extends GdUnitTestSuite

## NEO-97: `PlayerCombatHealthClient` GET parse.

const PlayerCombatHealthClient := preload("res://scripts/player_combat_health_client.gd")


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 _health_json() -> String:
	return (
		'{"schemaVersion":1,"playerId":"dev-local-1","maxHp":100,'
		+ '"currentHp":75,"defeated":false}'
	)


func _make_client(transport: Node) -> Node:
	var c: Node = PlayerCombatHealthClient.new()
	c.set("injected_http", transport)
	c.set("dev_player_id", "dev-local-1")
	auto_free(transport)
	auto_free(c)
	add_child(c)
	return c


func test_request_sync_gets_combat_health_url() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _health_json()
	var c := _make_client(transport)
	# Act
	c.call("request_sync_from_server")
	# Assert
	assert_that(transport.last_url).contains("/game/players/dev-local-1/combat-health")


func test_health_received_emits_parsed_snapshot() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _health_json()
	var c := _make_client(transport)
	var got: Array = []
	c.connect("health_received", func(snapshot: Dictionary) -> void: got.append(snapshot))
	# Act
	c.call("request_sync_from_server")
	# Assert
	assert_that(got.size()).is_equal(1)
	var snapshot: Dictionary = got[0]
	assert_that(int(snapshot.get("currentHp", 0))).is_equal(75)
	assert_that(int(snapshot.get("maxHp", 0))).is_equal(100)
	assert_that(bool(snapshot.get("defeated", false))).is_false()


func test_parse_combat_health_json_rejects_missing_hp_fields() -> void:
	# Arrange
	var text := '{"schemaVersion":1,"playerId":"dev-local-1","defeated":false}'
	# Act
	var parsed: Variant = PlayerCombatHealthClient.parse_combat_health_json(text)
	# Assert
	assert_that(parsed).is_null()


func test_http_404_emits_sync_failed() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.response_code = 404
	transport.body_json = ""
	var c := _make_client(transport)
	var failed: Array = []
	c.connect("health_sync_failed", func(reason: String) -> void: failed.append(reason))
	# Act
	c.call("request_sync_from_server")
	# Assert
	assert_that(failed.size()).is_equal(1)
	assert_that(str(failed[0])).contains("404")