/**
  * # Disaster counter.
  *
  * Tracks how many shifts it has been since the counter with that ID was exploded.
  */
/obj/structure/disaster_counter
	name = "disaster counter"
	desc = "This device will count how many shifts it has been since a major disaster in this area. A safe workplace is a productive workplace."
	icon = 'icons/obj/status_display.dmi'
	icon_state = "frame"
	anchored = TRUE
	maptext_y = 10 // Offset by 10 so it renders properly
	/// ID of the counter. Must be overriden. Use alphanumerics with no spaces only, as this is used in the filesystem.
	var/counter_id
	/// Current count number
	var/current_count = 0
	/// Record count
	var/record_count = 0

/obj/structure/disaster_counter/examine(mob/user)
	. = ..()
	. += "The display reads 'Currently [max(current_count, 0)] shifts without an accident, with a record of [record_count] shifts!'"

/obj/structure/disaster_counter/Initialize(mapload)
	. = ..()
	if(!counter_id)
		stack_trace("Disaster counter at [x],[y],[z] does not have a counter_id set. Deleting...")
		return INITIALIZE_HINT_QDEL

	// If we still exist, put ourselves in
	SSpersistent_data.register(src)

/obj/structure/disaster_counter/ex_act(severity)
	current_count = -1
	persistent_save()
	update_maptext()
	. = ..()

/obj/structure/disaster_counter/Destroy()
	if(counter_id)
		SSpersistent_data.registered_atoms -= src // Take us out the list
	return ..()

/obj/structure/disaster_counter/proc/update_maptext()
	maptext = "<span class='maptext' style='text-align: center'>[max(current_count, 0)]/[record_count]</span>"

/obj/structure/disaster_counter/persistent_load()
	// Just incase some bad actor sets the counter ID to "../../../../Windows/System32"
	// Yes I am that paranoid
	if(counter_id != paranoid_sanitize(counter_id))
		stack_trace("Counter ID did not pass sanitization for disaster counter at [x],[y],[z]. Potential attempt at filesystem manipulation.")
		qdel(src)
		return

	var/savefile/S = new /savefile("data/disaster_counters/[counter_id].sav")
	S["count"] >> current_count
	S["record"] >> record_count

	if(isnull(current_count))
		current_count = 0
	else
		current_count++ // Increase by 1 since this is the next shift without a disaster (yet)

	if(isnull(record_count))
		record_count = current_count
	else
		// NEW RECORD
		if(current_count > record_count)
			record_count = current_count
	log_debug("Persistent data for [src] loaded (current_count: [current_count] | record_count: [record_count])")
	update_maptext()

/obj/structure/disaster_counter/persistent_save()
	if(counter_id != paranoid_sanitize(counter_id))
		stack_trace("Counter ID did not pass sanitization for disaster counter at [x],[y],[z]. Potential attempt at filesystem manipulation.")
		qdel(src)
		return

	var/savefile/S = new /savefile("data/disaster_counters/[counter_id].sav")

	S["count"] << current_count
	S["record"] << record_count
	log_debug("Persistent data for [src] saved (current_count: [current_count] | record_count: [record_count])")

// Prefab definitions to make mapping easier
/obj/structure/disaster_counter/supermatter
	name = "supermatter disaster counter"
	counter_id = "supermatter"

/obj/structure/disaster_counter/chemistry
	name = "chemistry disaster counter"
	counter_id = "chemistry"

/obj/structure/disaster_counter/scichem
	name = "science chemistry disaster counter"
	counter_id = "scichem"

/obj/structure/disaster_counter/toxins
	name = "toxins launch room disaster counter"
	counter_id = "toxinslaunch"