//The advanced pea-green monochrome lcd of tomorrow.

var/global/list/obj/item/device/pda/PDAs = list()

/obj/item/device/pda
	name = "\improper PDA"
	desc = "A portable microcomputer by Thinktronic Systems, LTD. Functionality determined by a preprogrammed ROM cartridge."
	icon = 'icons/obj/pda.dmi'
	icon_state = "pda"
	item_state = "electronic"
	w_class = ITEMSIZE_SMALL
	slot_flags = SLOT_ID | SLOT_BELT
	sprite_sheets = list(SPECIES_TESHARI = 'icons/mob/species/teshari/id.dmi')

	//Main variables
	var/pdachoice = 1
	var/owner = null
	var/default_cartridge = 0 // Access level defined by cartridge
	var/obj/item/weapon/cartridge/cartridge = null //current cartridge

	//Secondary variables
	var/model_name = "Thinktronic 5230 Personal Data Assistant"
	var/datum/data/pda/utility/scanmode/scanmode = null

	var/lock_code = "" // Lockcode to unlock uplink
	var/honkamt = 0 //How many honks left when infected with honk.exe
	var/mimeamt = 0 //How many silence left when infected with mime.exe
	var/detonate = 1 // Can the PDA be blown up?
	var/ttone = "beep" //The ringtone!
	var/list/ttone_sound = list("beep" = 'sound/machines/twobeep.ogg',
								"boom" = 'sound/effects/explosionfar.ogg',
								"slip" = 'sound/misc/slip.ogg',
								"honk" = 'sound/items/bikehorn.ogg',
								"SKREE" = 'sound/voice/shriek1.ogg',
								// "holy" = 'sound/items/PDA/ambicha4-short.ogg',
								"xeno" = 'sound/voice/hiss1.ogg')
	var/hidden = 0 // Is the PDA hidden from the PDA list?
	var/touch_silent = 0 //If 1, no beeps on interacting.

	var/obj/item/weapon/card/id/id = null //Making it possible to slot an ID card into the PDA so it can function as both.
	var/ownjob = null //related to above - this is assignment (potentially alt title)
	var/ownrank = null // this one is rank, never alt title

	var/obj/item/device/paicard/pai = null	// A slot for a personal AI device

	var/spam_proof = FALSE // If true, it can't be spammed by random events.

	var/datum/data/pda/app/current_app = null
	var/datum/data/pda/app/lastapp = null
	var/list/programs = list(
		new/datum/data/pda/app/main_menu,
		new/datum/data/pda/app/notekeeper,
		new/datum/data/pda/app/news,
		new/datum/data/pda/app/messenger,
		new/datum/data/pda/app/manifest,
		new/datum/data/pda/app/atmos_scanner,
		new/datum/data/pda/utility/scanmode/notes,
		new/datum/data/pda/utility/flashlight)
	var/list/shortcut_cache = list()
	var/list/shortcut_cat_order = list()
	var/list/notifying_programs = list()
	var/retro_mode = 0

/obj/item/device/pda/examine(mob/user)
	. = ..()
	if(Adjacent(user))
		. += "The time [stationtime2text()] is displayed in the corner of the screen."

/obj/item/device/pda/CtrlClick()
	if(issilicon(usr))
		return

	if(can_use(usr))
		remove_pen()
		return
	..()

/obj/item/device/pda/AltClick()
	if(issilicon(usr))
		return

	if ( can_use(usr) )
		if(id)
			remove_id()
		else
			to_chat(usr, "<span class='notice'>This PDA does not have an ID in it.</span>")

/obj/item/device/pda/proc/play_ringtone()
	var/S

	if(ttone in ttone_sound)
		S = ttone_sound[ttone]
	else
		S = 'sound/machines/twobeep.ogg'
	playsound(loc, S, 50, 1)
	for(var/mob/O in hearers(3, loc))
		O.show_message(text("[bicon(src)] *[ttone]*"))

/obj/item/device/pda/proc/set_ringtone()
	var/t = input("Please enter new ringtone", name, ttone) as text
	if(in_range(src, usr) && loc == usr)
		if(t)
			if(hidden_uplink && hidden_uplink.check_trigger(usr, lowertext(t), lowertext(lock_code)))
				to_chat(usr, "The PDA softly beeps.")
				close(usr)
			else
				t = sanitize(copytext(t, 1, 20))
				ttone = t
			return 1
	else
		close(usr)
	return 0

