require 'yaml'

module JSONiCal
  module VEVENTSchema

    class BadVersionError < ArgumentError; end

    supported_versions = (1..2)

    versions = supported_versions.map do |version|
      [:"v#{version}", YAML.load_file("schemas/v#{version}.yml").freeze]
    end

    SCHEMAS = Hash[versions]
    private_constant(:SCHEMAS)

    def self.validate!(payload, version:)
      schema = SCHEMAS[version.to_sym]

      raise(BadVersionError) if schema.nil?

      JSON::Validator.validate!(schema, payload)
    end

  end
end