#!/usr/bin/env ruby
Signal.trap(:INT){ abort "\n(interrupted by SIGINT)" }

paste = ARGF.read
$stdin = open "/dev/tty"
puts "paste size: #{paste.size}"
require_relative "../lib/paster"
paster = Paster paste

require "tty-prompt"
begin
  services = {
    "burn after reading": ["burn"],
    "5 minutes": [5],
    "1 hour": [60, 3600],
    "1 day": [1440, 86400],
    "3 days": [nil, 259200],
    "1 week": [10080],
    "1 month": [40320],
    "3 months": [nil, 7776000],
    "1 year": [483840],
    "keep forever": [0, -1],
  }.map{ |name, value|
    paster = paster.dup
    paster.expire = value
    size = paster.services.size
    size.zero? ?
      [size, {name: "#{name}", value: paster, disabled: "(no pastebins)"}] :
      [size, {name: "#{name} (#{size})", value: paster}]
  }
  abort "no pastebin for such size" if services.all?{ |__, _| _[:disabled] }   # TODO: better error message
  # otherwise tty-prompt fails with an unhandled exception, lol
  TTY::Prompt.new.select "expiration:", services.map(&:last),
    default: services.max_by(&:first).last[:name],
    filter: true, cycle: true, per_page: 100
rescue TTY::Reader::InputInterrupt
  abort ""  # we don't use TTY::Prompt.new(interrupt: :exit) because it does not finish the line
end.paste