local DummyHandler =  {
  VERSION = "9.9.9",
  PRIORITY = 1000,
}


function DummyHandler:access(conf)
  if ngx.req.get_uri_args()["send_error"] then
    return kong.response.exit(404, { message = "Not found" })
  end

  if conf.test_try then
    kong.vault.try(function ()
      if conf.resp_header_value == "open_sesame" then
        ngx.header["X-Try-Works"] = "true"
      end
    end, conf)
  end

  ngx.header["Dummy-Plugin-Access-Header"] = "dummy"
end


function DummyHandler:header_filter(conf)
  ngx.header["Dummy-Plugin"] = conf.resp_header_value

  if conf.resp_headers then
    for header, value in pairs(conf.resp_headers) do
      ngx.header[header] = value
    end
  end

  if conf.resp_code then
    ngx.status = conf.resp_code
  end

  if conf.append_body then
    ngx.header["Content-Length"] = nil
  end
end


function DummyHandler:body_filter(conf)
  if conf.append_body and not ngx.arg[2] then
    ngx.arg[1] = string.sub(ngx.arg[1], 1, -2) .. conf.append_body
  end
end


return DummyHandler