import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';

import { TypeOrmQueryService } from '@ptc-org/nestjs-query-typeorm';
import { Repository } from 'typeorm';

import { WorkspaceMetadataCacheService } from 'src/engine/metadata-modules/workspace-metadata-cache/services/workspace-metadata-cache.service';
import { WorkspaceMigrationBuilderV2Service } from 'src/engine/workspace-manager/workspace-migration-v2/workspace-migration-builder-v2/workspace-migration-builder-v2.service';
import { WorkspaceMigrationRunnerV2Service } from 'src/engine/workspace-manager/workspace-migration-v2/workspace-migration-runner-v2/workspace-migration-runner-v2.service';

import { ObjectMetadataEntity } from './object-metadata.entity';

@Injectable()
export class ObjectMetadataServiceV2 extends TypeOrmQueryService<ObjectMetadataEntity> {
  constructor(
    @InjectRepository(ObjectMetadataEntity, 'core')
    private readonly objectMetadataRepository: Repository<ObjectMetadataEntity>,
    private readonly workspaceMetadataCacheService: WorkspaceMetadataCacheService,
    private readonly workspaceMigrationBuilderV2: WorkspaceMigrationBuilderV2Service,
    private readonly workspaceMigrationRunnerV2Service: WorkspaceMigrationRunnerV2Service,
  ) {
    super(objectMetadataRepository);
  }

  // override async createOne(
  //   objectMetadataInput: CreateObjectInput,
  // ): Promise<ObjectMetadataEntity> {
  //   const { flatObjectMetadataMaps } =
  //     await this.workspaceMetadataCacheService.getExistingOrRecomputeFlatObjectMetadataMaps(
  //       {
  //         workspaceId: objectMetadataInput.workspaceId,
  //       },
  //     );

  //   const createdRawFlatObjectMetadata =
  //     fromCreateObjectInputToFlatObjectMetadata(objectMetadataInput);
  //   const existingFlatObjectMetadatas: FlatObjectMetadataMaps = {
  //     byId: {},
  //     idByNameSingular: {},
  //   };
  //   // @ts-expect-error TODO implement validateFlatObjectMetadata
  //   const createdFlatObjectMetadata = validateFlatObjectMetadata({
  //     existing:
  //       // Here we assume that EVERYTHING is in cache and up to date, this is very critical, also race condition prone :thinking:
  //       fromFlatObjectMetadataMapsToFlatObjectMetadatas(flatObjectMetadataMaps),
  //     toValidate: [createdRawFlatObjectMetadata],
  //   });

  //   const workspaceMigration = this.workspaceMigrationBuilderV2.build({
  //     objectMetadataFromToInputs: {
  //       from: fromFlatObjectMetadataMapsToFlatObjectMetadatas(
  //         existingFlatObjectMetadatas,
  //       ),
  //       to: [createdFlatObjectMetadata],
  //     },
  //     inferDeletionFromMissingObjectFieldIndex: false,
  //     workspaceId: objectMetadataInput.workspaceId,
  //   });

  //   await this.workspaceMigrationRunnerV2Service.run(workspaceMigration);

  //   return createdFlatObjectMetadata; // TODO retrieve from cache
  // }
}