# frozen_string_literal: true

require_relative 'account'
require_relative 'currency'
require_relative 'customer'
require_relative 'department'
require_relative 'expense_line_item'
require_relative 'vendor'

module LedgerSync
  class Expense < LedgerSync::Resource
    attribute :memo, type: Type::String
    attribute :payment_type, type: Type::String
    attribute :transaction_date, type: Type::Date
    attribute :exchange_rate, type: Type::Float
    attribute :reference_number, type: Type::String

    references_one :entity, to: [Customer, Vendor]
    references_one :account, to: Account
    references_one :department, to: Department
    references_one :currency, to: Currency

    references_many :line_items, to: ExpenseLineItem

    def amount
      line_items.map(&:amount).sum
    end

    def name
      "Purchase: #{amount} #{currency.try(:symbol)}"
    end
  end
end