/obj/item/device/pda/New(var/mob/living/carbon/human/H)
	..()
	PDAs += src
	PDAs = sortAtom(PDAs)
	update_programs()
	if(default_cartridge)
		cartridge = new default_cartridge(src)
		cartridge.update_programs(src)
	new /obj/item/weapon/pen(src)
	pdachoice = isnull(H) ? 1 : (ishuman(H) ? H.pdachoice : 1)
	switch(pdachoice)
		if(1) icon = 'icons/obj/pda.dmi'
		if(2) icon = 'icons/obj/pda_slim.dmi'
		if(3) icon = 'icons/obj/pda_old.dmi'
		if(4) icon = 'icons/obj/pda_rugged.dmi'
		if(5) icon = 'icons/obj/pda_holo.dmi'
		if(6)
			icon = 'icons/obj/pda_wrist.dmi'
			item_state = icon_state
			item_icons = list(
				slot_belt_str = 'icons/mob/pda_wrist.dmi',
				slot_wear_id_str = 'icons/mob/pda_wrist.dmi',
				slot_gloves_str = 'icons/mob/pda_wrist.dmi'
			)
			desc = "A portable microcomputer by Thinktronic Systems, LTD. This model is a wrist-bound version."
			slot_flags = SLOT_ID | SLOT_BELT | SLOT_GLOVES
			sprite_sheets = list(
				SPECIES_TESHARI = 'icons/mob/species/teshari/pda_wrist.dmi',
				SPECIES_VR_TESHARI = 'icons/mob/species/teshari/pda_wrist.dmi',
			)
		else
			icon = 'icons/obj/pda_old.dmi'
			log_debug("Invalid switch for PDA, defaulting to old PDA icons. [pdachoice] chosen.")
	start_program(find_program(/datum/data/pda/app/main_menu))

/obj/item/device/pda/proc/can_use(mob/user)
	return (tgui_status(user, GLOB.tgui_inventory_state) == STATUS_INTERACTIVE)

/obj/item/device/pda/GetAccess()
	if(id)
		return id.GetAccess()
	else
		return ..()

/obj/item/device/pda/GetID()
	return id

/obj/item/device/pda/MouseDrop(obj/over_object as obj, src_location, over_location)
	var/mob/M = usr
	if((!istype(over_object, /obj/screen)) && can_use(usr))
		return attack_self(M)
	return

/obj/item/device/pda/proc/close(mob/user)
	SStgui.close_uis(src)

/obj/item/device/pda/attack_self(mob/user as mob)
	user.set_machine(src)

	if(active_uplink_check(user))
		return

	tgui_interact(user)
	return

/obj/item/device/pda/proc/start_program(datum/data/pda/P)
	if(P && ((P in programs) || (cartridge && (P in cartridge.programs))))
		return P.start()
	return 0

/obj/item/device/pda/proc/find_program(type)
	var/datum/data/pda/A = locate(type) in programs
	if(A)
		return A
	if(cartridge)
		A = locate(type) in cartridge.programs
		if(A)
			return A
	return null

// force the cache to rebuild on update_ui
/obj/item/device/pda/proc/update_shortcuts()
	shortcut_cache.Cut()

/obj/item/device/pda/proc/update_programs()
	for(var/A in programs)
		var/datum/data/pda/P = A
		P.pda = src

/obj/item/device/pda/proc/detonate_act(var/obj/item/device/pda/P)
	//TODO: sometimes these attacks show up on the message server
	var/i = rand(1,100)
	var/j = rand(0,1) //Possibility of losing the PDA after the detonation
	var/message = ""
	var/mob/living/M = null
	if(ismob(P.loc))
		M = P.loc

	//switch(i) //Yes, the overlapping cases are intended.
	if(i<=10) //The traditional explosion
		P.explode()
		j=1
		message += "Your [P] suddenly explodes!"
	if(i>=10 && i<= 20) //The PDA burns a hole in the holder.
		j=1
		if(M && isliving(M))
			M.apply_damage( rand(30,60) , BURN)
		message += "You feel a searing heat! Your [P] is burning!"
	if(i>=20 && i<=25) //EMP
		empulse(P.loc, 1, 2, 4, 6, 1)
		message += "Your [P] emits a wave of electromagnetic energy!"
	if(i>=25 && i<=40) //Smoke
		var/datum/effect/effect/system/smoke_spread/chem/S = new /datum/effect/effect/system/smoke_spread/chem
		S.attach(P.loc)
		S.set_up(P, 10, 0, P.loc)
		playsound(P, 'sound/effects/smoke.ogg', 50, 1, -3)
		S.start()
		message += "Large clouds of smoke billow forth from your [P]!"
	if(i>=40 && i<=45) //Bad smoke
		var/datum/effect/effect/system/smoke_spread/bad/B = new /datum/effect/effect/system/smoke_spread/bad
		B.attach(P.loc)
		B.set_up(P, 10, 0, P.loc)
		playsound(P, 'sound/effects/smoke.ogg', 50, 1, -3)
		B.start()
		message += "Large clouds of noxious smoke billow forth from your [P]!"
	if(i>=65 && i<=75) //Weaken
		if(M && isliving(M))
			M.apply_effects(0,1)
		message += "Your [P] flashes with a blinding white light! You feel weaker."
	if(i>=75 && i<=85) //Stun and stutter
		if(M && isliving(M))
			M.apply_effects(1,0,0,0,1)
		message += "Your [P] flashes with a blinding white light! You feel weaker."
	if(i>=85) //Sparks
		var/datum/effect/effect/system/spark_spread/s = new /datum/effect/effect/system/spark_spread
		s.set_up(2, 1, P.loc)
		s.start()
		message += "Your [P] begins to spark violently!"
	if(i>45 && i<65 && prob(50)) //Nothing happens
		message += "Your [P] bleeps loudly."
		j = prob(10)

