extends GdUnitTestSuite

## NEO-73: `SkillProgressionClient` GET parse + failure signals.

const SkillProgressionClient := preload("res://scripts/skill_progression_client.gd")

var _progression_capture: Dictionary = {}


func _capture_progression(snapshot: Dictionary) -> void:
	_progression_capture = snapshot


class MockHttpTransport:
	extends Node
	signal request_completed(
		result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray
	)
	var last_url: String = ""
	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:
		last_url = url
		request_completed.emit(
			HTTPRequest.RESULT_SUCCESS,
			response_code,
			PackedStringArray(),
			body_json.to_utf8_buffer()
		)
		return OK


static func _trio_progression_json() -> String:
	return (
		'{"schemaVersion":1,"playerId":"dev-local-1","skills":['
		+ '{"id":"salvage","xp":10,"level":1},'
		+ '{"id":"refine","xp":0,"level":1},'
		+ '{"id":"intrusion","xp":0,"level":1}'
		+ "]}"
	)


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


func test_parse_progression_json_reads_salvage_row() -> void:
	# Arrange
	var json := _trio_progression_json()
	# Act
	var snapshot: Variant = SkillProgressionClient.parse_progression_json(json)
	# Assert
	assert_that(snapshot is Dictionary).is_true()
	var c: Node = SkillProgressionClient.new()
	auto_free(c)
	var row: Dictionary = c.call("skill_row", "salvage", snapshot as Dictionary)
	assert_that(int(row.get("xp", -1))).is_equal(10)
	assert_that(int(row.get("level", -1))).is_equal(1)


func test_request_sync_emits_progression_received() -> void:
	# Arrange
	_progression_capture = {}
	var transport := MockHttpTransport.new()
	transport.body_json = _trio_progression_json()
	var c := _make_client(transport)
	c.connect("progression_received", Callable(self, "_capture_progression"))
	monitor_signals(c)
	# Act
	c.call("request_sync_from_server")
	# Assert
	await assert_signal(c).is_emitted("progression_received", any())
	assert_that(_progression_capture.has("skills")).is_true()
	assert_that(transport.last_url).contains("/skill-progression")


func test_http_404_emits_progression_sync_failed() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.response_code = 404
	var c := _make_client(transport)
	monitor_signals(c)
	# Act
	c.call("request_sync_from_server")
	# Assert
	await assert_signal(c).is_emitted("progression_sync_failed", "HTTP 404 (player unknown)")