import { describe, it, expect } from 'vitest';
import { normalizeUrl, isValidUrl } from '~/pages/Sources';

describe('normalizeUrl', () => {
  it('should prepend https:// when no scheme is provided', () => {
    expect(normalizeUrl('example.com')).toBe('https://example.com');
  });

  it('should not modify URLs that already have https://', () => {
    expect(normalizeUrl('https://example.com')).toBe('https://example.com');
  });

  it('should not modify URLs that already have http://', () => {
    expect(normalizeUrl('http://example.com')).toBe('http://example.com');
  });

  it('should trim whitespace before processing', () => {
    expect(normalizeUrl('  example.com  ')).toBe('https://example.com');
  });

  it('should return empty string for empty input', () => {
    expect(normalizeUrl('')).toBe('');
    expect(normalizeUrl('   ')).toBe('');
  });

  it('should handle URLs with paths', () => {
    expect(normalizeUrl('example.com/path/to/page')).toBe(
      'https://example.com/path/to/page',
    );
  });

  it('should handle URLs with www prefix', () => {
    expect(normalizeUrl('www.example.com')).toBe('https://www.example.com');
  });
});

describe('isValidUrl', () => {
  it('should return true for valid https URL', () => {
    expect(isValidUrl('https://example.com')).toBe(true);
  });

  it('should return true for valid http URL', () => {
    expect(isValidUrl('http://example.com')).toBe(true);
  });

  it('should return true for URL with path', () => {
    expect(isValidUrl('https://blog.example.com/post/123')).toBe(true);
  });

  it('should return false for URL without a dot in the hostname', () => {
    expect(isValidUrl('https://localhost')).toBe(false);
  });

  it('should return false for non-http protocols', () => {
    expect(isValidUrl('ftp://example.com')).toBe(false);
  });

  it('should return false for empty string', () => {
    expect(isValidUrl('')).toBe(false);
  });

  it('should return false for random text', () => {
    expect(isValidUrl('not a url')).toBe(false);
  });

  it('should return true for URLs with subdomains', () => {
    expect(isValidUrl('https://www.blog.example.com')).toBe(true);
  });

  it('should return true for URLs with query parameters', () => {
    expect(isValidUrl('https://example.com/search?q=test')).toBe(true);
  });

  it('should return true for URLs with port numbers', () => {
    expect(isValidUrl('https://example.com:8080')).toBe(true);
  });
});