import {Component, inject, OnInit, signal} from "@angular/core";
import {PublicationEditionComponent} from "../../components/publication-edition/publication-edition.component";
import {PublicationRestService} from "../../core/rest-services/publications/publication.rest-service";
import {Router} from "@angular/router";
import {MatSnackBar} from "@angular/material/snack-bar";
import {DEFAULT_PUBLICATION, Publication} from "../../core/rest-services/publications/model/publication";
import {AuthenticationService} from "../../core/service/authentication.service";
import {Author} from "../../core/rest-services/publications/model/author";

@Component({
  selector: 'app-publication-creation',
  templateUrl: './publication-creation.component.html',
  styleUrl: './publication-creation.component.scss',
  imports: [
    PublicationEditionComponent
  ]
})
export class PublicationCreationComponent implements OnInit {
  readonly #authenticationService = inject(AuthenticationService);
  readonly #publicationRestService = inject(PublicationRestService);
  readonly #router = inject(Router);
  readonly #snackBar = inject(MatSnackBar);
  isSaving = signal(false);
  publication = signal<Publication>(DEFAULT_PUBLICATION);

  ngOnInit(): void {
    const authenticatedUser = this.#authenticationService.getAuthenticatedUser();
    if (authenticatedUser) {
      const author: Author = {
        id: authenticatedUser.id,
        name: authenticatedUser.pseudo,
        image: authenticatedUser.photoId ?? ''
      };
      const newPublication: Publication = {...DEFAULT_PUBLICATION, author};
      this.publication.set(newPublication);
    }
  }

  onPublicationSave(publication: Publication): void {
    this.isSaving.set(true);
    this.#publicationRestService.create(publication)
      .then(() => {
        this.#snackBar.open($localize`Publication created succesfully!`, $localize`Close`, {duration: 5000});
        this.#router.navigate(['/my-publications']);
      })
      .catch(error => {
        const errorMessage = $localize`An error occured while saving new publication.`;
        console.error(errorMessage, error);
        this.#snackBar.open(errorMessage, $localize`Close`, {duration: 5000});
      })
      .finally(() => this.isSaving.set(false));
  }
}