import type { Cloudly } from '../classes.cloudly.js';
import * as plugins from '../plugins.js';
import { Image } from '../manager.image/classes.image.js';
import { Service } from '../manager.service/classes.service.js';
import { SecretBundle } from '../manager.secret/classes.secretbundle.js';
import { PlatformBinding } from '../manager.platform/classes.platformbinding.js';
import { commitinfo } from '../00_commitinfo_data.js';

type IAppStoreApp = plugins.servezoneInterfaces.appstore.IAppStoreApp;
type IAppStoreIndex = plugins.servezoneInterfaces.appstore.IAppStoreIndex;
type IAppStoreAppMeta = plugins.servezoneInterfaces.appstore.IAppStoreAppMeta;
type IAppStoreVersionConfig = plugins.servezoneInterfaces.appstore.IAppStoreVersionConfig;
type IAppStoreInstallOptions = plugins.servezoneInterfaces.appstore.IAppStoreInstallRequest;
type IAppStorePublishedPort = plugins.servezoneInterfaces.appstore.IAppStorePublishedPort;
type IUpgradeableAppStoreService = Omit<plugins.servezoneInterfaces.appstore.IUpgradeableAppStoreService, 'serviceId'> & {
  serviceId: string;
};
type TExtendedServiceData = plugins.servezoneInterfaces.data.IService['data'] & {
  appTemplateId?: string;
  appTemplateVersion?: string;
  appStoreUpgradePolicy?: 'manual' | 'notify' | 'auto';
  publishedPorts?: IAppStoreVersionConfig['publishedPorts'];
};
type TAppStoreUpgradeStatus = 'running' | 'success' | 'failed';
type TAppStoreUpgradeStep =
  | 'queued'
  | 'validating'
  | 'migration'
  | 'applying'
  | 'updating-service'
  | 'pushing-config'
  | 'complete'
  | 'failed';
interface IAppStoreUpgradeChange {
  field: string;
  currentValue: string;
  targetValue: string;
}
interface IAppStoreUpgradePreview {
  serviceId: string;
  serviceName: string;
  appTemplateId: string;
  fromVersion: string;
  targetVersion: string;
  resolvedTargetVersion: string;
  hasMigration: boolean;
  requiresManualReview: boolean;
  changes: IAppStoreUpgradeChange[];
  warnings: string[];
  blockers: string[];
  config: IAppStoreVersionConfig;
  appMeta: IAppStoreAppMeta;
}
interface IAppStoreUpgradeOperation {
  id: string;
  serviceId: string;
  serviceName: string;
  appTemplateId: string;
  fromVersion: string;
  targetVersion: string;
  status: TAppStoreUpgradeStatus;
  step: TAppStoreUpgradeStep;
  progressLines: string[];
  warnings: string[];
  error?: string;
  startedAt: number;
  updatedAt: number;
  completedAt?: number;
  service?: plugins.servezoneInterfaces.data.IService;
}

export class CloudlyAppStoreManager {
  public typedrouter = new plugins.typedrequest.TypedRouter();
  private readonly appStoreResolver = new plugins.servezoneAppstore.AppStoreResolver({
    baseUrl: process.env.APPSTORE_URL || 'https://code.foss.global/serve.zone/appstore/raw/branch/main',
  });
  private readonly upgradeOperations = new Map<string, IAppStoreUpgradeOperation>();

  constructor(private cloudlyRef: Cloudly) {
    this.cloudlyRef.typedrouter.addTypedRouter(this.typedrouter);
    this.registerHandlers();
  }

  public async start() {}
  public async stop() {}

  private registerHandlers() {
    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.appstore.IReq_Any_GetAppStoreTemplates>(
        'getAppStoreTemplates',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          return { apps: await this.getApps() };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.appstore.IReq_Any_GetAppStoreConfig>(
        'getAppStoreConfig',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          return {
            config: await this.getAppVersionConfig(dataArg.appId, dataArg.version),
            appMeta: await this.getAppMeta(dataArg.appId),
          };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.appstore.IReq_Any_InstallAppStoreApp>(
        'installAppStoreApp',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          const service = await this.installApp(dataArg.install);
          return { service: await service.createSavableObject() };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<plugins.servezoneInterfaces.requests.appstore.IReq_Any_GetUpgradeableAppStoreServices>(
        'getUpgradeableAppStoreServices',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          return { services: await this.getUpgradeableAppStoreServices() };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<any>(
        'getAppStoreUpgradePreview',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          return {
            preview: await this.getAppStoreUpgradePreview(dataArg.serviceId, dataArg.targetVersion),
          };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<any>(
        'upgradeAppStoreService',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          const { service, warnings } = await this.applyUpgrade(dataArg.serviceId, dataArg.targetVersion);
          return {
            service: await service.createSavableObject(),
            warnings,
          };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<any>(
        'startAppStoreServiceUpgrade',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          const operation = await this.createUpgradeOperation(dataArg.serviceId, dataArg.targetVersion);
          void this.performUpgrade(operation.id).catch(() => {});
          return { operation };
        },
      ),
    );

