# This recipe contains Capistrano recipes for handling the uploads, ferret index and picture cache files while deploying your application.
# It also contains a ferret:rebuild_index task to rebuild the index after deploying your application.

Capistrano::Configuration.instance(:must_exist).load do
  
  after "deploy:setup", "alchemy:shared_folders:create"
  after "deploy:symlink", "alchemy:shared_folders:symlink"
  
  before "deploy:restart", "alchemy:files:copy"
  
  namespace :alchemy do

    namespace :shared_folders do

      # This task creates the shared folders for uploads, picture cache and ferret index while setting up your server.
      # Call after deploy:setup like +after "deploy:setup", "alchemy:create_shared_folders"+ in your +deploy.rb+.
      desc "Creates the uploads and picture cache directory in the shared folder. Call after deploy:setup"
      task :create, :roles => :app do
        run "mkdir -p #{shared_path}/index"
        run "mkdir -p #{shared_path}/uploads/pictures"
        run "mkdir -p #{shared_path}/uploads/attachments"
        run "mkdir -p #{shared_path}/cache/pictures"
      end

      # This task sets the symlinks for uploads, picture cache and ferret index folder.
      # Call after deploy:symlink like +after "deploy:symlink", "alchemy:symlink_folders"+ in your +deploy.rb+.
      desc "Sets the symlinks for uploads, picture cache and ferret index folder. Call after deploy:symlink"
      task :symlink, :roles => :app do
        run "rm -rf #{current_path}/uploads"
        run "ln -nfs #{shared_path}/uploads #{current_path}/"
        run "rm -rf #{current_path}/public/pictures"
        run "ln -nfs #{shared_path}/cache/pictures #{current_path}/public/"
        run "rm -rf #{current_path}/index"
        run "ln -nfs #{shared_path}/index #{current_path}/"
      end

    end

    namespace :files do

      desc "Copies all assets and migration files from Alchemy to project"
      task :copy do
        run "cd #{current_path} && RAILS_ENV=production #{rake} alchemy:assets:copy:all"
        run "cd #{current_path} && RAILS_ENV=production #{rake} alchemy:migrations:sync"
      end

    end

  	namespace :database_yml do

  		desc "Creates the database.yml file"
  	  task :create do
  	    db_config = ERB.new <<-EOF
  production:
    adapter: mysql
    encoding: utf8
    reconnect: false
    pool: 5
    database: #{ Capistrano::CLI.ui.ask("Database name: ") }
    username: #{ Capistrano::CLI.ui.ask("Database username: ") }
    password: #{ Capistrano::CLI.ui.ask("Database password: ") }
    socket: #{ Capistrano::CLI.ui.ask("Database socket: ") }
    host: #{ Capistrano::CLI.ui.ask("Database host: ") }
  EOF
  	    run "mkdir -p #{shared_path}/config"
  	    put db_config.result, "#{shared_path}/config/database.yml"
  	  end

  		desc "Symlinks the database.yml file from shared folder into config folder"
  		task :symlink, :except => { :no_release => true } do
        run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml" 
      end

  	end

  end

  namespace :ferret do

    # This task rebuilds the ferret index for the EssenceText and EssenceRichtext Models.
    # Call it before deploy:restart like +before "deploy:restart", "alchemy:rebuild_index"+ in your +deploy.rb+.
    # It uses the +alchemy:rebuild_index+ rake task found in +vendor/plugins/alchemy/lib/tasks+.
    desc "Rebuild the ferret index. Call before deploy:restart"
    task :rebuild_index, :roles => :app do
      run "cd #{current_path} && RAILS_ENV=production #{rake} ferret:rebuild_index"
    end

  end
  
end