/*
 * Backpack
 */

/obj/item/weapon/storage/backpack
	name = "backpack"
	desc = "You wear this on your back and put items into it."
	icon_state = "backpack"
	item_state = "backpack"
	w_class = 4.0
	slot_flags = SLOT_BACK	//ERROOOOO
	max_w_class = 3
	max_combined_w_class = 21

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

/*
 * 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 = "bluespace=4"
	icon_state = "holdingpack"
	max_w_class = 4
	max_combined_w_class = 28

	New()
		..()
		return

	attackby(obj/item/weapon/W as obj, mob/user as mob, params)
		if(crit_fail)
			user << "\red The Bluespace generator isn't working."
			return
		if(istype(W, /obj/item/weapon/storage/backpack/holding) && !W.crit_fail)
			investigate_log("has become a singularity. Caused by [user.key]","singulo")
			user << "\red The Bluespace interfaces of the two devices catastrophically malfunction!"
			qdel(W)
			var/obj/singularity/singulo = new /obj/singularity (get_turf(src))
			singulo.energy = 300 //should make it a bit bigger~
			message_admins("[key_name_admin(user)] detonated a bag of holding")
			log_game("[key_name(user)] detonated a bag of holding")
			qdel(src)
			return

		..()

	proc/failcheck(mob/user as mob)
		if (prob(src.reliability)) return 1 //No failure
		if (prob(src.reliability))
			user << "\red The Bluespace portal resists your attempt to add another item." //light failure
		else
			user << "\red The Bluespace generator malfunctions!"
			for (var/obj/O in src.contents) //it broke, delete what was in it
				qdel(O)
			crit_fail = 1
			icon_state = "brokenpack"

	singularity_act(current_size)
		var/dist = max((current_size - 2),1)
		explosion(src.loc,(dist),(dist*2),(dist*4))
		return


/obj/item/weapon/storage/backpack/santabag
	name = "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 = "giftbag"
	w_class = 4.0
	storage_slots = 20
	max_w_class = 3
	max_combined_w_class = 400 // can store a ton of shit!

/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"
	item_state = "clownpack"

/obj/item/weapon/storage/backpack/mime
	name = "Parcel Parceaux"
	desc = "A silent backpack made for those silent workers. Silence Co."
	icon_state = "mimepack"
	item_state = "mimepack"

/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"
	item_state = "medicalpack"

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

/obj/item/weapon/storage/backpack/captain
	name = "captain's backpack"
	desc = "It's a special backpack made exclusively for Nanotrasen officers."
	icon_state = "captainpack"
	item_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"
	item_state = "engiepack"

/*
 * 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"

/obj/item/weapon/storage/backpack/satcheldeluxe
	name = "leather satchel"
	desc = "An NT Deluxe satchel, with the finest quality leather and the company logo in a thin gold stitch"
	icon_state = "nt_deluxe"


/obj/item/weapon/storage/backpack/satchel/withwallet
	New()
		..()
		new /obj/item/weapon/storage/wallet/random( src )

/obj/item/weapon/storage/backpack/satchel_norm
	name = "satchel"
	desc = "A deluxe NT Satchel, made of the highest quality leather."
	icon_state = "satchel"

/obj/item/weapon/storage/backpack/satchel_eng
	name = "industrial satchel"
	desc = "A tough satchel with extra pockets."
	icon_state = "satchel-eng"
	item_state = "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 = "medicalpack"

/obj/item/weapon/storage/backpack/satchel_vir
	name = "virologist satchel"
	desc = "A sterile satchel with virologist colours."
	icon_state = "satchel-vir"

/obj/item/weapon/storage/backpack/satchel_chem
	name = "chemist satchel"
	desc = "A sterile satchel with chemist colours."
	icon_state = "satchel-chem"

/obj/item/weapon/storage/backpack/satchel_gen
	name = "geneticist satchel"
	desc = "A sterile satchel with geneticist colours."
	icon_state = "satchel-gen"

/obj/item/weapon/storage/backpack/satchel_tox
	name = "scientist satchel"
	desc = "Useful for holding research materials."
	icon_state = "satchel-tox"

/obj/item/weapon/storage/backpack/satchel_sec
	name = "security satchel"
	desc = "A robust satchel for security related needs."
	icon_state = "satchel-sec"
	item_state = "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 = "captain's satchel"
	desc = "An exclusive satchel for Nanotrasen officers."
	icon_state = "satchel-cap"
	item_state = "captainpack"

/obj/item/weapon/storage/backpack/satchel_flat
	name = "smuggler's satchel"
	desc = "A very slim satchel that can easily fit into tight spaces."
	icon_state = "satchel-flat"
	w_class = 3 //Can fit in backpacks itself.
	storage_slots = 5
	max_combined_w_class = 15
	level = 1
	cant_hold = list(/obj/item/weapon/storage/backpack/satchel_flat) //muh recursive backpacks

