//Procedures in this file: Robotic Surgery Steps
//////////////////////////////////////////////////////////////////
//						COMMON STEPS							//
//////////////////////////////////////////////////////////////////

/singleton/surgery_step/robotics
	can_infect = FALSE
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE
	if(isslime(target))
		return FALSE
	if(target_zone == BP_EYES)	//there are specific steps for eye surgery
		return FALSE
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(isnull(affected))
		return FALSE
	if(affected.status & ORGAN_DESTROYED)
		return FALSE
	if(!(BP_IS_ROBOTIC(affected)))
		return FALSE
	return TRUE

/singleton/surgery_step/robotics/unscrew_hatch
	name = "Unscrew Hatch"
	allowed_tools = list(
		TOOL_SCREWDRIVER = 100,
		/obj/item/coin = 50,
		/obj/item/material/kitchen/utensil/knife = 50
	)
	base_surgery_time = 7 SECONDS
	requires_surgery_compatibility = FALSE
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_FAMILIAR)

/singleton/surgery_step/robotics/unscrew_hatch/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	if(target_zone == BP_MOUTH)
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected?.open == ORGAN_CLOSED)
		return TRUE
	return FALSE

/singleton/surgery_step/robotics/unscrew_hatch/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> starts to unscrew the maintenance hatch on [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You start to unscrew the maintenance hatch on [target]'s [affected.name] with \the [tool]."))
	..()

/singleton/surgery_step/robotics/unscrew_hatch/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> has opened the maintenance hatch on [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You have opened the maintenance hatch on [target]'s [affected.name] with \the [tool]."),)
	affected.open = ORGAN_OPEN_INCISION

/singleton/surgery_step/robotics/unscrew_hatch/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, failing to unscrew [target]'s [affected.name]."), \
		SPAN_WARNING("Your [tool] slips, failing to unscrew [target]'s [affected.name]."))

/singleton/surgery_step/robotics/screw_hatch
	name = "Screw Hatch"
	allowed_tools = list(
		TOOL_SCREWDRIVER = 100,
		/obj/item/coin = 50,
		/obj/item/material/kitchen/utensil/knife = 50
	)
	base_surgery_time = 7 SECONDS
	requires_surgery_compatibility = FALSE
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_FAMILIAR)

/singleton/surgery_step/robotics/screw_hatch/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	if(target_zone == BP_MOUTH)
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected?.open == ORGAN_OPEN_INCISION)
		return TRUE
	return FALSE

/singleton/surgery_step/robotics/screw_hatch/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> starts to screw the maintenance hatch on [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You start to screw the maintenance hatch on [target]'s [affected.name] with \the [tool]."))
	..()

/singleton/surgery_step/robotics/screw_hatch/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> has closed the maintenance hatch on [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You have closed the maintenance hatch on [target]'s [affected.name] with \the [tool]."),)
	affected.open = ORGAN_CLOSED

/singleton/surgery_step/robotics/screw_hatch/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, failing to screw [target]'s [affected.name]."), \
		SPAN_WARNING("Your [tool] slips, failing to screw [target]'s [affected.name]."))

/singleton/surgery_step/robotics/open_hatch
	name = "Open Hatch"
	allowed_tools = list(
		TOOL_RETRACTOR = 100,
		TOOL_CROWBAR = 100,
		/obj/item/material/kitchen/utensil = 50
	)
	base_surgery_time = 3 SECONDS
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/open_hatch/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected?.open == ORGAN_OPEN_INCISION)
		return TRUE
	return FALSE

/singleton/surgery_step/robotics/open_hatch/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> starts to pry open the maintenance hatch on [target]'s [affected.name] with \the [tool].",
		SPAN_NOTICE("You start to pry open the maintenance hatch on [target]'s [affected.name] with \the [tool]."))
	..()

/singleton/surgery_step/robotics/open_hatch/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_NOTICE("[user] opens the maintenance hatch on [target]'s [affected.name] with \the [tool]."), \
		SPAN_NOTICE("You open the maintenance hatch on [target]'s [affected.name] with \the [tool]."))
	affected.open = ORGAN_ENCASED_RETRACTED

/singleton/surgery_step/robotics/open_hatch/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, failing to open the hatch on [target]'s [affected.name]."),
		SPAN_WARNING("Your [tool] slips, failing to open the hatch on [target]'s [affected.name]."))

