require 'couch/actions/base'
require 'couch/design_document'

require "rest_client"

module Couch
  module Actions
    class Push < Base
      def create_database_unless_exists
        RestClient.put DesignDocument.database, nil
        say "Created database %s" % DesignDocument.database
      rescue RestClient::PreconditionFailed
      end

      def push
        doc = DesignDocument.build_from_filesystem(destination_root)
        say "Pushing to %s" % DesignDocument.url

        resp = RestClient.put DesignDocument.url, doc.to_json
        response = JSON.parse(resp.body)

        if response["ok"]
          rev = response["rev"]
          File.open File.join(destination_root, "_rev.js"), "w" do |file|
           file << "#{rev}\n"
          end

          say "Pushed %s" % rev
        else
          say "Error occured: %s" % response.inspect
        end

      rescue RestClient::Conflict
        say "Conflict! Try to pull first or delete ./_rev."
      end
    end
  end
end