import { Injectable } from '@angular/core';
import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Router } from '@angular/router';
import { AppService } from './app.service';
import { catchError, Observable, throwError } from 'rxjs';
import { environment } from 'src/environments/environment';
import { SathonCathayPayService } from './sathon-cathay-pay.service';


@Injectable()
export class AppRequestInterceptor implements HttpInterceptor {
  constructor(
    private router: Router,
    private appService: AppService,
    private sathonSV: SathonCathayPayService
  ) {

  }
  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    const token = this.appService.token();

    if (token) {
      request = request.clone({
        setHeaders: { Authorization: `Bearer ${this.generateToken(request.url)}` }
      });
    }

    return next.handle(request).pipe(
      catchError((err) => {
        if (err instanceof HttpErrorResponse) {
          if (err.status === 401) {
            this.router.navigate(['/auth']);
          }
        }
        return throwError(err);
      })
    )
  }


  generateToken(url: string) {
    if (url.includes('71dev')) return this.appService.token()
    if (url.includes('cathay-pay')) return this.appService.getsathonToken()
  }
}