/datum/computer_file
	///The name of the internal file shown in file management.
	var/filename = "NewFile"
	///The type of file format the file is in, placed after filename. PNG, TXT, ect. This would be NewFile.XXX
	var/filetype = "XXX"
	///How much GQ storage space the file will take to store. Integers only!
	var/size = 1
	///Whether the file may be deleted. Setting to TRUE prevents deletion/renaming/etc.
	var/undeletable = FALSE
	///The computer file's personal ID
	var/uid
	///Static ID to ensure all IDs are unique.
	var/static/file_uid = 0
	///The modular computer hosting the file.
	var/obj/item/modular_computer/computer

/datum/computer_file/New()
	..()
	uid = file_uid++

/datum/computer_file/Destroy(force)
	if(computer)
		computer.remove_file(src)
		computer = null
	return ..()

// Returns independent copy of this file.
/datum/computer_file/proc/clone(rename = FALSE)
	var/datum/computer_file/temp = new type
	temp.undeletable = undeletable
	temp.size = size
	if(rename)
		temp.filename = filename + "(Copy)"
	else
		temp.filename = filename
	temp.filetype = filetype
	return temp

/**
 * Called when examining a modular computer
 * Args:
 * Source - The tablet that's being examined
 * User - Person examining the computer
 *
 * note: please replace this with signals when hdd's are removed and program's New() already has the tablet set.
 */
/datum/computer_file/proc/on_examine(obj/item/modular_computer/source, mob/user)
	return null

/// Called when someone tries to insert something one of your applications needs, like an Intellicard for AI restoration. Return TRUE to cancel attackby chain.
/datum/computer_file/proc/try_insert(obj/item/attacking_item, mob/living/user)
	return FALSE

/**
 * Implement this when your program has an object that the user can eject.
 *
 * Examples include ejecting cells AI intellicards.
 * Arguments:
 * * user - The mob requesting the eject.
 * * forced - Whether we are forced to eject everything (usually by the app being deleted)
 */
/datum/computer_file/proc/try_eject(mob/living/user, forced = FALSE)
	return FALSE