<?php
namespace Awaki;

use Index\Data\IDbConnection;
use Index\Data\Migration\IDbMigrationRepo;
use Index\Data\Migration\DbMigrationManager;
use Index\Data\Migration\FsDbMigrationRepo;
use Index\Http\HttpFx;
use Index\Http\HttpRequest;
use Index\Routing\IRouter;

// theme colours: #99403d, #592824, #d18c83
// totally didn't just eyedrop musujime

class AwakiContext {
    private const DB_INIT = 'SET SESSION time_zone = \'+00:00\', sql_mode = \'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION\';';

    private IDbConnection $dbConn;
    private HttpFx $router;

    public function __construct(IDbConnection $dbConn) {
        $this->dbConn = $dbConn;
        $dbConn->execute(self::DB_INIT);
    }

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

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

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

    public function getRouter(): IRouter {
        return $this->router->getRouter();
    }

    public function setUpHttp(): void {
        $this->router = new HttpFx;
        $this->router->use('/', function($response) {
            $response->setPoweredBy('Awaki');
        });

        $this->registerErrorPages();
        $this->registerHttpRoutes();
    }

    public function dispatchHttp(?HttpRequest $request = null): void {
        $this->router->dispatch($request);
    }

    private function registerErrorPages(): void {
        $this->router->addErrorHandler(404, function($response) {
            $response->accelRedirect('/err404.html');
            $response->setTypeHTML();
        });
        $this->router->addErrorHandler(500, function($response) {
            $response->accelRedirect('/err500.html');
            $response->setTypeHTML();
        });
    }

    private function registerHttpRoutes(): void {
        new RedirectorRoutes($this->router, $this->dbConn);
    }
}