# SafeboxUI (P8) —— 仓库窗（1:1 对齐 40250 `root/uisafebox.py` 与 `uiscript/safeboxwindow.py`）。
#
#   var bu := preload("res://ui/safebox_ui.gd").new()
#   add_child(bu)
#   bu.setup(m2client, canvas_parent, proto)
#
# 采用 40250 经典 176×373 羊皮纸金属 Board 边框与 TitleBar。
# 5×9 格子（45 格/页），使用 Slot_Base.sub 底图。
# 底部单选分页按键（I / II / III）、修改密码与关闭大按钮。
# 右键格子道具直接取出至背包；在背包中右键直接存入仓库；支持鼠标拖放。
extends Node

const ItemTooltip = preload("res://ui/item_tooltip.gd")
const UiKit = preload("res://ui_kit.gd")
const UiBuild = preload("res://ui/ui_build.gd")
const UiAssets = preload("res://ui/ui_assets.gd")

var client: Node
var proto: Node
var _tooltip_builder: RefCounted
var _assets_root := ""
var _root: Control
var _board_panel: Control
var _list: VBoxContainer
var _gold: Label
var _title: Label
var _status: Label
var _password_dialog: ConfirmationDialog
var _grid_container: Control
var _cells: Dictionary = {}
var _page_buttons: Array[Button] = []
var _page_button_container: HBoxContainer
var _change_pw_btn: Button
var _exit_btn: Button
var _page_label: Label
var _page := 0
var item_mouse: Node
var _mobile_mode := false
var _mobile_inventory_title: Label
var _mobile_inventory_scroll: ScrollContainer
var _mobile_inventory_list: VBoxContainer
var _mobile_deposit_pending := {}
var _change_pw_dialog: ConfirmationDialog

const SAFE_PAGE_SLOTS := 45
const SAFE_WINDOW := 3
const INVENTORY_WINDOW := 1
const USE_SAFEBOX_LIMIT_RANGE_M := 10.0

var ui: CanvasLayer
var _open_char_pos := Vector3.ZERO
var _has_open_pos := false

func setup(m2client: Node, parent: Node, proto_node: Node = null, assets_override := "") -> void:
	client = m2client
	proto = proto_node
	ui = parent as CanvasLayer
	_assets_root = assets_override if assets_override != "" else AssetRoot.path()
	_tooltip_builder = ItemTooltip.new()
	_tooltip_builder.setup(_assets_root, "en", proto)
	_build(parent)
	if client and client.has_signal("safebox_opened"):
		client.safebox_opened.connect(func(_size): open())
	if client and client.has_signal("safebox_closed"):
		client.safebox_closed.connect(_close_local)
	if client and client.has_signal("safebox_changed"):
		client.safebox_changed.connect(refresh)
	if client and client.has_signal("inventory_changed"):
		client.inventory_changed.connect(_refresh_inventory_candidates)
	if client and client.has_signal("safebox_password_required"):
		client.safebox_password_required.connect(func(): _ask_password("safebox"))
	if client and client.has_signal("safebox_wrong_password"):
		client.safebox_wrong_password.connect(func():
			if is_instance_valid(_status):
				_status.text = "仓库密码错误")
	if ui and ui.has_signal("window_closed"):
		ui.window_closed.connect(func(w):
			if w == _root and is_open():
				close()
		)

func is_open() -> bool:
	return _root != null and _root.visible

func _get_main_char_pos() -> Variant:
	if client == null:
		return null
	var vid := 0
	if client.has_method("get_main_vid"):
		vid = int(client.get_main_vid())
	if vid != 0 and client.has_method("get_entity"):
		var e: Dictionary = client.get_entity(vid)
		if not e.is_empty() and e.has("pos"):
			return e["pos"]
	return null

func _process(_delta: float) -> void:
	if not is_open() or not _has_open_pos:
		return
	var cur = _get_main_char_pos()
	if cur is Vector3:
		if _open_char_pos.distance_to(cur) > USE_SAFEBOX_LIMIT_RANGE_M:
			close()

