/*
 *   This file is a part of the SteamWar software.
 *
 *   Copyright (C) 2023 SteamWar.de-Serverteam
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

import Color from "color";
import type {Team} from "@type/team.js";
import type {ListPage, PageList} from "@type/page.ts";

export const capitalize = (str: string) => str.charAt(0).toUpperCase() + str.slice(1);

export const nameRegex = new RegExp("(?!.*/).+(?=\\.(md|json))");

export function mapToMap(pages: PageList): Map<string, ListPage[]> {
    const map = new Map();
    for (const page of pages) {
        const folder = page.path.substring(0, page.path.indexOf(nameRegex.exec(page.path)![0]));
        if (!map.has(folder)) {
            map.set(folder, []);
        }
        map.get(folder).push(page);
    }
    return map;
}

export function colorFromTeam(team: Team): string {
    switch (team.color) {
    case "1":
        return "#0000AA";
    case "2":
        return "#00AA00";
    case "3":
        return "#00AAAA";
    case "4":
        return "#AA0000";
    case "5":
        return "#AA00AA";
    case "6":
        return "#FFAA00";
    case "7":
        return "#AAAAAA";
    case "8":
        return "#555555";
    case "9":
        return "#5555FF";
    case "a":
        return "#55FF55";
    case "b":
        return "#55FFFF";
    case "c":
        return "#FF5555";
    case "d":
        return "#FF55FF";
    case "e":
        return "#FFFF55";
    case "f":
        return "#FFFFFF";
    default:
        return "#000000";
    }
}

export function lighten(color: string) {
    return brightness(color) ? Color(color).lighten(0.2).hex() : Color(color).darken(0.2).hex();
}

export function brightness(color: string) {
    return Color(color).isLight();
}

export function base64ToBytes(base64: string): Uint8Array {
    const binString = atob(base64);
    // @ts-expect-error Some Function Missing
    return Uint8Array.from(binString, (m) => m.codePointAt(0));
}

export function bytesToBase64(bytes: Uint8Array) {
    const binString = String.fromCodePoint(...bytes);
    return btoa(binString);
}