package dev.caskeleton.adapter.outbound.mongo.autoconfigure;

import org.junit.jupiter.api.Test;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.context.annotation.Configuration;

/** Analysis-only probe: how MongoPlatformSettings treats two out-of-contract inputs. */
class AnalysisPlatformSettingsBindingProbe {

  @Test
  void changeStreamsTrueIsAcceptedAndDiscarded() {
    new ApplicationContextRunner()
        .withUserConfiguration(PlatformSettingsOnly.class)
        .withPropertyValues("ca-skeleton.persistence-mongo.platform.change-streams=true")
        .run(
            context -> {
              Throwable failure = context.getStartupFailure();
              System.out.println("changeStreams.contextFailed=" + (failure != null));
              if (failure == null) {
                MongoPlatformSettings settings = context.getBean(MongoPlatformSettings.class);
                System.out.println("changeStreams.boundValue=" + settings.changeStreams());
                System.out.println("changeStreams.transactions=" + settings.transactions());
                System.out.println(
                    "changeStreams.requiredSecondaries=" + settings.requiredSecondaries());
              }
            });
  }

  @Test
  void transactionsTrueIsAcceptedAndKept() {
    new ApplicationContextRunner()
        .withUserConfiguration(PlatformSettingsOnly.class)
        .withPropertyValues("ca-skeleton.persistence-mongo.platform.transactions=true")
        .run(
            context -> {
              Throwable failure = context.getStartupFailure();
              System.out.println("transactions.contextFailed=" + (failure != null));
              if (failure == null) {
                System.out.println(
                    "transactions.boundValue="
                        + context.getBean(MongoPlatformSettings.class).transactions());
              }
            });
  }

  @Test
  void negativeRequiredSecondariesIsRefused() {
    new ApplicationContextRunner()
        .withUserConfiguration(PlatformSettingsOnly.class)
        .withPropertyValues("ca-skeleton.persistence-mongo.platform.required-secondaries=-1")
        .run(
            context -> {
              Throwable failure = context.getStartupFailure();
              System.out.println("negativeSecondaries.contextFailed=" + (failure != null));
              if (failure != null) {
                System.out.println(
                    "negativeSecondaries.failureType=" + rootCause(failure).getClass().getName());
              }
            });
  }

  private static Throwable rootCause(Throwable failure) {
    Throwable current = failure;
    while (current.getCause() != null) {
      current = current.getCause();
    }
    return current;
  }

  @Configuration(proxyBeanMethods = false)
  @EnableConfigurationProperties(MongoPlatformSettings.class)
  static class PlatformSettingsOnly {}
}