/**
 * Hook: shipments list – fetches GET /shipments (orders with _p2g_ship_status = Fulfilled only).
 */
import { useEffect, useState, useCallback, useRef } from '@wordpress/element';
import { __ } from '@wordpress/i18n';
import apiFetch from '@wordpress/api-fetch';
import type { Shipment, ShipmentsListResponse } from '../../../types';
import { getApiErrorMessage } from '../../../shared/utils';
import { captureException, addBreadcrumb } from '../../../shared/sentry';

export interface UseShipmentsReturn {
	shipments: Shipment[];
	total: number;
	page: number;
	loading: boolean;
	error: string | null;
	fetchShipments: (pageToFetch?: number) => Promise<void>;
	setPage: (page: number) => void;
}

export function useShipments(rowsPerPage: number): UseShipmentsReturn {
	const [shipments, setShipments] = useState<Shipment[]>([]);
	const [total, setTotal] = useState(0);
	const [page, setPage] = useState(1);
	const [loading, setLoading] = useState<boolean>(true);
	const [error, setError] = useState<string | null>(null);
	const isMountedRef = useRef<boolean>(true);

	const fetchShipments = useCallback(
		async (pageToFetch: number = 1) => {
			try {
				setLoading(true);
				setError(null);
				const params = new URLSearchParams({
					page: String(pageToFetch),
					per_page: String(rowsPerPage),
				});
				const json = (await apiFetch({
					path: `/parcel2go-shipping/v1/shipments?${params.toString()}`,
				})) as ShipmentsListResponse;

				const list: Shipment[] = json?.shipments ?? [];

				if (isMountedRef.current) {
					const filteredList = list.filter(shipment => shipment.p2g.orderId !== '').sort((a, b) => new Date(b.p2g.bookedAt).getTime() - new Date(a.p2g.bookedAt).getTime());
					setShipments(filteredList);
					setTotal(filteredList.length);
					setPage(pageToFetch);
				}
			} catch (e: unknown) {
				captureException(e instanceof Error ? e : new Error(String(e)));
				addBreadcrumb('Shipments fetch failed', {}, 'api');
				if (isMountedRef.current)
					setError(
						getApiErrorMessage(
							e,
							__(
								'Failed to load shipments.',
								'parcel2go-shipping',
							),
						),
					);
			} finally {
				if (isMountedRef.current) {
					setLoading(false);
				}
			}
		},
		[rowsPerPage],
	);

	useEffect(() => {
		isMountedRef.current = true;
		fetchShipments();
		return () => {
			isMountedRef.current = false;
		};
	}, [fetchShipments]);

	return { shipments, total, page, loading, error, fetchShipments, setPage };
}