# Fluffy
# Copyright (c) 2023 Status Research & Development GmbH
# Licensed and distributed under either of
#   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
#   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.

{.push raises: [].}

import
  confutils, confutils/std/net,
  nimcrypto/hash,
  ../../logging

export net

type
  TrustedDigest* = MDigest[32 * 8]

  PortalBridgeCmd* = enum
    beacon = "Run a Portal bridge for the beacon network"
    history = "Run a Portal bridge for the history network"
    state = "Run a Portal bridge for the state network"

  PortalBridgeConf* = object
    # Logging
    logLevel* {.
      desc: "Sets the log level"
      defaultValue: "INFO"
      name: "log-level" .}: string

    logStdout* {.
      hidden
      desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)"
      defaultValueDesc: "auto"
      defaultValue: StdoutLogKind.Auto
      name: "log-format" .}: StdoutLogKind

    # Portal JSON-RPC API server to connect to
    rpcAddress* {.
      desc: "Listening address of the Portal JSON-RPC server"
      defaultValue: "127.0.0.1"
      name: "rpc-address" .}: string

    rpcPort* {.
      desc: "Listening port of the Portal JSON-RPC server"
      defaultValue: 8545
      name: "rpc-port" .}: Port

    case cmd* {.
      command
      desc: ""
      .}: PortalBridgeCmd

    of PortalBridgeCmd.beacon:
      # Beacon node REST API URL
      restUrl* {.
        desc: "URL of the beacon node REST service"
        defaultValue: "http://127.0.0.1:5052"
        name: "rest-url" .}: string

      # Backfill options
      backFillAmount* {.
        desc: "Amount of beacon LC updates to backfill gossip into the network"
        defaultValue: 64
        name: "backfill-amount" .}: uint64

      trustedBlockRoot* {.
        desc: "Trusted finalized block root for which to gossip a LC bootstrap into the network"
        defaultValue: none(TrustedDigest)
        name: "trusted-block-root" .}: Option[TrustedDigest]

    of PortalBridgeCmd.history:
      discard

    of PortalBridgeCmd.state:
      discard

func parseCmdArg*(T: type TrustedDigest, input: string): T
                 {.raises: [ValueError].} =
  TrustedDigest.fromHex(input)

func completeCmdArg*(T: type TrustedDigest, input: string): seq[string] =
  return @[]