# frozen_string_literal: true

module API
  class ProjectExport < Grape::API
    before do
      not_found! unless Gitlab::CurrentSettings.project_export_enabled?
      authorize_admin_project
    end

    params do
      requires :id, type: String, desc: "The ID of a project"
    end
    resource :projects, requirements: {id: %r{[^/]+}} do
      desc "Get export status" do
        detail "This feature was introduced in GitLab 10.6."
        success Entities::ProjectExportStatus
      end
      get ":id/export" do
        present user_project, with: Entities::ProjectExportStatus
      end

      desc "Download export" do
        detail "This feature was introduced in GitLab 10.6."
      end
      get ":id/export/download" do
        if user_project.export_file_exists?
          present_carrierwave_file!(user_project.export_file)
        else
          render_api_error!("404 Not found or has expired", 404)
        end
      end

      desc "Start export" do
        detail "This feature was introduced in GitLab 10.6."
      end
      params do
        optional :description, type: String, desc: "Override the project description"
        optional :upload, type: Hash do
          optional :url, type: String, desc: "The URL to upload the project"
          optional :http_method, type: String, default: "PUT", desc: "HTTP method to upload the exported project"
        end
      end
      post ":id/export" do
        project_export_params = declared_params(include_missing: false)
        after_export_params = project_export_params.delete(:upload) || {}

        export_strategy = if after_export_params[:url].present?
          params = after_export_params.slice(:url, :http_method).symbolize_keys

          Gitlab::ImportExport::AfterExportStrategies::WebUploadStrategy.new(params)
        end

        if export_strategy&.invalid?
          render_validation_error!(export_strategy)
        else
          user_project.add_export_job(current_user: current_user,
                                      after_export_strategy: export_strategy,
                                      params: project_export_params)
        end

        accepted!
      end
    end
  end
end