extends GutTest


func test_core_pack_owns_sorted_situation_intent_and_template_content() -> void:
	var catalog := ContentCatalog.create_core()
	assert_true(catalog.is_valid(), "%s" % [catalog.get_errors()])
	assert_eq(_situation_ids(catalog.get_situations()), [&"situation_pantry_shortage"])
	assert_eq(_intent_ids(catalog.get_dialogue_intents()), _sorted_ids(ConversationIntentIds.ALL))
	assert_eq(
		_template_catalog_ids(catalog.get_dialogue_template_catalogs()),
		[&"jajce_conversation_templates"]
	)

	var authored := catalog.get_situation(SituationSystem.DEFINITION_PANTRY_SHORTAGE)
	var compatibility_copy := SituationSystem.create_pantry_shortage_definition()
	assert_not_null(authored)
	assert_not_same(authored, compatibility_copy)
	assert_eq(authored.display_name, compatibility_copy.display_name)
	assert_eq(authored.priority, compatibility_copy.priority)
	assert_eq(authored.dialogue_intent_ids, compatibility_copy.dialogue_intent_ids)
	compatibility_copy.priority = -100
	assert_eq(authored.priority, 80, "Compatibility callers cannot mutate authored content")

	var legacy_catalog := (
		load("res://simulation/dialogue/resources/jajce_conversation_intents.tres")
		as ConversationIntentCatalog
	)
	assert_not_null(legacy_catalog)
	assert_true(legacy_catalog.rebuild().is_empty(), "%s" % [legacy_catalog.get_errors()])
	assert_eq(legacy_catalog.get_intent_ids(), _intent_ids(catalog.get_dialogue_intents()))
	var templates := catalog.get_dialogue_template_catalog(&"jajce_conversation_templates")
	assert_not_null(templates)
	assert_true(templates.validate(legacy_catalog.get_intent_ids()).is_empty())


func test_invalid_cross_references_fail_without_partial_publication() -> void:
	var core := load(ContentCatalog.CORE_PACK_PATH) as SimulationContentPack
	var addon := SimulationContentPack.new()
	addon.pack_id = &"broken_authored_content"
	addon.display_name = "Broken authored content"
	addon.required_pack_ids = [&"core"]

	var broken_situation := _broken_situation()
	assert_eq(broken_situation.alternatives.size(), 2)
	assert_eq(
		(
			broken_situation
			. validate()
			. filter(func(error: String) -> bool: return "alternative" in error.to_lower())
			. size()
		),
		3
	)
	addon.situations = [core.situations[0], broken_situation]
	var broken_intent := ConversationIntentDefinition.new()
	broken_intent.intent_id = &"broken_intent"
	broken_intent.response_intent_ids = [&"missing_response"]
	broken_intent.template_catalog_id = &"missing_template_catalog"
	addon.dialogue_intents = [core.dialogue_intents[0], broken_intent]
	var rogue_templates := ConversationTemplateCatalog.new()
	rogue_templates.catalog_id = &"rogue_templates"
	rogue_templates.line_templates = {"ghost_intent": ["Ghost line"]}
	rogue_templates.option_templates = {"ghost_intent": ["Ghost option"]}
	addon.dialogue_template_catalogs = [core.dialogue_template_catalogs[0], rogue_templates]

	var catalog := ContentCatalog.new()
	var packs: Array[SimulationContentPack] = [addon, core]
	var errors := catalog.rebuild(packs)
	for expected in [
		"Duplicate situation_definition_id 'situation_pantry_shortage'",
		"duplicate predicate 'shared_predicate' across trigger/resolution predicates",
		"unsupported event predicate 'unknown_predicate_handler'",
		"duplicate alternative 'duplicate_alternative'",
		"references unknown resolution predicate 'missing_predicate'",
		"references unknown dialogue intent 'missing_intent'",
		"Duplicate dialogue intent_id 'accept'",
		"references unknown response intent 'missing_response'",
		"references unknown template catalog 'missing_template_catalog'",
		"Duplicate dialogue template catalog_id 'jajce_conversation_templates'",
		"Unknown line template intent 'ghost_intent'",
		"Unknown option template intent 'ghost_intent'",
	]:
		assert_true(_has_error(errors, expected), "%s missing from %s" % [expected, errors])

	assert_false(catalog.is_valid())
	assert_true(catalog.get_situations().is_empty())
	assert_true(catalog.get_dialogue_intents().is_empty())
	assert_true(catalog.get_dialogue_template_catalogs().is_empty())
	assert_null(catalog.get_situation(&"broken_situation"))
	assert_null(catalog.get_dialogue_intent(&"broken_intent"))


func _broken_situation() -> SituationDefinition:
	var trigger := SituationPredicate.new()
	trigger.predicate_id = &"shared_predicate"
	trigger.evaluator_id = &"unknown_predicate_handler"
	trigger.source = String(SituationPredicate.SOURCE_EVENT)
	var resolution := SituationPredicate.new()
	resolution.predicate_id = &"shared_predicate"
	resolution.evaluator_id = &"event_type"
	resolution.source = String(SituationPredicate.SOURCE_EVENT)

	var first_alternative := SituationAlternativeDefinition.new()
	first_alternative.alternative_id = &"duplicate_alternative"
	first_alternative.display_name = "First alternative"
	first_alternative.resolution_predicate_ids = [&"missing_predicate"]
	var second_alternative := first_alternative.duplicate_alternative()

	var definition := SituationDefinition.new()
	definition.situation_definition_id = &"broken_situation"
	definition.display_name = "Broken situation"
	definition.trigger_predicates = [trigger]
	definition.resolution_predicates = [resolution]
	definition.dialogue_intent_ids = [&"missing_intent"]
	definition.alternatives = [first_alternative, second_alternative]
	return definition


func _situation_ids(definitions: Array[SituationDefinition]) -> Array[StringName]:
	var ids: Array[StringName] = []
	for definition in definitions:
		ids.append(definition.situation_definition_id)
	return ids


func _intent_ids(definitions: Array[ConversationIntentDefinition]) -> Array[StringName]:
	var ids: Array[StringName] = []
	for definition in definitions:
		ids.append(definition.intent_id)
	return ids


func _template_catalog_ids(
	definitions: Array[ConversationTemplateCatalog],
) -> Array[StringName]:
	var ids: Array[StringName] = []
	for definition in definitions:
		ids.append(definition.catalog_id)
	return ids


func _sorted_ids(source: Array[StringName]) -> Array[StringName]:
	var ids := source.duplicate()
	ids.sort_custom(
		func(left: StringName, right: StringName) -> bool: return String(left) < String(right)
	)
	return ids


func _has_error(errors: Array[String], fragment: String) -> bool:
	for error in errors:
		if fragment in error:
			return true
	return false