#!/usr/bin/env ruby

libdir = File.expand_path("../lib", File.dirname(__FILE__))
$LOAD_PATH << libdir if File.exist?(File.join(libdir, "pleaserun", "user", "base.rb"))

require "pleaserun/user/base"
require "fileutils"
require "clamp"

# A PoC to do user management scripting
#
# This is targeted at fpm's `--after-install` and friends, but it is certainly
# not limited to that.
class PleaseRun::ManageUserCLI < Clamp::Command
  class ConfigurationError < StandardError; end
  option "--platform", "PLATFORM", "The platform to target ('linux', etc)", :default => "linux"
  option "--version", "VERSION", "The version of the platform to target"
  option "--output", "PATH", "The destination directory to write the management scripts", :required => true

  parameter "USERNAME", "The username to manage"

  def execute
    validate
    File.write(File.join(output, "installer.sh"), user.render_installer)
    File.write(File.join(output, "remover.sh"), user.render_remover)
  end

  def user
    return @user if @user
    @user = PleaseRun::User::Base.new
    @user.name = username
    @user.platform = platform
    @user.version = version
    return @user
  end

  def validate
    if File.exist?(output)
      if !File.directory?(output)
        raise ConfigurationError, "The output path exists but is not a directory. I cannot continue. Path is #{output}"
      end
    else
      FileUtils.mkdir_p(output)
    end
  end
end 

PleaseRun::ManageUserCLI.run