<?php

namespace DrupalCodeBuilder\Generator;

use DrupalCodeBuilder\Exception\InvalidInputException;

use CaseConverter\StringAssembler;

/**

* Generator for a service injection into a class.

*/

class InjectedService extends BaseGenerator {

use NameFormattingTrait;

/**

* {@inheritdoc}

*/

public static function componentDataDefinition() {

$data_definition = parent::componentDataDefinition();

$data_definition['service_id'] = [

'label' => 'Service name',

'required' => TRUE,

'processing' => function($value, &$component_data, $property_name, &$property_info) {

// Validate the service name.

$task_handler_report_services = \DrupalCodeBuilder\Factory::getTask('ReportServiceData');

$services_data = $task_handler_report_services->listServiceData();

if (!isset($services_data[$value])) {

throw new InvalidInputException("Service {$value} not found.");

}

// Build up the service info.

$service_info = [];

$service_info['id'] = $service_id = $value;

// Copy these explicitly for maintainability and readability.

$service_info['description'] = $services_data[$service_id]['description'];

$service_info['interface'] = $services_data[$service_id]['interface'];

// Derive further information.

$service_id_pieces = preg_split('@[_.]@', $value);

$service_info['variable_name'] = (new StringAssembler($service_id_pieces))->snake();

$service_info['property_name'] = (new StringAssembler($service_id_pieces))->camel();

// If the service has no interface, typehint on the class.

$service_info['typehint'] = $service_info['interface'] ?? $service_info['class'];

// Set the service info.

// Bit of a cheat, as undeclared data property!

$component_data['service_info'] = $service_info;

}

];

return $data_definition;

}

/**

* {@inheritdoc}

*/

protected function buildComponentContents($children_contents) {

$service_info = $this->component_data['service_info'];

return [

'service' => [

'role' => 'service',

'content' => $service_info,

],

'container_extraction' => [

'role' => 'container_extraction',

'content' => "\$container->get('{$service_info['id']}'),",

],

'constructor_param' => [

'role' => 'constructor_param',

'content' => [

'name' => $service_info['variable_name'],

'typehint' => $service_info['typehint'],

'description' => $service_info['description'] . '.',

],

],

];

}

}