    this.typedrouter.addTypedHandler(
      new plugins.typedrequest.TypedHandler<any>(
        'getAppStoreUpgradeOperations',
        async (dataArg) => {
          await this.passAdminIdentity(dataArg);
          return { operations: this.getUpgradeOperations() };
        },
      ),
    );
  }

  public async getAppStore(): Promise<IAppStoreIndex> {
    return await this.appStoreResolver.getAppStoreIndex();
  }

  public async getApps(): Promise<IAppStoreApp[]> {
    return await this.appStoreResolver.getApps();
  }

  public async getAppMeta(appIdArg: string): Promise<IAppStoreAppMeta> {
    return await this.appStoreResolver.getAppMeta(appIdArg);
  }

  public async getAppVersionConfig(appIdArg: string, versionArg?: string): Promise<IAppStoreVersionConfig> {
    if (!versionArg) {
      versionArg = (await this.getAppMeta(appIdArg)).latestVersion;
    }
    return await this.appStoreResolver.getAppVersionConfig(appIdArg, versionArg);
  }

  public async getUpgradeableAppStoreServices(): Promise<IUpgradeableAppStoreService[]> {
    const appStore = await this.getAppStore();
    const services = await this.cloudlyRef.serviceManager.CService.getInstances({});
    const upgradeableServices: IUpgradeableAppStoreService[] = [];

    for (const service of services) {
      const serviceData = service.data as TExtendedServiceData;
      if (!serviceData.appTemplateId || !serviceData.appTemplateVersion) {
        continue;
      }
      const appStoreApp = appStore.apps.find((appArg) => appArg.id === serviceData.appTemplateId);
      if (!appStoreApp || appStoreApp.latestVersion === serviceData.appTemplateVersion) {
        continue;
      }
      let hasMigration = false;
      try {
        hasMigration = await this.hasMigrationScript(
          serviceData.appTemplateId,
          serviceData.appTemplateVersion,
          appStoreApp.latestVersion,
        );
      } catch {
        hasMigration = true;
      }
      upgradeableServices.push({
        serviceId: service.id,
        serviceName: serviceData.name,
        appTemplateId: serviceData.appTemplateId,
        currentVersion: serviceData.appTemplateVersion,
        latestVersion: appStoreApp.latestVersion,
        hasMigration,
      });
    }

    return upgradeableServices;
  }

  public getUpgradeOperations(): IAppStoreUpgradeOperation[] {
    return Array.from(this.upgradeOperations.values())
      .sort((a, b) => b.startedAt - a.startedAt)
      .slice(0, 25);
  }

  public async getAppStoreUpgradePreview(
    serviceIdArg: string,
    targetVersionArg?: string,
  ): Promise<IAppStoreUpgradePreview> {
    const service = await Service.getInstance({ id: serviceIdArg });
    if (!service) {
      throw new plugins.typedrequest.TypedResponseError(`Service not found: ${serviceIdArg}`);
    }

    const serviceData = service.data as TExtendedServiceData;
    if (!serviceData.appTemplateId) {
      throw new plugins.typedrequest.TypedResponseError('Service was not deployed from an App Store app');
    }
    if (!serviceData.appTemplateVersion) {
      throw new plugins.typedrequest.TypedResponseError('Service has no tracked App Store version');
    }

    const appMeta = await this.getAppMeta(serviceData.appTemplateId);
    const targetVersion = targetVersionArg || appMeta.latestVersion;
    const config = await this.getAppVersionConfig(serviceData.appTemplateId, targetVersion);
    const resolvedTargetVersion = config.appStoreVersion || targetVersion;
    const blockers: string[] = [];
    const warnings: string[] = [];
    const changes: IAppStoreUpgradeChange[] = [];
    let hasMigration = false;
    try {
      hasMigration = await this.hasMigrationScript(
        serviceData.appTemplateId,
        serviceData.appTemplateVersion,
        resolvedTargetVersion,
      );
    } catch (error) {
      blockers.push((error as Error).message);
    }
    const requiresManualReview = Boolean(
      config.requiresManualReview || config.breaking || config.migrationRequired || hasMigration,
    );

    try {
      this.assertRuntimeCompatibility(config);
    } catch (error) {
      blockers.push((error as Error).message);
    }

    const unsupportedPlatformRequirements = this.getUnsupportedPlatformRequirements(config);
    if (unsupportedPlatformRequirements.length > 0) {
      blockers.push(
        `Cloudly App Store install does not yet support platform requirement(s): ${unsupportedPlatformRequirements.join(', ')}`,
      );
    }

    if (config.migrationRequired) {
      blockers.push('This upgrade declares migrationRequired and needs a Cloudly migration implementation before it can be applied.');
    } else if (hasMigration) {
      blockers.push('A migration script exists for this upgrade. Cloudly migration execution must be implemented before applying it.');
    }
    if (config.breaking) {
      warnings.push('This App Store version is marked as breaking.');
    }
    if (config.requiresManualReview) {
      warnings.push('This App Store version requires manual review.');
    }
    if (config.backupBeforeUpgrade) {
      warnings.push('The template recommends taking a backup before upgrading.');
    }

