class BsRequestActionMaintenanceRelease < BsRequestAction
  #### Includes and extends
  include BsRequestAction::Differ
  include MaintenanceHelper

  #### Constants

  #### Self config

  #### Attributes

  #### Associations macros (Belongs to, Has one, Has many)
  before_create :sanity_check!
  before_create :check_limit_release_source_project

  #### Callbacks macros: before_save, after_save, etc.
  #### Scopes (first the default_scope macro if is used)
  #### Validations macros
  validates :source_project, :source_package, :target_project, presence: true
  validates :group_name, :person_name, :role, :target_releaseproject, absence: true

  #### Class methods using self. (public and then private)
  def self.sti_name
    :maintenance_release
  end

  #### To define class methods as private use private_class_method
  #### private
  #### Instance methods (public and then protected/private)
  def maintenance_release?
    true
  end

  def uniq_key
    "#{target_project}/#{target_package}"
  end

  def execute_accept(opts)
    pkg = Package.get_by_project_and_name(source_project, source_package)

    # have a unique time stamp for release
    opts[:acceptTimeStamp] ||= Time.now

    opts[:updateinfoIDs] = release_package(pkg, Project.get_by_name(target_project), target_package, { action: self })
    opts[:projectCommit] ||= {}
    opts[:projectCommit][target_project] = source_project

    # lock project when last package is released
    return if pkg.project.locked?

    f = pkg.project.flags.find_by_flag_and_status('lock', 'disable')
    pkg.project.flags.delete(f) if f # remove possible existing disable lock flag
    pkg.project.flags.create(status: 'enable', flag: 'lock')
    pkg.project.store(comment: 'maintenance_release request accepted')
  end

  def per_request_cleanup(opts)
    cleaned_projects = {}
    # log release events once in target project
    opts[:projectCommit].each do |tprj, sprj|
      commit_params = {
        requestid: bs_request.number,
        rev: 'latest',
        comment: "Releasing from project #{sprj}"
      }
      commit_params[:comment] += " the update #{opts[:updateinfoIDs].join(', ')}" if opts[:updateinfoIDs]
      Backend::Api::Sources::Project.commit(tprj, User.session&.login, commit_params)

      next if cleaned_projects[sprj]

      maintenance_release_cleanup(sprj)
      cleaned_projects[sprj] = 1
    end
    opts[:projectCommit] = {}
  end

  def check_permissions!
    sanity_check!
    check_limit_release_source_project

    # check for open release requests with same target, the binaries can't get merged automatically
    # either exact target package match or with same prefix (when using the incident extension)

    # patchinfos don't get a link, all others should not conflict with any other
    # FIXME2.4 we have a directory model
    xml = REXML::Document.new(Backend::Api::Sources::Package.files(source_project, source_package))
    rel = BsRequest.where(state: %i[new review]).joins(:bs_request_actions)
    rel = rel.where(bs_request_actions: { target_project: target_project })
    if xml.elements["/directory/entry/@name='_patchinfo'"]
      rel = rel.where(bs_request_actions: { target_package: target_package })
    else
      tpkgprefix = target_package.gsub(/\.[^.]*$/, '')
      rel = rel.where('bs_request_actions.target_package = ? or bs_request_actions.target_package like ?', target_package, "#{tpkgprefix}.%")
    end

    # run search
    open_ids = rel.select('bs_requests').pluck(:number)
    open_ids.delete(bs_request.number) if bs_request
    if open_ids.any?
      msg = "The following open requests have the same target #{target_project} / #{tpkgprefix}: " + open_ids.join(', ')
      raise OpenReleaseRequests, msg
    end

    # creating release requests is also locking the source package, therefore we require write access there.
    spkg = Package.find_by_project_and_name(source_project, source_package)
    return if spkg || !User.session!.can_modify?(spkg)

    raise LackingReleaseMaintainership, 'Creating a maintenance release request action requires maintainership in source package'
  end

  def fill_acceptinfo(ai)
    # packages in maintenance_release projects are expanded copies, so we can not use
    # the link information. We need to patch the "old" part
    base_package_name = target_package.gsub(/\.[^.]*$/, '')
    pkg = Package.find_by_project_and_name(target_project, base_package_name)
    if pkg
      opkg = pkg.origin_container
      if opkg.name != target_package || opkg.project.name != target_project
        ai['oproject'] = opkg.project.name
        ai['opackage'] = opkg.name
        ai['osrcmd5'] = opkg.backend_package.srcmd5
        ai['oxsrcmd5'] = opkg.backend_package.expandedmd5 if opkg.backend_package.expandedmd5
      end
    end
    self.bs_request_action_accept_info = BsRequestActionAcceptInfo.create(ai)
  end

  def create_post_permissions_hook
    spkg = Package.find_by_project_and_name(source_project, source_package)
    # we avoid patchinfo's to be able to complete meta data about the update
    return if spkg.patchinfo?

