/**
 * Myext querying page settings with regard to wildcard records
 *
 * Copyright (C) 2021 Wojtek Kosior
 * Redistribution terms are gathered in the `copyright' file.
 */

/*
 * IMPORTS_START
 * IMPORT make_once
 * IMPORT get_storage
 * IMPORT TYPE_PREFIX
 * IMPORT for_each_possible_pattern
 * IMPORTS_END
 */

var storage;

async function init(fun)
{
    storage = await get_storage();

    return fun;
}

function check_pattern(pattern, multiple, matched)
{
    const settings = storage.get(TYPE_PREFIX.PAGE, pattern);

    if (settings === undefined)
	return;

    matched.push([pattern, settings]);

    if (!multiple)
	return false;
}

function query(url, multiple)
{
    const matched = [];
    for_each_possible_pattern(url, p => check_pattern(p, multiple, matched));

    return multiple ? matched : (matched[0] || [undefined, undefined]);
}

function query_best(url)
{
    return query(url, false);
}

function query_all(url)
{
    return query(url, true);
}

const get_query_best = make_once(() => init(query_best));
const get_query_all = make_once(() => init(query_all));

/*
 * EXPORTS_START
 * EXPORT get_query_best
 * EXPORT get_query_all
 * EXPORTS_END
 */