func open() -> void:
	if _root:
		var vp_size := Vector2(800.0, 600.0)
		if _root.is_inside_tree():
			vp_size = _root.get_viewport_rect().size
		elif ui and ui.is_inside_tree():
			vp_size = ui.get_viewport().get_visible_rect().size
		_root.position.x = maxf(0.0, (vp_size.x - _root.size.x) / 2.0)
		_root.position.y = maxf(0.0, (vp_size.y - _root.size.y) / 2.0)
		_root.visible = true
		if ui and ui.has_method("open"):
			ui.open(_root)
		var p = _get_main_char_pos()
		if p is Vector3:
			_open_char_pos = p
			_has_open_pos = true
		refresh()

func toggle_window() -> void:
	if is_open():
		close()
	else:
		open()

func set_mobile_mode(enabled: bool) -> void:
	_mobile_mode = enabled
	_apply_mobile_layout()
	_refresh_inventory_candidates()

func get_mobile_window() -> Control:
	return _root

func close() -> void:
	# 对齐原版 SafeboxWindow.Close()：先发 /safebox_close 让服务器同步关仓
	if client and client.has_method("safebox_close") and is_open():
		client.safebox_close()
	_close_local()

func _close_local() -> void:
	_has_open_pos = false
	if item_mouse and item_mouse.has_method("unregister_owner"):
		item_mouse.unregister_owner(self)
		if item_mouse.has_method("is_attached") and item_mouse.is_attached():
			item_mouse.cancel()
	if _root:
		_root.visible = false
		if ui and "_stack" in ui:
			ui._stack.erase(_root)
			if ui.has_method("_restack"):
				ui._restack()
	_page = 0
	_mobile_deposit_pending.clear()
	if is_instance_valid(_password_dialog):
		_password_dialog.queue_free()
		_password_dialog = null

func deposit(inv_window: int, inv_cell: int) -> void:
	if not is_open() or inv_window < 0 or inv_cell < 0:
		return
	if inv_window == INVENTORY_WINDOW and _mobile_deposit_pending.has(inv_cell):
		if is_instance_valid(_status):
			_status.text = "该物品的存入请求已发送"
		return
	var safe_pos := _next_free_slot()
	if safe_pos < 0:
		if is_instance_valid(_status):
			_status.text = "仓库已满"
		return
	if not client.has_method("safebox_checkin"):
		if is_instance_valid(_status):
			_status.text = "存入请求发送失败"
		return
	if not client.safebox_checkin(safe_pos, inv_window, inv_cell):
		if is_instance_valid(_status):
			_status.text = "存入请求发送失败"
		return
	if inv_window == INVENTORY_WINDOW:
		_mobile_deposit_pending[inv_cell] = true
		if is_instance_valid(_status):
			_status.text = "已发送存入请求"

func _next_free_slot() -> int:
	var used := {}
	if client and client.has_method("get_safebox_items"):
		for it in client.get_safebox_items():
			used[int(it.get("cell", -1))] = true
	var cap: int = maxi(1, int(client.get_safebox_size()) if client and client.has_method("get_safebox_size") else 1) * 45
	for i in range(cap):
		if not used.has(i):
			return i
	return -1

func _name_of(vnum: int) -> String:
	if proto and proto.has_method("item"):
		var d: Dictionary = proto.item(vnum)
		var n := String(d.get("locale_name", d.get("name", "")))
		if n != "":
			return n
	return "#%d" % vnum

func _tooltip_for(item: Dictionary) -> String:
	var vnum := int(item.get("vnum", 0))
	if _tooltip_builder:
		var pd: Dictionary = proto.item(vnum) if proto and proto.has_method("item") else {}
		return _tooltip_builder.format(vnum, int(item.get("count", 1)), pd, item)
	return "%s\n#%d ×%d" % [_name_of(vnum), vnum, int(item.get("count", 1))]

