begin
  require 'mongoid'
  require_relative 'test_helper'
  require_relative '../lib/symmetric_encryption/extensions/mongoid/encrypted'
  ENV['RACK_ENV'] = 'test'

  Mongoid.logger = SemanticLogger[Mongoid]
  filename = defined?(Mongoid::VERSION) ? "test/config/mongoid_v3.yml" : "test/config/mongoid_v2.yml"
  Mongoid.load!(filename)

  class MongoidUser
    include Mongoid::Document

    field :name,                             type: String
    field :encrypted_bank_account_number,    type: String,  encrypted: true
    field :encrypted_social_security_number, type: String,  encrypted: true
    field :encrypted_string,                 type: String,  encrypted: {random_iv: true}
    field :encrypted_long_string,            type: String,  encrypted: {random_iv: true, compress: true}

    field :encrypted_integer_value,          type: String, encrypted: {type: :integer}
    field :aiv,                              type: String, encrypted: {type: :integer, decrypt_as: :aliased_integer_value}
    field :encrypted_float_value,            type: String, encrypted: {type: :float}
    field :encrypted_decimal_value,          type: String, encrypted: {type: :decimal}
    field :encrypted_datetime_value,         type: String, encrypted: {type: :datetime}
    field :encrypted_time_value,             type: String, encrypted: {type: :time}
    field :encrypted_date_value,             type: String, encrypted: {type: :date}
    field :encrypted_true_value,             type: String, encrypted: {type: :boolean}
    field :encrypted_false_value,            type: String, encrypted: {type: :boolean}
    field :encrypted_data_yaml,              type: String, encrypted: {random_iv: true, compress: true, type: :yaml}
    field :encrypted_data_json,              type: String, encrypted: {random_iv: true, compress: true, type: :json}

    validates :encrypted_bank_account_number,    symmetric_encryption: true
    validates :encrypted_social_security_number, symmetric_encryption: true
  end

  #
  # Unit Tests for field encrypted and validation aspects of SymmetricEncryption
  #
  class MongoidTest < Minitest::Test
    context 'Mongoid' do
      setup do
        @bank_account_number = "1234567890"
        @bank_account_number_encrypted = "QEVuQwIAL94ArJeFlJrZp6SYsvoOGA=="

        @social_security_number = "987654321"
        @social_security_number_encrypted = "QEVuQwIAS+8X1NRrqdfEIQyFHVPuVA=="

        @integer = 32768
        @integer_encrypted = "FA3smFQEKqB/ITv+A0xACg=="

        @float = 0.9867
        @float_encrypted = "z7Pwt2JDp74d+u0IXFAdrQ=="

        @date = Date.parse('20120320')
        @date_encrypted = "WTkSPHo5ApSSHBJMxxWt2A=="

        @string = "A string containing some data to be encrypted with a random initialization vector"
        @long_string = "A string containing some data to be encrypted with a random initialization vector and compressed since it takes up so much space in plain text form"

        @integer_value = 12
        @float_value = 88.12345
        @decimal_value = BigDecimal.new("22.51")
        @datetime_value = DateTime.new(2001, 11, 26, 20, 55, 54, "-5")
        @time_value = Time.new(2013, 01, 01, 22, 30, 00, "-04:00")
        @date_value = Date.new(1927, 04, 02)
        @h = { a: 'A', b: 'B' }

        @user = MongoidUser.new(
          encrypted_bank_account_number:   @bank_account_number_encrypted,
          encrypted_social_security_number: @social_security_number_encrypted,
          name:                            "Joe Bloggs",
          # data type specific fields
          integer_value:                   @integer_value,
          aliased_integer_value:           @integer_value,
          float_value:                     @float_value,
          decimal_value:                   @decimal_value,
          datetime_value:                  @datetime_value,
          time_value:                      @time_value,
          date_value:                      @date_value,
          true_value:                      true,
          false_value:                     false,
          data_yaml:                       @h.dup,
          data_json:                       @h.dup
        )
      end

      should "have encrypted methods" do
        assert_equal true, @user.respond_to?(:encrypted_bank_account_number)
        assert_equal true, @user.respond_to?(:encrypted_social_security_number)
        assert_equal true, @user.respond_to?(:encrypted_string)
        assert_equal true, @user.respond_to?(:encrypted_long_string)
        assert_equal false, @user.respond_to?(:encrypted_name)

