<?php
namespace Misuzu\SharpChat;

use Misuzu\Perm;
use Misuzu\Perms\Permissions;
use Misuzu\Users\UserInfo;

final class SharpChatPerms {
    private const P_KICK_USER      = 0x00000001;
    private const P_BAN_USER       = 0x00000002;
    //private const P_SILENCE_USER = 0x00000004;
    private const P_BROADCAST      = 0x00000008;
    private const P_SET_OWN_NICK   = 0x00000010;
    private const P_SET_OTHER_NICK = 0x00000020;
    private const P_CREATE_CHANNEL = 0x00000040;
    private const P_DELETE_CHANNEL = 0x00010000;
    private const P_SET_CHAN_PERMA = 0x00000080;
    private const P_SET_CHAN_PASS  = 0x00000100;
    private const P_SET_CHAN_HIER  = 0x00000200;
    private const P_JOIN_ANY_CHAN  = 0x00020000;
    private const P_SEND_MESSAGE   = 0x00000400;
    private const P_DELETE_OWN_MSG = 0x00000800;
    private const P_DELETE_ANY_MSG = 0x00001000;
    private const P_EDIT_OWN_MSG   = 0x00002000;
    private const P_EDIT_ANY_MSG   = 0x00004000;
    private const P_VIEW_IP_ADDR   = 0x00008000;

    private const PERMS_DEFAULT = self::P_SEND_MESSAGE | self::P_DELETE_OWN_MSG | self::P_EDIT_OWN_MSG;
    private const PERMS_MANAGE_USERS = self::P_SET_OWN_NICK | self::P_SET_OTHER_NICK | self::P_DELETE_ANY_MSG
                                        | self::P_EDIT_ANY_MSG | self::P_VIEW_IP_ADDR | self::P_BROADCAST;
    private const PERMS_CHANGE_BACKG = self::P_SET_OWN_NICK | self::P_CREATE_CHANNEL | self::P_SET_CHAN_PASS;
    private const PERMS_MANAGE_FORUM = self::P_CREATE_CHANNEL | self::P_SET_CHAN_PERMA | self::P_SET_CHAN_PASS
                                        | self::P_SET_CHAN_HIER | self::P_DELETE_CHANNEL | self::P_JOIN_ANY_CHAN;

    public static function convert(Permissions $perms, UserInfo $userInfo): int {
        $perms = $perms->getPermissions(['global', 'user'], $userInfo);
        $convert = self::PERMS_DEFAULT;

        if($perms->user->check(Perm::U_USERS_MANAGE))
            $convert |= self::PERMS_MANAGE_USERS;

        if($perms->user->check(Perm::U_WARNINGS_MANAGE))
            $convert |= self::P_KICK_USER;

        if($perms->user->check(Perm::U_BANS_MANAGE))
            $convert |= self::P_BAN_USER;

        if($perms->user->check(Perm::U_PROFILE_BACKGROUND_CHANGE))
            $convert |= self::PERMS_CHANGE_BACKG;

        if($perms->global->check(Perm::G_FORUM_CATEGORIES_MANAGE))
            $convert |= self::PERMS_MANAGE_FORUM;

        return $convert;
    }
}