<?php

namespace Nest\Database\Configuration;

use Nest\Application;
use Nest\Configuration\Exceptions\ConfigurationValueNotFoundException;
use Nest\Database\Exceptions\Configuration\UndefinedDatabaseTypeException;

class DatabasesArrayConfiguration extends DatabasesConfiguration
{
	/**
	 * @param Application $application The application.
	 * @param string $configurationKey Configuration key where to find the databases configuration array.
	 */
	public function __construct(protected Application $application, protected string $configurationKey)
	{}

	/**
	 * @inheritDoc
	 * @throws ConfigurationValueNotFoundException
	 * @throws UndefinedDatabaseTypeException
	 */
	#[\Override] public function getFactories(): array
	{
		// Initialize loaded factories.
		$factories = [];

		foreach ($this->application->configuration()->getValue($this->configurationKey) as $identifier => $configuration)
		{
			if (empty($configuration["type"]))
				// Undefined database type, throwing an exception.
				throw new UndefinedDatabaseTypeException($identifier);

			// Create the factory with the given configuration.
			$factories[$identifier] = new $configuration["type"]($identifier, $configuration);
		}

		return $factories; // Return loaded factories.
	}
}