    const nextEnvVars = this.getMergedUpgradeEnvVars(serviceData, config, blockers);
    const serviceDomain = serviceData.domains?.[0]?.name;
    if (this.requiresTemplateValue(nextEnvVars, 'SERVICE_DOMAIN') && !serviceDomain) {
      blockers.push('A domain is required because the target app template uses ${SERVICE_DOMAIN}');
    }
    this.applyServiceDomainEnv(nextEnvVars, serviceDomain);
    const nextVolumes = this.mergeUpgradeVolumes(serviceData.volumes || [], config.volumes);
    const nextPublishedPorts = this.mergeUpgradePublishedPorts(serviceData.publishedPorts || [], config.publishedPorts || []);
    const unsupportedPublishedPorts = this.getUnsupportedPublishedPorts(nextPublishedPorts);
    if (unsupportedPublishedPorts.length > 0) {
      blockers.push(`Cloudly cannot apply published port setting(s): ${unsupportedPublishedPorts.join(', ')}`);
    }
    const currentImageRef = await this.getServiceImageReference(service);
    this.pushChange(changes, 'image', currentImageRef, config.image);
    this.pushChange(changes, 'appTemplateVersion', serviceData.appTemplateVersion, resolvedTargetVersion);
    this.pushChange(changes, 'webPort', String(serviceData.ports?.web || ''), String(config.port));
    this.pushChange(
      changes,
      'environment',
      this.stableStringify(serviceData.environment || {}),
      this.stableStringify(nextEnvVars),
    );
    this.pushChange(
      changes,
      'volumes',
      this.stableStringify(serviceData.volumes || []),
      this.stableStringify(nextVolumes),
    );
    this.pushChange(
      changes,
      'publishedPorts',
      this.stableStringify(serviceData.publishedPorts || []),
      this.stableStringify(nextPublishedPorts),
    );
    this.pushChange(
      changes,
      'platformRequirements',
      this.stableStringify(await this.getServicePlatformRequirements(service.id)),
      this.stableStringify(config.platformRequirements || {}),
    );

    return {
      serviceId: service.id,
      serviceName: serviceData.name,
      appTemplateId: serviceData.appTemplateId,
      fromVersion: serviceData.appTemplateVersion,
      targetVersion,
      resolvedTargetVersion,
      hasMigration,
      requiresManualReview,
      changes,
      warnings,
      blockers,
      config,
      appMeta,
    };
  }

  public async applyUpgrade(serviceIdArg: string, targetVersionArg: string): Promise<{
    service: Service;
    warnings: string[];
  }> {
    const preview = await this.getAppStoreUpgradePreview(serviceIdArg, targetVersionArg);
    if (preview.blockers.length > 0) {
      throw new plugins.typedrequest.TypedResponseError(preview.blockers.join('; '));
    }

    const service = await Service.getInstance({ id: serviceIdArg });
    const serviceData = service.data as TExtendedServiceData;
    const envVars = this.getMergedUpgradeEnvVars(serviceData, preview.config, []);
    const oldWebPort = serviceData.ports?.web;
    const image = await this.upsertAppStoreImageForService(
      service,
      preview.config.image,
      preview.appMeta.description,
      preview.config.resolvedImageDigest,
    );
    const webPort = preview.config.port;
    const nextDomains = (serviceData.domains || []).map((domainArg) => ({
      ...domainArg,
      port: !domainArg.port || domainArg.port === oldWebPort ? webPort : domainArg.port,
    }));
    this.applyServiceDomainEnv(envVars, nextDomains[0]?.name);
    const nextVolumes = this.mergeUpgradeVolumes(serviceData.volumes || [], preview.config.volumes);
    const nextPublishedPorts = this.mergeUpgradePublishedPorts(serviceData.publishedPorts || [], preview.config.publishedPorts || []);

    service.data = {
      ...serviceData,
      description: serviceData.description || preview.appMeta.description,
      imageId: image.id,
      imageVersion: this.getImageTag(preview.config.image),
      appTemplateId: preview.appTemplateId,
      appTemplateVersion: preview.resolvedTargetVersion,
      environment: envVars,
      ports: {
        ...serviceData.ports,
        web: webPort,
      },
      volumes: nextVolumes,
      publishedPorts: nextPublishedPorts,
      domains: nextDomains,
    } as plugins.servezoneInterfaces.data.IService['data'];
    await service.save();
    await this.reconcilePlatformBindings(service, preview.config);
    await this.cloudlyRef.coreflowManager.pushClusterConfigToConnectedCoreflows();
    return {
      service,
      warnings: preview.warnings,
    };
  }

  private async createUpgradeOperation(
    serviceIdArg: string,
    targetVersionArg: string,
  ): Promise<IAppStoreUpgradeOperation> {
    const existingRunning = this.getRunningUpgrade(serviceIdArg);
    if (existingRunning) {
      throw new plugins.typedrequest.TypedResponseError(
        `An upgrade is already running for ${existingRunning.serviceName}`,
      );
    }

