/obj/item/laser_pointer
	name = "laser pointer"
	desc = "Don't shine it in your eyes!"
	icon = 'icons/obj/device.dmi'
	icon_state = "pointer"
	item_state = "pen"
	var/pointer_icon_state
	slot_flags = SLOT_BELT
	matter = list(MAT_GLASS = 500, MAT_STEEL = 500)
	w_class = 2 //Increased to 2, because diodes are w_class 2. Conservation of matter.
	origin_tech = list(TECH_MAGNET = 2, TECH_COMBAT = 1)
	var/turf/pointer_loc
	var/energy = 8
	var/max_energy = 8
	var/effectchance = 20
	var/cooldown = 10
	var/last_used_time = 0
	var/recharging = 0
	var/recharge_locked = 0
	var/obj/item/stock_parts/micro_laser/diode //used for upgrading!
	pickup_sound = 'sound/items/pickup/device.ogg'
	drop_sound = 'sound/items/drop/device.ogg'


/obj/item/laser_pointer/red
	pointer_icon_state = "red_laser"
/obj/item/laser_pointer/green
	pointer_icon_state = "green_laser"
/obj/item/laser_pointer/blue
	pointer_icon_state = "blue_laser"
/obj/item/laser_pointer/purple
	pointer_icon_state = "purple_laser"

/obj/item/laser_pointer/Initialize(mapload, var/laser_path)
	. = ..()
	if(ispath(laser_path))
		diode = new laser_path
	else
		diode = new(src)
	if(!pointer_icon_state)
		pointer_icon_state = pick("red_laser","green_laser","blue_laser","purple_laser")

/obj/item/laser_pointer/upgraded/Initialize(mapload)
	. = ..(mapload, /obj/item/stock_parts/micro_laser/ultra)

/obj/item/laser_pointer/attack(mob/living/M, mob/user)
	laser_act(M, user)

/obj/item/laser_pointer/attackby(obj/item/W, mob/user)
	if(istype(W, /obj/item/stock_parts/micro_laser))
		if(!diode)
			user.drop_item()
			W.loc = src
			diode = W
			to_chat(user, span_notice("You install a [diode.name] in [src]."))
		else
			to_chat(user, span_notice("[src] already has a diode."))

	else if(W.has_tool_quality(TOOL_SCREWDRIVER))
		if(diode)
			to_chat(user, span_notice("You remove the [diode.name] from the [src]."))
			diode.loc = get_turf(src.loc)
			diode = null
			return
		..()
	return

/obj/item/laser_pointer/afterattack(var/atom/target, var/mob/living/user, flag, params)
	if(flag)	//we're placing the object on a table or in backpack
		return
	laser_act(target, user)

/obj/item/laser_pointer/proc/laser_act(var/atom/target, var/mob/living/user)
	if(!(user in (viewers(world.view,target))))
		return
	if(!(target in view(user, world.view)))
		return
	if(!(world.time - last_used_time >= cooldown))
		return
	if (!diode)
		to_chat(user, span_notice("You point [src] at [target], but nothing happens!"))
		return
	if (!user.IsAdvancedToolUser())
		to_chat(user, span_warning("You don't have the dexterity to do this!"))
		return

	add_fingerprint(user)

	//nothing happens if the battery is drained
	if(recharge_locked)
		to_chat(user, span_notice("You point [src] at [target], but it's still charging."))
		return

	var/outmsg
	var/turf/targloc = get_turf(target)

	//human/alien mobs
	if(iscarbon(target))
		if(user.zone_sel.selecting == "eyes")
			var/mob/living/carbon/C = target

			//20% chance to actually hit the eyes

			if(prob(effectchance * diode.rating))
				add_attack_logs(user,C,"Tried blinding using [src]")