/obj/item/weapon/storage/backpack/satchel_flat/hide(var/intact)
	if(intact)
		invisibility = 101
		anchored = 1 //otherwise you can start pulling, cover it, and drag around an invisible backpack.
		icon_state = "[initial(icon_state)]2"
	else
		invisibility = initial(invisibility)
		anchored = 0
		icon_state = initial(icon_state)

/obj/item/weapon/storage/backpack/satchel_flat/New()
	..()
	new /obj/item/stack/tile/plasteel(src)
	new /obj/item/weapon/crowbar(src)

/*
 * Duffelbags - My thanks to MrSnapWalk for the original icon and Neinhaus for the job variants - Dave.
 */

/obj/item/weapon/storage/backpack/duffel
	name = "duffelbag"
	desc = "A large grey duffelbag designed to hold more items than a regular bag."
	icon_override = 'icons/mob/in-hand/duffelbag.dmi'
	icon_state = "duffel"
	item_state = "duffel"
	storage_slots = 9 // Duffelbags can hold more items.
	max_combined_w_class = 27
	slowdown = 1

/obj/item/weapon/storage/backpack/duffel/syndimed
	name = "suspicious duffelbag"
	desc = "A black and red duffelbag with a red and white cross sewn onto it."
	icon_state = "duffel-syndimed"
	item_state = "duffel-syndimed"
	slowdown = 0

/obj/item/weapon/storage/backpack/duffel/syndiammo
	name = "suspicious duffelbag"
	desc = "A black and red duffelbag with a patch depicting shotgun shells sewn onto it."
	icon_state = "duffel-syndiammo"
	item_state = "duffel-syndiammo"
	slowdown = 0

/obj/item/weapon/storage/backpack/duffel/captain
	name = "captain's duffelbag"
	desc = "A duffelbag designed to hold large quantities of condoms."
	icon_state = "duffel-captain"
	item_state = "duffel-captain"


/obj/item/weapon/storage/backpack/duffel/security
	name = "security duffelbag"
	desc = "A duffelbag built with robust fabric!"
	icon_state = "duffel-security"
	item_state = "duffel-security"

/obj/item/weapon/storage/backpack/duffel/virology
	name = "virology duffelbag"
	desc = "A white duffelbag designed to contain biohazards."
	icon_state = "duffel-viro"
	item_state = "duffel-viro"

/obj/item/weapon/storage/backpack/duffel/science
	name = "scientist duffelbag"
	desc = "A duffelbag designed to hold the secrets of space."
	icon_state = "duffel-toxins"
	item_state = "duffel-toxins"

/obj/item/weapon/storage/backpack/duffel/genetics
	name = "scientist duffelbag"
	desc = "A duffelbag designed to hold gibbering monkies."
	icon_state = "duffel-toxins"
	item_state = "duffel-toxins"

/obj/item/weapon/storage/backpack/duffel/chemistry
	name = "scientist duffelbag"
	desc = "A duffelbag designed to hold corrosive substances."
	icon_state = "duffel-chemistry"
	item_state = "duffel-chemistry"

/obj/item/weapon/storage/backpack/duffel/medical
	name = "medical duffelbag"
	desc = "A duffelbag designed to hold medicine."
	icon_state = "duffel-med"
	item_state = "duffel-med"

/obj/item/weapon/storage/backpack/duffel/engineering
	name = "industrial duffelbag"
	desc = "A duffelbag designed to hold tools."
	icon_state = "duffel-eng"
	item_state = "duffel-eng"

/obj/item/weapon/storage/backpack/duffel/hydro
	name = "hydroponics duffelbag"
	desc = "A duffelbag designed to hold seeds and fauna."
	icon_state = "duffel-hydro"
	item_state = "duffel-hydro"

/obj/item/weapon/storage/backpack/duffel/clown
	name = "smiles von wiggleton"
	desc = "A duffelbag designed to hold bananas and bike horns."
	icon_state = "duffel-clown"
	item_state = "duffel-clown"

//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 Nanotrasen Emergency Response Team."
	icon_state = "ert_commander"
	item_state = "backpack"

//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 a Nanotrasen 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 a Nanotrasen 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 a Nanotrasen 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 a Nanotrasen Emergency Response Team."
	icon_state = "ert_medical"

//Janitorial
/obj/item/weapon/storage/backpack/ert/janitor
	name = "emergency response team janitor backpack"
	desc = "A spacious backpack with lots of pockets, worn by janitorial members of a Nanotrasen Emergency Response Team."
	icon_state = "ert_janitor"