func refresh() -> void:
	if client == null:
		return
	_root.visible = client.is_safebox_open() if client.has_method("is_safebox_open") else true
	if not _root.visible:
		return
	if is_instance_valid(_status):
		_status.text = ""
	var pages := maxi(1, int(client.get_safebox_size()))
	_page = clampi(_page, 0, pages - 1)
	if is_instance_valid(_title):
		_title.text = "仓库" if not _mobile_mode else "仓库（第 %d/%d 页）" % [_page + 1, pages]
	if is_instance_valid(_page_label):
		_page_label.text = "%d / %d" % [_page + 1, pages]
	if is_instance_valid(_gold):
		_gold.text = "仓库金币: %d" % client.get_safebox_gold()
	for i in _page_buttons.size():
		var btn: Button = _page_buttons[i]
		btn.visible = i < pages
		btn.set_pressed_no_signal(i == _page)
	_render_grid()
	for c in _list.get_children():
		c.queue_free()
	var items: Array = client.get_safebox_items() if client and client.has_method("get_safebox_items") else []
	if items.is_empty():
		var e := Label.new()
		e.text = "（空）"
		_list.add_child(e)
	else:
		for it in items:
			_list.add_child(_row(it))
	_refresh_inventory_candidates()

func _render_grid() -> void:
	for pos in _cells:
		var cell: Control = _cells[pos]
		_clear_grid_cell(cell)
	var items: Array = client.get_safebox_items() if client and client.has_method("get_safebox_items") else []
	for it in items:
		var absolute_pos := int(it.get("cell", -1))
		var pos := absolute_pos - _page * SAFE_PAGE_SLOTS
		if not _cells.has(pos):
			continue
		var cell: Control = _cells[pos]
		_fill_grid_cell(cell, it)

func _clear_grid_cell(cell: Control) -> void:
	cell.tooltip_text = ""
	cell.set_meta("vnum", 0)
	cell.set_meta("count", 0)
	for c in cell.get_children():
		c.queue_free()

func _fill_grid_cell(cell: Control, item: Dictionary) -> void:
	var vnum := int(item.get("vnum", 0))
	var count := int(item.get("count", 1))
	cell.set_meta("vnum", vnum)
	cell.set_meta("count", count)
	cell.tooltip_text = _tooltip_for(item)

	var tex := _icon(vnum)
	if tex != null:
		var tr := TextureRect.new()
		tr.name = "Icon"
		tr.texture = tex
		tr.set_anchors_preset(Control.PRESET_FULL_RECT)
		tr.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
		tr.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
		tr.mouse_filter = Control.MOUSE_FILTER_IGNORE
		cell.add_child(tr)
	else:
		var lbl := Label.new()
		lbl.name = "Icon"
		lbl.text = _name_of(vnum).substr(0, 4)
		lbl.add_theme_font_size_override("font_size", 9)
		lbl.mouse_filter = Control.MOUSE_FILTER_IGNORE
		cell.add_child(lbl)

	if count > 1:
		var cnt_lbl := Label.new()
		cnt_lbl.name = "Count"
		cnt_lbl.text = str(count)
		cnt_lbl.position = Vector2(2, 16)
		cnt_lbl.size = Vector2(28, 14)
		cnt_lbl.horizontal_alignment = HORIZONTAL_ALIGNMENT_RIGHT
		cnt_lbl.add_theme_font_size_override("font_size", 10)
		cnt_lbl.add_theme_color_override("font_color", Color(1.0, 1.0, 0.8))
		cnt_lbl.mouse_filter = Control.MOUSE_FILTER_IGNORE
		cell.add_child(cnt_lbl)

func _icon(vnum: int) -> Texture2D:
	if _assets_root == "":
		return null
	var rel := "icon/item/%05d.tga" % vnum
	var tex := UiAssets.load_tex(_assets_root, rel)
	if tex == null:
		rel = "icon/item/%05d.tga" % ((vnum / 10) * 10)
		tex = UiAssets.load_tex(_assets_root, rel)
	return tex

