class ConferenceMeetingsController < ApplicationController
  require 'microsoft_graph'

  def show
    authorize broadcast = Broadcast.find(params[:broadcast_id])
    case broadcast.conference_option
    when 'zoom'
      redirect_to broadcast.zoom_meeting_url
    when 'ms_teams'
      if broadcast.conference_join_url.nil?
        begin
          graph_api = MicrosoftGraph.new(
              current_user,
              ENV['AZURE_CLIENT_ID'],
              ENV['AZURE_CLIENT_SECRET'],
              ENV['AZURE_TENANT_ID'],
              ENV['AZURE_SCOPES']
          )

          subject = "#{broadcast.name} Online Meeting"
          teams_meeting = graph_api.create_teams_meeting(subject)
          join_url = teams_meeting['joinUrl']

          if join_url.present?
            broadcast.conference_join_url = join_url
            broadcast.save
          else
            raise StandardError, 'Failed to read teams meeting join URL'
          end
        rescue ActionController::InvalidAuthenticityToken => e
          Rails.logger.error(e.message)
          redirect_to project_broadcast_url(broadcast.project, broadcast), alert: t('.alerts.not_authenticated')
          return
        rescue StandardError => e
          Rails.logger.error(e.message)
          redirect_to project_broadcast_url(broadcast.project, broadcast), alert: t('.alerts.failed_to_join')
          return
        end
      end
      redirect_to broadcast.conference_join_url
    else
      redirect_to project_broadcast_url(broadcast.project, broadcast), alert: t('.alerts.unknown_conference_option')
    end
  end
end