        assert_equal true, @user.respond_to?(:encrypted_bank_account_number=)
        assert_equal true, @user.respond_to?(:encrypted_social_security_number=)
        assert_equal true, @user.respond_to?(:encrypted_string=)
        assert_equal true, @user.respond_to?(:encrypted_long_string=)
        assert_equal false, @user.respond_to?(:encrypted_name=)
      end

      should "have unencrypted methods" do
        assert_equal true, @user.respond_to?(:bank_account_number)
        assert_equal true, @user.respond_to?(:social_security_number)
        assert_equal true, @user.respond_to?(:string)
        assert_equal true, @user.respond_to?(:long_string)
        assert_equal true, @user.respond_to?(:name)

        assert_equal true, @user.respond_to?(:bank_account_number=)
        assert_equal true, @user.respond_to?(:social_security_number=)
        assert_equal true, @user.respond_to?(:string=)
        assert_equal true, @user.respond_to?(:long_string=)
        assert_equal true, @user.respond_to?(:name=)
      end

      should "support aliased fields" do
        assert_equal true, @user.respond_to?(:aliased_integer_value=)
        assert_equal true, @user.respond_to?(:aliased_integer_value)
      end

      should "have unencrypted values" do
        assert_equal @bank_account_number, @user.bank_account_number
        assert_equal @social_security_number, @user.social_security_number
      end

      should "have encrypted values" do
        assert_equal @bank_account_number_encrypted, @user.encrypted_bank_account_number
        assert_equal @social_security_number_encrypted, @user.encrypted_social_security_number
      end

      should "support same iv" do
        @user.social_security_number = @social_security_number
        assert first_value = @user.social_security_number
        # Assign the same value
        @user.social_security_number = @social_security_number
        assert_equal first_value, @user.social_security_number
      end

      should "support a random iv" do
        @user.string = @string
        assert first_value = @user.encrypted_string
        # Assign the same value
        @user.string = @string.dup
        assert_equal true, first_value != @user.encrypted_string
      end

      should "support a random iv and compress" do
        @user.string = @long_string
        @user.long_string = @long_string

        assert_equal true, (@user.encrypted_long_string.length.to_f / @user.encrypted_string.length) < 0.8
      end

      should "encrypt" do
        user = MongoidUser.new
        user.bank_account_number = @bank_account_number
        assert_equal @bank_account_number, user.bank_account_number
        assert_equal @bank_account_number_encrypted, user.encrypted_bank_account_number
      end

      should "all paths should lead to the same result" do
        assert_equal @bank_account_number_encrypted, (@user.encrypted_social_security_number = @bank_account_number_encrypted)
        assert_equal @bank_account_number, @user.social_security_number
      end

      should "all paths should lead to the same result 2" do
        assert_equal @bank_account_number, (@user.social_security_number = @bank_account_number)
        assert_equal @bank_account_number_encrypted, @user.encrypted_social_security_number
      end

      should "all paths should lead to the same result, check uninitialized" do
        user = MongoidUser.new
        assert_equal nil, user.social_security_number
        assert_equal @bank_account_number, (user.social_security_number = @bank_account_number)
        assert_equal @bank_account_number, user.social_security_number
        assert_equal @bank_account_number_encrypted, user.encrypted_social_security_number

        assert_equal nil, (user.social_security_number = nil)
        assert_equal nil, user.social_security_number
        assert_equal nil, user.encrypted_social_security_number
      end

      should "allow unencrypted values to be passed to the constructor" do
        user = MongoidUser.new(bank_account_number: @bank_account_number, social_security_number: @social_security_number)
        assert_equal @bank_account_number, user.bank_account_number
        assert_equal @social_security_number, user.social_security_number
        assert_equal @bank_account_number_encrypted, user.encrypted_bank_account_number
        assert_equal @social_security_number_encrypted, user.encrypted_social_security_number
      end