func _drop_to_slot(payload: Dictionary, local_pos: int) -> bool:
	if payload.is_empty() or not _cells.has(local_pos):
		return false
	var safe_pos := _page * SAFE_PAGE_SLOTS + local_pos
	var cell: Control = _cells[local_pos]
	if int(cell.get_meta("vnum", 0)) != 0:
		return false
	var source_window := int(payload.get("window", -1))
	var source_cell := int(payload.get("cell", -1))
	if source_cell < 0:
		return false
	if source_window in [1, 2] and client.has_method("safebox_checkin"):
		return client.safebox_checkin(safe_pos, source_window, source_cell)
	if source_window == SAFE_WINDOW and client.has_method("safebox_move"):
		return client.safebox_move(source_cell, safe_pos, 1)
	return false

func _on_cell_input(local_pos: int, ev: InputEvent) -> void:
	if not (ev is InputEventMouseButton and ev.pressed):
		return
	if ev.button_index == MOUSE_BUTTON_RIGHT:
		var safe_pos := _page * SAFE_PAGE_SLOTS + local_pos
		var target := _first_free_inv()
		if target < 0:
			if is_instance_valid(_status): _status.text = "背包已满"
			return
		if client and client.has_method("safebox_checkout"):
			client.safebox_checkout(safe_pos, 1, target)
	elif ev.button_index == MOUSE_BUTTON_LEFT:
		if _mobile_mode:
			_on_mobile_grid_tap(local_pos)
			return
		if item_mouse and item_mouse.has_method("attach_item"):
			var cell: Control = _cells.get(local_pos, null)
			if cell:
				var vnum := int(cell.get_meta("vnum", 0))
				if vnum > 0:
					item_mouse.attach_item(SAFE_WINDOW, _page * SAFE_PAGE_SLOTS + local_pos, vnum,
							int(cell.get_meta("count", 1)), null, "safebox")

func _on_mobile_grid_tap(local_pos: int) -> void:
	if client == null or not _cells.has(local_pos):
		return
	var cell: Control = _cells[local_pos]
	if int(cell.get_meta("vnum", 0)) == 0 or not client.has_method("safebox_checkout"):
		return
	var target := _first_free_inv()
	if target < 0:
		if is_instance_valid(_status):
			_status.text = "背包已满"
		return
	if not client.safebox_checkout(_page * SAFE_PAGE_SLOTS + local_pos, 1, target):
		if is_instance_valid(_status):
			_status.text = "取出请求发送失败"

func _select_page(index: int) -> void:
	_page = index
	for i in _page_buttons.size():
		var btn: Button = _page_buttons[i]
		btn.set_pressed_no_signal(i == _page)
	if _page_label:
		_page_label.text = "%d / 3" % (_page + 1)
	if _title:
		_title.text = "仓库" if not _mobile_mode else "仓库（第 %d/3 页）" % (_page + 1)
	_render_grid()

func _change_page(delta: int) -> void:
	var pages := maxi(1, int(client.get_safebox_size()) if client and client.has_method("get_safebox_size") else 3)
	_select_page(posmod(_page + delta, pages))

func _apply_mobile_layout() -> void:
	if _root == null:
		return
	if _mobile_mode:
		_root.size = Vector2(688, 400)
		_root.position = Vector2(-344, -200)
		if _grid_container:
			_grid_container.position = Vector2(12, 54)
		if _mobile_inventory_title:
			_mobile_inventory_title.visible = true
			_mobile_inventory_title.position = Vector2(350, 48)
		if _mobile_inventory_scroll:
			_mobile_inventory_scroll.visible = true
			_mobile_inventory_scroll.position = Vector2(350, 76)
			_mobile_inventory_scroll.size = Vector2(326, 292)
		if _gold:
			_gold.visible = true
			_gold.position = Vector2(12, 350)
		if _change_pw_btn:
			_change_pw_btn.position = Vector2(12, 316)
		if _exit_btn:
			_exit_btn.position = Vector2(174, 316)
	else:
		# 桌面端也显示背包候选面板（右侧），方便存入物品。
		_root.size = Vector2(530, 418)
		if _grid_container:
			_grid_container.position = Vector2(8, 35)
		if _mobile_inventory_title:
			_mobile_inventory_title.visible = true
			_mobile_inventory_title.position = Vector2(184, 35)
		if _mobile_inventory_scroll:
			_mobile_inventory_scroll.visible = true
			_mobile_inventory_scroll.position = Vector2(184, 56)
			_mobile_inventory_scroll.size = Vector2(336, 296)
		if _gold:
			_gold.visible = false
		if _page_button_container:
			_page_button_container.position = Vector2(10, 333)
		if _change_pw_btn:
			_change_pw_btn.position = Vector2(51, 360)
		if _exit_btn:
			_exit_btn.position = Vector2(51, 381)

