module Gitlab
  module Ci
    class Config
      module Entry
        module Validators
          class AllowedKeysValidator < ActiveModel::EachValidator
            def validate_each(record, attribute, value)
              unknown_keys = record.config.try(:keys).to_a - options[:in]

              if unknown_keys.any?
                record.errors.add(:config, 'contains unknown keys: ' +
                                            unknown_keys.join(', '))
              end
            end
          end

          class ArrayOfStringsValidator < ActiveModel::EachValidator
            include LegacyValidationHelpers

            def validate_each(record, attribute, value)
              unless validate_array_of_strings(value)
                record.errors.add(attribute, 'should be an array of strings')
              end
            end
          end

          class BooleanValidator < ActiveModel::EachValidator
            include LegacyValidationHelpers

            def validate_each(record, attribute, value)
              unless validate_boolean(value)
                record.errors.add(attribute, 'should be a boolean value')
              end
            end
          end

          class DurationValidator < ActiveModel::EachValidator
            include LegacyValidationHelpers

            def validate_each(record, attribute, value)
              unless validate_duration(value)
                record.errors.add(attribute, 'should be a duration')
              end
            end
          end

          class KeyValidator < ActiveModel::EachValidator
            include LegacyValidationHelpers

            def validate_each(record, attribute, value)
              unless validate_string(value)
                record.errors.add(attribute, 'should be a string or symbol')
              end
            end
          end

          class TypeValidator < ActiveModel::EachValidator
            def validate_each(record, attribute, value)
              type = options[:with]
              raise unless type.is_a?(Class)

              unless value.is_a?(type)
                message = options[:message] || "should be a #{type.name}"
                record.errors.add(attribute, message)
              end
            end
          end

          class VariablesValidator < ActiveModel::EachValidator
            include LegacyValidationHelpers

            def validate_each(record, attribute, value)
              unless validate_variables(value)
                record.errors.add(attribute, 'should be a hash of key value pairs')
              end
            end
          end
        end
      end
    end
  end
end