<?php
namespace Blog\Http;

class Request {
  private string $method;
  private string $path;
  private array $postData;

  public function __construct(string $method, string $uri, array $postData = []) {
    $this->method = strtoupper($method);
    $this->path = parse_url($uri, PHP_URL_PATH) ?? '/';
    $this->postData = $postData ?: $_POST;
  }

  public function getMethod(): string {
    return $this->method;
  }

  public function getPath(): string {
    return $this->path;
  }

  public function getPost(string $key, $default = null): mixed {
    return $this->postData[$key] ?? $default;
  }

  public function allPost(): array {
    return $this->postData;
  }

  public function getQuery(string $key, $default = null): mixed {
    $query = [];
    parse_str(parse_url($this->path, PHP_URL_QUERY) ?? '', $query);
    return $query[$key] ?? $default;
  }

  public function getHeader(string $key): ?string {
    $headerKey = 'HTTP_' . strtoupper(str_replace('-', '_', $key));
    return $_SERVER[$headerKey] ?? null;
  }

  public function getRawInput(): string {
    return file_get_contents('php://input');
  }

  public function getJson(): array {
    return json_decode($this->getRawInput(), true) ?? [];
  }
}