<?php

namespace Insallah\Tournaments\Model;

use Insallah\Db;
use Insallah\Tournaments\Config;

class GameConnector
{
    private array $u;

    public function setUser(int $uid): GameConnector
    {
        $this->u = Db::getRow('select id, `level`, login, battle from users where id = ?', [$uid]);
        return $this;
    }

    public function getAllowedLevel(): int
    {
        return $this->u['level'] >= Config::MINIMUM_USER_LEVEL && $this->u['battle'] === 0 ? $this->u['level'] : 0;
    }

    /**
     * @return bool
     */
    public function isEkrOverpriced(): bool
    {
        return Db::getValue('select sum(2price) from items_users where inOdet > 0 and uid = ?', [$this->u['id']])
            > Config::ekrOverpriceFormula($this->u['level']);
    }

    /**
     * @return bool
     */
    public function isEnoughExperience(): bool
    {
        return Db::getValue('select exp from stats where id = ?', [$this->u['id']]) >= Config::MIN_EXP;
    }

    /**
     * @return bool
     */
    public function isRestrictedToJoin(): bool
    {
        return Db::getValue('select count(*) from eff_users where uid = ? and id_eff = ? and `delete` = 0', [
                    $this->u['id'], Config::DELAY_EFFECT_ID,]
            ) > 0;
    }

    /**
     * Узнаём логин персонажа по его id.
     *
     * @return mixed
     */
    public function uidToLogin()
    {
        return $this->u['login'];
    }

    /**
     * Телепорт по комнатам.
     *
     * @param bool $out - обратный телепорт.
     *
     * @return void
     */
    public function teleport(bool $out = false)
    {
        $roomId = $out ? Config::RETURN_ROOM : Config::CUSTOM_BATTLE_ID + $this->u['level'];
        Db::sql('update users set room = ? where id = ?', [$roomId, $this->u['id']]);
    }

    /**
     * Получаем список бойцов и бьём их на пары, между которыми стартуют поединки 1х1.
     * noinc - запрет на вмешательство
     * invis - невидимый бой
     *
     * @param array $fightersList
     *
     * @return void
     */
    public static function startBattle(array $fightersList)
    {
        $teamsq = sprintf("select id from users where battle = 0 and id in (%s)", implode(', ', $fightersList));
        $teams = array_chunk(Db::getColumn($teamsq), 2);
        foreach ($teams as $team) {
            if (count($team) !== 2) {
                continue;
            }
            Db::exec(
                'insert into battle (city, time_start, timeout, type, invis, noinc, travmChance, typeBattle)
                                values (\'capitalcity\', unix_timestamp(), 60, 0, 1, 1, 0, ' . Config::CUSTOM_BATTLE_ID . ')'
            );
            $battleId = Db::lastInsertId();
            Db::sql('update stats set team = 1, zv = 0, hpNow = hpAll, mpNow = mpAll where id = ?', [$team[0]]);
            Db::sql('update stats set team = 2, zv = 0, hpNow = hpAll, mpNow = mpAll where id = ?', [$team[1]]);
            $query = sprintf('update users set battle = %d where id in (%d, %d)', $battleId, $team[0], $team[1]);
            Db::exec($query);
        }
    }

    /**
     * Генерирует множественный запрос сразу на $quantity однотипных предметов в инвентарь пользователя $uid.
     *
     * @param int $quantity
     *
     * @return void
     */
    public function givePrizeItems(int $quantity)
    {
        $query = 'insert into items_users (item_id, uid, `data`, iznosMAX, lastUPD, time_create)
                    values (' . Config::PRIZE_ITEM_ID . ', :uid, :data, 1, unix_timestamp(), unix_timestamp())';
        $args = [
            'uid' => $this->u['id'],
            'data' => 'nosale=1|musor=1|sudba=' . $this->uidToLogin() . '|lvl=8|tr_s1=0|tr_s2=0|tr_s3=0|tr_s4=0',
        ];
        $stmt = Db::prepare($query);
        for ($i = 0; $i < $quantity; $i++) {
            $stmt->execute($args);
        }
    }

    /** Эффект-ограничитель на участие в турнире.
     *
     * @param int $unixtime
     *
     * @return void
     */
    public function giveDelay(int $unixtime)
    {
        $query = 'insert into eff_users (id_eff, uid, `name`, timeUse) select id2, ?, mname, ? from eff_main where id2 = ?';
        $args = [Config::DELAY_EFFECT_ID, $this->u['id'], strtotime($unixtime)];
        Db::sql($query, $args);
    }

    /**
     * Пробуем выкусить проигравшего в последней турнирной битве и удалить эту самую битву во избежание.
     * @return mixed
     */
    public static function getLooser(): int
    {
        $query = '
            select uid
            from
                battle_users,
                (select id, team_win
                from battle
                where
                    team_win > 0 and
                    typeBattle = ' . Config::CUSTOM_BATTLE_ID . '
                order by time_over desc
                limit 1) as last_battle
            where
                battle_users.battle = last_battle.id and
                battle_users.team != last_battle.team_win';
        return Db::getValue($query);
    }

    /**
     * Нет проверок $message потому что оно всегда задаётся в коде и игрок на него не влияет.
     *
     * @param string $message
     *
     * @return void
     */
    public static function sysMessage(string $message)
    {
        if (empty($message)) {
            return;
        }
        $cmsg = new \ChatMessage();
        $cmsg->setDa(1);
        $cmsg->setType(6);
        $cmsg->setText($message);
        (new \Chat())->sendMsg($cmsg);
    }
}