# test_costume_attr_transfer_parity.gd —— Metin2 40250 时装属性转移与增益附魔 1:1 测试套件
extends SceneTree

const CostumeAttrTransferSystem = preload("res://costume_attr_transfer_system.gd")

var _passed := 0
var _failed := 0

func _assert(cond: bool, msg: String) -> void:
	if cond:
		_passed += 1
		print("  [PASS] %s" % msg)
	else:
		_failed += 1
		printerr("  [FAIL] %s" % msg)

func _init() -> void:
	print("\n=== Running test_costume_attr_transfer_parity (Direction 3: Costume Attr Transfer 1:1) ===")
	
	test_costume_transform_70063()
	test_costume_enchant_70064()
	test_costume_attribute_transfer()
	test_rejections_and_safety()
	
	print("\n=======================================================")
	print("Costume Attr Tests: %d Passed, %d Failed" % [_passed, _failed])
	print("=======================================================\n")
	
	if _failed > 0:
		quit(1)
	else:
		quit(0)

func test_costume_transform_70063() -> void:
	print("\n--- Test 1: Costume Transform 70063 (40250 1:1) ---")
	var system = CostumeAttrTransferSystem.new()
	
	var transformed_signals := []
	system.costume_transformed.connect(func(vnum, attrs):
		transformed_signals.append({"vnum": vnum, "attrs": attrs})
	)
	
	var inv: Array = [
		{"vnum": 70063, "count": 2}, # 重铸卷轴 x2 (slot 0)
		{"vnum": 41001, "costume_subtype": "body", "attrs": []} # 基础时装铠甲 (slot 1)
	]
	
	# 重铸时装，强制赋予 3 条属性
	var custom_attrs = [
		{"type": "max_hp", "name": "生命上限", "value": 2000},
		{"type": "crit_pct", "name": "暴击几率", "value": 10},
		{"type": "att_speed", "name": "攻击速度", "value": 8}
	]
	var res = system.transform_costume(inv, 0, 1, 3, custom_attrs)
	_assert(res["ok"] == true, "Transformed costume successfully")
	_assert(res["attrs_count"] == 3, "Acquired 3 attributes")
	_assert(inv[1]["attrs"].size() == 3, "Costume holds 3 attributes in inventory")
	_assert(inv[1]["attrs"][0]["value"] == 2000, "First attribute is 2000 HP")
	_assert(inv[0]["count"] == 1, "Scroll count decremented from 2 to 1")
	_assert(transformed_signals.size() == 1, "costume_transformed signal fired")

func test_costume_enchant_70064() -> void:
	print("\n--- Test 2: Costume Enchant 70064 (40250 1:1) ---")
	var system = CostumeAttrTransferSystem.new()
	
	var inv: Array = [
		{"vnum": 70064, "count": 1}, # 附魔石 (slot 0)
		{"vnum": 41001, "costume_subtype": "body", "attrs": [
			{"type": "max_hp", "value": 500},
			{"type": "max_sp", "value": 200}
		]}, # 带有 2 条词条的时装 (slot 1)
		{"vnum": 41002, "costume_subtype": "body", "attrs": []} # 0 词条时装 (slot 2)
	]
	
	# 1. 尝试对 0 词条时装附魔 -> 拦截
	var res = system.enchant_costume(inv, 0, 2)
	_assert(res["ok"] == false, "Rejected enchanting costume with 0 attributes")
	_assert(res["reason"] == "NO_ATTRS_TO_ENCHANT", "Reason is NO_ATTRS_TO_ENCHANT")
	
	# 2. 对 2 词条时装附魔 -> 成功保留 2 词条结构并刷新
	var new_custom = [
		{"type": "crit_pct", "name": "暴击几率", "value": 10},
		{"type": "penetrate_pct", "name": "穿刺伤害几率", "value": 10}
	]
	res = system.enchant_costume(inv, 0, 1, new_custom)
	_assert(res["ok"] == true, "Enchanted costume successfully")
	_assert(res["attrs_count"] == 2, "Preserved 2 attributes count")
	_assert(inv[1]["attrs"][0]["type"] == "crit_pct", "New first attribute is crit_pct")
	_assert(inv[0] == null, "Consumed enchant scroll to null")

func test_costume_attribute_transfer() -> void:
	print("\n--- Test 3: Costume Attribute Transfer 72325 (40250 1:1) ---")
	var system = CostumeAttrTransferSystem.new()
	
	var inv: Array = [
		{"vnum": 72325, "count": 1}, # 转移符 (slot 0)
		{"vnum": 41001, "costume_subtype": "body", "attrs": [
			{"type": "max_hp", "value": 2000},
			{"type": "crit_pct", "value": 10}
		]}, # 旧时装铠甲 (slot 1)
		{"vnum": 41050, "costume_subtype": "body", "attrs": []}, # 崭新神圣铠甲 (slot 2)
		{"vnum": 45001, "costume_subtype": "hair", "attrs": []}  # 时装发型 (slot 3, 异类)
	]
	
	# 1. 铠甲转移给发型 -> 异类拦截
	var res = system.transfer_costume_attributes(inv, 0, 1, 3)
	_assert(res["ok"] == false, "Rejected mismatch transfer (body to hair)")
	_assert(res["reason"] == "TYPE_MISMATCH", "Reason is TYPE_MISMATCH")
	
	# 2. 铠甲转移给铠甲 -> 成功
	res = system.transfer_costume_attributes(inv, 0, 1, 2)
	_assert(res["ok"] == true, "Transfer body to body succeeded")
	_assert(inv[2]["attrs"].size() == 2, "Destination costume received 2 attributes")
	_assert(inv[2]["attrs"][0]["value"] == 2000, "Transferred 2000 HP")
	_assert(inv[1]["attrs"].is_empty(), "Source costume attributes cleared")
	_assert(inv[0] == null, "Consumed transfer scroll")

func test_rejections_and_safety() -> void:
	print("\n--- Test 4: Safety Rejections (Equipped & Non-costume) ---")
	var system = CostumeAttrTransferSystem.new()
	
	var inv: Array = [
		{"vnum": 70063, "count": 1},
		{"vnum": 149, "attrs": []}, # 普通武器战神之剑+9 (slot 1, 非时装)
		{"vnum": 41001, "costume_subtype": "body", "is_equipped": true, "attrs": []} # 穿戴中时装 (slot 2)
	]
	
	# 1. 非时装物品 -> 拦截
	var res = system.transform_costume(inv, 0, 1)
	_assert(res["ok"] == false, "Rejected non-costume item")
	_assert(res["reason"] == "NOT_COSTUME", "Reason is NOT_COSTUME")
	
	# 2. 穿戴中时装 -> 拦截
	res = system.transform_costume(inv, 0, 2)
	_assert(res["ok"] == false, "Rejected equipped costume")
	_assert(res["reason"] == "EQUIPPED_ITEM", "Reason is EQUIPPED_ITEM")