/singleton/surgery_step/robotics/close_hatch
	name = "Close Hatch"
	allowed_tools = list(
		TOOL_RETRACTOR = 100,
		TOOL_CROWBAR = 100,
		/obj/item/material/kitchen/utensil = 50
	)
	base_surgery_time = 8 SECONDS
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/close_hatch/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	if(target_zone == BP_MOUTH)
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected?.open > ORGAN_OPEN_INCISION)
		return TRUE
	return FALSE

/singleton/surgery_step/robotics/close_hatch/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> begins to close the hatch on [target]'s [affected.name] with \the [tool]." , \
		SPAN_NOTICE("You begin to close the hatch on [target]'s [affected.name] with \the [tool]."))
	..()

/singleton/surgery_step/robotics/close_hatch/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> closes the hatch on [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You close the hatch on [target]'s [affected.name] with \the [tool]."))
	affected.open = ORGAN_OPEN_INCISION
	affected.germ_level = 0

/singleton/surgery_step/robotics/close_hatch/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, failing to close the hatch on [target]'s [affected.name]."),
		SPAN_WARNING("Your [tool.name] slips, failing to close the hatch on [target]'s [affected.name]."))

/singleton/surgery_step/robotics/repair_brute
	name = "Repair Damage"
	allowed_tools = list(
		TOOL_WELDER = 100,
		/obj/item/gun/energy/plasmacutter = 50
	)
	base_surgery_time = 4 SECONDS
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_FAMILIAR)

/singleton/surgery_step/robotics/repair_brute/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(tool.tool_behaviour == TOOL_WELDER)
		var/obj/item/weldingtool/welder = tool
		if(!welder.isOn() || welder.get_fuel() < 2)
			return FALSE
	return affected && affected.open == ORGAN_ENCASED_RETRACTED && affected.brute_dam > 0 && target_zone != BP_MOUTH

/singleton/surgery_step/robotics/repair_brute/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> begins to patch damage to [target]'s [affected.name]'s support structure with \the [tool]." , \
		SPAN_NOTICE("You begin to patch damage to [target]'s [affected.name]'s support structure with \the [tool]."))
	..()

/singleton/surgery_step/robotics/repair_brute/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(tool.tool_behaviour == TOOL_WELDER)
		var/obj/item/weldingtool/welder = tool
		if(!welder.isOn() && !welder.use(2, user))
			user.visible_message(SPAN_WARNING("[user]'s [tool] shut off before the procedure was finished."), \
			SPAN_WARNING("Your [tool] is shut off!"))
			return
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> finishes patching damage to [target]'s [affected.name] with \the [tool].", \
		SPAN_NOTICE("You finish patching damage to [target]'s [affected.name] with \the [tool]."))
	affected.heal_damage(rand(30,50),0,1,1)

/singleton/surgery_step/robotics/repair_brute/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, damaging the internal structure of [target]'s [affected.name]."),
		SPAN_WARNING("Your [tool.name] slips, damaging the internal structure of [target]'s [affected.name]."))
	target.apply_damage(rand(5,10), DAMAGE_BURN, affected)

/singleton/surgery_step/robotics/repair_burn
	name = "Repair Burns"
	allowed_tools = list(
		TOOL_CABLECOIL = 100
	)
	base_surgery_time = 4 SECONDS
	// Basic surgery any novice roboticist can do
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_FAMILIAR)

/singleton/surgery_step/robotics/repair_burn/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/stack/cable_coil/C = tool
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && affected.burn_dam > 0 && target_zone != BP_MOUTH)
	if(limb_can_operate)
		if(istype(C))
			if(!C.get_amount() >= 6)
				to_chat(user, SPAN_DANGER("You need six or more cable pieces to repair this damage."))
				return SURGERY_FAILURE
			C.use(3)
		return TRUE
	return FALSE

