# == Schema Information
#
# Table name: orders
#
#  id                  :integer          not null, primary key
#  eid                 :string(255)
#  location_id         :integer
#  customer_id         :integer
#  created_at          :datetime
#  creator_client_id   :integer
#  created_by          :string(255)
#  service_type        :string(255)
#  expected_time       :datetime
#  confirmed_time      :datetime
#  status              :string(255)
#  customer_notes      :text(65535)
#  total               :string(255)
#  total_discrepancy   :string(255)
#  c_email             :string(255)
#  c_first_name        :string(255)
#  c_last_name         :string(255)
#  c_company_name      :string(255)
#  c_phone             :string(255)
#  c_address_1         :string(255)
#  c_address_2         :string(255)
#  c_postal_code       :string(255)
#  c_city              :string(255)
#  c_state             :string(255)
#  c_country           :string(255)
#  c_latitude          :decimal(9, 6)
#  c_longitude         :decimal(9, 6)
#  c_delivery_notes    :text(65535)
#  payment_discrepancy :string(255)
#
# Indexes
#
#  index_orders_on_customer_id  (customer_id)
#  index_orders_on_location_id  (location_id)
#

class HrOrder < HrModel
  self.table_name = 'orders'

  STATUSES = [
    NEW_STATUS                 = 'new',
    RECEIVED_STATUS            = 'received',
    ACCEPTED_STATUS            = 'accepted',
    IN_PREPARATION_STATUS      = 'in_preparation',
    AWAITING_SHIPMENT_STATUS   = 'awaiting_shipment',
    AWAITING_COLLECTION_STATUS = 'awaiting_collection',
    IN_DELIVERY_STATUS         = 'in_delivery',
    COMPLETED_STATUS           = 'completed',
    REJECTED_STATUS            = 'rejected',
    CANCELLED_STATUS           = 'cancelled',
    DELIVERY_FAILED_STATUS     = 'delivery_failed',
  ]

  belongs_to :hr_location, foreign_key: :location_id
  belongs_to :hr_customer, foreign_key: :customer_id

  has_one    :hr_account, through: :hr_location

  with_options foreign_key: :order_id, dependent: :destroy, inverse_of: :hr_order do
    has_many :hr_order_deals
    has_many :hr_order_items
    has_many :hr_order_charges
    has_many :hr_order_discounts
    has_many :hr_order_payments
    has_many :hr_loyalty_operations
    has_many :hr_private_refs, class_name: HrOrderPrivateRef
  end

  has_many :hr_connection_logs, as: :resource

  belongs_to :hr_client, foreign_key: :creator_client_id

  accepts_nested_attributes_for :hr_order_items,
                                :hr_order_charges,
                                :hr_order_deals,
                                :hr_order_discounts,
                                :hr_order_payments,
                                :hr_private_refs,
                                :hr_loyalty_operations

  money_accessor :total
  money_accessor :total_discrepancy
  money_accessor :payment_discrepancy

  validates :total, money: true

  validates_presence_of   :hr_location
  validates_inclusion_of  :status, in: STATUSES
  validates_length_of :c_email,
                      :c_first_name,
                      :c_last_name,
                      :c_company_name,
                      :c_phone,
                      :c_address_1,
                      :c_address_2,
                      :c_postal_code,
                      :c_city,
                      :c_state,
                      :c_country, maximum: 255
  validates_length_of :customer_notes,
                      :c_delivery_notes, maximum: 65355

  include PrivateReferable
  scope :with_private_ref, ->(hr_client, hr_location, private_ref) {
    joins(:hr_private_refs).where(
      'order_private_refs.client_id = ? && order_private_refs.location_id = ? && order_private_refs.private_ref = ?',
      hr_client.id, hr_location.id, private_ref
    )
  }

  delegate :hr_observing_callbacks, to: :hr_location
  delegate :currency, to: :hr_account

  def recalculate_total
    items_total   = hr_order_items.map(&:subtotal_m).inject(hr_location.hr_account.null_money, &:+)
    charges_total = hr_order_charges.map(&:charge_price_m).inject(hr_location.hr_account.null_money, &:+)

    total = items_total + charges_total

    final_total = hr_order_discounts.inject(total) do |total, hr_order_discount|
      hr_order_discount.discount.apply(total)
    end

    self.total = final_total.to_s
  end
end