client/src/components/Planner/PlaceFormModal.helpers.ts

export interface PlaceFormData {
  name: string
  description: string
  address: string
  lat: string
  lng: string
  category_id: string
  place_time: string
  end_time: string
  notes: string
  transport_mode: string
  website: string
  // Populated from a maps-search pick (not part of the initial blank form).
  phone?: string
  google_place_id?: string
  osm_id?: string
}

export function isGoogleMapsUrl(input: string): boolean {
  try {
    const { hostname, pathname } = new URL(input.trim())
    const h = hostname.toLowerCase()
    // maps.app.goo.gl, goo.gl/maps
    if (h === 'maps.app.goo.gl') return true
    if (h === 'goo.gl' && pathname.startsWith('/maps')) return true
    // maps.google.* (e.g. maps.google.com, maps.google.co.uk)
    // Must be maps.google.<tld> or maps.google.<sld>.<tld> — reject maps.google.evil.com
    if (/^maps\.google\.[a-z]{2,3}(\.[a-z]{2})?$/.test(h)) return true
    // google.*/maps (e.g. google.com/maps, www.google.co.uk/maps)
    const bare = h.startsWith('www.') ? h.slice(4) : h
    if (/^google\.[a-z]{2,3}(\.[a-z]{2})?$/.test(bare) && pathname.startsWith('/maps')) return true
    return false
  } catch {
    return false
  }
}

export const DEFAULT_FORM: PlaceFormData = {
  name: '',
  description: '',
  address: '',
  lat: '',
  lng: '',
  category_id: '',
  place_time: '',
  end_time: '',
  notes: '',
  transport_mode: 'walking',
  website: '',
}