extends GdUnitTestSuite

## NEO-122: quest HUD controller accept key + progress label render.

const QuestHudController := preload("res://scripts/quest_hud_controller.gd")
const QuestProgressClient := preload("res://scripts/quest_progress_client.gd")
const QuestDefinitionsClient := preload("res://scripts/quest_definitions_client.gd")


class MockHttpTransport:
	extends Node
	signal request_completed(
		result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray
	)
	var response_code: int = 200
	var body_json: String = ""

	func request(
		_url: String,
		_custom_headers: PackedStringArray = PackedStringArray(),
		_method: HTTPClient.Method = HTTPClient.METHOD_GET,
		_request_data: String = ""
	) -> Error:
		request_completed.emit(
			HTTPRequest.RESULT_SUCCESS,
			response_code,
			PackedStringArray(),
			body_json.to_utf8_buffer()
		)
		return OK


class NoopHttpTransport:
	extends Node
	signal request_completed(
		result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray
	)

	func request(
		_url: String,
		_custom_headers: PackedStringArray = PackedStringArray(),
		_method: HTTPClient.Method = HTTPClient.METHOD_GET,
		_request_data: String = ""
	) -> Error:
		return OK


class PendingAcceptHttpTransport:
	extends Node
	signal request_completed(
		result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray
	)

	func request(
		_url: String,
		_custom_headers: PackedStringArray = PackedStringArray(),
		_method: HTTPClient.Method = HTTPClient.METHOD_POST,
		_request_data: String = ""
	) -> Error:
		return OK


func _make_progress_client(sync_transport: Node, accept_transport: Node = null) -> Node:
	var c: Node = QuestProgressClient.new()
	c.set("injected_sync_http", sync_transport)
	var accept_http: Node = accept_transport if accept_transport != null else sync_transport
	c.set("injected_accept_http", accept_http)
	auto_free(sync_transport)
	if accept_transport != null and accept_transport != sync_transport:
		auto_free(accept_transport)
	auto_free(c)
	add_child(c)
	return c


func _make_defs_client(transport: Node) -> Node:
	var c: Node = QuestDefinitionsClient.new()
	c.set("injected_http", transport)
	auto_free(transport)
	auto_free(c)
	add_child(c)
	return c


func _build_controller(
	sync_transport: Node, accept_transport: Node, defs_transport: Node
) -> Dictionary:
	var controller: Node = QuestHudController.new()
	var progress: Node = _make_progress_client(sync_transport, accept_transport)
	var defs: Node = _make_defs_client(defs_transport)
	var progress_label := Label.new()
	var accept_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	auto_free(accept_label)
	add_child(controller)
	await get_tree().process_frame
	controller.call(
		"setup", progress, defs, progress_label, accept_label, Callable(self, "_noop_http_config")
	)
	await get_tree().process_frame
	return {
		"controller": controller,
		"progress": progress,
		"accept_label": accept_label,
		"progress_label": progress_label,
	}


func _noop_http_config(_client: Node) -> void:
	pass


func test_try_accept_key_input_handles_q_key() -> void:
	# Arrange
	var built: Dictionary = await _build_controller(
		NoopHttpTransport.new(), PendingAcceptHttpTransport.new(), NoopHttpTransport.new()
	)
	var event := InputEventKey.new()
	event.pressed = true
	event.keycode = KEY_Q
	# Act
	var handled: bool = bool(built["controller"].call("try_accept_key_input", event))
	# Assert
	assert_bool(handled).is_true()


func test_progress_label_shows_loading_before_snapshot() -> void:
	# Arrange
	var built: Dictionary = await _build_controller(
		NoopHttpTransport.new(), NoopHttpTransport.new(), NoopHttpTransport.new()
	)
	# Act
	var text: String = str(built["progress_label"].text)
	# Assert
	assert_str(text).contains("Quests:")
	assert_str(text).contains("Loading")


