"

/obj/item/weapon/storage/backpack/messenger/sec
	name = "security messenger bag"
	desc = "A tactical backpack worn over one shoulder. This one is in Security colors."
	icon_state = "courierbagsec"
	item_state_slots = list(slot_r_hand_str = "securitypack", slot_l_hand_str = "securitypack")

/obj/item/weapon/storage/backpack/messenger/black
	icon_state = "courierbagblk"


//Purses
/obj/item/weapon/storage/backpack/purse
	name = "purse"
	desc = "A small, fashionable bag typically worn over the shoulder."
	icon_state = "purse"
	item_state_slots = list(slot_r_hand_str = "lgpurse", slot_l_hand_str = "lgpurse")
	w_class = ITEMSIZE_LARGE
	max_w_class = ITEMSIZE_NORMAL
	max_storage_space = ITEMSIZE_COST_NORMAL * 5

//Parachutes
/obj/item/weapon/storage/backpack/parachute
	name = "parachute"
	desc = "A specially made backpack, designed to help one survive jumping from incredible heights. It sacrifices some storage space for that added functionality."
	icon_state = "parachute"
	item_state_slots = list(slot_r_hand_str = "backpack", slot_l_hand_str = "backpack")
	max_storage_space = ITEMSIZE_COST_NORMAL * 5

/obj/item/weapon/storage/backpack/parachute/examine(mob/user)
	var/msg = desc
	if(get_dist(src, user) <= 1)
		if(parachute)
			msg += " It seems to be packed."
		else
			msg += " It seems to be unpacked."
	to_chat(user, msg)

/obj/item/weapon/storage/backpack/parachute/handleParachute()
	parachute = FALSE	//If you parachute in, the parachute has probably been used.

/obj/item/weapon/storage/backpack/parachute/verb/pack_parachute()

	set name = "Pack/Unpack Parachute"
	set category = "Object"
	set src in usr

	if(!istype(src.loc, /mob/living))
		return

	var/mob/living/carbon/human/H = usr

	if(!istype(H))
		return
	if(H.stat)
		return
	if(H.back == src)
		to_chat(H, "<span class='warning'>How do you expect to work on \the [src] while it's on your back?</span>")
		return

	if(!parachute)	//This packs the parachute
		H.visible_message("<span class='notice'>\The [H] starts to pack \the [src]!</span>", \
					"<span class='notice'>You start to pack \the [src]!</span>", \
					"You hear the shuffling of cloth.")
		if(do_after(H, 50))
			H.visible_message("<span class='notice'>\The [H] finishes packing \the [src]!</span>", \
					"<span class='notice'>You finish packing \the [src]!</span>", \
					"You hear the shuffling of cloth.")
			parachute = TRUE
		else
			H.visible_message("<span class='notice'>\The [src] gives up on packing \the [src]!</span>", \
					"<span class='notice'>You give up on packing \the [src]!</span>")
			return
	else			//This unpacks the parachute
		H.visible_message("<span class='notice'>\The [src] starts to unpack \the [src]!</span>", \
					"<span class='notice'>You start to unpack \the [src]!</span>", \
					"You hear the shuffling of cloth.")
		if(do_after(H, 25))
			H.visible_message("<span class='notice'>\The [src] finishes unpacking \the [src]!</span>", \
					"<span class='notice'>You finish unpacking \the [src]!</span>", \
					"You hear the shuffling of cloth.")
			parachute = FALSE
		else
			H.visible_message("<span class='notice'>\The [src] decides not to unpack \the [src]!</span>", \
					"<span class='notice'>You decide not to unpack \the [src]!</span>")
	return