# select_item_ui_test —— P11 选魔石窗 headless 自检（假 client + 假 proto + 真 uiscript）。
#   godot --headless --path project --script select_item_ui_test.gd
# 校验 uiselectitem.RefreshSlot 过滤（只 metin 类型 + grade<=2）、SelectItemSlot 发包、
# Close 发 0、quest_dialog [SELECT_ITEM] token 解析。缺 uiscript 资产时优雅跳过。
extends SceneTree

const SelectItemUI = preload("res://ui/select_item_ui.gd")
const QuestDialog = preload("res://ui/quest_dialog.gd")

class FakeClient extends Node:
	signal inventory_changed(window: int, cell: int)
	var inv: Array = []          # [{cell,vnum,count}]
	var selects: Array = []      # script_select_item 参数
	func get_inventory() -> Array: return inv
	func script_select_item(sel: int) -> bool:
		selects.append(sel); return true

class FakeProto extends Node:
	# vnum 约定：28030/28031/28032 = metin grade 0/1/2；28963 = metin grade 3；
	# 19 = 非 metin（武器）
	func item(vnum: int) -> Dictionary:
		match vnum:
			28030: return {"type": 10, "name": "METIN_A0", "locale_name": "魔石A"}
			28031: return {"type": 10, "name": "METIN_B1", "locale_name": "魔石B"}
			28032: return {"type": 10, "name": "METIN_C2", "locale_name": "魔石C"}
			28963: return {"type": 10, "name": "METIN_D3", "locale_name": "魔石D"}
			19:    return {"type": 1, "name": "SWORD", "locale_name": "剑"}
		return {}

var _fail := 0
func _ck(c: bool, m: String) -> void:
	if not c:
		_fail += 1
		printerr("FAIL: " + m)

func _init() -> void:
	_run()
	if _fail == 0:
		print("PASS: select_item_ui_test (filter + select packet + close-0 + [SELECT_ITEM] token)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)

func _run() -> void:
	# --- quest_dialog [SELECT_ITEM] token 解析（不需资产） ---
	var qd: Node = QuestDialog.new()
	var p1: Dictionary = qd.parse_script("请选择一颗魔石[ENTER][SELECT_ITEM]")
	_ck(p1.get("has_select_item", false) == true, "[SELECT_ITEM] -> has_select_item")
	var p2: Dictionary = qd.parse_script("普通对话[NEXT]")
	_ck(p2.get("has_select_item", true) == false, "no tag -> has_select_item false")
	_ck(qd.has_signal("select_item_requested"), "QuestDialog exposes select_item_requested")
	qd.free()

	var assets := AssetRoot.path()
	if not FileAccess.file_exists(assets.path_join("uiscript/uiscript/selectitemwindow.py")):
		print("  (skip window part: no selectitemwindow.py — assets checkout missing)")
		return

	var UiManager = load("res://ui/ui_manager.gd")
	var ui: CanvasLayer = UiManager.new()
	get_root().add_child(ui)
	ui._ready()
	var fc := FakeClient.new()
	var fp := FakeProto.new()
	get_root().add_child(fc)
	get_root().add_child(fp)
	# 背包：cell 2 = grade0 metin, cell 5 = 非 metin(排除), cell 7 = grade2 metin,
	# cell 9 = grade3 metin(排除), cell 11 = grade1 metin
	fc.inv = [
		{"cell": 2, "vnum": 28030, "count": 1},
		{"cell": 5, "vnum": 19, "count": 1},
		{"cell": 7, "vnum": 28032, "count": 3},
		{"cell": 9, "vnum": 28963, "count": 1},
		{"cell": 11, "vnum": 28031, "count": 1},
	]

	var si: Node = SelectItemUI.new()
	get_root().add_child(si)
	si.setup(ui, fc, fp, assets)
	si.open()
	_ck(si.is_open(), "select-item window opened")
	if not si.is_open():
		return

	# 过滤后应保留 3 颗（cell 2 / 7 / 11），按背包格号升序填入选择窗格 0/1/2
	_ck(si._slot_to_inv.size() == 3, "3 metin stones kept (got %d)" % si._slot_to_inv.size())
	_ck(si._slot_to_inv.get(0, -1) == 2, "slot 0 -> inv cell 2 (grade0)")
	_ck(si._slot_to_inv.get(1, -1) == 7, "slot 1 -> inv cell 7 (grade2)")
	_ck(si._slot_to_inv.get(2, -1) == 11, "slot 2 -> inv cell 11 (grade1)")
	_ck(not si._slot_to_inv.values().has(5), "non-metin (cell 5) excluded")
	_ck(not si._slot_to_inv.values().has(9), "grade>2 metin (cell 9) excluded")

	# 点选择窗格 1 -> 发 SendSelectItemPacket(7) + 关窗，且不再补发 0
	var cell1: Panel = si._cells.get(1, null)
	_ck(cell1 != null, "slot cell 1 present")
	var ev := InputEventMouseButton.new()
	ev.button_index = MOUSE_BUTTON_LEFT
	ev.pressed = true
	cell1.gui_input.emit(ev)
	_ck(fc.selects == [7], "click slot 1 -> script_select_item(7) (got %s)" % str(fc.selects))
	_ck(not si.is_open(), "window closed after select")

	# 重新打开，直接关闭 -> 发 script_select_item(0)（uiselectitem.Close）
	fc.selects.clear()
	si.open()
	_ck(si.is_open(), "reopened")
	si.close()
	_ck(fc.selects == [0], "close without pick -> script_select_item(0) (got %s)" % str(fc.selects))
	_ck(not si.is_open(), "window closed")