import { isObject } from '@jolibox/common';

export type HTTPMethod =
  | 'GET'
  | 'OPTIONS'
  | 'HEAD'
  | 'POST'
  | 'PUT'
  | 'DELETE'
  | 'TRACE'
  | 'CONNECT'
  | 'PATCH';

export function normalizeHeader(header: unknown) {
  const normalized: Record<string, string> = {};

  if (!isObject(header)) {
    return normalized;
  }
  for (const [_key, value] of Object.entries(header)) {
    const key = _key.toLocaleLowerCase();
    if (!value) {
      normalized[key] = '';
    } else if (typeof value === 'object') {
      normalized[key] = Object.prototype.toString.call(value);
    } else {
      normalized[key] = String(value);
    }
  }

  return normalized;
}

export function normalizeFormData(formData: unknown) {
  const normalized: Record<string, string> = {};

  if (!isObject(formData)) {
    return normalized;
  }

  for (const [key, value] of Object.entries(formData)) {
    if (!value) {
      normalized[key] = '';
    } else if (typeof value === 'object') {
      normalized[key] = Object.prototype.toString.call(value);
    } else {
      normalized[key] = String(value);
    }
  }

  return normalized;
}

export function normalizeMethod(method = 'GET') {
  if (method === '') {
    return 'POST';
  }

  const _method = method.toUpperCase();

  if (['GET', 'OPTIONS', 'HEAD', 'POST', 'PUT', 'DELETE', 'TRACE', 'CONNECT', 'PATCH'].includes(_method)) {
    return _method as HTTPMethod;
  }

  return 'GET';
}

export function normalizeTimeout(time: number | undefined, unlimited = false) {
  if (!time) return undefined;
  if (unlimited || (time > 0 && time <= 60e3)) return Math.ceil(time);
  return 60e3;
}

/**
 * modify url
 */
export function dirtyURL(url: string, method: HTTPMethod, data?: unknown) {
  if (['POST', 'PUT', 'PATCH'].includes(method)) return url;

  if (!isObject(data)) return url;

  const [baseUrl, search = ''] = url.split('?');

  // Parse existing query parameters
  const dataParams = new URLSearchParams(search);

  // Add new parameters from data object
  for (const [key, value] of Object.entries(data)) {
    if (value !== undefined && value !== null) {
      dataParams.append(key, String(value));
    }
  }

  const queryString = dataParams.toString();

  return queryString ? `${baseUrl}?${queryString}` : baseUrl;
}