require "commands/deploy"
require "commands/status"
require "workers/deploy_worker"

module Devops
  module Version2_0
    module Handler
      class Deploy
        extend DeployCommands
        extend StatusCommands

        def self.deploy
          lambda {
            r = create_object_from_json_body
            names = check_array(r["names"], "Parameter 'names' should be a not empty array of strings")
            tags = check_array(r["tags"], "Parameter 'tags' should be an array of strings", String, true) || []

            servers = settings.mongo.servers(nil, nil, names, true)
            halt(404, "No reserved servers found for names '#{names.join("', '")}'") if servers.empty?
            keys = {}
            servers.sort_by!{|s| names.index(s.chef_node_name)}
            if r.key?("trace")
              stream() do |out|
                status = []
                begin
                  servers.each do |s|
                    project = begin
                      settings.mongo.check_project_auth s.project, s.deploy_env, request.env['REMOTE_USER']
                    rescue InvalidPrivileges, RecordNotFound  => e
                      out << e.message + "\n"
                      status.push 2
                      next
                    end
                    res = deploy_server_proc.call(out, s, settings.mongo, tags)
                    status.push(res)
                  end
                  out << create_status(status)
                rescue IOError => e
                  logger.error e.message
                  break
                end
              end # stream
            else
              dir = DevopsService.config[:report_dir_v2]
              files = []
              uri = URI.parse(request.url)
              servers.each do |s|
                project = begin
                  settings.mongo.check_project_auth s.project, s.deploy_env, request.env['REMOTE_USER']
                rescue InvalidPrivileges, RecordNotFound  => e
                  next
                end
                jid = DeployWorker.perform_async(dir, s.to_hash, tags, request.env['REMOTE_USER'], DevopsService.config)
                logger.info "Job '#{jid}' has been started"
                uri.path = "#{DevopsService.config[:url_prefix]}/v2.0/report/" + jid
                files.push uri.to_s
              end
              sleep 1
              json files
            end
          }
        end
      end
    end
  end
end