      should "allow both encrypted and unencrypted values to be passed to the constructor" do
        user = MongoidUser.new(encrypted_bank_account_number: @bank_account_number_encrypted, social_security_number: @social_security_number)
        assert_equal @bank_account_number, user.bank_account_number
        assert_equal @social_security_number, user.social_security_number
        assert_equal @bank_account_number_encrypted, user.encrypted_bank_account_number
        assert_equal @social_security_number_encrypted, user.encrypted_social_security_number
      end

      context "data types" do
        setup do
          @user.save!
          @user_clone = MongoidUser.find(@user.id)
        end

        context "aliased fields" do
          should "return correct data type" do
            @user_clone.aliased_integer_value = "5"
            assert_equal 5, @user_clone.aliased_integer_value
          end
        end

        context "integer values" do
          should "return correct data type" do
            assert_equal @integer_value, @user_clone.integer_value
            assert @user.clone.integer_value.kind_of?(Integer)
          end

          should "coerce data type before save" do
            u = MongoidUser.new(integer_value: "5")
            assert_equal 5, u.integer_value
            assert u.integer_value.kind_of?(Integer)
          end

          should "permit replacing value with nil" do
            @user_clone.integer_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.integer_value
            assert_nil @user.encrypted_integer_value
          end

          should "permit replacing value" do
            new_integer_value = 98
            @user_clone.integer_value = new_integer_value
            @user_clone.save!

            @user.reload
            assert_equal new_integer_value, @user.integer_value
          end
        end

        context "float values" do
          should "return correct data type" do
            assert_equal @float_value, @user_clone.float_value
            assert @user.clone.float_value.kind_of?(Float)
          end

          should "coerce data type before save" do
            u = MongoidUser.new(float_value: "5.6")
            assert_equal 5.6, u.float_value
            assert u.float_value.kind_of?(Float)
          end

          should "permit replacing value with nil" do
            @user_clone.float_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.float_value
            assert_nil @user.encrypted_float_value
          end

          should "permit replacing value" do
            new_float_value = 45.4321
            @user_clone.float_value = new_float_value
            @user_clone.save!

            @user.reload
            assert_equal new_float_value, @user.float_value
          end
        end

        context "decimal values" do
          should "return correct data type" do
            assert_equal @decimal_value, @user_clone.decimal_value
            assert @user.clone.decimal_value.kind_of?(BigDecimal)
          end

          should "coerce data type before save" do
            u = MongoidUser.new(decimal_value: "99.95")
            assert_equal BigDecimal.new("99.95"), u.decimal_value
            assert u.decimal_value.kind_of?(BigDecimal)
          end

          should "permit replacing value with nil" do
            @user_clone.decimal_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.decimal_value
            assert_nil @user.encrypted_decimal_value
          end

          should "permit replacing value" do
            new_decimal_value = BigDecimal.new("99.95")
            @user_clone.decimal_value = new_decimal_value
            @user_clone.save!

            @user.reload
            assert_equal new_decimal_value, @user.decimal_value
          end
        end

        context "datetime values" do
          should "return correct data type" do
            assert_equal @datetime_value, @user_clone.datetime_value
            assert @user.clone.datetime_value.kind_of?(DateTime)
          end

          should "coerce data type before save" do
            now = Time.now
            u = MongoidUser.new(datetime_value: now)
            assert_equal now, u.datetime_value
            assert u.datetime_value.kind_of?(DateTime)
          end

          should "permit replacing value with nil" do
            @user_clone.datetime_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.datetime_value
            assert_nil @user.encrypted_datetime_value
          end

          should "permit replacing value" do
            new_datetime_value = DateTime.new(1998, 10, 21, 8, 33, 28, "+5")
            @user_clone.datetime_value = new_datetime_value
            @user_clone.save!

            @user.reload
            assert_equal new_datetime_value, @user.datetime_value
          end
        end

        context "time values" do
          should "return correct data type" do
            assert_equal @time_value, @user_clone.time_value
            assert @user.clone.time_value.kind_of?(Time)
          end

          should "coerce data type before save" do
            now = Time.now
            u = MongoidUser.new(time_value: now)
            assert_equal now, u.time_value
            assert u.time_value.kind_of?(Time)
          end

          should "permit replacing value with nil" do
            @user_clone.time_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.time_value
            assert_nil @user.encrypted_time_value
          end

          should "permit replacing value" do
            new_time_value = Time.new(1998, 10, 21, 8, 33, 28, "+04:00")
            @user_clone.time_value = new_time_value
            @user_clone.save!

