require "rack/app"
require "yaml"
require "erb"

module Mountapi
  class DocRackApp < Rack::App

    spec_by_version = Mountapi.config.open_api_spec.map do |spec|
      version = YAML.safe_load(spec, symbolize_names: true).fetch(:info).fetch(:version)
      [version, spec]
    end
    doc_template = ERB.new(File.read(File.expand_path("templates/redoc.html.erb", __dir__)), trim_mode: "-")
    list_template = ERB.new(File.read(File.expand_path("templates/list.html.erb", __dir__)), trim_mode: "-")

    get "/" do
      list_template.result_with_hash(spec_by_version: spec_by_version, original_fullpath: request.env["ORIGINAL_FULLPATH"])
    end

    spec_by_version.each do |version, spec|
      get "/#{version}.yaml" do
        spec
      end

      get "/#{version}" do
        doc_template.result_with_hash(open_api_url: "./#{version}.yaml")
      end
    end
  end
end