<?php

namespace ProcessMaker\Http\Resources;

use Illuminate\Support\Arr;

use ProcessMaker\Models\Screen;

use ProcessMaker\Models\ScreenVersion as ScreenVersionModel;

use ProcessMaker\ProcessTranslations\ScreenTranslation;

class ScreenVersion extends ApiResource

{

/**

* Transform the resource into an array.

*

* @param \Illuminate\Http\Request

* @return array

*/

public function toArray($request)

{

$screenVersion = parent::toArray($request);

$include = explode(',', $request->input('include', ''));

$task = null;

if (in_array('nested', $include)) {

$this->setDefaultScreenForNestedScreens($screenVersion);

$task = $request->route('task');

$processRequest = null;

if ($task) {

$processRequest = $task->processRequest;

}

$nested = [];

foreach ($this->parent->nestedScreenIds($processRequest) as $id) {

$nestedScreen = Screen::find($id);

if ($nestedScreen) {

$nested[] = $nestedScreen->versionFor($processRequest)->toArray();

}

}

$screenVersion['nested'] = $nested;

}

// If web entry, apply translations

if (!$task) {

// Apply translations to screen

$screenTranslation = new ScreenTranslation();

$screenVersion['config'] = $screenTranslation->applyTranslations(new ScreenVersionModel($screenVersion));

// Apply translations to nested screens

if (!array_key_exists('nested', $screenVersion)) {

return $screenVersion;

}

foreach ($screenVersion['nested'] as &$nestedScreen) {

$nestedScreen['config'] = $screenTranslation->applyTranslations(new ScreenVersionModel($nestedScreen));

}

}

return $screenVersion;

}

/**

* Set the default screen for nested screens when no screen has been selected.

*/

private function setDefaultScreenForNestedScreens(array &$screenVersion): void

{

$configArray = $screenVersion['config'];

foreach ($configArray as $key => $config) {

foreach ($config['items'] as $itemKey => $item) {

if (isset($item['component']) && $item['component'] === 'FormNestedScreen') {

$configScreen = $item['config']['screen'] ?? null;

if (Screen::where('id', $configScreen)->doesntExist()) {

$defaultScreenId = Screen::where('key', 'default-form-screen')->value('id');

$path = "{$key}.items.{$itemKey}.config.screen";

Arr::set($configArray, $path, $defaultScreenId);

}

}

}

}

$screenVersion['config'] = $configArray;

}

}