require 'rubygems'
require 'bundler/setup'
require 'capistrano/ext/multistage'

set :application, "swarm"

set :stages, ["dev", "staging", "production"]
set :default_stage, "dev"

# no access to Perforce from the DMZ, so we have to file copy from the workspace
set :scm, :none
set :repository, "."
set :deploy_via, :copy
set :deploy_to, "/var/www/swarm"

# not shared hosting, sudo up
set :use_sudo, true
set :copy_exclude, [".git", ".DS_Store", ".gitignore", ".gitmodules", ".p4ignore", "Capfile", 
                    "config/deploy.rb", ".vagrant", "Vagrantfile", "config", "manifests",
                    "data", "perforce", "tests", "git-fusion", "collateral", "build", "build.xml", 
                    "packaging", "p4-doc", "logs", "Jamrules", "Gemfile", "Gemfile.lock"]
set :default_run_options, {:pty => true}

# only keep the last four releases on the server
set :keep_releases, 4

set :owner, "www-data:www-data"

before 'deploy:update', 'swarm:deploy_prep' 
after 'deploy:setup', 'swarm:setup'
after 'deploy:create_symlink', 'swarm:permissions:fix', "swarm:link_data", "swarm:setup_config", "apache:restart"

depend :remote, :command, "p4"
depend :remote, :command, "wget"
# TODO: verify the Apache vhost is setup

# swarm specific tasks
namespace :swarm do

  desc '[internal] generate the documentation and Version file'
  task :deploy_prep do
    run_locally "ant clean"
    run_locally "ant deploy -Ddoc.bld.dir='p4-doc/manuals/_build'"
    run_locally "ant get-version-file"
  end

  desc '[internal] we have to clean up the file permissions after setting up the directories'
  task :setup do
    run "#{sudo} mkdir -m 770 -p #{shared_path}/data"
    run "#{sudo} chown -R www-data:www-data #{deploy_to}"
  end

  desc '[internal] make sure ownership is correct after updating the files'
  namespace :permissions do
    task :fix do
      run "#{sudo} chown -R www-data:www-data #{latest_release}"
    end
  end

  desc "[internal] add a link to the shared path where we store the config information"
  task :link_data do
    run "ln -nfs #{shared_path}/data #{release_path}"
  end

  desc "setup the Swarm config file for this installation"
  task :setup_config do
    upload "data/#{stage}.config.php", "#{shared_path}/data/#{stage}.config.php"
    # setup the super password 
    run "cat #{shared_path}/data/spassword | p4 -p #{p4port} -u #{super_user} login -p | grep -v Enter > #{shared_path}/data/ticket.super"
    # reset password for swarm-user
    run "p4 -p #{p4port} -P `cat #{shared_path}/data/ticket.super` -u #{super_user} passwd -P `cat #{shared_path}/data/password` #{swarm_user} "
    # setup swarm-user ticket
    run "cat #{shared_path}/data/password | p4 -p #{p4port} -u #{swarm_user} login -p | grep -v Enter > #{shared_path}/data/ticket.swarm"
    run "cat #{shared_path}/data/#{stage}.config.php | sed \"s/ADMIN_TICKET/$(cat #{shared_path}/data/ticket.swarm)/\" > #{shared_path}/data/config.tmp"
    # then the super ticket
    run "cat #{shared_path}/data/config.tmp | sed \"s/SUPER_TICKET/$(cat #{shared_path}/data/ticket.super)/\" > #{shared_path}/data/config2.tmp"

    # put the config file in place
    run "#{sudo} chown www-data:www-data #{shared_path}/data/config2.tmp"
    run "mv -f #{shared_path}/data/config2.tmp #{shared_path}/data/config.php"
    
    run "rm #{shared_path}/data/ticket.* #{shared_path}/data/#{stage}.config.php #{shared_path}/data/config.tmp"
    
  end
 
end

# we need to restart Apache to pick up new versions of P4PHP
namespace :apache do

  desc 'restart Apache'
  task :restart do
    run "#{sudo} service apache2 restart"
  end

end