            @user.reload
            assert_equal new_time_value, @user.time_value
          end
        end

        context "date values" do
          should "return correct data type" do
            assert_equal @date_value, @user_clone.date_value
            assert @user.clone.date_value.kind_of?(Date)
          end

          should "coerce data type before save" do
            now = Time.now
            u = MongoidUser.new(date_value: now)
            assert_equal now.to_date, u.date_value
            assert u.date_value.kind_of?(Date)
          end

          should "permit replacing value with nil" do
            @user_clone.date_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.date_value
            assert_nil @user.encrypted_date_value
          end

          should "permit replacing value" do
            new_date_value = Date.new(1998, 10, 21)
            @user_clone.date_value = new_date_value
            @user_clone.save!

            @user.reload
            assert_equal new_date_value, @user.date_value
          end
        end

        context "true values" do
          should "return correct data type" do
            assert_equal true, @user_clone.true_value
            assert @user.clone.true_value.kind_of?(TrueClass)
          end

          should "coerce data type before save" do
            u = MongoidUser.new(true_value: "1")
            assert_equal true, u.true_value
            assert u.true_value.kind_of?(TrueClass)
          end

          should "permit replacing value with nil" do
            @user_clone.true_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.true_value
            assert_nil @user.encrypted_true_value
          end

          should "permit replacing value" do
            new_value = false
            @user_clone.true_value = new_value
            @user_clone.save!

            @user.reload
            assert_equal new_value, @user.true_value
          end
        end

        context "false values" do
          should "return correct data type" do
            assert_equal false, @user_clone.false_value
            assert @user.clone.false_value.kind_of?(FalseClass)
          end

          should "coerce data type before save" do
            u = MongoidUser.new(false_value: "0")
            assert_equal false, u.false_value
            assert u.false_value.kind_of?(FalseClass)
          end

          should "permit replacing value with nil" do
            @user_clone.false_value = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.false_value
            assert_nil @user.encrypted_false_value
          end

          should "permit replacing value" do
            new_value = true
            @user_clone.false_value = new_value
            @user_clone.save!

            @user.reload
            assert_equal new_value, @user.false_value
          end
        end

        context "JSON Serialization" do
          setup do
            # JSON Does not support symbols, so they will come back as strings
            # Convert symbols to string in the test
            @h.keys.each do |k|
              @h[k.to_s] = @h[k]
              @h.delete(k)
            end
          end

          should "return correct data type" do
            assert_equal @h, @user_clone.data_json
            assert @user.clone.data_json.kind_of?(Hash)
          end

          should "not coerce data type (leaves as hash) before save" do
            u = MongoidUser.new(data_json: @h)
            assert_equal @h, u.data_json
            assert u.data_json.kind_of?(Hash)
          end

          should "permit replacing value with nil" do
            @user_clone.data_json = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.data_json
            assert_nil @user.encrypted_data_json
          end

          should "permit replacing value" do
            new_value = @h.clone
            new_value['c'] = 'C'
            @user_clone.data_json = new_value
            @user_clone.save!

            @user.reload
            assert_equal new_value, @user.data_json
          end
        end

        context "YAML Serialization" do
          should "return correct data type" do
            assert_equal @h, @user_clone.data_yaml
            assert @user.clone.data_yaml.kind_of?(Hash)
          end

          should "not coerce data type (leaves as hash) before save" do
            u = MongoidUser.new(data_yaml: @h)
            assert_equal @h, u.data_yaml
            assert u.data_yaml.kind_of?(Hash)
          end

          should "permit replacing value with nil" do
            @user_clone.data_yaml = nil
            @user_clone.save!

            @user.reload
            assert_nil @user.data_yaml
            assert_nil @user.encrypted_data_yaml
          end

          should "permit replacing value" do
            new_value = @h.clone
            new_value[:c] = 'C'
            @user_clone.data_yaml = new_value
            @user_clone.save!

            @user.reload
            assert_equal new_value, @user.data_yaml
          end
        end

      end

    end
  end

rescue LoadError
  puts "Not running Mongoid tests because mongoid gem is not installed!!!"
end