	if(j && detonate) //This kills the PDA
		qdel(P)
		if(message)
			message += "It melts in a puddle of plastic."
		else
			message += "Your [P] shatters in a thousand pieces!"

	if(M && isliving(M))
		message = "<span class='warning'>[message]</span>"
		M.show_message(message, 1)

/obj/item/device/pda/proc/remove_id()
	if (id)
		if (ismob(loc))
			var/mob/M = loc
			M.put_in_hands(id)
			to_chat(usr, "<span class='notice'>You remove the ID from the [name].</span>")
			playsound(src, 'sound/machines/id_swipe.ogg', 100, 1)
		else
			id.loc = get_turf(src)
		id = null

/obj/item/device/pda/proc/remove_pen()
	var/obj/item/weapon/pen/O = locate() in src
	if(O)
		if(istype(loc, /mob))
			var/mob/M = loc
			if(M.get_active_hand() == null)
				M.put_in_hands(O)
				to_chat(usr, "<span class='notice'>You remove \the [O] from \the [src].</span>")
				return
		O.loc = get_turf(src)
	else
		to_chat(usr, "<span class='notice'>This PDA does not have a pen in it.</span>")

/obj/item/device/pda/verb/verb_reset_pda()
	set category = "Object"
	set name = "Reset PDA"
	set src in usr

	if(issilicon(usr))
		return

	if(can_use(usr))
		start_program(find_program(/datum/data/pda/app/main_menu))
		notifying_programs.Cut()
		overlays -= image(icon, "pda-r")
		to_chat(usr, "<span class='notice'>You press the reset button on \the [src].</span>")
	else
		to_chat(usr, "<span class='notice'>You cannot do this while restrained.</span>")

/obj/item/device/pda/verb/verb_remove_id()
	set category = "Object"
	set name = "Remove id"
	set src in usr

	if(issilicon(usr))
		return

	if ( can_use(usr) )
		if(id)
			remove_id()
		else
			to_chat(usr, "<span class='notice'>This PDA does not have an ID in it.</span>")
	else
		to_chat(usr, "<span class='notice'>You cannot do this while restrained.</span>")


/obj/item/device/pda/verb/verb_remove_pen()
	set category = "Object"
	set name = "Remove pen"
	set src in usr

	if(issilicon(usr))
		return

	if ( can_use(usr) )
		remove_pen()
	else
		to_chat(usr, "<span class='notice'>You cannot do this while restrained.</span>")

/obj/item/device/pda/verb/verb_remove_cartridge()
	set category = "Object"
	set name = "Remove cartridge"
	set src in usr

	if(issilicon(usr))
		return

	if(!can_use(usr))
		to_chat(usr, "<span class='notice'>You cannot do this while restrained.</span>")
		return

	if(isnull(cartridge))
		to_chat(usr, "<span class='notice'>There's no cartridge to eject.</span>")
		return

	cartridge.forceMove(get_turf(src))
	if(ismob(loc))
		var/mob/M = loc
		M.put_in_hands(cartridge)
	// mode = 0
	// scanmode = 0
	if (cartridge.radio)
		cartridge.radio.hostpda = null
	to_chat(usr, "<span class='notice'>You remove \the [cartridge] from the [name].</span>")
	playsound(src, 'sound/machines/id_swipe.ogg', 100, 1)
	cartridge = null
	update_programs()
	update_shortcuts()
	start_program(find_program(/datum/data/pda/app/main_menu))