    const preview = await this.getAppStoreUpgradePreview(serviceIdArg, targetVersionArg);
    if (preview.blockers.length > 0) {
      throw new plugins.typedrequest.TypedResponseError(preview.blockers.join('; '));
    }
    const now = Date.now();
    const operation: IAppStoreUpgradeOperation = {
      id: plugins.smartunique.shortId(12),
      serviceId: preview.serviceId,
      serviceName: preview.serviceName,
      appTemplateId: preview.appTemplateId,
      fromVersion: preview.fromVersion,
      targetVersion: preview.resolvedTargetVersion,
      status: 'running',
      step: 'queued',
      progressLines: [`Queued upgrade ${preview.fromVersion} -> ${preview.resolvedTargetVersion}`],
      warnings: preview.warnings,
      startedAt: now,
      updatedAt: now,
    };
    this.upgradeOperations.set(operation.id, operation);
    await this.pushUpgradeProgress(operation);
    return operation;
  }

  private getRunningUpgrade(serviceIdArg: string): IAppStoreUpgradeOperation | null {
    for (const operation of this.upgradeOperations.values()) {
      if (operation.serviceId === serviceIdArg && operation.status === 'running') {
        return operation;
      }
    }
    return null;
  }

  private async updateUpgradeOperation(
    operationIdArg: string,
    stepArg: TAppStoreUpgradeStep,
    messageArg: string,
    updatesArg: Partial<IAppStoreUpgradeOperation> = {},
  ): Promise<IAppStoreUpgradeOperation> {
    const existing = this.upgradeOperations.get(operationIdArg);
    if (!existing) {
      throw new Error(`Upgrade operation not found: ${operationIdArg}`);
    }
    const operation: IAppStoreUpgradeOperation = {
      ...existing,
      ...updatesArg,
      step: stepArg,
      updatedAt: Date.now(),
      progressLines: [...existing.progressLines, messageArg].slice(-200),
    };
    this.upgradeOperations.set(operationIdArg, operation);
    await this.pushUpgradeProgress(operation);
    return operation;
  }

  private async performUpgrade(operationIdArg: string): Promise<Service> {
    let operation = this.upgradeOperations.get(operationIdArg);
    if (!operation) {
      throw new Error(`Upgrade operation not found: ${operationIdArg}`);
    }

    try {
      operation = await this.updateUpgradeOperation(
        operation.id,
        'validating',
        `Validating ${operation.serviceName} for App Store upgrade`,
      );
      const preview = await this.getAppStoreUpgradePreview(operation.serviceId, operation.targetVersion);
      if (preview.blockers.length > 0) {
        throw new Error(preview.blockers.join('; '));
      }

      await this.updateUpgradeOperation(
        operation.id,
        'migration',
        preview.hasMigration ? 'Migration script detected; applying config-only upgrade' : 'No migration script detected',
        { warnings: preview.warnings },
      );
      await this.updateUpgradeOperation(operation.id, 'applying', `Applying upgrade to ${operation.serviceName}`);
      const { service, warnings } = await this.applyUpgrade(operation.serviceId, operation.targetVersion);
      await this.updateUpgradeOperation(
        operation.id,
        'complete',
        `Upgrade completed for ${operation.serviceName}`,
        {
          status: 'success',
          completedAt: Date.now(),
          warnings,
          service: await service.createSavableObject(),
        },
      );
      return service;
    } catch (error) {
      await this.updateUpgradeOperation(
        operation.id,
        'failed',
        `Upgrade failed: ${(error as Error).message}`,
        {
          status: 'failed',
          completedAt: Date.now(),
          error: (error as Error).message,
        },
      );
      throw error;
    }
  }

  public async installApp(optionsArg: IAppStoreInstallOptions): Promise<Service> {
    const appMeta = await this.getAppMeta(optionsArg.appId);
    const version = optionsArg.version || appMeta.latestVersion;
    const config = await this.getAppVersionConfig(optionsArg.appId, version);
    const appStoreVersion = config.appStoreVersion || version;
    const webPort = optionsArg.port || config.port;
    const publishedPorts = optionsArg.publishedPorts || config.publishedPorts || [];
    this.assertRuntimeCompatibility(config);
    this.assertSupportedPlatformRequirements(config);
    this.assertSupportedPublishedPorts(publishedPorts);
    const envVars = this.getAppStoreEnvVars(config, optionsArg.envVars || {});
    if (this.requiresTemplateValue(envVars, 'SERVICE_DOMAIN') && !optionsArg.domain) {
      throw new Error('A domain is required because the app template uses ${SERVICE_DOMAIN}');
    }
    this.applyServiceDomainEnv(envVars, optionsArg.domain);

