open Tiny_httpd_html

let spf = Printf.sprintf

let list_init n f =
  let rec loop i =
    if i = n then
      []
    else
      f i :: loop (i + 1)
  in
  loop 0

let t1 () =
  html []
    [
      head [] [];
      body []
        [
          ul
            [ A.style "list-style: circle" ]
            (li [] [ pre [] [ txt "a"; pre [] [ txt "c"; txt "d" ]; txt "b" ] ]
            :: list_init 100 (fun i ->
                   li [ A.id (spf "l%d" i) ] [ txt (spf "item %d" i) ]));
        ];
    ]

let t2 () =
  html []
    [
      head [] [];
      pre [] [ txt "a"; txt "b" ];
      body []
        [
          ul'
            [ A.style "list-style: circle" ]
            [
              (sub_l @@ list_init 100
              @@ fun i ->
              li ~if_:(i <> 42) [ A.id (spf "l%d" i) ] [ txt (spf "item %d" i) ]
              );
            ];
        ];
    ]

let render t = print_endline @@ to_string_top @@ t

let () =
  match Sys.argv.(1) with
  | "1" -> render @@ t1 ()
  | "2" -> render @@ t2 ()
  | _ -> failwith "unknown cmd"