# frozen_string_literal: true

require 'solidus_support/version'
require 'solidus_support/migration'
require 'solidus_support/legacy_event_compat'
require 'solidus_support/engine_extensions'
require 'solidus_core'

module SolidusSupport
  class << self
    def deprecator
      @deprecator ||= ActiveSupport::Deprecation.new(Gem::Version.new('1.0'), 'SolidusSupport')
    end

    def solidus_deprecator
      Spree.solidus_gem_version >= Gem::Version.new('4.2') ? Spree.deprecator : Spree::Deprecation
    end

    def solidus_gem_version
      deprecator.warn <<-WARN.squish, caller
        SolidusSupport.solidus_gem_version is deprecated and will be removed
        in solidus_support 1.0. Please use Spree.solidus_gem_version instead.
      WARN

      Spree.solidus_gem_version
    end

    def reset_spree_preferences_deprecated?
      first_version_without_reset = Gem::Requirement.new('>= 2.9')
      first_version_without_reset.satisfied_by?(Spree.solidus_gem_version)
    end

    def combined_first_and_last_name_in_address?
      versions_before_preference = Gem::Requirement.new('< 2.11.0')
      versions_after_preference = Gem::Requirement.new('>= 3.0.0.alpha')

      return false if versions_before_preference.satisfied_by?(Spree.solidus_gem_version)
      return true if versions_after_preference.satisfied_by?(Spree.solidus_gem_version)

      Spree::Config.use_combined_first_and_last_name_in_address
    end

    def new_gateway_code?
      deprecator.warn <<-WARN.squish, caller
        SolidusSupport.new_gateway_code? is deprecated without replacement and will be removed
        in solidus_support 1.0.
      WARN

      true
    end

    def payment_source_parent_class
      deprecator.warn <<-WARN.squish, caller
        SolidusSupport.payment_source_parent_class is deprecated and will be removed
        in solidus_support 1.0. Please use Spree::PaymentSource instead.
      WARN

      Spree::PaymentSource
    end

    def payment_method_parent_class(credit_card: false)
      if credit_card
        deprecator.warn <<-WARN.squish, caller
          SolidusSupport.payment_method_parent_class(credit_card: true) is deprecated and will be removed
          in solidus_support 1.0. Please use Spree::PaymentMethod::CreditCard instead.
        WARN

        Spree::PaymentMethod::CreditCard
      else
        deprecator.warn <<-WARN.squish, caller
          SolidusSupport.payment_method_parent_class(credit_card: false) is deprecated and will be removed
          in solidus_support 1.0. Please use Spree::PaymentMethod instead.
        WARN

        Spree::PaymentMethod
      end
    end

    def frontend_available?
      defined?(Spree::Frontend::Engine)
    end

    def backend_available?
      defined?(Spree::Backend::Engine)
    end

    def api_available?
      defined?(Spree::Api::Engine)
    end
  end
end