    const image = await this.createAppStoreImage(
      optionsArg.serviceName,
      config.image,
      appMeta.description,
      config.resolvedImageDigest,
    );
    const secretBundle = await this.createServiceSecretBundle(optionsArg.serviceName, image.id);
    const serviceData = {
      name: optionsArg.serviceName,
      description: appMeta.description,
      imageId: image.id,
      imageVersion: this.getImageTag(config.image),
      deployOnPush: false,
      appTemplateId: optionsArg.appId,
      appTemplateVersion: appStoreVersion,
      appStoreUpgradePolicy: 'manual',
      environment: envVars,
      secretBundleId: secretBundle.id,
      additionalSecretBundleIds: [],
      serviceCategory: 'workload',
      deploymentStrategy: 'limited-replicas',
      maxReplicas: 1,
      antiAffinity: false,
      scaleFactor: 1,
      balancingStrategy: 'round-robin',
      ports: { web: webPort },
      volumes: this.normalizeVolumes(config.volumes),
      publishedPorts,
      domains: optionsArg.domain ? [{ name: optionsArg.domain, port: webPort, protocol: 'https' }] : [],
      deploymentIds: [],
    } as TExtendedServiceData;
    const service = await Service.createService(serviceData);
    secretBundle.data.serviceId = service.id;
    await secretBundle.save();
    await this.reconcilePlatformBindings(service, config);
    await this.cloudlyRef.coreflowManager.pushClusterConfigToConnectedCoreflows();
    return service;
  }

  private async createAppStoreImage(
    serviceNameArg: string,
    imageRefArg: string,
    descriptionArg: string,
    digestArg?: string,
  ): Promise<Image> {
    const image = new Image();
    image.id = await Image.getNewId();
    image.data = {
      name: `${serviceNameArg}-appstore-image`,
      description: descriptionArg,
      location: {
        internal: false,
        externalRegistryId: '',
        externalImageTag: imageRefArg,
        externalImageRef: imageRefArg,
      },
      versions: [{
        versionString: this.getImageTag(imageRefArg),
        digest: digestArg,
        source: 'registry',
        registryRepository: imageRefArg,
        registryTag: this.getImageTag(imageRefArg),
        size: 0,
        createdAt: Date.now(),
      }],
    };
    await image.save();
    return image;
  }

  private async upsertAppStoreImageForService(
    serviceArg: Service,
    imageRefArg: string,
    descriptionArg: string,
    digestArg?: string,
  ): Promise<Image> {
    let image: Image | undefined;
    try {
      image = await Image.getInstance({ id: serviceArg.data.imageId });
    } catch {}
    if (!image) {
      return await this.createAppStoreImage(serviceArg.data.name, imageRefArg, descriptionArg, digestArg);
    }

    const imageTag = this.getImageTag(imageRefArg);
    image.data = {
      ...image.data,
      description: image.data.description || descriptionArg,
      location: {
        internal: false,
        externalRegistryId: '',
        externalImageTag: imageRefArg,
        externalImageRef: imageRefArg,
      },
      versions: this.upsertImageVersion(image.data.versions || [], imageRefArg, imageTag, digestArg),
    };
    await image.save();
    return image;
  }

  private upsertImageVersion(
    versionsArg: plugins.servezoneInterfaces.data.IImage['data']['versions'],
    imageRefArg: string,
    imageTagArg: string,
    digestArg?: string,
  ): plugins.servezoneInterfaces.data.IImage['data']['versions'] {
    const nextVersions = [...versionsArg];
    const existingIndex = nextVersions.findIndex((versionArg) => versionArg.versionString === imageTagArg);
    const versionData = {
      versionString: imageTagArg,
      digest: digestArg,
      source: 'registry' as const,
      registryRepository: imageRefArg,
      registryTag: imageTagArg,
      size: 0,
      createdAt: Date.now(),
    };
    if (existingIndex >= 0) {
      nextVersions[existingIndex] = {
        ...nextVersions[existingIndex],
        ...versionData,
        createdAt: nextVersions[existingIndex].createdAt || versionData.createdAt,
      };
    } else {
      nextVersions.push(versionData);
    }
    return nextVersions;
  }

  private async createServiceSecretBundle(serviceNameArg: string, imageIdArg: string): Promise<SecretBundle> {
    const secretBundle = new SecretBundle();
    secretBundle.id = plugins.smartunique.shortId(8);
    secretBundle.data = {
      name: `${serviceNameArg} appstore secrets`,
      description: `Generated appstore secret bundle for ${serviceNameArg}`,
      type: 'service',
      includedSecretGroupIds: [],
      includedTags: [],
      imageClaims: [{ imageId: imageIdArg, permissions: ['read'] }],
      authorizations: [],
    };
    await secretBundle.save();
    return secretBundle;
  }

  private async reconcilePlatformBindings(serviceArg: Service, configArg: IAppStoreVersionConfig) {
    const requirements = configArg.platformRequirements || {};
    await this.setPlatformBindingForCapability(serviceArg.id, 'database', Boolean(requirements.mongodb));
    await this.setPlatformBindingForCapability(serviceArg.id, 'objectstorage', Boolean(requirements.s3));
  }

  private async setPlatformBindingForCapability(
    serviceIdArg: string,
    capabilityArg: 'database' | 'objectstorage',
    enabledArg: boolean,
  ) {
    let existingBinding: PlatformBinding | undefined;
    try {
      existingBinding = await PlatformBinding.getInstance({
        serviceId: serviceIdArg,
        capability: capabilityArg,
      });
    } catch {}

