extends Node
var screen: Control

func settle() -> void:
	for frame in 5: await get_tree().process_frame

func find_button(prefix: String) -> Button:
	for node in screen._content.find_children("*","Button",true,false):
		if str(node.get_meta("transfer_action",node.text)).begins_with(prefix): return node
	return null

func _ready() -> void:
	GameState.start_new_run()
	GameState.selected_ship_path = "res://assets/Ships/player/bastion.png"
	var game := preload("res://scenes/game/game.tscn").instantiate()
	add_child(game)
	await settle()
	var inv: ShipInventory = game.player.get_node("ShipInventory")
	var captain := GameState.captain
	assert(inv.get_cargo_capacity() == 5 and inv.unlocked_cargo_rows == 1)
	var items: Array[ItemInstance] = []
	for index in 6:
		items.append(preload("res://scripts/items/item_generator.gd").generate_for_definition(preload("res://resources/items/reinforced_shield.tres"),index+1))
	for index in 5: assert(inv.add_item(items[index]))
	assert(not inv.add_item(items[5]) and inv.cargo[5] == null)
	assert(not inv.can_move_item("cargo",0,"cargo",5))
	captain.minerals["iron"] = 100
	assert(not inv.unlock_cargo_row(captain))
	assert(not inv.store_on_freighter(0,items[0],captain))
	var manager := game.get_node("PlanetExpeditions")
	manager.open_freighter()
	screen = manager.screen
	screen._select_section("storage")
	assert(find_button("ZBUDUJ SKŁAD") != null)
	assert(not inv.store_on_freighter(0,items[0],captain))
	find_button("ZBUDUJ SKŁAD").pressed.emit()
	assert(find_button("ODŁÓŻ") != null)
	find_button("ODŁÓŻ").pressed.emit()
	assert(captain.expedition.freighter_storage[0] == items[0])
	assert(inv.cargo[0] == null)
	assert(not inv.store_on_freighter(0,items[0],captain))
	assert(inv.add_item(items[5]))
	assert(not inv.retrieve_from_freighter(0,items[0],captain))
	assert(captain.expedition.freighter_storage.size() == 1)
	screen._refresh()
	assert(find_button("← ODBIERZ").disabled)
	screen._select_section("hangar")
	captain.minerals["iron"] = 9
	assert(not inv.unlock_cargo_row(captain) and captain.minerals.iron == 9)
	captain.minerals["iron"] = 30
	screen._refresh()
	screen._content.find_child("UnlockCargo",true,false).pressed.emit()
	assert(inv.get_cargo_capacity() == 10 and captain.minerals.iron == 20)
	screen._select_section("storage")
	find_button("← ODBIERZ").pressed.emit()
	assert(inv.cargo[5] == items[0] and captain.expedition.freighter_storage.is_empty())
	assert(inv.store_on_freighter(1,items[1],captain))
	assert(inv.store_on_freighter(2,items[2],captain))
	assert(not inv.retrieve_from_freighter(0,items[2],captain),"Stale buttons cannot transfer another item")
	screen._refresh()
	await settle()
	await RenderingServer.frame_post_draw
	get_viewport().get_texture().get_image().save_png("res://artifacts/freighter_storage.png")
	assert(inv.unlock_cargo_row(captain) and inv.unlock_cargo_row(captain))
	assert(inv.get_cargo_capacity() == 20 and captain.minerals.iron == 0)
	captain.minerals["iron"] = 10
	assert(not inv.unlock_cargo_row(captain) and captain.minerals.iron == 10)
	assert(ResourceSaver.save(captain.expedition,"user://freighter_storage_test.tres") == OK)
	var restored: Resource = ResourceLoader.load("user://freighter_storage_test.tres","",ResourceLoader.CACHE_MODE_IGNORE)
	assert(restored.freighter_storage.size() == 2)
	assert(restored.freighter_storage[0].item_level == items[1].item_level)
	DirAccess.remove_absolute("user://freighter_storage_test.tres")
	inv.preserve_for_restart()
	screen.closed.emit()
	assert(not inv.retrieve_from_freighter(0,items[1],captain))
	game.free()
	game = preload("res://scenes/game/game.tscn").instantiate()
	add_child(game)
	await settle()
	inv = game.player.get_node("ShipInventory")
	assert(inv.get_cargo_capacity() == 20 and captain.expedition.freighter_storage.size() == 2)
	game.get_node("PlanetExpeditions").open_freighter()
	assert(inv.retrieve_from_freighter(0,items[1],captain))
	game.get_node("PlanetExpeditions").screen.closed.emit()
	game.free()
	GameState.start_new_run()
	assert(GameState.captain.expedition.freighter_storage.is_empty())
	print("FREIGHTER STORAGE PASS: 5 starting cargo cells, locked loot/drop, row costs/limits, construction, bidirectional transfers, full cargo, stale buttons, resource serialization, system persistence, new run reset")
	get_tree().quit()