# Legacy tickets controller - redirects to new order system
#
# This controller now primarily handles legacy redirects and backward compatibility
# Most ticket creation functionality has been moved to OrdersController
class TicketsController < ApplicationController
  before_action :authenticate_user!, only: [ :payment_success, :payment_cancel, :show, :download_ticket ]
  before_action :set_event, only: [ :checkout, :retry_payment ]


  # Redirect to order-based checkout
  def checkout
    # Check for draft order
    if session[:draft_order_id].present?
      order = current_user.orders.find_by(id: session[:draft_order_id], status: "draft")
      if order.present?
        redirect_to order_checkout_path(order)
        return
      end
    end

    # No order found
    @event = Event.includes(:ticket_types).find(params[:id])
    redirect_to event_path(@event.slug, @event), alert: "Aucun billet en attente de paiement"
  end

  # Redirect to order-based payment success
  def payment_success
    redirect_to order_payment_success_path(session_id: params[:session_id])
  end

  # Redirect to order-based payment cancel
  def payment_cancel
    redirect_to order_payment_cancel_path
  end

  # Redirect retry payment to order system
  def retry_payment
    @event = Event.includes(:ticket_types).find(params[:id])

    # Look for draft order for this event
    order = current_user.orders.find_by(event: @event, status: "draft")

    if order&.can_retry_payment?
      redirect_to retry_payment_order_path(order)
    else
      redirect_to event_path(@event.slug, @event),
                 alert: "Aucune commande disponible pour un nouveau paiement"
    end
  end

  # Display ticket details
  def show
    @ticket = Ticket.joins(order: :user).includes(:event, :ticket_type, order: :user).find_by(
      tickets: { id: params[:ticket_id] },
      orders: { user_id: current_user.id }
    )
    @event = @ticket.event
  rescue ActiveRecord::RecordNotFound
    redirect_to dashboard_path, alert: "Billet non trouvé"
  end

  # Download PDF ticket - only accessible by ticket owner
  # User must be authenticated to download ticket
  # TODO: change ID to an unique identifier (UUID)
  def download_ticket
    # Find ticket and ensure it belongs to current user
    @ticket = Ticket.joins(order: :user).includes(:event, :ticket_type, order: :user).find_by(
      tickets: { id: params[:ticket_id] },
      orders: { user_id: current_user.id }
    )

    if @ticket.nil?
      redirect_to dashboard_path, alert: "Billet non trouvé ou vous n'avez pas l'autorisation d'accéder à ce billet"
      return
    end

    # Generate PDF
    pdf_content = @ticket.to_pdf

    # Send PDF as download
    send_data pdf_content,
              filename: "ticket_#{@ticket.id}_#{@ticket.event.name.parameterize}.pdf",
              type: "application/pdf",
              disposition: "attachment"
  rescue ActiveRecord::RecordNotFound
    redirect_to dashboard_path, alert: "Billet non trouvé"
  rescue => e
    Rails.logger.error "Error generating ticket PDF: #{e.message}"
    redirect_to dashboard_path, alert: "Erreur lors de la génération du billet"
  end

  private

  def set_event
    event_id = params[:id] || session[:event_id]

    Rails.logger.debug "TicketsController#set_event - params[:id]: #{params[:id].inspect}, session[:event_id]: #{session[:event_id].inspect}"

    unless event_id
      Rails.logger.error "TicketsController#set_event - No event ID found"
      redirect_to events_path, alert: "Aucun événement spécifié"
      return
    end

    @event = Event.includes(:ticket_types).find(event_id)
    Rails.logger.debug "TicketsController#set_event - Found event: #{@event.id} - #{@event.name}"
  rescue ActiveRecord::RecordNotFound
    Rails.logger.error "TicketsController#set_event - Event not found with ID: #{event_id}"
    redirect_to events_path, alert: "Événement non trouvé"
  end
end