// the power cell
// charge from 0 to 100%
// fits in APC to provide backup power
/obj/item/weapon/stock_parts/cell/var/image/overlay_image

/obj/item/weapon/stock_parts/cell/New()
	..()
	processing_objects.Add(src)
	charge = maxcharge

	spawn(5)
		updateicon()

/obj/item/weapon/stock_parts/cell/Destroy()
	processing_objects.Remove(src)
	return ..()

/obj/item/weapon/stock_parts/cell/proc/updateicon()
	if(isnull(src.overlay_image))
		src.overlay_image = image('icons/obj/power.dmi')
	overlays.Cut()

	if(charge < 0.01)
		return
	else if(charge/maxcharge >=0.995)
		src.overlay_image.icon_state = "cell-o2"
		overlays += src.overlay_image
	else
		src.overlay_image.icon_state = "cell-o1"
		overlays += src.overlay_image

/obj/item/weapon/stock_parts/cell/proc/percent()		// return % charge of cell
	return 100.0*charge/maxcharge

// use power from a cell
/obj/item/weapon/stock_parts/cell/proc/use(var/amount)
	if(rigged && amount > 0)
		explode()
		return 0

	if(charge < amount)	return 0
	charge = (charge - amount)
	return 1

// recharge the cell
/obj/item/weapon/stock_parts/cell/proc/give(var/amount)
	if(rigged && amount > 0)
		explode()
		return 0

	if(maxcharge < amount)	return 0
	var/power_used = min(maxcharge-charge,amount)
	if(crit_fail)	return 0
	if(!prob(reliability))
		minor_fault++
		if(prob(minor_fault))
			crit_fail = 1
			return 0
	charge += power_used
	return power_used


/obj/item/weapon/stock_parts/cell/examine(mob/user)
	if(..(user, 1))
		if(maxcharge <= 2500)
			to_chat(user, "[desc]\nThe manufacturer's label states this cell has a power rating of [maxcharge], and that you should not swallow it.\nThe charge meter reads [round(src.percent() )]%.")
		else
			to_chat(user, "This power cell has an exciting chrome finish, as it is an uber-capacity cell type! It has a power rating of [maxcharge]!\nThe charge meter reads [round(src.percent() )]%.")
	if(crit_fail)
		to_chat(user, "\red This power cell seems to be faulty.")

/obj/item/weapon/stock_parts/cell/attack_self(mob/user as mob)
	src.add_fingerprint(user)
	return

/obj/item/weapon/stock_parts/cell/attackby(obj/item/W, mob/user, params)
	..()
	if(istype(W, /obj/item/weapon/reagent_containers/syringe))
		var/obj/item/weapon/reagent_containers/syringe/S = W

		to_chat(user, "You inject the solution into the power cell.")

		if(S.reagents.has_reagent("plasma", 5))

			rigged = 1

			log_admin("LOG: [user.name] ([user.ckey]) injected a power cell with plasma, rigging it to explode.")
			message_admins("LOG: [user.name] ([user.ckey]) injected a power cell with plasma, rigging it to explode.")

		S.reagents.clear_reagents()


/obj/item/weapon/stock_parts/cell/proc/explode()
	var/turf/T = get_turf(src.loc)
/*
 * 1000-cell	explosion(T, -1, 0, 1, 1)
 * 2500-cell	explosion(T, -1, 0, 1, 1)
 * 10000-cell	explosion(T, -1, 1, 3, 3)
 * 15000-cell	explosion(T, -1, 2, 4, 4)
 * */
	if(charge==0)
		return
	var/devastation_range = -1 //round(charge/11000)
	var/heavy_impact_range = round(sqrt(charge)/60)
	var/light_impact_range = round(sqrt(charge)/30)
	var/flash_range = light_impact_range
	if(light_impact_range==0)
		rigged = 0
		corrupt()
		return
	//explosion(T, 0, 1, 2, 2)

	log_admin("LOG: Rigged power cell explosion, last touched by [fingerprintslast]")
	message_admins("LOG: Rigged power cell explosion, last touched by [fingerprintslast]")

	explosion(T, devastation_range, heavy_impact_range, light_impact_range, flash_range)
	qdel(src)

/obj/item/weapon/stock_parts/cell/proc/corrupt()
	charge /= 2
	maxcharge /= 2
	if(prob(10))
		rigged = 1 //broken batterys are dangerous

/obj/item/weapon/stock_parts/cell/emp_act(severity)
	charge -= 1000 / severity
	if(charge < 0)
		charge = 0
	if(reliability != 100 && prob(50/severity))
		reliability -= 10 / severity
	..()

/obj/item/weapon/stock_parts/cell/ex_act(severity)

	switch(severity)
		if(1.0)
			qdel(src)
			return
		if(2.0)
			if(prob(50))
				qdel(src)
				return
			if(prob(50))
				corrupt()
		if(3.0)
			if(prob(25))
				qdel(src)
				return
			if(prob(25))
				corrupt()
	return

/obj/item/weapon/stock_parts/cell/blob_act()
	ex_act(1)

/obj/item/weapon/stock_parts/cell/proc/get_electrocute_damage()
	switch(charge)
/*		if(9000 to INFINITY)
			return min(rand(90,150),rand(90,150))
		if(2500 to 9000-1)
			return min(rand(70,145),rand(70,145))
		if(1750 to 2500-1)
			return min(rand(35,110),rand(35,110))
		if(1500 to 1750-1)
			return min(rand(30,100),rand(30,100))
		if(750 to 1500-1)
			return min(rand(25,90),rand(25,90))
		if(250 to 750-1)
			return min(rand(20,80),rand(20,80))
		if(100 to 250-1)
			return min(rand(20,65),rand(20,65))*/
		if(5000000 to INFINITY)
			return min(rand(200,300),rand(200,300))
		if(4000000 to 5000000-1)
			return min(rand(80,180),rand(80,180))
		if(1000000 to 4000000-1)
			return min(rand(50,160),rand(50,160))
		if(200000 to 1000000-1)
			return min(rand(25,80),rand(25,80))
		if(100000 to 200000-1)//Ave powernet
			return min(rand(20,60),rand(20,60))
		if(50000 to 100000-1)
			return min(rand(15,40),rand(15,40))
		if(1000 to 50000-1)
			return min(rand(10,20),rand(10,20))
		else
			return 0