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

import { QUERY_MAX_RECORDS } from 'twenty-shared/constants';
import { type ObjectRecord } from 'twenty-shared/types';

import {
  GraphqlQueryBaseResolverService,
  type GraphqlQueryResolverExecutionArgs,
} from 'src/engine/api/graphql/graphql-query-runner/interfaces/base-resolver-service';
import { type WorkspaceQueryRunnerOptions } from 'src/engine/api/graphql/workspace-query-runner/interfaces/query-runner-option.interface';
import { type UpdateOneResolverArgs } from 'src/engine/api/graphql/workspace-resolver-builder/interfaces/workspace-resolvers-builder.interface';

import {
  GraphqlQueryRunnerException,
  GraphqlQueryRunnerExceptionCode,
} from 'src/engine/api/graphql/graphql-query-runner/errors/graphql-query-runner.exception';
import { ObjectRecordsToGraphqlConnectionHelper } from 'src/engine/api/graphql/graphql-query-runner/helpers/object-records-to-graphql-connection.helper';
import { buildColumnsToReturn } from 'src/engine/api/graphql/graphql-query-runner/utils/build-columns-to-return';
import { assertIsValidUuid } from 'src/engine/api/graphql/workspace-query-runner/utils/assert-is-valid-uuid.util';
import { assertMutationNotOnRemoteObject } from 'src/engine/metadata-modules/object-metadata/utils/assert-mutation-not-on-remote-object.util';

@Injectable()
export class GraphqlQueryUpdateOneResolverService extends GraphqlQueryBaseResolverService<
  UpdateOneResolverArgs,
  ObjectRecord
> {
  async resolve(
    executionArgs: GraphqlQueryResolverExecutionArgs<UpdateOneResolverArgs>,
  ): Promise<ObjectRecord> {
    const { authContext, objectMetadataItemWithFieldMaps, objectMetadataMaps } =
      executionArgs.options;

    const queryBuilder = executionArgs.repository.createQueryBuilder(
      objectMetadataItemWithFieldMaps.nameSingular,
    );

    const columnsToReturn = buildColumnsToReturn({
      select: executionArgs.graphqlQuerySelectedFieldsResult.select,
      relations: executionArgs.graphqlQuerySelectedFieldsResult.relations,
      objectMetadataItemWithFieldMaps,
      objectMetadataMaps,
    });

    const updatedObjectRecords = await queryBuilder
      .update()
      .set(executionArgs.args.data)
      .where({ id: executionArgs.args.id })
      .returning(columnsToReturn)
      .execute();

    const updatedRecord = updatedObjectRecords.generatedMaps[0] as ObjectRecord;

    if (!updatedRecord) {
      throw new GraphqlQueryRunnerException(
        'Record not found',
        GraphqlQueryRunnerExceptionCode.RECORD_NOT_FOUND,
      );
    }

    if (executionArgs.graphqlQuerySelectedFieldsResult.relations) {
      await this.processNestedRelationsHelper.processNestedRelations({
        objectMetadataMaps,
        parentObjectMetadataItem: objectMetadataItemWithFieldMaps,
        parentObjectRecords: [updatedRecord],
        relations: executionArgs.graphqlQuerySelectedFieldsResult.relations,
        limit: QUERY_MAX_RECORDS,
        authContext,
        workspaceDataSource: executionArgs.workspaceDataSource,
        rolePermissionConfig: executionArgs.rolePermissionConfig,
        selectedFields: executionArgs.graphqlQuerySelectedFieldsResult.select,
      });
    }

    const typeORMObjectRecordsParser =
      new ObjectRecordsToGraphqlConnectionHelper(objectMetadataMaps);

    return typeORMObjectRecordsParser.processRecord({
      objectRecord: updatedRecord,
      objectName: objectMetadataItemWithFieldMaps.nameSingular,
      take: 1,
      totalCount: 1,
    });
  }

  async validate(
    args: UpdateOneResolverArgs<Partial<ObjectRecord>>,
    options: WorkspaceQueryRunnerOptions,
  ): Promise<void> {
    assertMutationNotOnRemoteObject(options.objectMetadataItemWithFieldMaps);
    assertIsValidUuid(args.id);
  }
}