#!/usr/bin/env ruby

local_libs = [
 File.join(File.dirname(__FILE__), *%w[../lib/clickatell]),
 File.join(File.dirname(__FILE__), *%w[../lib/clickatell/utility]) 
]

if File.exist?(local_libs.first)
  local_libs.each { |lib| require lib }
else
  require 'rubygems'
  require 'clickatell'
  require 'clickatell/utility'
end

# parse command line options
options = Clickatell::Utility::Options.parse(ARGV)

# enable debugging if specified
Clickatell::API.debug_mode = true if options.debugging_enabled

# authenticate and load the API
api = Clickatell::API.authenticate(options.api_key, options.username, options.password)

begin
  if options.show_balance
    puts "Retrieving account balance..."
    puts "You have #{api.account_balance} credits remaining."
    exit 0
  elsif options.show_status
    puts "Getting status of message ##{options.message_id}."
    status = api.message_status(options.message_id)
    puts "Status: #{Clickatell::API::MessageStatus[status]} (##{status})."
    exit 0
  else
    puts "Sending '#{options.message}' to #{options.recipient}..."
    additional_opts = {}
    additional_opts[:from] = options.from if options.from
    msg_id = api.send_message(options.recipient, options.message, additional_opts)
    puts "Message sent successfully (message id: #{msg_id})."
    exit 0
  end
  
rescue Clickatell::API::Error => e
  case e.code
  when '001', '002', '003', '005', '108'
    puts "Authentication failed. Please check your username, password and API key and try again."
    exit 1
  when '004'
    puts "Your account has been frozen. Please contact Clickatell support."
    exit 1
  when '007'
    puts "Requests for this API key are not permitted from this IP address."
    exit 1
  else
    puts "Unexpected error occurred. #{e.message} (error code: #{e.code})."
    puts "Please contact the author (contact@lukeredpath.co.uk) with the above error."
    exit 1
  end
  
rescue Timeout::Error
  puts "The connection the the Clickatell service timed out"
  puts "Please check your network settings and try again."
  exit 1
end