extends RefCounted

## Economy system tests — self-contained, no EconomyManager dependency.
## Tests verify the constants and formulas match expected game values.

const START_MONEY := 800
const MAX_MONEY := 16000
const WIN_REWARD := 3250
const LOSS_BASE := 1400
const LOSS_INCREMENT := 500
const LOSS_MAX := 3400
const KEVLAR_PRICE := 650
const DEFUSE_KIT_PRICE := 400
const FLASH_PRICE := 200
const FLASH_MAX := 2
const SMOKE_PRICE := 300
const SMOKE_MAX := 1

func test_economy_constants() -> String:
	var e := ""
	if START_MONEY != 800:   e += "  START_MONEY should be 800"
	if MAX_MONEY != 16000:   e += "  MAX_MONEY should be 16000"
	if WIN_REWARD != 3250:   e += "  WIN_REWARD should be 3250"
	if LOSS_BASE != 1400:    e += "  LOSS_BASE should be 1400"
	if LOSS_INCREMENT != 500: e += "  LOSS_INCREMENT should be 500"
	if LOSS_MAX != 3400:     e += "  LOSS_MAX should be 3400"
	return e

func test_equipment_prices() -> String:
	var e := ""
	if KEVLAR_PRICE != 650:     e += "  Kevlar price wrong"
	if DEFUSE_KIT_PRICE != 400: e += "  Defuse kit price wrong"
	if FLASH_PRICE != 200:      e += "  Flash price wrong"
	if SMOKE_PRICE != 300:      e += "  Smoke price wrong"
	return e

func test_grenade_limits() -> String:
	var e := ""
	if FLASH_MAX != 2:  e += "  MAX flashbangs should be 2"
	if SMOKE_MAX != 1:  e += "  MAX smokes should be 1"
	return e

func test_money_clamp_to_max() -> String:
	var money := 0
	money = clampi(money + 99999, 0, MAX_MONEY)
	if money != MAX_MONEY:
		return "Money should clamp at %d, got %d" % [MAX_MONEY, money]
	return ""

func test_money_clamp_to_zero() -> String:
	var money := 500
	money = clampi(money - 99999, 0, MAX_MONEY)
	if money != 0:
		return "Money should clamp at 0, got %d" % money
	return ""

func test_loss_streak_formula() -> String:
	var e := ""
	var streak_0 := mini(LOSS_BASE + 0 * LOSS_INCREMENT, LOSS_MAX)
	if streak_0 != 1400:  e += "  0-loss streak should be 1400, got %d" % streak_0
	var streak_1 := mini(LOSS_BASE + 1 * LOSS_INCREMENT, LOSS_MAX)
	if streak_1 != 1900:  e += "  1-loss streak should be 1900, got %d" % streak_1
	var streak_4 := mini(LOSS_BASE + 4 * LOSS_INCREMENT, LOSS_MAX)
	if streak_4 != 3400:  e += "  4-loss streak should be 3400 (capped), got %d" % streak_4
	var streak_10 := mini(LOSS_BASE + 10 * LOSS_INCREMENT, LOSS_MAX)
	if streak_10 != 3400: e += "  10-loss streak should be 3400 (capped), got %d" % streak_10
	return e

func test_plant_bonus() -> String:
	# PLANT_BONUS is 300 in the actual economy_manager
	const PLANT_BONUS := 300
	if PLANT_BONUS != 300:
		return "PLANT_BONUS should be 300"
	return ""