    if (!enabledArg && !existingBinding) {
      return;
    }

    if (!enabledArg) {
      const bindingToDisable = existingBinding!;
      await PlatformBinding.upsertBinding({
        id: bindingToDisable.id,
        serviceId: serviceIdArg,
        capability: capabilityArg,
        desiredState: 'disabled',
        status: 'disabled',
        providerConfigId: bindingToDisable.providerConfigId,
        config: bindingToDisable.config,
        endpoints: bindingToDisable.endpoints,
        credentials: bindingToDisable.credentials,
        createdAt: bindingToDisable.createdAt,
      });
      return;
    }

    await this.upsertPlatformBindingForCapability(serviceIdArg, capabilityArg);
  }

  private async upsertPlatformBindingForCapability(
    serviceIdArg: string,
    capabilityArg: 'database' | 'objectstorage',
  ) {
    let existingBinding: PlatformBinding | undefined;
    try {
      existingBinding = await PlatformBinding.getInstance({
        serviceId: serviceIdArg,
        capability: capabilityArg,
      });
    } catch {}
    await PlatformBinding.upsertBinding({
      id: existingBinding?.id || await PlatformBinding.getNewId(),
      serviceId: serviceIdArg,
      capability: capabilityArg,
      desiredState: 'enabled',
      status: existingBinding?.desiredState === 'disabled' ? 'requested' : existingBinding?.status || 'requested',
      providerConfigId: existingBinding?.providerConfigId,
      config: existingBinding?.config,
      endpoints: existingBinding?.endpoints,
      credentials: existingBinding?.credentials,
      createdAt: existingBinding?.createdAt,
    });
  }

  private normalizeVolumes(volumesArg: IAppStoreVersionConfig['volumes'] = []) {
    return volumesArg.map((volumeArg) => {
      if (typeof volumeArg === 'string') {
        return { mountPath: volumeArg };
      }
      return volumeArg;
    }).filter((volumeArg) => Boolean(volumeArg.mountPath));
  }

  private mergeUpgradeVolumes(
    currentVolumesArg: TExtendedServiceData['volumes'] = [],
    templateVolumesArg: IAppStoreVersionConfig['volumes'] = [],
  ) {
    const templateVolumes = this.normalizeVolumes(templateVolumesArg);
    const currentVolumes = currentVolumesArg || [];
    const currentByMountPath = new Map(currentVolumes
      .filter((volumeArg) => Boolean(volumeArg.mountPath))
      .map((volumeArg) => [volumeArg.mountPath, volumeArg]));
    const usedMountPaths = new Set<string>();
    const mergedVolumes = templateVolumes.map((templateVolumeArg) => {
      const currentVolume = currentByMountPath.get(templateVolumeArg.mountPath);
      usedMountPaths.add(templateVolumeArg.mountPath);
      return {
        ...templateVolumeArg,
        ...currentVolume,
      };
    });
    for (const currentVolume of currentVolumes) {
      if (!usedMountPaths.has(currentVolume.mountPath)) {
        mergedVolumes.push(currentVolume);
      }
    }
    return mergedVolumes;
  }

  private normalizePublishedPorts(publishedPortsArg: IAppStorePublishedPort[] = []): IAppStorePublishedPort[] {
    return publishedPortsArg.map((portArg) => ({
      ...portArg,
      protocol: portArg.protocol || 'tcp',
    }));
  }

  private getPublishedPortTemplateKey(portArg: IAppStorePublishedPort): string {
    return [
      portArg.protocol || 'tcp',
      portArg.targetPort,
      portArg.targetPortEnd || portArg.targetPort,
    ].join(':');
  }

  private mergeUpgradePublishedPorts(
    currentPortsArg: IAppStorePublishedPort[] = [],
    templatePortsArg: IAppStorePublishedPort[] = [],
  ): IAppStorePublishedPort[] {
    const templatePorts = this.normalizePublishedPorts(templatePortsArg);
    const currentPorts = this.normalizePublishedPorts(currentPortsArg);
    if (templatePorts.length === 0) {
      return currentPorts;
    }

    const currentByTemplateKey = new Map(currentPorts.map((portArg) => [this.getPublishedPortTemplateKey(portArg), portArg]));
    const usedKeys = new Set<string>();
    const mergedPorts = templatePorts.map((templatePortArg) => {
      const key = this.getPublishedPortTemplateKey(templatePortArg);
      const currentPort = currentByTemplateKey.get(key);
      usedKeys.add(key);
      return {
        ...templatePortArg,
        ...currentPort,
      };
    });

    for (const currentPort of currentPorts) {
      const key = this.getPublishedPortTemplateKey(currentPort);
      if (!usedKeys.has(key)) {
        mergedPorts.push(currentPort);
      }
    }
    return mergedPorts;
  }

