extends GdUnitTestSuite

## NEO-122: `QuestDefinitionsClient` GET parse + display names.

const QuestDefinitionsClient := preload("res://scripts/quest_definitions_client.gd")

var _quests_capture: Array = []


func _capture_quests(quests: Array) -> void:
	_quests_capture = quests


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 _four_quests_json() -> String:
	return (
		'{"schemaVersion":1,"quests":['
		+ '{"id":"prototype_quest_gather_intro","displayName":"Intro: Salvage Run",'
		+ '"prerequisiteQuestIds":[],"steps":[]},'
		+ '{"id":"prototype_quest_refine_intro","displayName":"Intro: Refine Stock",'
		+ '"prerequisiteQuestIds":["prototype_quest_gather_intro"],"steps":[]},'
		+ '{"id":"prototype_quest_combat_intro","displayName":"Intro: Clear the Pocket",'
		+ '"prerequisiteQuestIds":[],"steps":[]},'
		+ '{"id":"prototype_quest_operator_chain","displayName":"Operator Chain",'
		+ '"prerequisiteQuestIds":["prototype_quest_gather_intro",'
		+ '"prototype_quest_refine_intro","prototype_quest_combat_intro"],"steps":[]}'
		+ "]}"
	)


static func _grid_contract_quests_json() -> String:
	return (
		'{"schemaVersion":1,"quests":['
		+ '{"id":"prototype_quest_grid_contract","displayName":"Grid Contract",'
		+ '"prerequisiteQuestIds":["prototype_quest_operator_chain"],'
		+ '"factionGateRules":[{"factionId":"prototype_faction_grid_operators","minStanding":15}],'
		+ '"steps":[]}]}'
	)


func _make_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 test_parse_quests_json_reads_four_quests() -> void:
	# Arrange
	var json := _four_quests_json()
	# Act
	var quests: Variant = QuestDefinitionsClient.parse_quests_json(json)
	# Assert
	assert_that(quests is Array).is_true()
	assert_that((quests as Array).size()).is_equal(4)


func test_request_sync_emits_definitions_ready() -> void:
	# Arrange
	_quests_capture = []
	var transport := MockHttpTransport.new()
	transport.body_json = _four_quests_json()
	var c := _make_client(transport)
	c.connect("definitions_ready", Callable(self, "_capture_quests"))
	monitor_signals(c)
	# Act
	c.call("request_sync_from_server")
	# Assert
	assert_signal(c).is_emitted("definitions_ready", any())
	assert_that(_quests_capture.size()).is_equal(4)
	assert_that(transport.last_url).contains("/quest-definitions")


func test_display_name_for_returns_catalog_display_name() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _four_quests_json()
	var c := _make_client(transport)
	c.call("request_sync_from_server")
	await get_tree().process_frame
	# Act
	var name: String = str(c.call("display_name_for", "prototype_quest_gather_intro"))
	# Assert
	assert_that(name).is_equal("Intro: Salvage Run")


func test_display_name_for_falls_back_to_raw_id() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _four_quests_json()
	var c := _make_client(transport)
	c.call("request_sync_from_server")
	await get_tree().process_frame
	# Act
	var name: String = str(c.call("display_name_for", "unknown_quest_id"))
	# Assert
	assert_that(name).is_equal("unknown_quest_id")


func test_faction_gate_rules_for_returns_cached_gate_rows() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _grid_contract_quests_json()
	var c := _make_client(transport)
	c.call("request_sync_from_server")
	await get_tree().process_frame
	# Act
	var rules: Array = c.call("faction_gate_rules_for", "prototype_quest_grid_contract") as Array
	# Assert
	assert_that(rules.size()).is_equal(1)
	var rule: Dictionary = rules[0]
	assert_that(str(rule.get("factionId", ""))).is_equal("prototype_faction_grid_operators")
	assert_that(int(rule.get("minStanding", -1))).is_equal(15)


func test_faction_gate_rules_for_returns_empty_when_quest_missing() -> void:
	# Arrange
	var transport := MockHttpTransport.new()
	transport.body_json = _grid_contract_quests_json()
	var c := _make_client(transport)
	c.call("request_sync_from_server")
	await get_tree().process_frame
	# Act
	var rules: Array = c.call("faction_gate_rules_for", "prototype_quest_gather_intro") as Array
	# Assert
	assert_that(rules.is_empty()).is_true()