/obj/item/flash
	name = "flash"
	desc = "A security device capable of producing a blinding, incapacitating flash at close ranges. Repeated use may result in a burnt-out bulb and/or excessive force investigations."
	icon = 'icons/obj/item/flash.dmi'
	icon_state = "flash"
	item_state = "flash"
	throwforce = 5
	w_class = WEIGHT_CLASS_SMALL
	throw_speed = 4
	throw_range = 10
	obj_flags = OBJ_FLAG_CONDUCTABLE
	origin_tech = list(TECH_MAGNET = 2, TECH_COMBAT = 1)

	var/times_used = 0 //Number of times it's been used.
	var/max_charges = 5 // max charges
	var/broken = FALSE     //Is the flash burnt out?

	var/last_use = 0

/obj/item/flash/mechanics_hints(mob/user, distance, is_adjacent)
	. += ..()
	. += "Click on someone adjacent to you to attempt to blind them."
	. += "Use it in your hand with HARM intent, or on yourself, to blind everyone in a small radius (including yourself!)"

/obj/item/flash/feedback_hints(mob/user, distance, is_adjacent)
	. += ..()
	if(!broken)
		var/num_charges = max(0, max_charges - times_used)
		. += "The charge indicator shows [num_charges] charge[num_charges == 1 ? "" : "s"] remain[num_charges == 1 ? "s" : ""]."
	else
		. += SPAN_ALERT("\The [src]'s bulb is burnt out!")

/obj/item/flash/proc/clumsy_check(mob/user)
	if(user && (user.is_clumsy()) && prob(50))
		to_chat(user, SPAN_WARNING("\The [src] slips out of your hand."))
		user.drop_from_inventory(src)
		return FALSE
	return TRUE

/obj/item/flash/proc/cooldown()
	if(broken || times_used >= max_charges)
		return TRUE

	return world.time > (last_use + 1 SECOND)

/obj/item/flash/proc/burnout_check(mob/user, intensity = 1)
	if(times_used >= max_charges)
		to_chat(user, SPAN_WARNING("*click* *click*"))
		return TRUE

	if(prob(times_used * intensity))
		burnout(user)
	else
		times_used++
		addtimer(CALLBACK(src, /obj/item/flash/proc/flash_recharge), 30 SECONDS, TIMER_STOPPABLE|TIMER_UNIQUE)

/obj/item/flash/proc/burnout(mob/user)
	broken = TRUE
	icon_state = "flashburnt"
	name = "burnt-out [initial(name)]"
	to_chat(user, SPAN_WARNING("The bulb has burnt out!"))
	spark(get_turf(src))

/obj/item/flash/proc/flash(mob/living/L, _intensity = FLASH_PROTECTION_MAJOR)
	last_use = world.time

	if(L.flash_act(intensity = _intensity, affect_silicon = TRUE, ignore_inherent = TRUE))
		if(issilicon(L))
			L.Weaken(rand(3, 7))
		else
			L.confused = 10

		return TRUE

/obj/item/flash/proc/flash_recharge()
	if(broken)
		return
	times_used = max(0, times_used - 1)
	if(times_used > 0)
		addtimer(CALLBACK(src, /obj/item/flash/proc/flash_recharge), 30 SECONDS, TIMER_STOPPABLE|TIMER_UNIQUE)

/obj/item/flash/proc/robot_flash(mob/user)
	if(!isrobot(user))
		return

	var/atom/movable/overlay/animation = new(user.loc)
	animation.layer = user.layer + 1
	animation.icon_state = "blank"
	animation.icon = 'icons/mob/mob.dmi'
	animation.master = user
	flick("blspell", animation)
	QDEL_IN(animation, 5)

//attack_as_weapon
/obj/item/flash/attack(mob/living/target_mob, mob/living/user, target_zone)
	// Single-target flash
	if(!target_mob || !user || !clumsy_check(user) || !cooldown())
		return

	if(target_mob == user)
		if(user.a_intent == I_HURT)
			attack_self(user)
		return

	target_mob.attack_log += "\[[time_stamp()]\] <font color='orange'>Has been flashed (attempt) with [src.name]  by [user.name] ([user.ckey])</font>"
	user.attack_log += "\[[time_stamp()]\] <span class='warning'>Used the [src.name] to flash [target_mob.name] ([target_mob.ckey])</span>"
	msg_admin_attack("[user.name] ([user.ckey]) Used the [src.name] to flash [target_mob.name] ([target_mob.ckey]) (<A href='byond://?_src_=holder;adminplayerobservecoodjump=1;X=[user.x];Y=[user.y];Z=[user.z]'>JMP</a>)",ckey=key_name(user),ckey_target=key_name(target_mob))

	user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
	user.do_attack_animation(target_mob)
	if(broken)
		to_chat(user, SPAN_WARNING("\The [src] is broken."))
		return

	if(burnout_check(user))
		return

	playsound(src.loc, 'sound/weapons/flash.ogg', 100, 1)

	if(isrobot(user))
		robot_flash(user)

	if(flash(target_mob))
		if(issilicon(target_mob))
			user.visible_message(SPAN_WARNING("[user] overloads [target_mob]'s sensors with \the [src]!"))
		else
			user.visible_message(SPAN_WARNING("[user] blinds [target_mob] with \the [src]!"))
	else
		user.visible_message(SPAN_NOTICE("[user] fails to blind [target_mob] with \the [src]."))

/obj/item/flash/attack_self(mob/living/carbon/user as mob, flag = 0, emp = 0)
	// AOE flash
	if(!user || !clumsy_check(user)|| !cooldown())
		return

	if(user.a_intent != I_HURT)
		return

	user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)

	if(broken)
		to_chat(user, SPAN_WARNING("\The [src] is broken."))
		return

	if(burnout_check(user, intensity = 5))
		return

	playsound(src.loc, 'sound/weapons/flash.ogg', 100, 1)

	flash(user)
	if(isrobot(user))
		robot_flash(user)

	for(var/mob/living/L in oviewers(3, get_turf(user)))
		var/dist_intensity = get_dist(L, user) <= 1 ? FLASH_PROTECTION_MAJOR : FLASH_PROTECTION_MODERATE
		if(flash(L, _intensity = dist_intensity) && prob(50))
			L.disable_cloaking_device()

/obj/item/flash/emp_act(severity)
	. = ..()

	var/mob/living/L = loc
	if(!istype(L) || broken || burnout_check(L, intensity = 15 / severity))
		return
	to_chat(L, SPAN_WARNING("Your [src] goes off!"))
	flash(L)

/obj/item/flash/synthetic
	name = "synthetic flash"
	desc = "A cheap, mass-produced copy of the handheld flash. The bulb inside is probably only good for one use."
	icon_state = "sflash"
	origin_tech = list(TECH_MAGNET = 2, TECH_COMBAT = 1)

	max_charges = 1

/obj/item/flash/synthetic/burnout_check(mob/user, intensity = 1)
	. = broken // Single-use
	if(!broken)
		burnout(user)