func test_shift_q_shows_progress_loading_before_snapshot() -> void:
	# Arrange
	var controller: Node = QuestHudController.new()
	var accept_label := Label.new()
	var progress_client: Node = QuestProgressClient.new()
	var defs_client: Node = QuestDefinitionsClient.new()
	auto_free(controller)
	auto_free(accept_label)
	auto_free(progress_client)
	auto_free(defs_client)
	add_child(controller)
	controller.set("_progress_client", progress_client)
	controller.set("_defs_client", defs_client)
	controller.set("_accept_label", accept_label)
	controller.set("_last_snapshot", {})
	controller.set("_progress_error", "")
	# Act
	controller.call("_request_eligible_accept")
	# Assert
	assert_str(accept_label.text).contains("progress loading")


func test_shift_q_blocks_when_progress_sync_failed() -> void:
	# Arrange
	var controller: Node = QuestHudController.new()
	var accept_label := Label.new()
	var progress_client: Node = QuestProgressClient.new()
	var defs_client: Node = QuestDefinitionsClient.new()
	auto_free(controller)
	auto_free(accept_label)
	auto_free(progress_client)
	auto_free(defs_client)
	add_child(controller)
	controller.set("_progress_client", progress_client)
	controller.set("_defs_client", defs_client)
	controller.set("_accept_label", accept_label)
	controller.set("_last_snapshot", {})
	controller.set("_progress_error", "HTTP 404 (player unknown)")
	# Act
	controller.call("_request_eligible_accept")
	# Assert
	assert_str(accept_label.text).contains("progress error")


func test_request_accept_shows_busy_feedback() -> void:
	# Arrange
	var built: Dictionary = await _build_controller(
		NoopHttpTransport.new(), PendingAcceptHttpTransport.new(), NoopHttpTransport.new()
	)
	var controller: Node = built["controller"]
	var accept_label: Label = built["accept_label"]
	controller.call("_request_accept", QuestHudController.GATHER_QUEST_ID)
	# Act
	var started: bool = bool(controller.call("_request_accept", QuestHudController.GATHER_QUEST_ID))
	# Assert
	assert_bool(started).is_false()
	assert_str(accept_label.text).contains("busy")


func _not_started_snapshot() -> Dictionary:
	return {
		"schemaVersion": 1,
		"playerId": "dev-local-1",
		"quests":
		[
			{
				"questId": QuestHudController.GATHER_QUEST_ID,
				"status": "not_started",
				"currentStepIndex": 0,
				"objectiveCounters": {},
			}
		],
	}


func test_accept_success_merges_quest_row_into_progress_label() -> void:
	# Arrange
	var progress_client: Node = _make_progress_client(NoopHttpTransport.new())
	var controller: Node = QuestHudController.new()
	var progress_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	add_child(controller)
	await get_tree().process_frame
	controller.set("_progress_client", progress_client)
	controller.set("_progress_label", progress_label)
	controller.set("_last_snapshot", _not_started_snapshot())
	# Act
	(
		controller
		. call(
			"_on_accept_result_received",
			QuestHudController.GATHER_QUEST_ID,
			{
				"accepted": true,
				"quest":
				{
					"questId": QuestHudController.GATHER_QUEST_ID,
					"status": "active",
					"currentStepIndex": 0,
					"objectiveCounters": {},
				},
			}
		)
	)
	# Assert
	assert_str(progress_label.text).contains("active step")


func test_stale_sync_reapplies_accept_quest_patch() -> void:
	# Arrange
	var progress_client: Node = _make_progress_client(NoopHttpTransport.new())
	var controller: Node = QuestHudController.new()
	var progress_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	add_child(controller)
	await get_tree().process_frame
	controller.set("_progress_client", progress_client)
	controller.set("_progress_label", progress_label)
	controller.set("_last_snapshot", _not_started_snapshot())
	(
		controller
		. set(
			"_accept_quest_patch",
			{
				"questId": QuestHudController.GATHER_QUEST_ID,
				"status": "active",
				"currentStepIndex": 0,
				"objectiveCounters": {},
			}
		)
	)
	# Act
	controller.call("_on_progress_received", _not_started_snapshot())
	# Assert
	assert_str(progress_label.text).contains("active step")


