extends "res://addons/gut/test.gd"

const SCENE := "res://scenes/flow/GameFlow.tscn"
const ContentDB = preload("res://scripts/content/content_db.gd")
const FakeTransport = preload("res://tests/doubles/fake_transport.gd")
const DmResponse = preload("res://scripts/net/dm_response.gd")


func _flow() -> Node:
	# Inject fakes BEFORE _ready (add_child): a real world + a network-free service,
	# so the shell's initial narrate never touches HTTP.
	var node = load(SCENE).instantiate()
	var world = ContentDB.new()
	world.load_from(ContentDB.default_content_root())
	node.world = world
	node.origin = ContentDB.load_json(ContentDB.origin_path("deserter"))
	var transport = FakeTransport.new()
	transport.set_response(DmResponse.ok(200, {"prose": "Rain on the cobbles."}))
	node.service = DmService.new(transport, FallbackLibrary.new())
	add_child_autofree(node)
	return node


func _creation() -> Dictionary:
	return {
		"name": "Dagnet", "race_id": "human", "calling_id": "sellsword",
		"seed": 8675309, "spend": {},
		"skills": ["athletics", "endurance"], "bonus_skill": "perception",
	}


func test_boots_into_the_title():
	var flow := _flow()
	assert_true(flow._current is TitleScreen, "GameFlow opens on the title")


func test_new_game_shows_creation():
	var flow := _flow()
	flow._current.emit_signal("menu_activated", &"new_game")
	assert_true(flow._current is CharacterCreation, "new game routes to creation")


func test_confirming_creation_reaches_the_shell_as_the_created_character():
	var flow := _flow()
	flow._current.emit_signal("menu_activated", &"new_game")
	flow._current.emit_signal("creation_confirmed", _creation())
	assert_true(flow._current is MainWindowShell, "creation routes to the shell")
	assert_eq(flow._current._log.player.name, "Dagnet",
		"the CREATED character flowed through — not a seed, not a swap alone")


func _assert_stays_on_creation(bad: Dictionary, why: String) -> void:
	var flow := _flow()
	flow._current.emit_signal("menu_activated", &"new_game")
	# Drive the REAL signal with an invalid dict. The CTA gates this out via the UI,
	# but §2 forbids GameFlow trusting the caller and §13 forbids surfacing an error.
	flow._current.emit_signal("creation_confirmed", bad)
	assert_false(flow._current is MainWindowShell, "a failed construct never reaches the shell (§13): %s" % why)
	assert_true(flow._current is CharacterCreation, "the player stays on the valid creation screen: %s" % why)


func test_construct_failure_empty_name_stays_on_creation():
	var bad := _creation()
	bad["name"] = ""            # empty name fails NewGame.validate
	_assert_stays_on_creation(bad, "empty name")


func test_construct_failure_bad_calling_stays_on_creation():
	var bad := _creation()
	bad["calling_id"] = "bard"  # NPC-only / not a real calling — fails NewGame.validate
	_assert_stays_on_creation(bad, "unknown calling")