    return if spkg.enabled_for?('lock', nil, nil)

    spkg.check_write_access!(true)
    f = spkg.flags.find_by_flag_and_status('lock', 'disable')
    spkg.flags.delete(f) if f # remove possible existing disable lock flag
    spkg.flags.create(status: 'enable', flag: 'lock')
    spkg.store(comment: 'maintenance_release request')
  end

  def minimum_priority
    spkg = Package.find_by_project_and_name(source_project, source_package)
    return unless spkg && spkg.patchinfo?

    pi = Xmlhash.parse(spkg.patchinfo.document.to_xml)
    pi['rating']
  end

  def name
    "Release #{uniq_key}"
  end

  def short_name
    "Release #{source_package}"
  end

  private

  def sanity_check!
    # get sure that the releasetarget definition exists or we release without binaries
    prj = Project.get_by_name(source_project)
    prj.repositories.includes(:release_targets).find_each do |repo|
      raise RepositoryWithoutReleaseTarget, "Release target definition is missing in #{prj.name} / #{repo.name}" if repo.release_targets.empty?
      raise RepositoryWithoutArchitecture, "Repository has no architecture #{prj.name} / #{repo.name}" if repo.architectures.empty?

      repo.release_targets.each do |rt|
        repo.check_valid_release_target!(rt.target_repository)
      end
    end
  end

  def check_limit_release_source_project
    attrib = target_project_object&.attribs&.find_by(attrib_type: AttribType.find_by_namespace_and_name('OBS', 'LimitReleaseSourceProject'))
    return if attrib.blank?
    return if attrib.values.pluck(:value).include?(source_project)

    raise OutsideLimitReleaseSourceProject, 'Source project is not listed in OBS:LimitReleaseSourceProject attribute'
  end

  # Delaying removal of published repositories for accepted maintenance release requests,
  # gives some margin to the automated maintenance tests to be finished.
  def maintenance_release_cleanup(project_name)
    delay = CONFIG['maintenance_release_repositories_lifetime']
    set_options = delay ? { wait: delay.seconds } : {}
    PublishedRepositoriesCleanupJob.set(set_options).perform_later(project_name)
  end

  #### Alias of methods
end

# == Schema Information
#
# Table name: bs_request_actions
#
#  id                    :integer          not null, primary key
#  comments_count        :integer          default(0), not null, indexed
#  group_name            :string(255)
#  makeoriginolder       :boolean          default(FALSE)
#  person_name           :string(255)
#  role                  :string(255)
#  source_package        :string(255)      indexed
#  source_project        :string(255)      indexed
#  source_rev            :string(255)
#  sourceupdate          :string(255)
#  target_package        :string(255)      indexed
#  target_project        :string(255)      indexed
#  target_releaseproject :string(255)
#  target_repository     :string(255)
#  type                  :string(255)      indexed
#  updatelink            :boolean          default(FALSE)
#  created_at            :datetime
#  bs_request_id         :integer          indexed, indexed => [target_package_id], indexed => [target_project_id]
#  source_package_id     :integer          indexed
#  source_project_id     :integer          indexed
#  target_package_id     :integer          indexed => [bs_request_id], indexed
#  target_project_id     :integer          indexed => [bs_request_id], indexed
#
# Indexes
#
#  bs_request_id                                                    (bs_request_id)
#  index_bs_request_actions_on_bs_request_id_and_target_package_id  (bs_request_id,target_package_id)
#  index_bs_request_actions_on_bs_request_id_and_target_project_id  (bs_request_id,target_project_id)
#  index_bs_request_actions_on_comments_count                       (comments_count)
#  index_bs_request_actions_on_source_package                       (source_package)
#  index_bs_request_actions_on_source_package_id                    (source_package_id)
#  index_bs_request_actions_on_source_project                       (source_project)
#  index_bs_request_actions_on_source_project_id                    (source_project_id)
#  index_bs_request_actions_on_target_package                       (target_package)
#  index_bs_request_actions_on_target_package_id                    (target_package_id)
#  index_bs_request_actions_on_target_project                       (target_project)
#  index_bs_request_actions_on_target_project_id                    (target_project_id)
#  index_bs_request_actions_on_type                                 (type)
#
# Foreign Keys
#
#  bs_request_actions_ibfk_1  (bs_request_id => bs_requests.id)
#
