module Ecom
  module Core
    class LookaheadPlan < ApplicationRecord
      include AASM

      belongs_to :prepared_by, class_name: 'Ecom::Core::User'
      has_many :lookahead_plan_review_times
      has_many :lookahead_plan_histories
      has_and_belongs_to_many :tasks, join_table: 'ecom_core_lookahead_plan_backlogs'

      validates :name, :start_date, :end_date, :status,
                :prepared_by_id, :prepared_by, presence: true

      validates :revision_number, numericality: { greater_than_or_equal_to: 0 }
      validates :lead_time, presence: true, numericality: { greater_than_or_equal_to: 1 }

      aasm column: 'status' do
        state :new, initial: true
        state :in_progress
        state :in_review
        state :completed

        event :start do
          transitions from: :new, to: :in_progress, guard: -> { status == 'new' }
        end

        event :review do
          transitions from: :in_progress, to: :in_review, guard: -> { status == 'in_progress' }
        end

        event :continue do
          transitions from: :in_review, to: :in_progress, guard: -> { status == 'in_review' }
        end

        event :complete do
          transitions from: :in_review, to: :completed, guard: -> { status == 'in_review' }
        end
      end
    end
  end
end