/singleton/surgery_step/robotics/repair_burn/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> begins to splice new cabling into [target]'s [affected.name]." , \
		SPAN_NOTICE("You begin to splice new cabling into [target]'s [affected.name]."))
	..()

/singleton/surgery_step/robotics/repair_burn/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> finishes splicing cable into [target]'s [affected.name]", \
		SPAN_NOTICE("You finishes splicing new cable into [target]'s [affected.name]."))
	affected.heal_damage(0,rand(30,50),1,1)

/singleton/surgery_step/robotics/repair_burn/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user] causes a short circuit in [target]'s [affected.name]!"),
		SPAN_WARNING("You cause a short circuit in [target]'s [affected.name]!"))
	target.apply_damage(rand(5,10), DAMAGE_BURN, affected)

/singleton/surgery_step/robotics/detach_organ_robotic
	name = "Detach Robotic Organ"
	allowed_tools = list(
	TOOL_MULTITOOL = 100
	)
	base_surgery_time = 9 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/detach_organ_robotic/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected.open != ORGAN_ENCASED_RETRACTED)
		return FALSE

	target.op_stage.current_organ = null

	var/list/attached_organs = list()
	for(var/organ in target.internal_organs_by_name)
		var/obj/item/organ/I = target.internal_organs_by_name[organ]
		if(I && !(I.status & ORGAN_CUT_AWAY) && I.parent_organ == target_zone)
			attached_organs |= organ

	var/organ_to_remove = tgui_input_list(user, "Which organ do you want to prepare for removal?", "Surgery", attached_organs)
	if(!organ_to_remove)
		return FALSE

	target.op_stage.current_organ = organ_to_remove

	return organ_to_remove

/singleton/surgery_step/robotics/detach_organ_robotic/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message("<b>[user]</b> starts to decouple [target]'s [target.op_stage.current_organ] with \the [tool].", \
		SPAN_NOTICE("You start to decouple [target]'s [target.op_stage.current_organ] with \the [tool]." ))
	..()

/singleton/surgery_step/robotics/detach_organ_robotic/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message("<b>[user]</b> has decoupled [target]'s [target.op_stage.current_organ] with \the [tool]." , \
		SPAN_NOTICE("You have decoupled [target]'s [target.op_stage.current_organ] with \the [tool]."))

	var/obj/item/organ/I = target.internal_organs_by_name[target.op_stage.current_organ]
	if(I && istype(I))
		I.status |= ORGAN_CUT_AWAY

/singleton/surgery_step/robotics/detach_organ_robotic/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message(SPAN_WARNING("[user]'s hand slips, disconnecting \the [tool]."), \
	SPAN_WARNING("Your hand slips, disconnecting \the [tool]."))

/singleton/surgery_step/robotics/attach_organ_robotic
	name = "Attach Robotic Organ"
	allowed_tools = list(
		TOOL_SCREWDRIVER = 100
	)
	base_surgery_time = 10 SECONDS
	requires_surgery_compatibility = FALSE
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/attach_organ_robotic/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(affected.open != ORGAN_ENCASED_RETRACTED)
		return FALSE

	target.op_stage.current_organ = null

	var/list/removable_organs = list()
	for(var/organ in target.internal_organs_by_name)
		var/obj/item/organ/I = target.internal_organs_by_name[organ]
		if(I && (I.status & ORGAN_CUT_AWAY) && (I.status & ORGAN_ROBOT) && I.parent_organ == target_zone)
			removable_organs |= organ

	var/organ_to_replace = tgui_input_list(user, "Which organ do you want to reattach?", "Surgery", removable_organs)
	if(!organ_to_replace)
		return FALSE

	target.op_stage.current_organ = organ_to_replace
	return TRUE

/singleton/surgery_step/robotics/attach_organ_robotic/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message("<b>[user]</b> begins reattaching [target]'s [target.op_stage.current_organ] with \the [tool].", \
		SPAN_NOTICE("You start reattaching [target]'s [target.op_stage.current_organ] with \the [tool]."))
	..()