func _refresh_inventory_candidates() -> void:
	if _mobile_inventory_list == null or not is_open():
		return
	for child in _mobile_inventory_list.get_children():
		child.queue_free()
	var inventory: Array = client.get_inventory() if client and client.has_method("get_inventory") else []
	var shown := 0
	for item in inventory:
		var cell := int(item.get("cell", -1))
		var vnum := int(item.get("vnum", 0))
		if cell < 0 or vnum <= 0 or _mobile_deposit_pending.has(cell):
			continue
		var button := Button.new()
		button.alignment = HORIZONTAL_ALIGNMENT_LEFT
		button.text = "%s ×%d  · 点按存入" % [_name_of(vnum), int(item.get("count", 1))]
		button.custom_minimum_size = Vector2(316, 34)
		button.tooltip_text = _tooltip_for(item)
		var captured_cell := cell
		button.pressed.connect(func() -> void: deposit(INVENTORY_WINDOW, captured_cell))
		_mobile_inventory_list.add_child(button)
		shown += 1
	if shown == 0:
		var empty := Label.new()
		empty.text = "（没有可存入物品）"
		empty.add_theme_font_size_override("font_size", 12)
		_mobile_inventory_list.add_child(empty)

func _ask_password(kind: String) -> void:
	if is_instance_valid(_password_dialog):
		_password_dialog.queue_free()
	_password_dialog = ConfirmationDialog.new()
	_password_dialog.title = "商城密码" if kind == "mall" else "仓库密码"
	_password_dialog.dialog_text = "请输入 1～6 位密码"
	_password_dialog.ok_button_text = "确认"
	_password_dialog.cancel_button_text = "取消"
	var edit := LineEdit.new()
	edit.secret = true
	edit.max_length = 6
	edit.placeholder_text = "密码"
	edit.virtual_keyboard_type = LineEdit.KEYBOARD_TYPE_NUMBER
	edit.custom_minimum_size = Vector2(360, 44) if _mobile_mode else Vector2(220, 28)
	_password_dialog.add_child(edit)
	_password_dialog.confirmed.connect(func() -> void:
		var sent: bool = client.safebox_password(edit.text) if kind == "safebox" else client.mall_password(edit.text)
		if not sent and is_instance_valid(_status):
			_status.text = "密码格式无效"
		_password_dialog.queue_free()
		_password_dialog = null)
	_password_dialog.canceled.connect(func() -> void:
		_password_dialog.queue_free()
		_password_dialog = null)
	if _mobile_mode:
		_password_dialog.set_meta("mobile_modal", true)
		_password_dialog.set_meta("mobile_title", "商城密码" if kind == "mall" else "仓库密码")
		_password_dialog.min_size = Vector2i(460, 230)
		_password_dialog.size = Vector2i(460, 230)
	_root.add_child(_password_dialog)
	if _mobile_mode:
		_password_dialog.popup_centered(Vector2i(460, 230))
	else:
		_password_dialog.popup_centered()

