<?php

namespace FlatFileForms;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Yosymfony\Toml\Toml;

class App
{
  private array $routes = [

  ];

  /**
   * App constructor.
   */
  public function __construct()
  {
    $request = Request::createFromGlobals();
    $response = new Response();

    $content = [
      'data' => '',
    ];
    $contentRoot = dirname(__DIR__) . '/content';

    $method = $request->getMethod();
    $path = $request->getPathInfo();

    // GET
    if ($method == 'GET')  {
      if (str_ends_with($path, '/fields')) {
	$content['data'] = Toml::parseFile($contentRoot . $path . '/_fields.toml');
      }
      else {
	$content['data'] = Toml::parseFile($contentRoot . $path . '.toml');
      }
    }

    // POST
    else if ($method == 'POST') {
      if (str_ends_with($path, 'submit')) {
	$formPath = $contentRoot . str_replace('/submit', '', $path);

	// build fields
	$fields = $this->buildFields($formPath);

	foreach ($fields as $field) {
	  if ($field['required'] ?? false) {
	    $content['error'] = 'REQUIRED!';
	  }
	}

	$content['data'] = $fields;
	$content['POST'] = $_POST;
      }
    }

    $response->headers->set('Content-Type', 'application/json');
    $response->setContent(json_encode($content));
    $response->send();
  }

  /**
   * @param string $formPath
   */
  public function buildFields($formPath)
  {
    $fields = Toml::parseFile($formPath . '/fields/_fields.toml')['field'] ?? [];
    foreach ($fields as $key => $field) {
      $field = array_merge($field, Toml::parseFile($formPath . '/fields/' . $field['file']));
      $fields[$key] = $field;
    }

    return $fields;
  }
}