/singleton/surgery_step/robotics/attach_organ_robotic/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message("<b>[user]</b> has reattached [target]'s [target.op_stage.current_organ] with \the [tool]." , \
		SPAN_NOTICE("You have reattached [target]'s [target.op_stage.current_organ] with \the [tool]."))

	var/obj/item/organ/I = target.internal_organs_by_name[target.op_stage.current_organ]
	if(I && istype(I))
		I.status &= ~ORGAN_CUT_AWAY

/singleton/surgery_step/robotics/attach_organ_robotic/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message(SPAN_WARNING("[user]'s hand slips, disconnecting \the [tool]."), \
		SPAN_WARNING("Your hand slips, disconnecting \the [tool]."))

/singleton/surgery_step/robotics/install_mmi
	name = "Install MMI"
	allowed_tools = list(
	/obj/item/mmi = 100
	)
	base_surgery_time = 6 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/robotics/install_mmi/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	if(target_zone != BP_HEAD)
		return FALSE

	var/obj/item/mmi/M = tool
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(!(affected && affected.open == ORGAN_ENCASED_RETRACTED))
		return FALSE

	if(!istype(M))
		return FALSE

	if(!M.brainmob || !M.brainmob.client || !M.brainmob.ckey || M.brainmob.stat >= DEAD)
		to_chat(user, SPAN_DANGER("That brain is not usable."))
		return SURGERY_FAILURE

	if(!BP_IS_ROBOTIC(affected))
		to_chat(user, SPAN_DANGER("You cannot install a computer brain into a meat skull."))
		return SURGERY_FAILURE

	if(!target.isSynthetic())
		to_chat(user, SPAN_DANGER("You cannot install a computer brain into an organic body."))
		return SURGERY_FAILURE

	if(!target.species)
		to_chat(user, SPAN_DANGER("You have no idea what species this person is. Report this on the bug tracker."))
		return SURGERY_FAILURE

	if(!target.species.has_organ[BP_BRAIN])
		to_chat(user, SPAN_DANGER("You're pretty sure [target.species.name_plural] don't normally have a brain."))
		return SURGERY_FAILURE

	if(!isnull(target.internal_organs[BP_BRAIN]))
		to_chat(user, SPAN_DANGER("Your subject already has a brain."))
		return SURGERY_FAILURE

	return TRUE

/singleton/surgery_step/robotics/install_mmi/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> starts installing \the [tool] into [target]'s [affected.name].", \
		SPAN_NOTICE("You start installing \the [tool] into [target]'s [affected.name]."))
	..()

/singleton/surgery_step/robotics/install_mmi/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message("<b>[user]</b> has installed \the [tool] into [target]'s [affected.name].", \
		SPAN_NOTICE("You have installed \the [tool] into [target]'s [affected.name]."))

	var/obj/item/mmi/M = tool
	var/obj/item/organ/internal/machine/posibrain/holder = new(target, 1)
	target.internal_organs_by_name[BP_BRAIN] = holder
	user.drop_from_inventory(tool,holder)
	holder.stored_mmi = tool
	holder.update_from_mmi()

	if(M.brainmob && M.brainmob.mind)
		M.brainmob.mind.transfer_to(target)

/singleton/surgery_step/robotics/install_mmi/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message(SPAN_WARNING("[user]'s hand slips."), \
		SPAN_WARNING("Your hand slips."))

