# inventory_test — 扩展装备位和腰带背包的协议坐标 / 锁格规则。
extends SceneTree

const InventoryUI = preload("res://ui/inventory_ui.gd")

class FakeProto extends Node:
	func item(_vnum: int) -> Dictionary:
		return {"values": [4]}

class FakeClient extends Node:
	var item_ops := []
	func use_item_to_item(sw: int, sc: int, tw: int, tc: int) -> bool:
		item_ops.append([sw, sc, tw, tc])
		return true

var failed := 0

func _check(ok: bool, message: String) -> void:
	if not ok:
		failed += 1
		printerr("FAIL: " + message)

func _init() -> void:
	var inv := InventoryUI.new()
	_check(inv._to_wire(0) == [1, 0], "normal inventory uses INVENTORY cell")
	# 旧 11 格 wear（BODY..SHIELD）走 EQUIPMENT 窗（window=2, 零基 wear cell）。
	_check(inv._to_wire(90) == [2, 0], "wear body uses EQUIPMENT window cell 0")
	_check(inv._to_wire(100) == [2, 10], "wear shield uses EQUIPMENT window cell 10")
	# ENABLE_NEW_EQUIPMENT_SYSTEM 的 costume/ring/belt 留在 INVENTORY 窗全局 cell（GameType.h）。
	_check(inv._to_wire(109) == [1, 109], "costume body uses legacy global cell 109")
	_check(inv._to_wire(110) == [1, 110], "costume hair uses legacy global cell 110")
	_check(inv._to_wire(111) == [1, 111], "ring1 uses legacy global cell 111")
	_check(inv._to_wire(112) == [1, 112], "ring2 uses legacy global cell 112")
	_check(inv._to_wire(113) == [1, 113], "wear belt uses legacy global cell 113")
	_check(inv._to_wire(200) == [1, 152], "belt UI cell 0 uses global cell 152")
	_check(inv._to_wire(215) == [1, 167], "belt UI cell 15 uses global cell 167")

	inv.proto = FakeProto.new()
	inv.add_child(inv.proto)
	for i in 16:
		var cell := Panel.new()
		inv.add_child(cell)
		inv._cells[200 + i] = cell
	var eq := []
	for _i in 24:
		eq.append({"vnum": 0, "count": 0})
	eq[23] = {"vnum": 12345, "count": 1}
	inv._apply_belt_locks(eq)
	_check(not bool(inv._cells[200].get_meta("locked", true)), "grade 4 unlocks belt cell 0")
	_check(not bool(inv._cells[202].get_meta("locked", true)), "grade 4 unlocks belt cell 2")
	_check(bool(inv._cells[203].get_meta("locked", false)), "grade 4 locks belt cell 3 (needs 6)")
	_check(not bool(inv._cells[206].get_meta("locked", true)), "grade 4 unlocks belt cell 6")
	_check(bool(inv._cells[207].get_meta("locked", false)), "grade 4 locks belt cell 7 (needs 6)")
	var fake_client := FakeClient.new()
	inv.add_child(fake_client)
	inv.client = fake_client
	for index in [0, 1]:
		var item_cell := Panel.new()
		item_cell.set_meta("vnum", 100 + index)
		item_cell.set_meta("count", 2)
		inv.add_child(item_cell)
		inv._cells[index] = item_cell
	_check(inv._use_to_item(0, 1), "item-to-item intent accepted")
	_check(fake_client.item_ops == [[1, 0, 1, 1]], "item-to-item uses original inventory positions")
	inv._begin_combine(0)
	_check(inv._combine_from == 0, "shift selects combine source")
	inv._begin_combine(0)
	_check(inv._combine_from == -1, "shift same source cancels combine")
	inv.free()
	if failed == 0:
		print("PASS: inventory_test (extended equipment + belt mapping)")
		quit(0)
	else:
		quit(1)