  private getAppStoreEnvVars(configArg: IAppStoreVersionConfig, overridesArg: Record<string, string>): Record<string, string> {
    const envVars: Record<string, string> = {};
    const missingRequiredEnvVars: string[] = [];
    for (const envVar of configArg.envVars || []) {
      const value = overridesArg[envVar.key] ?? envVar.value ?? '';
      if (envVar.required && !value) {
        missingRequiredEnvVars.push(envVar.key);
      }
      envVars[envVar.key] = value;
    }
    Object.assign(envVars, overridesArg);
    if (missingRequiredEnvVars.length > 0) {
      throw new Error(`Missing required app env var(s): ${missingRequiredEnvVars.join(', ')}`);
    }
    return envVars;
  }

  private requiresTemplateValue(envVarsArg: Record<string, string>, templateNameArg: string): boolean {
    return Object.values(envVarsArg).some((value) => value.includes(`\${${templateNameArg}}`));
  }

  private applyServiceDomainEnv(envVarsArg: Record<string, string>, serviceDomainArg?: string) {
    if (serviceDomainArg && this.requiresTemplateValue(envVarsArg, 'SERVICE_DOMAIN')) {
      envVarsArg.SERVICE_DOMAIN = serviceDomainArg;
    }
  }

  private assertSupportedPlatformRequirements(configArg: IAppStoreVersionConfig) {
    const unsupported = this.getUnsupportedPlatformRequirements(configArg);
    if (unsupported.length > 0) {
      throw new Error(`Cloudly App Store install does not yet support platform requirement(s): ${unsupported.join(', ')}`);
    }
  }

  private getUnsupportedPlatformRequirements(configArg: IAppStoreVersionConfig) {
    return Object.entries(configArg.platformRequirements || {})
      .filter(([key, enabled]) => enabled && key !== 'mongodb' && key !== 's3')
      .map(([key]) => key);
  }

  private assertSupportedPublishedPorts(publishedPortsArg: IAppStoreVersionConfig['publishedPorts'] = []) {
    const unsupported = this.getUnsupportedPublishedPorts(publishedPortsArg);
    if (unsupported.length > 0) {
      throw new Error(`Cloudly cannot apply published port setting(s): ${unsupported.join(', ')}`);
    }
  }

  private getUnsupportedPublishedPorts(publishedPortsArg: IAppStoreVersionConfig['publishedPorts'] = []) {
    const unsupported: string[] = [];
    const seenPublishedPorts = new Set<string>();
    for (const portArg of publishedPortsArg) {
      const protocol = portArg.protocol || 'tcp';
      const targetStart = portArg.targetPort;
      const targetEnd = portArg.targetPortEnd || targetStart;
      const publishedStart = portArg.publishedPort || targetStart;
      const publishedEnd = portArg.publishedPortEnd || (publishedStart + (targetEnd - targetStart));
      const description = this.formatPublishedPortDescription(portArg);

      if (portArg.hostIp && portArg.hostIp !== '0.0.0.0') {
        unsupported.push(`${description} uses unsupported hostIp ${portArg.hostIp}`);
      }
      for (const [label, value] of Object.entries({ targetStart, targetEnd, publishedStart, publishedEnd })) {
        if (!Number.isInteger(value) || value < 1 || value > 65535) {
          unsupported.push(`${description} has invalid ${label} ${value}`);
        }
      }
      if (targetEnd < targetStart) {
        unsupported.push(`${description} has targetPortEnd before targetPort`);
      }
      if (publishedEnd < publishedStart) {
        unsupported.push(`${description} has publishedPortEnd before publishedPort`);
      }
      if ((targetEnd - targetStart) !== (publishedEnd - publishedStart)) {
        unsupported.push(`${description} has mismatched target and published port ranges`);
      }
      if (targetEnd >= targetStart && publishedEnd >= publishedStart && (targetEnd - targetStart) === (publishedEnd - publishedStart)) {
        for (let offset = 0; offset <= targetEnd - targetStart; offset++) {
          const publishedKey = `${protocol}:${publishedStart + offset}`;
          if (seenPublishedPorts.has(publishedKey)) {
            unsupported.push(`${description} duplicates published port ${publishedStart + offset}/${protocol}`);
          }
          seenPublishedPorts.add(publishedKey);
        }
      }
    }
    return unsupported;
  }

  private formatPublishedPortDescription(portArg: IAppStorePublishedPort) {
    const protocol = portArg.protocol || 'tcp';
    const target = portArg.targetPortEnd ? `${portArg.targetPort}-${portArg.targetPortEnd}` : String(portArg.targetPort);
    const publishedStart = portArg.publishedPort || portArg.targetPort;
    const publishedEnd = portArg.publishedPortEnd || (portArg.targetPortEnd ? publishedStart + (portArg.targetPortEnd - portArg.targetPort) : undefined);
    const published = publishedEnd ? `${publishedStart}-${publishedEnd}` : String(publishedStart);
    return `${published}/${protocol} -> ${target}/${protocol}`;
  }

  private assertRuntimeCompatibility(configArg: IAppStoreVersionConfig) {
    if (configArg.minCloudlyVersion && this.compareVersions(commitinfo.version, configArg.minCloudlyVersion) < 0) {
      throw new Error(`App requires Cloudly >= ${configArg.minCloudlyVersion}; current version is ${commitinfo.version}`);
    }
  }

