import type BookTrackerPlugin from "@src/main";
import { type BookTrackerSettings, DEFAULT_SETTINGS } from "../settings/types";
import { getContext, setContext } from "svelte";

interface SettingsStore {
	settings: BookTrackerSettings;
	load(): Promise<void>;
}

export function createSettings(plugin: BookTrackerPlugin) {
	let settings = $state(plugin.settings);

	$effect(() => {
		if (settings === DEFAULT_SETTINGS) {
			return;
		}

		plugin.settings = settings;
		plugin.saveSettings();
	});

	return {
		get settings() {
			return settings;
		},
		async load() {
			const newSettings = await plugin.loadData();

			settings = {
				...settings,
				...newSettings,
			};
		},
	};
}

const SETTINGS_KEY = Symbol("settings");

export function setSettingsContext(state: SettingsStore) {
	setContext(SETTINGS_KEY, state);
}

export function getSettingsContext(): SettingsStore {
	return getContext(SETTINGS_KEY) as SettingsStore;
}