ArchRule

class NoAndroidInDomainRule : ArchRule {
    override val id = "no-android-in-domain"
    override val description = "Domain modules must not depend on Android libraries"
    override val defaultSeverity = Severity.ERROR
    override val plainLanguageExplanation =
        "The domain layer must stay platform-agnostic so it can be shared via KMP."

    override fun evaluate(graph: ModuleDependencyGraph): List<Violation> =
        graph.edges
            .filter { it.from.contains(":domain") }
            .filter { graph.moduleByPath(it.to)?.type == ModuleType.ANDROID_LIBRARY }
            .map { edge ->
                Violation(
                    ruleId = id,
                    severity = defaultSeverity,
                    message = "${edge.from} depends on Android module ${edge.to}.",
                    source = "${edge.from} → ${edge.to}",
                    moduleHint = edge.from,
                    plainLanguageExplanation = plainLanguageExplanation,
                )
            }
}