<?php
namespace ProVM\Common\Service;

use Psr\Log\LoggerInterface;
use PDO;

class Install
{
    public function __construct(LoggerInterface $logger, PDO $pdo)
    {
        $this->setLogger($logger);
        $this->setConnection($pdo);
    }

    protected LoggerInterface $logger;
    protected PDO $connection;

    public function getLogger(): LoggerInterface
    {
        return $this->logger;
    }
    public function getConnection(): PDO
    {
        return $this->connection;
    }
    public function setLogger(LoggerInterface $logger): Install
    {
        $this->logger = $logger;
        return $this;
    }
    public function setConnection(PDO $pdo): Install
    {
        $this->connection = $pdo;
        return $this;
    }

    public function run(): void
    {
        $tables = [
            'messages' => [
                '`mailbox_id` int UNSIGNED NOT NULL',
                '`position` int UNSIGNED NOT NULL',
                '`uid` int UNSIGNED NOT NULL PRIMARY KEY',
                '`subject` varchar(255) NOT NULL',
                '`from` varchar(100) NOT NULL',
                '`date_time` datetime NOT NULL',
                '`has_attachments` int(1) DEFAULT 0',
                '`valid_attachments` int(1) DEFAULT 0',
                '`downloaded_attachments` int(1) DEFAULT 0'
            ],
            'attachments' => [
                '`message_uid` int UNSIGNED NOT NULL',
                '`filename` varchar(255) NOT NULL PRIMARY KEY',
                '`encrypted` int(1) DEFAULT 0',
                '`decrypted` int(1) DEFAULT 0',
                'CONSTRAINT `message_uid_fk` FOREIGN KEY (`message_uid`) REFERENCES `messages` (`uid`)'
            ],
            'mailboxes' => [
                '`'
            ]
        ];
        foreach ($tables as $table => $definitions) {
            $this->getConnection()->query($this->buildCreateTable($table, $definitions));
        }
    }
    protected function buildCreateTable(string $table_name, array $columns): string
    {
        $query = ["CREATE TABLE IF NOT EXISTS `{$table_name}` ("];
        $query []= implode(',' . PHP_EOL, $columns);
        $query []= ')';
        return implode(PHP_EOL, $query);
    }
}