extends RefCounted

## Weapon registry tests — uses preload directly (avoids autoload name resolution issue).
## Each test_* method returns "" on pass or an error message on fail.

const Wr := preload("res://examples/multiplayer-fps/scripts/data/weapon_registry.gd")

func test_all_weapons_registered() -> String:
	var ids := [1, 2, 3, 4, 5, 6]
	for id in ids:
		var w := Wr.get_weapon(id)
		if w == null:
			return "Weapon ID %d not registered" % id
	return ""

func test_unknown_id_returns_null() -> String:
	if Wr.get_weapon(0) != null:  return "ID 0 should return null"
	if Wr.get_weapon(99) != null: return "ID 99 should return null"
	if Wr.get_weapon(-1) != null: return "ID -1 should return null"
	return ""

func test_ak47_stats() -> String:
	var w := Wr.get_weapon(4)
	if w == null:  return "AK47 not found"
	var e := ""
	if w.damage != 36:          e += "  damage: got %d, expected 36" % w.damage
	if w.price != 2500:         e += "  price: got %d, expected 2500" % w.price
	if w.fire_mode != 1:        e += "  fire_mode: got %d, expected 1 (AUTO)" % w.fire_mode
	if w.team != 0:             e += "  team: got %d, expected 0 (T)" % w.team
	if w.slot != 2:             e += "  slot: got %d, expected 2" % w.slot
	if w.weapon_name != "AK-47": e += "  name: got %s" % w.weapon_name
	return e

func test_awp_stats() -> String:
	var w := Wr.get_weapon(6)
	if w == null:  return "AWP not found"
	var e := ""
	if w.damage != 110:         e += "  damage: got %d, expected 110" % w.damage
	if w.price != 4750:         e += "  price: got %d, expected 4750" % w.price
	if w.fire_mode != 0:        e += "  fire_mode: got %d, expected 0 (SEMI)" % w.fire_mode
	if w.weapon_name != "AWP":  e += "  name: got %s" % w.weapon_name
	if w.slot != 2:             e += "  slot: got %d, expected 2" % w.slot
	return e

func test_knife_stats() -> String:
	var w := Wr.get_weapon(1)
	if w == null:  return "Knife not found"
	var e := ""
	if w.damage != 50:          e += "  damage: got %d, expected 50" % w.damage
	if w.price != 0:            e += "  price: got %d, expected 0" % w.price
	if w.fire_mode != 2:        e += "  fire_mode: got %d, expected 2 (MELEE)" % w.fire_mode
	if w.weapon_name != "Knife": e += "  name: got %s" % w.weapon_name
	if w.slot != 0:             e += "  slot: got %d, expected 0" % w.slot
	return e

func test_default_pistol() -> String:
	var e := ""
	var t := Wr.get_default_pistol(0)
	if t != 2:  e += "  T side should get Glock (2), got %d" % t
	var ct := Wr.get_default_pistol(1)
	if ct != 3: e += "  CT side should get USP (3), got %d" % ct
	return e