import { inject, Injectable } from '@angular/core';
import {
  Automation,
  AutomationInput,
  AutomationsGateway,
} from '@task-stream/web/tracker/domain';
import { map, Observable } from 'rxjs';
import {
  AutomationsDocument,
  CreateAutomationDocument,
  DeleteAutomationDocument,
  UpdateAutomationDocument,
} from '../graphql/generated';
import { GraphqlOperations } from './graphql-operations';

@Injectable()
export class GraphqlAutomationsGateway extends AutomationsGateway {
  private readonly gql = inject(GraphqlOperations);

  list(projectId: string): Observable<Automation[]> {
    return this.gql
      .query(AutomationsDocument, { projectId })
      .pipe(map((d) => d.automations as Automation[]));
  }

  create(projectId: string, rule: AutomationInput): Observable<Automation> {
    return this.gql
      .mutate(CreateAutomationDocument, {
        input: { projectId, ...rule } as never,
      })
      .pipe(map((d) => d.createAutomation as Automation));
  }

  update(
    automationId: string,
    changes: { name?: string; active?: boolean },
  ): Observable<Automation> {
    return this.gql
      .mutate(UpdateAutomationDocument, {
        automationId,
        name: changes.name ?? null,
        active: changes.active ?? null,
      })
      .pipe(map((d) => d.updateAutomation as Automation));
  }

  remove(automationId: string): Observable<void> {
    return this.gql
      .mutate(DeleteAutomationDocument, { automationId })
      .pipe(map(() => undefined));
  }
}