let targets pubdir = List.fold_left
	(fun a x ->
		let path = Filename.concat pubdir (snd x) in
		try if Sys.is_directory path then (fst x, path)::a else a with Sys_error _ -> a)
	[]
	["htm,atom", "public_html/"; "gmi,gmi-atom", "public_gemini/"; "", "public_gopher/"]

let wizard () =
	print_endline "No txt.conf found. It's required for the repository name & id. Create one? (y/N)";
	match input_line stdin with
	|"y"-> 
		let title =
			print_endline "Title for repository: ";
			input_line stdin in
		let authors =
			print_endline "Authors (format: name <name@email> <http://website>): ";
			input_line stdin in
		Kosuzu.File_store.file "txt.conf"
			(Printf.sprintf "Id: %s\nTitle: %s\nAuthors: %s\n" (Kosuzu.Id.generate ()) title authors);
		Kosuzu.File_store.of_kv_file ()
	| _ -> print_endline "Create a txt.conf and run publish again"; exit 1

open Kosuzu
let publish pubdir ids =
	let kv =
		match Kosuzu.File_store.of_kv_file ()
		with x when x = Kosuzu.Store.KV.empty -> wizard () | x -> x in
	let predicate t = List.mem t.Text.id ids in
	let pubdir_source, pubdir = match pubdir with Some d -> "--pubdir ", d | None ->
		try "txt.conf:Pubdir", Kosuzu.Store.KV.find "Pubdir" kv with Not_found ->
		try "$TXTPUBDIR", Sys.getenv "TXTPUBDIR" with Not_found -> "$TXTPUBDIR", ""
	in
	let targets = targets pubdir in
	if targets = [] then
		Printf.eprintf "No target directories in %s='%s' (for example %s)\n"
			pubdir_source pubdir (Filename.concat pubdir "public_html")
	else begin
		let pub_dirs = List.map (fun x -> snd x) targets in
		File_store.iter ~predicate (fun (_t, p) ->
			try File.file ((List.hd p)::pub_dirs)
			with Unix.Unix_error (Unix.EEXIST, _, _) -> ());
		List.iter (fun t -> Printf.eprintf "%s %s\n" (fst t) (snd t);
			Index.((load (snd t)) false None None None None);
			Convert.at_path (fst t) false (snd t))
			targets
	end

open Cmdliner

let ids = Arg.(value & pos_all string [] & info [] ~docv: "Text ID")
let pubdir = Arg.(value & opt (some string) None & info ["p"; "pubdir"] ~docv: "Directory path" ~doc: "Set top directory for publishing files")
let publish_t = Term.(const publish $ pubdir $ ids)

let cmd =
  let doc = "Convert texts into pubnix-style directories if they exist" in
  let man = [
      `S Manpage.s_description;
      `P "This subcommand is meant for people who use this software in shared hosts such as SDF or Tildeverse";
      `P "Currently supports conversion to public_gemini (.gmi), public_gopher (.txt), and public_html (.htm[l])";
      `S Manpage.s_environment;
      `P "TXTPUBDIR - Pubnix-style output directory" ]
  in
  let info = Cmd.info "publish" ~doc ~man in
  Cmd.v info publish_t
      
(*
let term =
	let ids = Arg.(value & pos_all string [] & info [] ~docv:"text ids") in
	let pubdir = Arg.(value & opt (some string) None & info ["p"; "pubdir"] ~docv:"directory path"
		~doc:"set top directory for publishing files") in
	let doc = "convert texts into standard public dirs pubdir/public_{html,gemini,gopher} if they exist" in
	Term.(const publish $ pubdir $ ids), Term.info "publish" ~doc ~man:[ `S "DESCRIPTION"; `P doc ]
 *)