module Admin
  class BillingController < BaseController
    def index
      @pending_payments = pending_scope.recent
      @pending_transfers = transfer_scope
      @completed_payments = Billing::Payment.with_invoice_pdf.includes(:club, :invoice).recent.limit(40)
      @filter_club = Club.find_by(id: params[:club_id]) if params[:club_id].present?
      @clubs = Club.order(:name)
    end

    def attach_pdf
      payment = Billing::Payment.find(params[:payment_id])
      Billing::AttachPaymentInvoice.call(payment: payment, pdf: params[:pdf])
      redirect_to admin_billing_path(billing_redirect_params(payment)),
                  notice: t("admin.flash.invoice_uploaded", email: payment.club.billing_email)
    rescue Billing::AttachPaymentInvoice::Error, Billing::IssueInvoice::Error => e
      payment ||= Billing::Payment.find_by(id: params[:payment_id])
      redirect_to admin_billing_path(payment ? billing_redirect_params(payment) : {}),
                  alert: e.message
    end

    def confirm_transfer
      order = Billing::TransferOrder.find(params[:id])
      Billing::ConfirmBankTransfer.call(
        order: order,
        admin: current_admin_account,
        pdf: params[:pdf]
      )
      redirect_to admin_billing_path(club_id: order.club_id),
                  notice: t("admin.flash.transfer_confirmed", plan: order.plan.name, club: order.club.name)
    rescue Billing::ConfirmBankTransfer::Error, Billing::AttachPaymentInvoice::Error, Billing::IssueInvoice::Error => e
      redirect_to admin_billing_path, alert: e.message
    end

    def cancel_transfer
      order = Billing::TransferOrder.find(params[:id])
      order.cancel!
      redirect_to admin_billing_path(club_id: order.club_id), notice: t("admin.flash.transfer_cancelled")
    end

    private

    def pending_scope
      scope = Billing::Payment.awaiting_invoice_pdf.includes(:club, invoice: { pdf_attachment: :blob })
      scope = scope.where(club_id: params[:club_id]) if params[:club_id].present?
      scope
    end

    def transfer_scope
      scope = Billing::TransferOrder.awaiting_payment.includes(:club, :requested_by_user)
      scope = scope.where(club_id: params[:club_id]) if params[:club_id].present?
      scope
    end

    def billing_redirect_params(payment)
      { club_id: payment.club_id, anchor: "payment-#{payment.id}" }.compact
    end
  end
end