import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { inject, Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { UI_ROOT_PATH_FN } from '../utils/tokens';
import { getConfig } from './iqser-config.service';

@Injectable()
export class ApiPathInterceptor implements HttpInterceptor {
    readonly #config = getConfig();
    readonly #convertPath = inject(UI_ROOT_PATH_FN);

    intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
        if (!req.url.startsWith('/assets')) {
            const apiUrl = `${this.#config.API_URL}${req.url}`;
            return next.handle(req.clone({ url: apiUrl }));
        }

        const url = this.#convertPath(req.url);
        return next.handle(req.clone({ url }));
    }
}