#!/usr/bin/env bash
# 35-nvm — Node Version Manager + Node LTS.

step_name="nvm"
step_desc="nvm into ~/.nvm, install Node LTS"
step_run="run_nvm"

run_nvm() {
  log "installing nvm"
  export NVM_DIR="${NVM_DIR:-$HOME/.nvm}"
  if [[ -s "$NVM_DIR/nvm.sh" ]]; then
    ok "nvm already present at $NVM_DIR"
  else
    # fetch the install script at a pinned NVM version (update here to upgrade)
    curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash \
      || { warn "nvm install failed"; return; }
    ok "nvm installed to $NVM_DIR"
  fi

  # shellcheck disable=SC1091
  source "$NVM_DIR/nvm.sh"
  if command -v nvm >/dev/null 2>&1; then
    log "installing Node LTS via nvm"
    nvm install --lts  || warn "nvm install --lts failed"
    nvm use --lts      2>/dev/null || true
    nvm alias default 'lts/*' 2>/dev/null || true
    command -v node >/dev/null 2>&1 && ok "node $(node -v) active"
  else
    warn "nvm.sh sourced but nvm not available — check $NVM_DIR"
  fi
}