  private compareVersions(versionAArg: string, versionBArg: string): number {
    const normalize = (versionArg: string) => versionArg.replace(/^v/, '').split('.').map((partArg) => Number(partArg) || 0);
    const versionA = normalize(versionAArg);
    const versionB = normalize(versionBArg);
    for (let i = 0; i < Math.max(versionA.length, versionB.length); i++) {
      const diff = (versionA[i] || 0) - (versionB[i] || 0);
      if (diff !== 0) {
        return diff > 0 ? 1 : -1;
      }
    }
    return 0;
  }

  private async hasMigrationScript(appIdArg: string, fromVersionArg: string, toVersionArg: string): Promise<boolean> {
    const path = `apps/${appIdArg}/versions/${toVersionArg}/migrate-from-${fromVersionArg}.ts`;
    const baseUrl = this.appStoreResolver.baseUrl.replace(/\/+$/, '');
    const response = await fetch(`${baseUrl}/${path}`);
    if (response.status === 404) {
      return false;
    }
    if (!response.ok) {
      throw new Error(`Could not check App Store migration script: HTTP ${response.status} for ${path}`);
    }
    return true;
  }

  private getMergedUpgradeEnvVars(
    serviceDataArg: TExtendedServiceData,
    configArg: IAppStoreVersionConfig,
    blockersArg: string[],
  ): Record<string, string> {
    const envVars: Record<string, string> = {
      ...(serviceDataArg.environment || {}),
    };
    for (const envVar of configArg.envVars || []) {
      const value = envVars[envVar.key] ?? envVar.value ?? '';
      if (envVar.required && !value) {
        blockersArg.push(`Missing required app env var: ${envVar.key}`);
      }
      envVars[envVar.key] = value;
    }
    return envVars;
  }

  private async getServiceImageReference(serviceArg: Service): Promise<string> {
    try {
      const image = await Image.getInstance({ id: serviceArg.data.imageId });
      return image?.data.location?.externalImageRef || image?.data.location?.externalImageTag || `${serviceArg.data.imageId}:${serviceArg.data.imageVersion}`;
    } catch {
      return `${serviceArg.data.imageId}:${serviceArg.data.imageVersion}`;
    }
  }

  private async getServicePlatformRequirements(serviceIdArg: string) {
    const bindings = await PlatformBinding.getInstances({ serviceId: serviceIdArg });
    return {
      mongodb: bindings.some((bindingArg) => bindingArg.capability === 'database' && bindingArg.desiredState !== 'disabled'),
      s3: bindings.some((bindingArg) => bindingArg.capability === 'objectstorage' && bindingArg.desiredState !== 'disabled'),
    };
  }

  private pushChange(
    changesArg: IAppStoreUpgradeChange[],
    fieldArg: string,
    currentValueArg: string,
    targetValueArg: string,
  ) {
    if (currentValueArg === targetValueArg) {
      return;
    }
    changesArg.push({
      field: fieldArg,
      currentValue: currentValueArg,
      targetValue: targetValueArg,
    });
  }

  private stableStringify(valueArg: unknown): string {
    if (Array.isArray(valueArg)) {
      return `[${valueArg.map((itemArg) => this.stableStringify(itemArg)).join(',')}]`;
    }
    if (valueArg && typeof valueArg === 'object') {
      return `{${Object.keys(valueArg as Record<string, unknown>)
        .sort()
        .map((keyArg) => `${JSON.stringify(keyArg)}:${this.stableStringify((valueArg as Record<string, unknown>)[keyArg])}`)
        .join(',')}}`;
    }
    return JSON.stringify(valueArg);
  }

  private async pushUpgradeProgress(operationArg: IAppStoreUpgradeOperation): Promise<void> {
    const typedsocket = this.cloudlyRef.server.typedServer?.typedsocket;
    if (!typedsocket) {
      return;
    }
    const connections = await typedsocket.findAllTargetConnections(async (connectionArg) => {
      const identityTag = await connectionArg.getTagById('identity');
      const identity = identityTag?.payload as plugins.servezoneInterfaces.data.IIdentity | undefined;
      return identity?.role === 'admin';
    });
    await Promise.allSettled(
      connections.map((connectionArg) => typedsocket
        .createTypedRequest<any>('pushAppStoreUpgradeProgress', connectionArg)
        .fire({ operation: operationArg })),
    );
  }

  private getImageTag(imageRefArg: string) {
    const lastSlashIndex = imageRefArg.lastIndexOf('/');
    const lastColonIndex = imageRefArg.lastIndexOf(':');
    return lastColonIndex > lastSlashIndex ? imageRefArg.slice(lastColonIndex + 1) || 'latest' : 'latest';
  }

  private async passAdminIdentity(dataArg: { identity: plugins.servezoneInterfaces.data.IIdentity }) {
    await plugins.smartguard.passGuardsOrReject(dataArg, [
      this.cloudlyRef.authManager.adminIdentityGuard,
    ]);
  }
}