<?php
namespace Seria;

use InvalidArgumentException;
use Index\Environment;
use Index\Data\IDbTransactions;
use Index\Data\Migration\{IDbMigrationRepo,DbMigrationManager,FsDbMigrationRepo};
use Index\Security\CSRFP;
use Sasae\SasaeEnvironment;
use Syokuhou\IConfig;
use Seria\Auth\AuthInfo;
use Seria\Torrents\TorrentsContext;
use Seria\Users\UsersContext;

final class SeriaContext {
    private IDbTransactions $dbConn;
    private IConfig $config;
    private ?SasaeEnvironment $templating = null;

    private AuthInfo $authInfo;
    private SiteInfo $siteInfo;

    private CSRFP $csrfp;

    private TorrentsContext $torrentsCtx;
    private UsersContext $usersCtx;

    public function __construct(IDbTransactions $dbConn, IConfig $config) {
        $this->dbConn = $dbConn;
        $this->config = $config;

        $this->authInfo = new AuthInfo;
        $this->siteInfo = new SiteInfo($config->scopeTo('site'));

        $this->torrentsCtx = new TorrentsContext($dbConn);
        $this->usersCtx = new UsersContext($dbConn);
    }

    public function getDbConn(): IDbTransactions {
        return $this->dbConn;
    }

    public function getDbQueryCount(): int {
        $result = $this->dbConn->query('SHOW SESSION STATUS LIKE "Questions"');
        return $result->next() ? $result->getInteger(1) : 0;
    }

    public function createMigrationManager(): DbMigrationManager {
        return new DbMigrationManager($this->dbConn, 'ser_' . DbMigrationManager::DEFAULT_TABLE);
    }

    public function createMigrationRepo(): IDbMigrationRepo {
        return new FsDbMigrationRepo(SERIA_DIR_MIGRATIONS);
    }

    public function getAuthInfo(): AuthInfo {
        return $this->authInfo;
    }

    public function getSiteInfo(): SiteInfo {
        return $this->siteInfo;
    }

    public function getTorrentsContext(): TorrentsContext {
        return $this->torrentsCtx;
    }

    public function getUsersContext(): UsersContext {
        return $this->usersCtx;
    }

    public function getTemplating(): ?SasaeEnvironment {
        return $this->templating;
    }

    public function getCSRFP(): CSRFP {
        return $this->csrfp;
    }

    public function startCSRFP(string $secretKey, string $identity): void {
        $this->csrfp = new CSRFP($secretKey, $identity);
    }

    public function startTemplating(): void {
        $isDebug = Environment::isDebug();
        $globals = [
            'auth_info' => $this->authInfo,
            'site_info' => $this->siteInfo,
            'display_timings_info' => $isDebug, // + isFlash
        ];

        $this->templating = new SasaeEnvironment(
            SERIA_DIR_TEMPLATES,
            cache: $isDebug ? null : ['Seria', GitInfo::hash(true)],
            debug: $isDebug,
        );
        $this->templating->addExtension(new SeriaSasaeExtension($this, $this->siteInfo));
        $this->templating->addGlobal('globals', $globals);
    }

    public function createRouting(): RoutingContext {
        $routing = new RoutingContext($this);

        $routing->register(new HomeRoutes($this->templating));
        $routing->register(new Users\ProfileRoutes($this->authInfo, $this->torrentsCtx, $this->usersCtx, $this->templating));
        $routing->register(new Users\SettingsRoutes($this->authInfo, $this->usersCtx, $this->csrfp, $this->templating));
        $routing->register(new Torrents\AnnounceRouting($this->torrentsCtx, $this->usersCtx));
        $routing->register(new Torrents\TorrentCreateRouting($this->dbConn, $this->authInfo, $this->torrentsCtx, $this->csrfp, $this->templating));
        $routing->register(new Torrents\TorrentInfoRouting(
            $this->config->scopeTo('announce'),
            $this->authInfo,
            $this->torrentsCtx,
            $this->usersCtx,
            $this->csrfp,
            $this->templating
        ));
        $routing->register(new Torrents\TorrentListRouting($this->authInfo, $this->torrentsCtx, $this->usersCtx, $this->templating));

        return $routing;
    }
}