#!/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