require "mountapi/schema/base"

module Mountapi
  module Schema
    # Schema implementation for Array
    class Array
      include Base

      # @param [Object] value the inbound value for this schema
      #
      # cast the inbound value and it's items
      # in case of array we already expect an array. (from rack Query parser)
      def cast(array)
        raise_cast_error(array) unless array.is_a?(::Array)
        array.to_a.map do |item|
          Schema.build(open_api_schema.items).cast(item)
        end
      end

      # for array we also transform items to json_schema
      def self.to_json_schema(key_name, value)
        if key_name == "items"
          value = Schema.build(value).to_json_schema
        end
        { key_name => value }
      end
    end
  end
end