import {DomSanitizer, SafeHtml} from "@angular/platform-browser";
import {Injectable} from "@angular/core";
import {NgbModal, NgbModalOptions} from "@ng-bootstrap/ng-bootstrap";
import {ModalStatus} from "@app/_helpers/modal.states";

@Injectable({ providedIn: 'root' })
export class AppHelperService {

    constructor(
        private sanitizer: DomSanitizer,
        private modalService: NgbModal,
    ) {}

    public extractId(iri: string | undefined | null): string {
        if (iri !== undefined && iri !== null) {
            const iriRegex = /\/(\d+)$/;
            const match = iri.match(iriRegex);
            if (match && match[1]) {
                return match[1];
            }
        }
        return "";
    }

    public convertDate(dateString: string | null, withTime = false) {
        // number 10 for input date (2024-03-15)
        // number 16 for input datetime-local (2024-04-28T03:22)
        if (dateString !== null) {
            const date = new Date(dateString);
            return date.toISOString().slice(0, withTime ? 16 : 10);
        }
        return "";
    }

    public getSafeLongtext(longtext: any): SafeHtml {
        if (longtext) {
            return this.sanitizer.bypassSecurityTrustHtml(longtext.replace(/\n/g, '<br>'));
        }
        return false;
    }

    public getModalOptions(): NgbModalOptions {
        return { centered: true } as NgbModalOptions;
    }

    public openModal(component: any, data: any, callback?: () => void): Promise<ModalStatus> {
        const modalRef = this.modalService.open(component);
        for (const key in data) {
            modalRef.componentInstance[key] = data[key];
        }

        return modalRef.componentInstance.submit.subscribe((modalStatus: ModalStatus) => {
            if (modalStatus === ModalStatus.Submitted) {
                modalRef.dismiss();
                if (callback) {
                    callback();
                }
            }
        });
    }

    public assertType<T>(value: any, type: string): asserts value is T {
        if (typeof value !== type) {
            throw new Error(`Expected ${type} but received ${typeof value}`);
        }
    }

}