				//eye target check, will return -1 to 2
				var/eye_prot = C.eyecheck()
				if(C.blinded)
					eye_prot = 4
				var/severity = (rand(0, 1) + diode.rating - eye_prot)
				var/mob/living/carbon/human/H = C
				var/obj/item/organ/internal/eyes/E = H.internal_organs_by_name[O_EYES]
				if(!E)
					outmsg = span_notice("You shine [src] at [C], but they don't seem to have eyes.")
					return

				outmsg = span_notice("You shine [src] into [C]'s eyes.")
				switch(severity)
					if(0)
						//rank 1 diode with basic eye protection (like sunglasses), or rank 2 with industrial protection (like welding goggles)
						to_chat(C, span_info("A small, bright dot appears in your vision."))
					if(1)
						//rank 1 with no protection, rank 2 with basic protection, or rank 3 with industrial protection
						to_chat(C, span_notice("Something bright flashes in the corner of your vision."))
					if(2)
						//rank 1 or 2 with no protection, rank 2 or 3 with basic protection, or rank 3 with industrial protection
						//alternatively, rank 1 with minor vulnerability (like night vision goggles)
						flick("flash", C.flash_eyes())
						to_chat(C, span_danger("A bright light shines across your eyes!"))
					if(3)
						//rank 1 with minor vulnerability, rank 2 or 3 with no protection, or rank 3 with basic protection
						if(prob(3 * diode.rating))
							C.Weaken(1)
						flick("flash", C.flash_eyes())
						E.damage += 1
						to_chat(C, span_danger("A bright light briefly blinds you!"))
					if(4)
						//rank 3 with no protection, or rank 2 with minor vulnerability
						if(prob(5 * diode.rating))
							C.Weaken(1)
						flick("e_flash", C.flash_eyes())
						E.damage += 2
						to_chat(C, span_danger("A blinding light burns your eyes!"))
			else
				outmsg = span_notice("You shine the [src] at [C], but miss their eyes.")

	//robots and AI
	else if(issilicon(target))
		var/mob/living/silicon/S = target
		//20% chance to actually hit the sensors
		if(prob(effectchance * diode.rating))
			flick("flash", S.flash_eyes(affect_silicon = TRUE))
			if (prob(3 * diode.rating))
				S.Weaken(1)
			to_chat(S, span_warning("Your sensors were blinded by a laser!"))
			outmsg = span_notice("You blind [S] by shining [src] at their sensors.")
			add_attack_logs(user,S,"Tried disabling using [src]")
		else
			outmsg = span_notice("You shine the [src] at [S], but miss their sensors.")

	//cameras
	else if(istype(target, /obj/machinery/camera))
		var/obj/machinery/camera/C = target
		if(prob(effectchance * diode.rating))
			C.emp_act(4 - diode.rating)
			outmsg = span_notice("You shine the [src] into the lens of [C].")
			add_attack_logs(user,C,"Tried disabling using [src]")
		else
			outmsg = span_info("You missed the lens of [C] with [src].")

	//cats!
	for(var/mob/living/simple_mob/animal/passive/cat/C in viewers(1,targloc))
		if (!(C.stat || C.buckled))
			if(prob(50) && !(C.client))
				C.visible_message(span_warning("[C] pounces on the light!"), span_warning("You pounce on the light!"))
				step_towards(C, targloc)
				C.lay_down()
				spawn(10)
					C.lay_down()
			else
				C.set_dir(get_dir(C,targloc))
				C.visible_message(span_notice("[C] watches the light."), span_notice("Your attention is drawn to the mysterious glowing dot."))


	//laser pointer image
	icon_state = "[initial(icon_state)]_[pointer_icon_state]"
	var/list/showto = list()
	for(var/mob/M in viewers(world.view,targloc))
		if(M.client)
			showto.Add(M.client)
	var/image/I = image('icons/obj/projectiles.dmi',targloc,pointer_icon_state,cooldown)
	I.plane = PLANE_LIGHTING_ABOVE
	I.pixel_x = target.pixel_x + rand(-5,5)
	I.pixel_y = target.pixel_y + rand(-5,5)

	if(outmsg)
		user.visible_message(span_info("[user] points [src] at [target]."), outmsg)
	else
		user.visible_message(span_info("[user] points [src] at [target]."), span_info("You point [src] at [target]."))

	last_used_time = world.time
	energy -= 1
	if(energy <= max_energy)
		if(!recharging)
			recharging = 1
			START_PROCESSING(SSobj, src)
		if(energy <= 0)
			to_chat(user, span_warning("You've overused the battery of [src], now it needs time to recharge!"))
			recharge_locked = 1

	flick_overlay(I, showto, cooldown)
	spawn(cooldown)
		icon_state = initial(icon_state)

/obj/item/laser_pointer/process()
	if(prob(20 - recharge_locked*5))
		energy += 1
		if(energy >= max_energy)
			energy = max_energy
			recharging = 0
			recharge_locked = 0
			..()