func _ask_change_password() -> void:
	if not is_open():
		return
	if is_instance_valid(_change_pw_dialog):
		_change_pw_dialog.queue_free()
	_change_pw_dialog = ConfirmationDialog.new()
	_change_pw_dialog.title = "修改仓库密码"
	_change_pw_dialog.dialog_text = "旧密码 / 新密码（1～6 位）/ 再输入一次新密码"
	_change_pw_dialog.ok_button_text = "确认"
	_change_pw_dialog.cancel_button_text = "取消"
	var box := VBoxContainer.new()
	var edits: Array[LineEdit] = []
	for hint in ["旧密码", "新密码", "确认新密码"]:
		var row := HBoxContainer.new()
		var lbl := Label.new()
		lbl.text = hint
		lbl.custom_minimum_size = Vector2(96, 0)
		row.add_child(lbl)
		var edit := LineEdit.new()
		edit.secret = true
		edit.max_length = 6
		edit.placeholder_text = hint
		edit.virtual_keyboard_type = LineEdit.KEYBOARD_TYPE_NUMBER
		edit.custom_minimum_size = Vector2(360, 44) if _mobile_mode else Vector2(160, 28)
		row.add_child(edit)
		box.add_child(row)
		edits.append(edit)
	_change_pw_dialog.add_child(box)
	_change_pw_dialog.confirmed.connect(func() -> void:
		var old_pw := edits[0].text
		var new_pw := edits[1].text
		if new_pw != edits[2].text:
			if is_instance_valid(_status):
				_status.text = "两次输入的新密码不一致"
		elif old_pw.is_empty() or new_pw.is_empty() or new_pw.length() > 6 				or old_pw.length() > 6:
			if is_instance_valid(_status):
				_status.text = "密码须为 1～6 位"
		elif not client.safebox_change_password(old_pw, new_pw):
			if is_instance_valid(_status):
				_status.text = "修改密码请求发送失败"
		else:
			if is_instance_valid(_status):
				_status.text = "已提交修改密码请求"
		_change_pw_dialog.queue_free()
		_change_pw_dialog = null)
	_change_pw_dialog.canceled.connect(func() -> void:
		_change_pw_dialog.queue_free()
		_change_pw_dialog = null)
	if _mobile_mode:
		_change_pw_dialog.set_meta("mobile_modal", true)
		_change_pw_dialog.set_meta("mobile_title", "修改仓库密码")
		_change_pw_dialog.min_size = Vector2i(560, 320)
		_change_pw_dialog.size = Vector2i(560, 320)
	_root.add_child(_change_pw_dialog)
	if _mobile_mode:
		_change_pw_dialog.popup_centered(Vector2i(560, 320))
	else:
		_change_pw_dialog.popup_centered()

func _row(it: Dictionary) -> Control:
	var row := HBoxContainer.new()
	row.custom_minimum_size = Vector2(300, 0)
	var nm := Label.new()
	nm.text = "%s ×%d" % [_name_of(int(it.get("vnum", 0))), int(it.get("count", 1))]
	nm.custom_minimum_size = Vector2(220, 0)
	nm.add_theme_font_size_override("font_size", 12)
	row.add_child(nm)
	var out := Button.new()
	out.text = "取出"
	var cell := int(it.get("cell", 0))
	out.pressed.connect(func() -> void:
		var target := _first_free_inv()
		if target < 0:
			if is_instance_valid(_status): _status.text = "背包已满"
			return
		if not client.safebox_checkout(cell, 1, target):
			if is_instance_valid(_status): _status.text = "取出请求发送失败")
	row.add_child(out)
	return row

func _first_free_inv() -> int:
	var used := {}
	if client and client.has_method("get_inventory"):
		for it in client.get_inventory():
			used[int(it.get("cell", -1))] = true
	for i in range(90):
		if not used.has(i):
			return i
	return -1

func _build(parent: Node) -> void:
	_root = Control.new()
	_root.name = "SafeboxWindow"
	_root.size = Vector2(176, 418)
	parent.add_child(_root)
	var vp_size := Vector2(800.0, 600.0)
	if _root.is_inside_tree():
		vp_size = _root.get_viewport_rect().size
	elif ui and ui.is_inside_tree():
		vp_size = ui.get_viewport().get_visible_rect().size
	_root.position.x = maxf(0.0, (vp_size.x - _root.size.x) / 2.0)
	_root.position.y = maxf(0.0, (vp_size.y - _root.size.y) / 2.0)
	_root.visible = false
	_root.set_meta("is_titlebar", true)