/obj/item/device/pda/proc/id_check(mob/user as mob, choice as num)//To check for IDs; 1 for in-pda use, 2 for out of pda use.
	if(choice == 1)
		if (id)
			remove_id()
			return 1
		else
			var/obj/item/I = user.get_active_hand()
			if (istype(I, /obj/item/weapon/card/id) && user.unEquip(I))
				I.loc = src
				id = I
			return 1
	else
		var/obj/item/weapon/card/I = user.get_active_hand()
		if (istype(I, /obj/item/weapon/card/id) && I:registered_name && user.unEquip(I))
			var/obj/old_id = id
			I.loc = src
			id = I
			user.put_in_hands(old_id)
			return 1
	return 0

// access to status display signals
/obj/item/device/pda/attackby(obj/item/C as obj, mob/user as mob)
	..()
	if(istype(C, /obj/item/weapon/cartridge) && !cartridge)
		cartridge = C
		user.drop_item()
		cartridge.loc = src
		cartridge.update_programs(src)
		update_shortcuts()
		to_chat(usr, "<span class='notice'>You insert [cartridge] into [src].</span>")
		if(cartridge.radio)
			cartridge.radio.hostpda = src

	else if(istype(C, /obj/item/weapon/card/id))
		var/obj/item/weapon/card/id/idcard = C
		if(!idcard.registered_name)
			to_chat(user, "<span class='notice'>\The [src] rejects the ID.</span>")
			return
		if(!owner)
			owner = idcard.registered_name
			ownjob = idcard.assignment
			ownrank = idcard.rank
			name = "PDA-[owner] ([ownjob])"
			to_chat(user, "<span class='notice'>Card scanned.</span>")
		else
			//Basic safety check. If either both objects are held by user or PDA is on ground and card is in hand.
			if(((src in user.contents) && (C in user.contents)) || (istype(loc, /turf) && in_range(src, user) && (C in user.contents)) )
				if(id_check(user, 2))
					to_chat(user, "<span class='notice'>You put the ID into \the [src]'s slot.</span>")
					updateSelfDialog()//Update self dialog on success.
			return	//Return in case of failed check or when successful.
		updateSelfDialog()//For the non-input related code.
	else if(istype(C, /obj/item/device/paicard) && !src.pai)
		user.drop_item()
		C.loc = src
		pai = C
		to_chat(user, "<span class='notice'>You slot \the [C] into \the [src].</span>")
		SStgui.update_uis(src) // update all UIs attached to src
	else if(istype(C, /obj/item/weapon/pen))
		var/obj/item/weapon/pen/O = locate() in src
		if(O)
			to_chat(user, "<span class='notice'>There is already a pen in \the [src].</span>")
		else
			user.drop_item()
			C.loc = src
			to_chat(user, "<span class='notice'>You slot \the [C] into \the [src].</span>")
	return

/obj/item/device/pda/attack(mob/living/C as mob, mob/living/user as mob)
	if (istype(C, /mob/living/carbon) && scanmode)
		scanmode.scan_mob(C, user)

/obj/item/device/pda/afterattack(atom/A as mob|obj|turf|area, mob/user as mob, proximity)
	if(proximity && scanmode)
		scanmode.scan_atom(A, user)

/obj/item/device/pda/proc/explode() //This needs tuning. //Sure did.
	if(!src.detonate) return
	var/turf/T = get_turf(src.loc)
	if(T)
		T.hotspot_expose(700,125)
		explosion(T, 0, 0, 1, rand(1,2))
	return

/obj/item/device/pda/Destroy()
	PDAs -= src
	if (src.id && prob(100) && !delete_id) //IDs are kept in 90% of the cases //VOREStation Edit - 100% of the cases, excpet when specified otherwise
		src.id.forceMove(get_turf(src.loc))
	else
		QDEL_NULL(src.id)

	current_app = null
	scanmode = null
	QDEL_NULL(pai)
	QDEL_LIST(programs)
	QDEL_NULL(cartridge)
	return ..()

//Some spare PDAs in a box
/obj/item/weapon/storage/box/PDAs
	name = "box of spare PDAs"
	desc = "A box of spare PDA microcomputers."
	icon = 'icons/obj/pda.dmi'
	icon_state = "pdabox"

/obj/item/weapon/storage/box/PDAs/New()
	..()
	new /obj/item/device/pda(src)
	new /obj/item/device/pda(src)
	new /obj/item/device/pda(src)
	new /obj/item/device/pda(src)
	new /obj/item/weapon/cartridge/head(src)

	var/newcart = pick(	/obj/item/weapon/cartridge/engineering,
						/obj/item/weapon/cartridge/security,
						/obj/item/weapon/cartridge/medical,
						/obj/item/weapon/cartridge/signal/science,
						/obj/item/weapon/cartridge/quartermaster)
	new newcart(src)

// Pass along the pulse to atoms in contents, largely added so pAIs are vulnerable to EMP
/obj/item/device/pda/emp_act(severity)
	for(var/atom/A in src)
		A.emp_act(severity)