#!/usr/bin/env bash

# ============================================
# Lifecycle
# ============================================

function cmd::config::on_load() {
  flag::register --name
  flag::register --type
}

# ============================================
# Help
# ============================================

function cmd::config::help() {
  cat <<EOF
Usage: wgctl config --name <name>

Show the WireGuard config file for a client.

Options:
  --name <name>     Client name (e.g. phone-nuno)

Examples:
  wgctl config --name phone-nuno
  wgctl config --name laptop-nuno
EOF
}

# ============================================
# Run
# ============================================

function cmd::config::run() {
  local name=""
  local type=""

  while [[ $# -gt 0 ]]; do
    case "$1" in
      --name)  name="$2";          shift 2 ;;
      --type)  type="$2";          shift 2 ;;
      --help)  cmd::config::help;  return  ;;
      *)
        log::error "Unknown flag: $1"
        cmd::config::help
        return 1
        ;;
    esac
  done

  if [[ -z "$name" ]]; then
    log::error "Missing required flag: --name"
    return 1
  fi

  name=$(peers::resolve_and_require "$name" "$type") || return 1

  local conf
  conf="$(ctx::clients)/${name}.conf"

  log::section "Client Config: ${name}"
  cat "$conf"
}