require "db/mongo/models/user"
require "app/api2/parsers/user"
require_relative "request_handler"

module Devops
  module API2_0
    module Handler
      class User < RequestHandler

        set_parser Devops::API2_0::Parser::UserParser

        def users
          Devops::Db.connector.users({}, fields: {password: false})
        end

        def create
          Devops::Db.connector.user_insert parser.create
        end

        def delete user_id
          projects = Devops::Db.connector.projects_by_user user_id
          if !projects.empty?
            str = ""
            projects.each do |p|
              p.deploy_envs.each do |e|
                str+="#{p.id}.#{e.identifier} " if e.users.include? user_id
              end
            end
            raise DependencyError.new "Deleting is forbidden: User is included in #{str}"
          end
          Devops::Db.connector.user_delete user_id
        end

        def change_user_privileges user_id
          cmd, privileges = parser.user_privileges
          change_user(user_id) do |user|
            user.grant(cmd, privileges)
          end
        end

        def change_email user_id
          change_user(user_id) do |user|
            user.email = parser.change_email
          end
        end

        def change_password user_id
          change_user(user_id) do |user|
            user.password = parser.change_password
          end
        end

        def change_user user_id
          user = Devops::Db.connector.user user_id
          yield(user)
          Devops::Db.connector.user_update user
        end
      end
    end
  end
end