<?php

namespace SparkPlug\Com\Noccy\Pdo\Reflection\Reflector;

use PDO;
use SparkPlug\Com\Noccy\Pdo\PdoResource;
use SparkPlug\Com\Noccy\Pdo\Reflection\DatabaseReflectionInterface;
use SparkPlug\Com\Noccy\Pdo\Reflection\TableReflectionInterface;

class MysqlDatabaseReflection implements DatabaseReflectionInterface
{

    private PDO $pdo;

    private array $tables = [];

    public function __construct(PdoResource $db)
    {
        $pdo = $db->getPDO();

        $tableQuery = $pdo->prepare('show full tables');
        $tableQuery->execute();
        $tables = $tableQuery->fetchAll(PDO::FETCH_ASSOC);

        foreach ($tables as $table) {
            $name = reset($table);
            $this->tables[$name] = new MysqlTableReflection($db, $name);
        }

    }

    public function getAllTables(): array
    {
        return $this->tables;
    }

    public function getTable(string $name): ?TableReflectionInterface
    {
        return $this->tables[$name] ?? null;
    }
}