module RaspbergAddress

# File lib/raspberg_address.rb, line 9
def add(nick:, text:, store:)
  parts = text.to_s.split(/\s*\|\s*/, 3)
  return { error: "Usage: !raspberg address add <name> | <phone> | <address>" } if parts.length < 3

  name, phone, address = parts.map(&:strip)
  return { error: "Name cannot be empty." } if name.empty?

  contacts = RaspbergAddressStore.load(nick: nick, store: store)
  if contacts.any? { |c| c["name"].to_s.casecmp(name).zero? }
    return { error: "Contact already exists: #{name}" }
  end

  contact = { "name" => name, "phone" => phone, "address" => address }
  contacts << contact
  contacts.sort_by! { |c| c["name"].to_s.downcase }
  RaspbergAddressStore.save(nick: nick, contacts: contacts, store: store)
  { contact: contact }
end

# File lib/raspberg_address.rb, line 47
def del(nick:, name:, store:)
  query = name.to_s.strip
  return { error: "Usage: !raspberg address del <name>" } if query.empty?

  contacts = RaspbergAddressStore.load(nick: nick, store: store)
  idx = contacts.index { |c| c["name"].to_s.casecmp(query).zero? }
  return { error: "No contact found: #{query}" } unless idx

  removed = contacts.delete_at(idx)
  RaspbergAddressStore.save(nick: nick, contacts: contacts, store: store)
  { contact: removed }
end

# File lib/raspberg_address.rb, line 60
def find_contact(nick:, name:, store:)
  RaspbergAddressStore.load(nick: nick, store: store).find do |c|
    c["name"].to_s.casecmp(name).zero?
  end
end

# File lib/raspberg_address.rb, line 38
def list(nick:, letter: nil, store:)
  contacts = RaspbergAddressStore.load(nick: nick, store: store)
  if letter && !letter.to_s.strip.empty?
    ch = letter.to_s.strip[0].upcase
    contacts = contacts.select { |c| c["name"].to_s[0]&.upcase == ch }
  end
  { contacts: contacts }
end

# File lib/raspberg_address.rb, line 28
def show(nick:, name:, store:)
  query = name.to_s.strip
  return { error: "Usage: !raspberg address show <name>" } if query.empty?

  contact = find_contact(nick: nick, name: query, store: store)
  return { error: "No contact found: #{query}" } unless contact

  { contact: contact }
end