# frozen_string_literal: true

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

    feature_category :user_profile

    before { authenticate! }

    helpers ::API::Helpers::MembersHelpers

    helpers do
      params :invitation_params_ee do
        # Overriden in EE
      end
    end

    # rubocop: disable Cop/InjectEnterpriseEditionModule -- params helper needs to be included before the endpoints
    prepend_mod_with('API::Invitations')
    # rubocop: enable Cop/InjectEnterpriseEditionModule

    %w[group project].each do |source_type|
      params do
        requires :id, type: String, desc: "The #{source_type} ID"
      end
      resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
        desc 'Invite non-members by email address to a group or project.' do
          detail 'This feature was introduced in GitLab 13.6'
          success Entities::Invitation
          tags %w[invitations]
        end
        params do
          requires :access_level, type: Integer, values: ::API::Helpers::MembersHelpers.member_access_levels, desc: 'A valid access level (defaults: `30`, developer access level)'
          optional :email, type: Array[String], email_or_email_list: true, coerce_with: ::API::Validations::Types::CommaSeparatedToArray.coerce, desc: 'The email address to invite, or multiple emails separated by comma'
          optional :user_id, type: Array[String], coerce_with: ::API::Validations::Types::CommaSeparatedToArray.coerce, desc: 'The user ID of the new member or multiple IDs separated by commas.'
          optional :expires_at, type: DateTime, desc: 'Date string in the format YEAR-MONTH-DAY'
          optional :invite_source, type: String, desc: 'Source that triggered the member creation process', default: 'invitations-api'

          use :invitation_params_ee
        end
        post ":id/invitations", urgency: :low do
          ::Gitlab::QueryLimiting.disable!('https://gitlab.com/gitlab-org/gitlab/-/issues/354016')

          bad_request!('Must provide either email or user_id as a parameter') if params[:email].blank? && params[:user_id].blank?

          source = find_source(source_type, params[:id])

          authorize_invite_source_member!(source_type, source)

          create_service_params = declared_params.merge(source: source)

          ::Members::InviteService.new(current_user, create_service_params).execute
        end

        desc 'Get a list of group or project invitations viewable by the authenticated user' do
          detail 'This feature was introduced in GitLab 13.6'
          success Entities::Invitation
          is_array true
          tags %w[invitations]
        end
        params do
          optional :page, type: Integer, desc: 'Page to retrieve'
          optional :per_page, type: Integer, desc: 'Number of member invitations to return per page'
          optional :query, type: String, desc: 'A query string to search for members'
          use :pagination
        end
        get ":id/invitations" do
          source = find_source(source_type, params[:id])
          query = params[:query]

          authorize_admin_source_member!(source_type, source)

          invitations = paginate(retrieve_member_invitations(source, query))

          present_member_invitations invitations
        end

        desc 'Updates a group or project invitation.' do
          success Entities::Invitation
          tags %w[invitations]
        end
        params do
          requires :email, type: String, desc: 'The email address of the invitation'
          optional :access_level, type: Integer, values: Gitlab::Access.all_values, desc: 'A valid access level (defaults: `30`, developer access level)'
          optional :expires_at, type: DateTime, desc: 'Date string in ISO 8601 format (`YYYY-MM-DDTHH:MM:SSZ`)'

          use :invitation_params_ee
        end
        put ":id/invitations/:email", requirements: { email: %r{[^/]+} } do
          source = find_source(source_type, params.delete(:id))
          invite_email = params[:email]

          authorize_admin_source_member!(source_type, source)

          invite = retrieve_member_invitations(source, invite_email).first
          not_found! unless invite

          update_params = declared_params(include_missing: false)
          update_params.delete(:email)
          bad_request! unless update_params.any?

          result = ::Members::UpdateService
            .new(current_user, update_params.merge({ source: source }))
            .execute(invite)

          updated_member = result[:members].first

          if result[:status] == :success
            present_member_invitations updated_member
          else
            render_validation_error!(updated_member)
          end
        end

        desc 'Removes an invitation from a group or project.' do
          success code: 204
          failure [
            { code: 403, message: 'Forbidden' },
            { code: 404, message: 'Not found' },
            { code: 409, message: 'Could not delete invitation' }
          ]
          tags %w[invitations]
        end
        params do
          requires :email, type: String, desc: 'The email address of the invitation'
        end
        delete ":id/invitations/:email", requirements: { email: %r{[^/]+} } do
          source = find_source(source_type, params[:id])
          invite_email = params[:email]

          authorize_admin_source_member!(source_type, source)

          invite = retrieve_member_invitations(source, invite_email).first
          not_found! unless invite

          destroy_conditionally!(invite) do
            ::Members::DestroyService.new(current_user, params).execute(invite)
            unprocessable_entity! unless invite.destroyed?
          end
        end
      end
    end
  end
end
