/*
	SPDX-FileCopyrightText: © 2025 Hornwitser <code@hornwitser.no>
	SPDX-License-Identifier: AGPL-3.0-or-later
*/
import { Info } from "~/shared/utils/luxon";
import { defineStore } from 'pinia'

interface SyncOperation {
	controller: AbortController,
	promise: Promise<Ref<ClientMap<ClientUser>>>,
}

export const useUsersStore = defineStore("users", () => {
	const accountStore = useAccountStore();

	const state = {
		fetched: ref<boolean>(false),
		pendingSync: ref<SyncOperation>(),
		users: ref<ClientMap<ClientUser>>(new ClientMap(ClientUser, new Map(), new Map())),
	}
	const getters = {
	}
	const actions = {
		async fetch() {
			if (!accountStore.isCrew || state.fetched.value) {
				return state.users;
			}
			const pending = state.pendingSync.value;
			if (pending) {
				return pending.promise;
			}

			const requestFetch = useRequestFetch();
			const controller = new AbortController();
			const zone = Info.normalizeZone(accountStore.activeTimezone);
			const locale = accountStore.activeLocale;
			const promise = (async () => {
				try {
					const apiUsers = await requestFetch("/api/users", { signal: controller.signal });
					state.users.value.apiUpdate(apiUsers, { zone, locale });
					state.pendingSync.value = undefined;
					state.fetched.value = true;
					return state.users;
				} catch (err: any) {
					if (err.name !== "AbortError")
						state.pendingSync.value = undefined;
					throw err;
				}
			})();
			state.pendingSync.value = {
				controller,
				promise,
			};
			return promise;
		},
		async resync(id: number) {
			const pending = state.pendingSync.value;
			if (pending) {
				pending.controller.abort();
			}
			state.pendingSync.value = undefined;
			state.fetched.value = false;
			await actions.fetch();
		},
	}

	appEventSource?.addEventListener("update", (event) => {
		if (event.data.type !== "user-update") {
			return;
		}
		console.log("appyling", event.data)
		const zone = Info.normalizeZone(accountStore.activeTimezone);
		const locale = accountStore.activeLocale;
		state.users.value.apiUpdate([event.data.data], { zone, locale });
	});

	return {
		...state,
		...getters,
		...actions,
	};
})