# frozen_string_literal: true

require 'rack'
require 'json'

require_relative '../renderer'

module FO::HTTP
  class Response < Rack::Response
    attr_reader :request

    def initialize(request)
      super('')
      @request = request
    end

    def json(thingy)
      body(JSON.generate(thingy))
      content_type('application/json; charset=utf-8')
      self
    end

    def template(template_name, locals = {})
      path = File.expand_path("#{__dir__}/../views/#{template_name}.erb")
      layout_name = locals['layout'].nil? ? 'default' : locals['layout']
      layout_path = File.expand_path("#{__dir__}/../views/layouts/#{layout_name}.erb")

      body(FO::Renderer.new(layout_path, path, locals).render)

      content_type('text/html; charset=utf-8')
      self
    end

    def status(s)
      @status = s
      self
    end

    def body(body)
      write(body)
      self
    end

    def content_type(type)
      set_header('Content-Type', type)
      self
    end

  end
end