open Cmdliner
open Cmdliner.Term.Syntax
open Offline_impl

module Arg = struct
  include Arg

  let timestamp =
    Arg.Conv.make ~docv:"timestamp argument" ~parser:Timestamp.of_string
      ~pp:Timestamp.pp ()

  let relative_time =
    Arg.Conv.make ~docv:"relative time argument"
      ~parser:Timestamp.Span.of_string ~pp:Timestamp.Span.pp ()

  let amount =
    Arg.Conv.make ~docv:"amount argument" ~parser:Amount.of_string ~pp:Amount.pp
      ()
end

let default_master_offline_key_file = "data/master_offline_private_key"
(*
let default_response_file = "response.json"
let default_request_file = "request.json"
*)

let master_key =
  let doc = "Master offline Eddsa private key file." in
  Arg.(
    value
    & opt file default_master_offline_key_file
    & info [ "master_key_file" ] ~doc)

let input =
  let doc = "input file" in
  Arg.(required & opt (some file) None & info [ "i"; "input" ] ~doc)

let output =
  let doc = "output file" in
  Arg.(required & opt (some filepath) None & info [ "o"; "output" ] ~doc)

let url =
  let doc = "url" in
  Arg.(required & opt (some string) None & info [ "url" ] ~doc)

let setup_cmd =
  let doc = "Generate offline master keys" in
  let output =
    let doc = "output file" in
    Arg.(
      value
      & opt filepath default_master_offline_key_file
      & info [ "o"; "output" ] ~doc)
  in
  Cmd.make (Cmd.info "setup" ~doc)
  @@
  let+ output = output in
  setup ~output

let download_cmd =
  let doc = "GET /management/keys/" in
  let man =
    [ `S Manpage.s_description; `P "$(cmd) download /management/keys." ]
  in
  Cmd.make (Cmd.info "download" ~doc ~man)
  @@
  let+ output = output in
  download ~output

let upload_cmd =
  let doc = "POST input.json data to url (default /management/keys)" in
  Cmd.make (Cmd.info "upload" ~doc)
  @@
  let+ input = input and+ url = url in
  upload ~input ~url

let sign_cmd =
  let doc = "Sign FutureKeysResponse." in
  Cmd.make (Cmd.info "sign" ~doc)
  @@
  let+ input = input and+ output = output and+ master_key = master_key in
  sign ~input ~output ~master_key

let revoke_denom_cmd =
  let doc = "Revoke denomination." in
  let h_denom =
    let doc = "hash of denomination public key" in
    Arg.(required & pos 0 (some string) None & info [] ~doc)
  in
  Cmd.make (Cmd.info "revoke-denom" ~doc)
  @@
  let+ output = output and+ master_key = master_key and+ h_denom = h_denom in
  revoke_denom ~output ~master_key ~h_denom

let revoke_signkey_cmd =
  let doc = "Revoke signkey." in
  let signkey =
    let doc = "public signing key" in
    Arg.(required & pos 0 (some string) None & info [] ~doc)
  in
  Cmd.make (Cmd.info "revoke-signkey" ~doc)
  @@
  let+ output = output and+ master_key = master_key and+ signkey = signkey in
  revoke_signkey ~output ~master_key ~signkey

let global_fees_cmd =
  let doc = "Provides global fee configuration." in
  let start_date =
    Arg.(required & opt (some timestamp) None & info [ "start_date" ])
  in
  let end_date =
    Arg.(required & opt (some timestamp) None & info [ "end_date" ])
  in
  let history_fee =
    Arg.(required & opt (some amount) None & info [ "history_fee" ])
  in
  let account_fee =
    Arg.(required & opt (some amount) None & info [ "account_fee" ])
  in
  let purse_fee =
    Arg.(required & opt (some amount) None & info [ "purse_fee" ])
  in
  let history_expiration =
    Arg.(
      required & opt (some relative_time) None & info [ "history_expiration" ])
  in
  let purse_account_limit =
    Arg.(required & opt (some int) None & info [ "purse_account_limit" ])
  in
  let purse_timeout =
    Arg.(required & opt (some relative_time) None & info [ "purse_timeout" ])
  in
  Cmd.make (Cmd.info "global-fees" ~doc)
  @@
  let+ output = output
  and+ master_key = master_key
  and+ start_date = start_date
  and+ end_date = end_date
  and+ history_fee = history_fee
  and+ account_fee = account_fee
  and+ purse_fee = purse_fee
  and+ history_expiration = history_expiration
  and+ purse_account_limit = purse_account_limit
  and+ purse_timeout = purse_timeout in
  global_fees ~output ~master_key ~start_date ~end_date ~history_fee
    ~account_fee ~purse_fee ~history_expiration ~purse_account_limit
    ~purse_timeout

let cli =
  let info =
    let doc = "MTE Offline CLI tool" in
    Cmd.info "mte-offline" ~doc
  in
  Cmd.group info
    [
      setup_cmd;
      download_cmd;
      sign_cmd;
      upload_cmd;
      revoke_denom_cmd;
      revoke_signkey_cmd;
      global_fees_cmd;
    ]

let main () = Cmd.eval_result cli
let () = if !Sys.interactive then () else exit (main ())

(* TODO all management operations:
     /management/auditors
     /management/auditors/$AUDITOR_PUB/disable
     /management/wire-fee
     /management/wire
     /management/wire/disable
     /management/drain
     /management/aml-officers
     /management/partners *)