import { Injectable } from '@angular/core';
import { Endpoints } from '../endpoints';
import { QueryParams } from '../model/Query.model';

@Injectable({
    providedIn: 'root',
})
export class EndpointService {
    public getUrl(
        endpoint: keyof typeof Endpoints,
        pathParams?: string[],
        queryParams?: QueryParams,
    ): string {
        const urlSearchParams = new URLSearchParams();
        if (queryParams?.page !== undefined) {
            urlSearchParams.set('page', queryParams.page.toString());
        }
        if (queryParams?.size !== undefined) {
            urlSearchParams.set('size', queryParams.size.toString());
        }
        queryParams?.sort?.forEach((sort) => {
            if (typeof sort === 'string') {
                urlSearchParams.append('sort', sort);
            } else {
                let sortString = sort.property;
                if (sort.order) {
                    sortString += ',' + sort.order;
                }
                if (sort.ignoreCase) {
                    sortString += ',IgnoreCase';
                }
                urlSearchParams.append('sort', sortString);
            }
        });

        let pathString = pathParams?.join('/') || '';
        if (pathString?.length) {
            pathString = '/' + pathString;
        }

        let queryString = urlSearchParams.toString();
        if (queryString.length) {
            queryString = '?' + queryString;
        }

        return `http://localhost:8080/${Endpoints[endpoint]}${pathString}${queryString}`;
    }
}