/singleton/surgery_step/internal/fix_internal_wiring
	name = "Repair Internal Wiring"
	allowed_tools = list(
		TOOL_CABLECOIL = 100
	)
	base_surgery_time = 7 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_MEDIUM

/singleton/surgery_step/internal/fix_internal_wiring/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/obj/item/stack/cable_coil/C = tool
	var/is_organ_damaged = FALSE
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && target_zone != BP_MOUTH)
	if(limb_can_operate)
		for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
			if(I.wiring.get_status() < 100)
				if(istype(C))
					var/needed_wires = (I.wiring.max_wires - I.wiring.wires) / 2
					if(needed_wires)
						if(!(C.get_amount() >= (needed_wires)))
							to_chat(user, SPAN_WARNING("You need [needed_wires] or more cable pieces to repair this damage."))
							return SURGERY_FAILURE
						is_organ_damaged = TRUE
						C.use(needed_wires)
	return is_organ_damaged

/singleton/surgery_step/internal/fix_internal_wiring/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.wiring.get_status() < 100))
			user.visible_message(SPAN_NOTICE("[user] begins splitting and connecting new wiring in [target]'s [I]..."))
	..()

/singleton/surgery_step/internal/fix_internal_wiring/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.wiring.get_status() < 100))
			var/needed_wires = I.wiring.max_wires - I.wiring.wires
			user.visible_message(SPAN_NOTICE("[user] fixes the wiring in [target]'s [affected]."))
			I.wiring.heal_damage(needed_wires)

/singleton/surgery_step/internal/fix_internal_electronics
	name = "Repair Internal Electronics"
	allowed_tools = list(
		TOOL_MULTITOOL = 100,
	)
	base_surgery_time = 20 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_HARD

/singleton/surgery_step/internal/fix_internal_electronics/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/is_organ_damaged = FALSE
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && target_zone != BP_MOUTH)
	if(limb_can_operate)
		for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
			if(I.electronics.get_status() < 100)
				is_organ_damaged = TRUE
	return is_organ_damaged

/singleton/surgery_step/internal/fix_internal_electronics/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.electronics.get_status() < 100))
			user.visible_message(SPAN_NOTICE("[user] begins replacing the electronics in [target]'s [I] and reconfiguring them..."))
	..()

/singleton/surgery_step/internal/fix_internal_electronics/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.electronics.get_status() < 100))
			user.visible_message(SPAN_NOTICE("[user] repairs the electronics in [target]'s [affected]."))
			I.electronics.heal_damage(I.electronics.max_integrity)

/singleton/surgery_step/internal/fix_internal_plating
	name = "Repair Internal Plating"
	allowed_tools = list(
		/obj/item/stack/material/steel = 100,
	)
	base_surgery_time = 12 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_HARD

/singleton/surgery_step/internal/fix_internal_plating/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/obj/item/stack/material/steel/steel = tool
	var/is_organ_damaged = FALSE
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && target_zone != BP_MOUTH)
	if(limb_can_operate)
		for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
			if(I.plating.get_status() < 100)
				if(I.plating.get_status() <= 0)
					to_chat(user, SPAN_WARNING("That plating is too far gone! You'll need to totally replace it with new plates!"))
					return FALSE
				var/needed_plates = I.plating.max_health / 10
				if(istype(steel))
					if(!(steel.get_amount() >= (needed_plates)))
						to_chat(user, SPAN_WARNING("You need [round(needed_plates) / 10] or more steel plates to repair this damage."))
						return SURGERY_FAILURE
					is_organ_damaged = TRUE
					steel.use(needed_plates)
	return is_organ_damaged

/singleton/surgery_step/internal/fix_internal_plating/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.plating.get_status() < 100))
			var/damage_type = pick("damage", "kinks", "gashes", "holes")
			user.visible_message(SPAN_NOTICE("[user] begins melding steel to the [damage_type] on the plating around [target]'s [I]..."), "You begin melding steel to the [damage_type] on the plating around [target]'s [I]...")
	..()

/singleton/surgery_step/internal/fix_internal_plating/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.plating.get_status() < 100))
			user.visible_message(SPAN_NOTICE("[user] mends the plating around [target]'s [affected]."), SPAN_NOTICE("You mend the plating around [target]'s [affected]."))
			I.plating.heal_damage(I.plating.max_health)

