# frozen_string_literal: true

#  Copyright (c) 2023, Schweizer Wanderwege. This file is part of
#  hitobito and licensed under the Affero General Public License version 3
#  or later. See the COPYING file at the top-level directory or at
#  https://github.com/hitobito/hitobito.

class Invoices::ByArticleController < ListController
  self.nesting = Group

  def self.model_class
    Invoice
  end

  helper_method :from_date, :to_date

  def list_entries
    Invoice.where(id: invoice_ids).page(params[:page]).per(50)
  end

  private

  def invoice_ids
    collection = Payments::Collection.new
      .in_layer(group.id)
      .from(from_date)
      .to(to_date)
      .excluding_cancelled_invoices

    collection = case params[:type]&.to_sym
    when :deficit
      collection.of_non_fully_paid_invoices
    when :excess
      collection.of_overpaid_invoices
    else
      collection.having_invoice_item(params[:name],
        params[:account],
        params[:cost_center])
    end

    collection.payments.pluck(:invoice_id)
  end

  def from_date
    Date.parse(params[:from])
  rescue
    1.month.ago.to_date
  end

  def to_date
    Date.parse(params[:to])
  rescue
    Time.zone.today
  end

  def group
    @group ||= Group.find(params[:group_id])
  end

  def authorize_class
    authorize!(:index_invoices, group)
  end
end
