# 093: Contact Manager
# Store and organize contacts locally

state contacts = load "contacts" locally or []
state editing = null

# Add contact
form add_contact:
  input firstname -> new_contact.firstname
  input lastname -> new_contact.lastname
  input email -> new_contact.email
    validate: is_email
  input phone -> new_contact.phone
  input company -> new_contact.company

  button "Save Contact" -> save_contact(new_contact)

save_contact(contact):
  contact.id = generate_id()
  contact.created_at = now()
  contact.favorite = false

  contacts.append(contact)
  store contacts locally as "contacts"

  # Clear form
  new_contact = {}
  show "Contact saved"

# Edit contact
edit_contact(id):
  editing = contacts.find(c => c.id == id)

save_edit():
  contacts = contacts.map(c => {
    if c.id == editing.id:
      editing
    else:
      c
  })

  store contacts locally as "contacts"
  editing = null
  show "Contact updated"

# Delete contact
delete_contact(id):
  ask "Delete this contact?" -> confirm

  if confirm == "yes":
    contacts = contacts.filter(c => c.id != id)
    store contacts locally as "contacts"
    show "Contact deleted"

# Toggle favorite
toggle_favorite(id):
  contacts = contacts.map(c => {
    if c.id == id:
      { ...c, favorite: not c.favorite }
    else:
      c
  })

  store contacts locally as "contacts"

# Sort and filter
state sort_by = "lastname"
state show_favorites_only = false

computed sorted_contacts = contacts
  .filter(c => not show_favorites_only or c.favorite)
  .sort_by(c => c[sort_by])

# Export contacts
export_contacts():
  csv = ai.transform(contacts, { to: "csv" })
  save_file("contacts.csv", csv)
  show "Contacts exported"

# Import from phone (with consent)
import_from_phone():
  ask permission for: device.contacts
    purpose: "Import your phone contacts"

  if granted:
    with consent.record:
      phone_contacts = read_device_contacts()
      contacts = contacts.concat(phone_contacts)
      store contacts locally as "contacts"
      show "Imported {phone_contacts.length} contacts"

# Display
for contact in sorted_contacts:
  show_contact_card:
    name: "{contact.firstname} {contact.lastname}"
    email: contact.email
    phone: contact.phone
    company: contact.company
    favorite: contact.favorite
    on_favorite: () => toggle_favorite(contact.id)
    on_edit: () => edit_contact(contact.id)
    on_delete: () => delete_contact(contact.id)

generate_id():
  return now() + Math.random()