<?
use Safe\DateTimeImmutable;

class GitCommit{
	public ?int $GitCommitId = null;
	public ?int $EbookId = null;
	public DateTimeImmutable $Created;
	public string $Message;
	public string $Hash;

	/**
	 * @throws Exceptions\InvalidGitCommitException
	 */
	public static function FromLog(string $unixTimestamp, string $hash, string $message): GitCommit{
		$instance = new GitCommit();
		try{
			$instance->Created = new DateTimeImmutable('@' . $unixTimestamp);
		}
		catch(\Exception){
			throw new Exceptions\InvalidGitCommitException('Invalid timestamp for Git commit.');
		}
		$instance->Message = $message;
		$instance->Hash = $hash;
		return $instance;
	}

	public function Create(): void{
		Db::Query('
			INSERT into GitCommits (EbookId, Created, Message, Hash)
			values (?,
				?,
				?,
				?)
		', [$this->EbookId, $this->Created, $this->Message, $this->Hash]);

		$this->GitCommitId = Db::GetLastInsertedId();
	}
}