local M = {}

--- copy highlight group
---@param hlgroup string highlight group to copy
---@param namespace? number highlight space
---@return table
function M.copyhl(hlgroup, namespace)
  namespace = namespace or 0

  local ok, hl = pcall(vim.api.nvim_get_hl, namespace, {
    name = hlgroup,
    create = false
  })
  if not ok then
    return {}
  end

  for _, key in pairs({ "foreground", "background", "special" }) do
    if hl[key] then
      hl[key] = string.format("#%06x", hl[key])
    end
  end
  return hl
end

return M