	# 1. 经典羊皮纸金属 Board 边框
	var board_np := UiKit.board(_assets_root, "board", 32, 128)
	if board_np and board_np.texture:
		board_np.set_anchors_preset(Control.PRESET_FULL_RECT)
		board_np.mouse_filter = Control.MOUSE_FILTER_IGNORE
		_root.add_child(board_np)
	else:
		var panel := Panel.new()
		panel.set_anchors_preset(Control.PRESET_FULL_RECT)
		var sb := StyleBoxFlat.new()
		sb.bg_color = Color(0.06, 0.08, 0.09, 0.97)
		sb.set_corner_radius_all(4)
		panel.add_theme_stylebox_override("panel", sb)
		_root.add_child(panel)

	# 2. 官方 TitleBar
	var titlebar := UiBuild._titlebar(_assets_root, 161, {})
	titlebar.name = "TitleBar"
	titlebar.position = Vector2(8, 7)
	_root.add_child(titlebar)

	_title = Label.new()
	_title.name = "TitleName"
	_title.text = "仓库"
	_title.position = Vector2(0, 0)
	_title.size = Vector2(161, 23)
	_title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_title.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
	_title.add_theme_color_override("font_color", Color(1.0, 0.9, 0.6))
	_title.mouse_filter = Control.MOUSE_FILTER_IGNORE
	titlebar.add_child(_title)

	var close_btn: Button = titlebar.find_child("CloseButton", true, false)
	if close_btn:
		close_btn.pressed.connect(close)

	# 3. 5×9 GridSlotWindow (8, 35)
	_grid_container = Control.new()
	_grid_container.name = "wndItem"
	_grid_container.position = Vector2(8, 35)
	_grid_container.size = Vector2(160, 288)
	_root.add_child(_grid_container)

	var slot_base_tex := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/public/Slot_Base.sub")
	for pos in SAFE_PAGE_SLOTS:
		var col := pos % 5
		var row := pos / 5
		var cell := Panel.new()
		cell.name = "slot_%d" % pos
		cell.position = Vector2(col * 32, row * 32)
		cell.custom_minimum_size = Vector2(32, 32)
		cell.size = Vector2(32, 32)
		cell.set_meta("safe_pos", pos)
		cell.mouse_filter = Control.MOUSE_FILTER_STOP
		if slot_base_tex:
			var sbt := StyleBoxTexture.new()
			sbt.texture = slot_base_tex
			cell.add_theme_stylebox_override("panel", sbt)
		else:
			var sbf := StyleBoxFlat.new()
			sbf.bg_color = Color(0.12, 0.12, 0.15)
			cell.add_theme_stylebox_override("panel", sbf)

		cell.gui_input.connect(func(e: InputEvent): _on_cell_input(pos, e))
		if item_mouse and item_mouse.has_method("register_target"):
			item_mouse.register_target(cell,
				func(payload: Dictionary): return _drop_to_slot(payload, pos), self)
		_grid_container.add_child(cell)
		_cells[pos] = cell

	# 4. 单选分页按键 (I, II, III) - 40250 原版在 y = 333 (418 - 85)
	_page_button_container = HBoxContainer.new()
	_page_button_container.name = "PageButtons"
	_page_button_container.position = Vector2(10, 333)
	_page_button_container.size = Vector2(156, 20)
	_page_button_container.alignment = BoxContainer.ALIGNMENT_CENTER
	_page_button_container.add_theme_constant_override("separation", 6)
	_root.add_child(_page_button_container)

