# frozen_string_literal: true

module API
  class PackageFiles < ::API::Base
    include PaginationParams

    before do
      authorize_packages_access!(user_project)
    end

    feature_category :package_registry

    helpers ::API::Helpers::PackagesHelpers

    params do
      requires :id, type: String, desc: 'The ID of a project'
      requires :package_id, type: Integer, desc: 'The ID of a package'
    end
    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
      desc 'Get all package files' do
        detail 'This feature was introduced in GitLab 11.8'
        success ::API::Entities::PackageFile
      end
      params do
        use :pagination
      end
      get ':id/packages/:package_id/package_files' do
        package = ::Packages::PackageFinder
          .new(user_project, params[:package_id]).execute

        package_files = if Feature.enabled?(:packages_installable_package_files, default_enabled: :yaml)
                          package.installable_package_files
                        else
                          package.package_files
                        end

        package_files = package_files.preload_pipelines

        present paginate(package_files), with: ::API::Entities::PackageFile
      end

      desc 'Remove a package file' do
        detail 'This feature was introduced in GitLab 13.12'
      end
      params do
        requires :package_file_id, type: Integer, desc: 'The ID of a package file'
      end
      delete ':id/packages/:package_id/package_files/:package_file_id' do
        authorize_destroy_package!(user_project)

        # We want to make sure the file belongs to the declared package
        # so we look up the package before looking up the file.
        package = ::Packages::PackageFinder
          .new(user_project, params[:package_id]).execute

        not_found! unless package

        package_files = if Feature.enabled?(:packages_installable_package_files, default_enabled: :yaml)
                          package.installable_package_files
                        else
                          package.package_files
                        end

        package_file = package_files.find_by_id(params[:package_file_id])

        not_found! unless package_file

        destroy_conditionally!(package_file) do |package_file|
          package_file.pending_destruction!
        end
      end
    end
  end
end