<?php

namespace App\Utils;

use AdamBrett\ShellWrapper\Command\Builder as CommandBuilder;
use AdamBrett\ShellWrapper\Runners\Exec;
use App\Exceptions\BackupFolderNotFoundException;
use App\Exceptions\ExportFolderNotFoundException;
use Throwable;

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

    public function __construct()
    {
        $this->shell = new Exec();
        $this->builder = new CommandBuilder("");
        $this->backupFolder = ".";
        $this->exportFolder = ".";
    }

    /**
     * @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 $dataFolder
     * @return BackupManager
     * @throws Throwable
     */
    public function setDataFolder($dataFolder): BackupManager
    {
        throw_if(!file_exists($dataFolder), new BackupFolderNotFoundException('Data folder not exist!'));
        $this->dataFolder = $dataFolder;
        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;
    }

    /**
     * @param $param
     * @return BackupManager
     */
    public function addParams(array $params): BackupManager
    {
        $this->params = $params;
        return $this;
    }

    /**
     * @param mixed $containerName
     * @return BackupManager
     */
    public function setContainerName($containerName): BackupManager
    {
        $this->containerName = $containerName;
        return $this;
    }

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

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

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

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

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

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

    /*
     * @param int $mode
     * @return BackupManager
     */
    /*public function builder(int $mode): BackupManager
    {
        switch ($mode) {
            case BuilderMode::CONTAINER:
                $this->builder = new Builder("docker export {$this->containerName} -o {$this->backupFolder}/{$this->containerName}.tar.gz");
                break;
            case BuilderMode::DATA:
                $this->builder = new Builder("tar -zcf");
                break;
            case BuilderMode::MYSQL:
                $this->builder = new Builder("docker exec");
                break;
            default:
                $this->builder = new Builder("");
        }
        return $this;
    }*/

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

    public function execute()
    {
        return $this->shell->run($this->builder);
    }
}