<?php

class TestHelper
{
    public static function loginUser()
    {
        $authAdapter = Application_Model_Auth::getAuthAdapter();

        //pass to the adapter the submitted username and password
        $authAdapter->setIdentity('admin')
            ->setCredential('admin');

        $auth = Zend_Auth::getInstance();
        $result = $auth->authenticate($authAdapter);
        if ($result->isValid()) {
            //all info about this user from the login table omit only the password
            $userInfo = $authAdapter->getResultRowObject(null, 'password');

            //the default storage is a session with namespace Zend_Auth
            $authStorage = $auth->getStorage();
            $authStorage->write($userInfo);
        }
    }

    public static function getDbZendConfig()
    {
        $config = Config::getConfig();

        return new Zend_Config(
            [
                'host' => $config['dsn']['hostspec'],
                'dbname' => $config['dsn']['database'],
                'username' => $config['dsn']['username'],
                'password' => $config['dsn']['password'],
            ]
        );
    }

    public static function installTestDatabase()
    {
        //We need to load the config before our app bootstrap runs. The config
        //is normally
        $CC_CONFIG = Config::getConfig();

        $dbuser = $CC_CONFIG['dsn']['username'];
        $dbpasswd = $CC_CONFIG['dsn']['password'];
        $dbname = $CC_CONFIG['dsn']['database'];
        $dbhost = $CC_CONFIG['dsn']['hostspec'];

        $databaseAlreadyExists = AirtimeInstall::createDatabase();
        if ($databaseAlreadyExists) {
            //Truncate all the tables
            $con = Propel::getConnection();
            $sql = "select * from pg_tables where tableowner = '{$dbuser}'";

            try {
                $rows = $con->query($sql)->fetchAll();
            } catch (Exception $e) {
                $rows = [];
            }

            //Add any tables that shouldn't be cleared here.
            //   cc_subjs - Most of Airtime requires an admin account to work, which has id=1,
            //              so don't clear it.
            //   cc_music_dirs - Has foreign key constraints against cc_files, so we clear cc_files
            //                   first and clear cc_music_dirs after
            $tablesToNotClear = ['cc_subjs', 'cc_music_dirs'];

            $con->beginTransaction();
            foreach ($rows as $row) {
                $tablename = $row['tablename'];
                if (in_array($tablename, $tablesToNotClear)) {
                    continue;
                }
                //echo "   * Clearing database table $tablename...";

                //TRUNCATE is actually slower than DELETE in many cases:
                //http://stackoverflow.com/questions/11419536/postgresql-truncation-speed
                //$sql = "TRUNCATE TABLE $tablename CASCADE";
                $sql = "DELETE FROM {$tablename}";
                AirtimeInstall::InstallQuery($sql, false);
            }

            //Now that cc_files is empty, clearing cc_music_dirs should work
            $sql = 'DELETE FROM cc_music_dirs';
            AirtimeInstall::InstallQuery($sql, false);

            //  Because files are stored relative to their watch directory,
            //  we need to set the "stor" path before we can successfully
            //  create a fake file in the database.
            //Copy paste from airtime-db-install.php:
            $stor_dir = '/tmp';
            $con = Propel::getConnection();
            $sql = "INSERT INTO cc_music_dirs (directory, type) VALUES ('{$stor_dir}', 'stor')";

            try {
                $con->exec($sql);
            } catch (Exception $e) {
                echo "  * Failed inserting {$stor_dir} in cc_music_dirs" . PHP_EOL;
                echo "  * Message {$e->getMessage()}" . PHP_EOL;

                return false;
            }

            $con->commit();

            //Because we're DELETEing all the rows instead of using TRUNCATE (for speed),
            //we have to reset the sequences so the auto-increment columns (like primary keys)
            //all start at 1 again. This is hacky but it still lets all of this execute fast.
            $sql = "SELECT c.relname FROM pg_class c WHERE c.relkind = 'S'";

            try {
                $rows = $con->query($sql)->fetchAll();
            } catch (Exception $e) {
                $rows = [];
            }
            $con->beginTransaction();
            foreach ($rows as $row) {
                $seqrelname = $row['relname'];
                $sql = "ALTER SEQUENCE {$seqrelname} RESTART WITH 1";
                AirtimeInstall::InstallQuery($sql, false);
            }
            $con->commit();
        } else {
            //Create all the database tables
            AirtimeInstall::CreateDatabaseTables($dbuser, $dbpasswd, $dbname, $dbhost);
            AirtimeInstall::UpdateDatabaseTables();
        }
    }

    public static function setupZendBootstrap()
    {
        $application = new Zend_Application(APPLICATION_ENV, CONFIG_PATH . 'application.ini');
        $application->bootstrap();

        return $application;
    }
}