/singleton/surgery_step/internal/replace_internal_plating
	name = "Replace Internal Plating"
	allowed_tools = list(
		/obj/item/synth_plating = 100,
	)
	base_surgery_time = 15 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_HARD

/singleton/surgery_step/internal/replace_internal_plating/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/is_plating_destroyed = FALSE
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && target_zone != BP_MOUTH)
	if(limb_can_operate)
		for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
			if(I.plating.get_status() <= 0)
				is_plating_destroyed = TRUE
	return is_plating_destroyed

/singleton/surgery_step/internal/replace_internal_plating/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.plating.get_status() < 100))
			user.visible_message(SPAN_NOTICE("[user] begins cutting apart the old plating around [target]'s [I] and replacing it with new plates..."))
	..()

/singleton/surgery_step/internal/replace_internal_plating/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	for(var/obj/item/organ/internal/machine/I in affected.internal_organs)
		if(I && (I.plating.get_status() <= 0))
			user.visible_message(SPAN_NOTICE("[user] fully replaces the plating in [target]'s [affected]."))
			user.remove_from_mob(tool)
			qdel(tool)
			I.plating.heal_damage(I.plating.max_health)


/singleton/surgery_step/internal/replace_external_plating
	name = "Replace External Plating"
	allowed_tools = list(
		/obj/item/synth_plating = 100,
	)
	base_surgery_time = 20 SECONDS
	var/fast_repair = FALSE
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_MEDIUM

/singleton/surgery_step/internal/replace_external_plating/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	if(fast_repair)
		if(!istype(target.species, /datum/species/machine/industrial/hephaestus))
			return FALSE

	var/armor_damaged = FALSE
	var/datum/component/armor/synthetic/synth_armor = target.GetComponent(/datum/component/armor/synthetic)
	if(synth_armor)
		var/list/damage = synth_armor.get_damage()
		if(length(damage))
			armor_damaged = TRUE
	return armor_damaged

/singleton/surgery_step/internal/replace_external_plating/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE
	user.visible_message(SPAN_NOTICE("[user] begins stripping [target]'s old armour plating and replacing it with new plates."), SPAN_NOTICE("You begin stripping off [target]'s old armour plating and replacing it with new plates."))
	..()

/singleton/surgery_step/internal/replace_external_plating/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	user.visible_message(SPAN_NOTICE("[user] finished replacing [target]'s old armour plating with new plates."), SPAN_NOTICE("You finish replacing [target]'s old armour plating with new plates."))
	var/datum/component/armor/synthetic/synth_armor = target.GetComponent(/datum/component/armor/synthetic)
	if(istype(synth_armor))
		for(var/key in synth_armor.armor_values)
			synth_armor.armor_values[key] = synth_armor.max_armor_values[key]
		qdel(tool)

/singleton/surgery_step/internal/degunk
	name = "Remove Bio-Reactor Waste"
	allowed_tools = list(
		/obj/item/reagent_containers/glass = 100,
	)
	base_surgery_time = 15 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_FAMILIAR)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_TRIVIAL

/singleton/surgery_step/internal/replace_external_plating/g2
	name = "Replace G2 External Armour Plating"
	base_surgery_time = 10 SECONDS
	fast_repair = TRUE
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)

/singleton/surgery_step/internal/degunk/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	var/obj/item/organ/internal/machine/reactor/bio_reactor = target.internal_organs_by_name[BP_REACTOR]
	var/limb_can_operate = (affected && affected.open == ORGAN_ENCASED_RETRACTED && target_zone == BP_CHEST)
	if(limb_can_operate)
		if(bio_reactor && (bio_reactor.power_supply_type & POWER_SUPPLY_BIOLOGICAL))
			var/extraneous_amount = 0
			for(var/reagent_type in bio_reactor.bio_reagents.reagent_volumes)
				var/reagent_amount = REAGENT_VOLUME(bio_reactor.bio_reagents, reagent_type)
				if(!ispath(reagent_type, /singleton/reagent/nutriment))
					extraneous_amount += reagent_amount
			if(extraneous_amount)
				return TRUE
	return FALSE

