#!/usr/bin/env ruby
require 'rafini'
using Rafini::Exception
using Rafini::Array

begin
  nogui, hlp, vrs = ARGV.any?('--no-gui'), ARGV.any?('-h', '--help'), ARGV.any?('-v', '--version')
  if nogui or hlp or vrs
    # Going to proceed on need only basis, which may break some conventions...

    # Get the version.
    require 'gtk2passwordapp/version'
    mod     = Gtk2passwordapp
    version = mod::VERSION
    if vrs
      puts version
      exit
    end

    vbs = ARGV.any?('-V', '--verbose')

    # Get the config.
    require 'xdg'
    require 'gtk2passwordapp/config'
    config  = mod::CONFIG
    if hlp and !vbs
      # Note that this will be the original help without any of the user's edit.
      puts config[:Help]
      exit
    end

    # Where are the user's data?
    require 'user_space'
    require 'yaml'
    UserSpace::OPTIONS[:parser] = YAML
    UserSpace::OPTIONS[:ext]    = 'yml'
    appdir  = mod::APPDIR
    appname = File.join 'gtk3app', mod.name.downcase
    user_space = UserSpace.new(appname: appname, appdir: appdir)
    user_space.install unless user_space.version == version
    user_space.configures(config)

    if hlp # and vbs
      # Presumably, the user may have edited the help and is requesting this version.
      puts config[:Help]
      exit
    end

    # It's possible that the password file it not there.
    pwd_file = config[:PwdFile]
    raise "Could not find passwords data file." unless File.exist? pwd_file

    # Going to get and verify the password.
    require 'io/console' # Standard library
    pwd0 = nil
    print 'Password: '
    pwd = $stdin.noecho(&:gets).strip
    while pwd != pwd0
      exit if pwd == ''
      pwd0 = pwd
      puts
      print 'Again: '
      pwd = $stdin.noecho(&:gets).strip
    end
    puts

    # Ready to read the passwords file.
    require 'yaml_zlib_blowfish'
    require 'gtk2passwordapp/account'
    require 'gtk2passwordapp/accounts'
    accounts = Gtk2passwordapp::Accounts.new(pwd_file, pwd)
    accounts.load

    # Does the user want a data dump?
    if ARGV.include? '--dump'
      puts
      # Remember that ARGV is at least ['--no-gui'].
      pattern = (ARGV.last[0]=='-')? nil : Regexp.new(ARGV.last)
      now = Time.now.to_i
      accounts.names.each do |name|
        next if pattern and not pattern=~name
        account = accounts.get(name)
        puts [account.name, account.username, account.password].join("\n\t")
        if vbs
          puts "\t" + account.url
          puts "\t" + account.note
          using Rafini::Odometers
          puts "\tUpdated " +  (now - account.updated).sec2time.to_s + ' ago.'
        end
        puts
      end
      exit
    end

    # Looks like the user just wants a particular password.
    # Get the account name.
    unless name = (ARGV.last[0]=='-')? nil : ARGV.last
      print 'Account Name: '
      name = $stdin.gets.strip
    end
    # Does the given account exist?
    raise "Could not find account \"#{name}\"." unless accounts.include?(name)

    # Put the password!
    account = accounts.get(name)
    password = account.password
    puts password

    # And we're done!
    exit
  end
rescue StandardError
  $!.puts
  exit 1
end

# Run gui!
require 'gtk3app'
ARGV.unshift 'gtk2passwordapp' # going to pretend to be gtk3app
Gtk3App.main