func test_accept_clears_progress_error_and_shows_active_row() -> void:
	# Arrange
	var progress_client: Node = _make_progress_client(NoopHttpTransport.new())
	var controller: Node = QuestHudController.new()
	var progress_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	add_child(controller)
	await get_tree().process_frame
	controller.set("_progress_client", progress_client)
	controller.set("_progress_label", progress_label)
	controller.set("_last_snapshot", _not_started_snapshot())
	controller.set("_progress_error", "HTTP 404 (player unknown)")
	# Act
	(
		controller
		. call(
			"_on_accept_result_received",
			QuestHudController.GATHER_QUEST_ID,
			{
				"accepted": true,
				"quest":
				{
					"questId": QuestHudController.GATHER_QUEST_ID,
					"status": "active",
					"currentStepIndex": 0,
					"objectiveCounters": {},
				},
			}
		)
	)
	# Assert
	assert_str(progress_label.text).contains("active step")
	assert_str(progress_label.text).not_contains("error —")


func test_sync_fail_preserves_accept_quest_patch() -> void:
	# Arrange
	var progress_client: Node = _make_progress_client(NoopHttpTransport.new())
	var controller: Node = QuestHudController.new()
	var progress_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	add_child(controller)
	await get_tree().process_frame
	controller.set("_progress_client", progress_client)
	controller.set("_progress_label", progress_label)
	(
		controller
		. set(
			"_accept_quest_patch",
			{
				"questId": QuestHudController.GATHER_QUEST_ID,
				"status": "active",
				"currentStepIndex": 0,
				"objectiveCounters": {},
			}
		)
	)
	(
		controller
		. set(
			"_last_snapshot",
			(
				QuestProgressClient
				. merge_quest_row_into_snapshot(
					_not_started_snapshot(),
					{
						"questId": QuestHudController.GATHER_QUEST_ID,
						"status": "active",
						"currentStepIndex": 0,
						"objectiveCounters": {},
					}
				)
			)
		)
	)
	# Act
	controller.call("_on_sync_failed", "HTTP 503")
	# Assert
	assert_str(progress_label.text).contains("active step")
	assert_str(progress_label.text).contains("sync error — HTTP 503")


func test_shift_q_shows_definitions_error_when_defs_failed() -> void:
	# Arrange
	var controller: Node = QuestHudController.new()
	var accept_label := Label.new()
	var progress_client: Node = QuestProgressClient.new()
	var defs_client: Node = QuestDefinitionsClient.new()
	auto_free(controller)
	auto_free(accept_label)
	auto_free(progress_client)
	auto_free(defs_client)
	add_child(controller)
	controller.set("_progress_client", progress_client)
	controller.set("_defs_client", defs_client)
	controller.set("_accept_label", accept_label)
	controller.set("_last_snapshot", _not_started_snapshot())
	controller.set("_progress_error", "")
	controller.set("_defs_error", "HTTP 503")
	# Act
	controller.call("_request_eligible_accept")
	# Assert
	assert_str(accept_label.text).contains("definitions error")


func _gather_defs_json() -> String:
	return (
		'{"schemaVersion":1,"quests":['
		+ '{"id":"prototype_quest_gather_intro","displayName":"Intro: Salvage Run",'
		+ '"prerequisiteQuestIds":[],"steps":[]}]}'
	)


func test_definitions_ready_repaints_with_display_names_when_progress_error() -> void:
	# Arrange
	var defs_transport := MockHttpTransport.new()
	defs_transport.body_json = _gather_defs_json()
	var defs_client: Node = _make_defs_client(defs_transport)
	var progress_client: Node = _make_progress_client(NoopHttpTransport.new())
	var controller: Node = QuestHudController.new()
	var progress_label := Label.new()
	auto_free(controller)
	auto_free(progress_label)
	add_child(controller)
	await get_tree().process_frame
	defs_client.call("request_sync_from_server")
	controller.set("_progress_client", progress_client)
	controller.set("_defs_client", defs_client)
	controller.set("_progress_label", progress_label)
	controller.set("_last_snapshot", _not_started_snapshot())
	controller.set("_progress_error", "HTTP 503")
	# Act
	controller.call("_on_definitions_ready", [])
	# Assert
	assert_str(progress_label.text).contains("Intro: Salvage Run")
	assert_str(progress_label.text).not_contains("prototype_quest_gather_intro")