/**
* Myext querying page settings with regard to wildcard records
*
* Copyright (C) 2021 Wojtek Kosior
*
* Dual-licensed under:
*   - 0BSD license
*   - GPLv3 or (at your option) any later version
*/

"use strict";

(() => {
    const make_once = window.make_once;
    const get_storage = window.get_storage;

    var storage;

    var exports = {};

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

	return fun;
    }

    // TODO: also support urls with specified ports as well as `data:' urls
    function query(url, multiple)
    {
	let proto_re = "[a-zA-Z]*:\/\/";
	let domain_re = "[^/?#]+";
	let segments_re = "/[^?#]*";
	let query_re = "\\?[^#]*";

	let url_regex = new RegExp(`\
^\
(${proto_re})\
(${domain_re})\
(${segments_re})?\
(${query_re})?\
#?.*\$\
`);

	let regex_match = url_regex.exec(url);
	if (regex_match === null) {
	    console.log("bad url format", url);
	    return multiple ? [] : [undefined, undefined];
	}

	let [_, proto, domain, segments, query] = regex_match;

	domain = domain.split(".");
	let segments_trailing_dash =
	    segments && segments[segments.length - 1] === "/";
	segments = (segments || "").split("/").filter(s => s !== "");
	segments.unshift("");

	let matched = [];

	for (let d_slice = 0; d_slice < domain.length; d_slice++) {
	    let domain_part = domain.slice(d_slice).join(".");
	    let domain_wildcards = [];
	    if (d_slice === 0)
		domain_wildcards.push("");
	    if (d_slice === 1)
		domain_wildcards.push("*.");
	    if (d_slice > 0)
		domain_wildcards.push("**.");
	    domain_wildcards.push("***.");

	    for (let domain_wildcard of domain_wildcards) {
		let domain_pattern = domain_wildcard + domain_part;

		for (let s_slice = segments.length; s_slice > 0; s_slice--) {
		    let segments_part = segments.slice(0, s_slice).join("/");
		    let segments_wildcards = [];
		    if (s_slice === segments.length) {
			if (segments_trailing_dash)
			    segments_wildcards.push("/");
			segments_wildcards.push("");
		    }
		    if (s_slice === segments.length - 1) {
			if (segments[s_slice] !== "*")
			    segments_wildcards.push("/*");
		    }
		    if (s_slice < segments.length &&
			(segments[s_slice] !== "**" ||
			 s_slice < segments.length - 1))
			segments_wildcards.push("/**");
		    if (segments[s_slice] !== "***" ||
			s_slice < segments.length)
			segments_wildcards.push("/***");

		    for (let segments_wildcard of segments_wildcards) {
			let segments_pattern =
			    segments_part + segments_wildcard;

			let pattern = proto + domain_pattern + segments_pattern;
			console.log("trying", pattern);
			let settings = storage.get(TYPE_PREFIX.PAGE, pattern);

			if (settings === undefined)
			    continue;

			if (!multiple)
			    return [pattern, settings];

			matched.push([pattern, settings]);
		    }
		}
	    }
	}

	return multiple ?  matched : [undefined, undefined];
    }

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

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

    window.get_query_best = make_once(() => init(query_best));
    window.get_query_all = make_once(() => init(query_all));
})();
re-updates</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-24 21:16:12 +0300'>2022-09-24</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=445076743e13a424c40622b1f70f4257128108b9'>gnu: Remove icu4c-67.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-07-22 01:09:14 +0200'>2022-07-22</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=9044b086ddca64a62966a83cbf1b82d32dece89e'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-16 23:25:19 +0200'>2022-07-16</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=7f781c04343c4917e7dc9752018e91855117f53e'>gnu: mozjs: Build with ICU 69.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-11 16:18:12 +0300'>2022-07-11</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=e0e87fe3a62d308f00dfada08c83c64ba70419e5'>gnu: icu4c-70: Fix building on riscv64-linux.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-06-30 23:26:17 +0200'>2022-06-30</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=1861b35e36dbc3f9bc2ba047d0602665138c03ed'>gnu: icu4c: Remove input labels.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-27 23:48:00 +0200'>2022-06-27</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=20bc806b044057d657e8ba6d10b6515bd1b702d4'>gnu: icu4c: Update to 71.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-23 15:49:59 +0200'>2022-06-23</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=aa3e99042401f3ffd2df1e92b11afaea8ac63575'>gnu: icu4c: Add 71.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>