#
# This is a default deploy.rb
# it is included into the Rails 3 Basic Template by default.
#

require 'active_support'
require 'lib/deploy_helpers'

DEPLOY_CONFIG = YAML::load(File.open("#{Rails.root}/config/deploy.yml"))

default_run_options[:pty] = true
default_run_options[:max_hosts] = 2

# Make some defaults so we don't have to put everything in deploy.yml
set :use_sudo,    false
set :scm,         :git
set :deploy_via,  :remote_cache
set :application, DEPLOY_CONFIG['application']
set :repository,  DEPLOY_CONFIG['repository']

# Load recipes
DEPLOY_CONFIG['recipes'].split(',').each{ |r| require "#{r.chomp}" }

# Setup each location
DEPLOY_CONFIG['locations'].each_pair do |location, settings|

  task "#{location}" do
    settings.each_pair do |key, value|
      set key.to_sym, value
    end

    domain.to_s.split(',').each{ |d| role(:app, d) }
    domain.to_s.split(',').each{ |d| role(:web, d) }

    unless settings['db_server']
      domain.to_s.split(',').each{ |d| role(:db, d, :primary => true) }
    else
      role :db,  settings['db_server'], :primary => true, :no_release => true
    end

  end

end

after "deploy:update_code","deploy:symlink_configs"   # Symlink configuration files into the shared folder
after 'deploy:restart', 'deploy:cleanup'              # Make sure our releases don't get out of control.

namespace :deploy do

  # Symlink our database config and any other files in the "configs" list in deploy.yml
  task :symlink_configs, :roles => :app do

    configurations = DEPLOY_CONFIG['configs'].split(",")

    unless configurations.empty?
      configs = configurations.collect{ |file| "ln -nfs #{shared_path}/config/#{file} #{release_path}/config/#{file.chomp}" }
      run "mkdir -p #{shared_path}/config && cd #{release_path} && #{configs.join(" && ")}"
    end

    run "mkdir -p #{shared_path}/cache && cd #{release_path} && ln -nfs #{shared_path}/cache #{release_path}/tmp/cache"
    run "mkdir -p #{shared_path}/pids && cd #{release_path} && ln -nfs #{shared_path}/pids #{release_path}/tmp/pids"

    # If an asset path is defined, link that one to our system dir instead.
    if defined?(asset_path) && path_exists?("#{asset_path}")
      run "cd #{release_path} && ln -nfs #{asset_path} #{release_path}/public/system"
    else
      run "cd #{release_path} && ln -nfs #{shared_path}/system #{release_path}/public/system"
    end

  end

end