/singleton/surgery_step/internal/degunk/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE
	user.visible_message(SPAN_NOTICE("[user] begins draining the refuse inside of [target]'s biological reactor..."), SPAN_NOTICE("You begin draining the refuse inside of [target]'s biological reactor."))
	..()

/singleton/surgery_step/internal/degunk/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	. = ..()
	var/obj/item/organ/internal/machine/reactor/bio_reactor = target.internal_organs_by_name[BP_REACTOR]
	for(var/reagent_type in bio_reactor.bio_reagents.reagent_volumes)
		var/reagent_amount = REAGENT_VOLUME(bio_reactor.bio_reagents, reagent_type)
		if(!ispath(reagent_type, /singleton/reagent/nutriment))
			bio_reactor.bio_reagents.trans_type_to(tool, reagent_type, reagent_amount)
	playsound(target, 'sound/effects/drain_blood.ogg', 50)
	user.visible_message(SPAN_NOTICE("[user] extracts the refuse in [target]'s biological reactor."), SPAN_NOTICE("You drain the refuse in [target]'s biological reactor to [tool]."))

/singleton/surgery_step/robotics/repair_endoskeleton
	name = "Repair Endoskeleton"
	allowed_tools = list(
		TOOL_WELDER = 100,
		/obj/item/gun/energy/plasmacutter = 50
	)
	base_surgery_time = 2.5 SECONDS
	skill_requirements = alist(ROBOTICS_SKILL_COMPONENT = SKILL_LEVEL_TRAINED)
	skill_diff_fail_modifier = SURGERY_DIFFICULTY_MEDIUM

/singleton/surgery_step/robotics/repair_endoskeleton/can_use(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(!..())
		return FALSE

	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	if(tool.tool_behaviour == TOOL_WELDER)
		var/obj/item/weldingtool/welder = tool
		if(!welder.isOn() || welder.get_fuel() < 5)
			return FALSE
	var/datum/component/synthetic_endoskeleton/endoskeleton = target.GetComponent(/datum/component/synthetic_endoskeleton)
	if(!istype(endoskeleton))
		return FALSE

	return affected && affected.open == ORGAN_ENCASED_RETRACTED && affected.limb_name == BP_CHEST && target_zone != BP_MOUTH && endoskeleton.damage > 0

/singleton/surgery_step/robotics/repair_endoskeleton/begin_step(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	user.visible_message("<b>[user]</b> begins to repair the support structures of [target]'s endoskeleton with \the [tool]." , \
		SPAN_NOTICE("You begin to repair the support structures of [target]'s endoskeleton  with \the [tool]."))
	..()

/singleton/surgery_step/robotics/repair_endoskeleton/end_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	if(tool.tool_behaviour == TOOL_WELDER)
		var/obj/item/weldingtool/welder = tool
		if(!welder.isOn() && !welder.use(5, user))
			user.visible_message(SPAN_WARNING("[user]'s [tool] shut off before the procedure was finished."), \
			SPAN_WARNING("Your [tool] is shut off!"))
			return
	user.visible_message("<b>[user]</b> finishes repairing some damage to [target]'s endoskeleton with \the [tool].", \
		SPAN_NOTICE("You finish repairing some damage to [target]'s endoskeleton with \the [tool]."))
	SEND_SIGNAL(target, COMSIG_SYNTH_ENDOSKELETON_REPAIR, rand(30, 50))

/singleton/surgery_step/robotics/repair_endoskeleton/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
	var/obj/item/organ/external/affected = target.get_organ(target_zone)
	user.visible_message(SPAN_WARNING("[user]'s [tool.name] slips, damaging some of the support structure of [target]'s endoskeleton!"),
		SPAN_WARNING("Your [tool.name] slips, damaging some of the support structure of [target]'s endoskeleton!"))
	target.apply_damage(rand(5,10), DAMAGE_BURN, affected)