require "json"
require "json-schema"

def get_all_form_paths(directories)
    form_paths = []
    directories.each do |directory|
        Dir.glob("#{directory}/*.json").each do |form_path|
        form_paths.push(form_path)
        end
    end
    form_paths
end

namespace :form_definition do
    desc "Validate JSON against Generic Form Schema"
    task :validate do
        puts "#{Rails.root}"     
        path = "config/forms/schema/generic.json"

        file = File.open(path)
        schema = JSON.parse(file.read)
        metaschema = JSON::Validator.validator_for_name("draft4").metaschema

        puts path

        if JSON::Validator.validate(metaschema, schema)
            puts "schema valid"
        else
            puts "schema not valid"
            return
        end

        directories = ["config/forms", "spec/fixtures/forms"]
        # directories = ["config/forms"]

        get_all_form_paths(directories).each do |path|
            puts path
            file = File.open(path)
            data = JSON.parse(file.read)

            puts JSON::Validator.fully_validate(schema, data, :strict => true)

            begin
            JSON::Validator.validate!(schema, data)
            rescue JSON::Schema::ValidationError => e
            e.message
            end
        end
    end
  end