<?php

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

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

class SqliteTableReflection implements TableReflectionInterface
{

    private PDO $pdo;

    private array $columns = [];

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

        //$columnsQuery = $pdo->prepare("SELECT name FROM sqlite_schema WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' ORDER BY 1;");
        $columnsQuery = $pdo->prepare("pragma table_info({$table})");
        $columnsQuery->execute();
        $columns = $columnsQuery->fetchAll(PDO::FETCH_ASSOC);

        if (count($columns) == 0) {
            throw new \RuntimeException(sprintf("No such table %s in database", $table));
        }

        foreach ($columns as $column) {
            $name = $column['name'];
            $this->columns[$name] = new SqliteColumnReflection($db, $column);
        }
    }

    public function getAllColumns(): array
    {
        return $this->columns;
    }

    public function getColumn(string $name): ?ColumnReflectionInterface
    {
        return $this->columns[$name] ?? null;
    }
}