	for p_idx in 3:
		var p_btn := Button.new()
		p_btn.name = "PageBtn_%d" % p_idx
		p_btn.text = ["I", "II", "III"][p_idx]
		p_btn.custom_minimum_size = Vector2(44, 18)
		p_btn.toggle_mode = true
		var t1 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/game/windows/tab_button_middle_01.sub")
		var t2 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/game/windows/tab_button_middle_02.sub")
		var t3 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/game/windows/tab_button_middle_03.sub")
		if t1:
			var sb1 := StyleBoxTexture.new(); sb1.texture = t1
			p_btn.add_theme_stylebox_override("normal", sb1)
			if t2:
				var sb2 := StyleBoxTexture.new(); sb2.texture = t2
				p_btn.add_theme_stylebox_override("hover", sb2)
			if t3:
				var sb3 := StyleBoxTexture.new(); sb3.texture = t3
				p_btn.add_theme_stylebox_override("pressed", sb3)
		p_btn.pressed.connect(func(): _select_page(p_idx))
		_page_button_container.add_child(p_btn)
		_page_buttons.append(p_btn)

	# 5. 修改密码与关闭大按钮 - 40250 原版居中纵向排列
	_change_pw_btn = _create_large_button("ChangePasswordButton", "修改密码", Vector2(51, 360), func(): _ask_change_password())
	_change_pw_btn.size = Vector2(74, 21)
	_root.add_child(_change_pw_btn)

	_exit_btn = _create_large_button("ExitButton", "关闭", Vector2(51, 381), func(): close())
	_exit_btn.size = Vector2(74, 21)
	_root.add_child(_exit_btn)

	# 兼容字段（测试与移动端使用）
	_gold = Label.new()
	_gold.name = "Gold"
	_gold.visible = false
	_root.add_child(_gold)

	_page_label = Label.new()
	_page_label.name = "PageLabel"
	_page_label.visible = false
	_root.add_child(_page_label)

	_status = Label.new()
	_status.name = "Status"
	_status.visible = false
	_root.add_child(_status)

	_list = VBoxContainer.new()
	_list.name = "List"
	_list.visible = false
	_root.add_child(_list)

	# 移动端适配容器
	_mobile_inventory_title = Label.new()
	_mobile_inventory_title.text = "背包候选 · 点按存入"
	_mobile_inventory_title.position = Vector2(350, 48)
	_mobile_inventory_title.visible = false
	_root.add_child(_mobile_inventory_title)

	_mobile_inventory_scroll = ScrollContainer.new()
	_mobile_inventory_scroll.position = Vector2(350, 76)
	_mobile_inventory_scroll.size = Vector2(326, 292)
	_mobile_inventory_scroll.visible = false
	_root.add_child(_mobile_inventory_scroll)

	_mobile_inventory_list = VBoxContainer.new()
	_mobile_inventory_list.add_theme_constant_override("separation", 6)
	_mobile_inventory_scroll.add_child(_mobile_inventory_list)

	_select_page(0)
	_apply_mobile_layout()

func _create_large_button(btn_name: String, text: String, pos: Vector2, on_click: Callable) -> Button:
	var btn := Button.new()
	btn.name = btn_name
	btn.text = text
	btn.position = pos
	btn.size = Vector2(74, 22)
	btn.custom_minimum_size = Vector2(74, 22)
	btn.add_theme_font_size_override("font_size", 11)
	var t1 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/public/large_button_01.sub")
	var t2 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/public/large_button_02.sub")
	var t3 := UiAssets.load_tex(_assets_root, "ETC/ymir work/ui/public/large_button_03.sub")
	if t1:
		var sb1 := StyleBoxTexture.new(); sb1.texture = t1
		btn.add_theme_stylebox_override("normal", sb1)
		if t2:
			var sb2 := StyleBoxTexture.new(); sb2.texture = t2
			btn.add_theme_stylebox_override("hover", sb2)
		if t3:
			var sb3 := StyleBoxTexture.new(); sb3.texture = t3
			btn.add_theme_stylebox_override("pressed", sb3)
	btn.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
	btn.pressed.connect(on_click)
	return btn