<?php

namespace App\Utils;

use AdamBrett\ShellWrapper\Runners\Exec;
use App\Exceptions\BackupFolderNotFoundException;
use App\Exceptions\ExportFolderNotFoundException;
use Throwable;

class BackupManager
{
    private $exportFolder;
    private $backupFolder;
    private $shell;
    private $builder;
    private $containerName;

    public function __construct()
    {
        $this->shell = new Exec();
    }

    /**
     * @param mixed $backupFolder
     * @return BackupManager
     * @throws Throwable
     */
    public function setBackupFolder($backupFolder): BackupManager
    {
        throw_if(!file_exists($backupFolder), new BackupFolderNotFoundException('Backup folder not exist!'));
        $this->backupFolder = $backupFolder;
        return $this;
    }

    /**
     * @param mixed $exportFolder
     * @return BackupManager
     * @throws Throwable
     */
    public function setExportFolder($exportFolder): BackupManager
    {
        throw_if(!file_exists($exportFolder), new ExportFolderNotFoundException('Export folder not exist!'));
        $this->exportFolder = $exportFolder;
        return $this;
    }

    /**
     * @return Exec
     */
    public function getShell(): Exec
    {
        return $this->shell;
    }

    /**
     * @return mixed
     */
    public function getBackupFolder()
    {
        return $this->backupFolder;
    }

    /**
     * @return mixed
     */
    public function getExportFolder()
    {
        return $this->exportFolder;
    }

    /**
     * @return mixed
     */
    public function getContainerName()
    {
        return $this->containerName;
    }

    public function setBuilder(Builder $builder): BackupManager
    {
        $this->builder = $builder;
        return $this;
    }

    public function getBuilder(): Builder
    {
        return $this->builder;
    }

    /**
     * @return string
     * @throws Throwable
     */
    public function execute()
    {
        $builder = $this->getBuilder()->setBackupFolder($this->backupFolder)->builder();
        return $this->shell->run($builder);
    }
}