<?php

namespace NoccyLabs\Hotfix\Hotfix;

use Symfony\Component\Yaml\Yaml;
use NoccyLabs\Hotfix\Runner\RunnerFactory;

class Hotfix
{

    protected $header;
    
    protected $body;

    protected $signature;

    protected $origin;

    public function __construct($body, Header $header, Signature $signature, $origin)
    {
        $this->header = $header;
        $this->body = $body;
        $this->signature = $signature;
        $this->origin = $origin;
    }

    public function getHeader()
    {
        return $this->header;
    }

    public function getHash()
    {
        return sha1($this->body);
    }

    public function getSignature()
    {
        return $this->signature;
    }

    public function getBody()
    {
        return $this->body;
    }

    protected function load($hotfix)
    {
        if (strpos($hotfix, "\n---\n")===false) {
            throw new \Exception("Hotfix is missing a proper header, is line endings wrong?");
        }
        list ($header, $body) = explode("\n---\n", $hotfix, 2);
        $header = Yaml::parse($header);
        
        $this->header = $header;
        $this->body = $body;
    }


    public function apply()
    {
        $runner = RunnerFactory::createRunner($this);
        $runner->apply();
    }

}