#!/usr/bin/env ruby
require 'optparse'

lib = File.join(File.dirname(__FILE__), '..', 'lib', 'textmagic')

if File.exist?("#{lib}.rb")
  require lib
else
  require 'rubygems'
  require 'textmagic'
end

filename = File.join(ENV['HOME'], '.textmagic')
options = YAML.load_file(filename) if File.exist?(filename)
options ||= {}

parser = OptionParser.new do |opts|
  opts.banner = 'Usage:'
  opts.separator " "
  opts.separator [
    "tm account",
    'tm send PHONE[,PHONE2[,PHONE3 ...]] MESSAGE',
    'tm status MESSAGE_ID',
    'tm receive [LAST_RETREIVED_ID]',
    'tm delete MESSAGE_ID [MESSAGE_ID2 [MESSAGE_ID3 ...]]'
  ]

  opts.separator " "
  opts.separator "Specific options:"

  opts.on('-u', '--username USERNAME',
    "Specify your TextMagic API username (overrides ~/.textmagic setting)") do |username|
    options['username'] = username
  end

  opts.on('-p', '--password PASSWORD',
    "Specify your TextMagic API password (overrides ~/.textmagic setting)") do |password|
    options['password'] = password
  end

  opts.on_tail('-h', '--help', "Show this message") do
    puts opts
    exit
  end
end

parser.parse!

if ARGV.empty?
  puts parser
  exit
end

command = ARGV.shift

unless options['username']
  puts "Username not specified. Use --help option to find out details"
  exit 1
end

unless options['password']
  puts "Password not specified. Use --help option to find out details"
  exit 1
end

api = TextMagic::API.new(options['username'], options['password'])

begin
  case command
  when 'account'
    puts "Your account's balance: #{api.account.balance} credits"
  when 'send'
    unless phones = ARGV.shift
      puts "Phone number(s) and message not specified. Use --help option to find out details"
      exit 1
    end
    if (text = ARGV.join(' ')).empty?
      puts "Message not specified. Use --help option to find out details"
      exit 1
    end
    response = api.send(text, phones.split(','))
    puts "Sent text: #{response.sent_text}"
    puts "Parts: #{response.parts_count}"
    response.each do |phone, message_id|
      puts "Message id (#{phone}): #{message_id}"
    end
  when   'status'
    if ARGV.empty?
      puts "Message id(s) not specified. Use --help option to find out details"
      exit 1
    end
    api.status(ARGV).each do |message_id, status|
      puts "Status (#{message_id}): #{status}"
    end
  when   'receive'
    response = api.receive(ARGV.first)
    response.each do |message|
      puts "#{message} [#{message.message_id}, #{message.timestamp}]"
    end
    puts 'No new messages' if response.empty?
  when   'delete'
    api.delete(ARGV)
    puts 'Message(s) deleted'
  else
    puts "Unknown command #{command}. Use --help option to find out details"
    exit 1
  end
rescue TextMagic::API::Error => e
  puts e
  exit 1
end