local M = {}

M.options = {
  dirs = nil,
  index_file = 'index.md',
  text_extensions = { 'txt', 'py', 'rb', 'js', 'ts', 'lua', 'sh', 'bash', 'zsh', 'vim', 'json', 'yaml', 'yml', 'toml', 'xml', 'html', 'css' },
}

function M.setup(opts)
  opts = opts or {}

  if opts.dirs then
    M.options.dirs = {}
    for _, dir in ipairs(opts.dirs) do
      local path = vim.fs.normalize(dir.path)
      if not vim.endswith(path, '/') then
        path = path .. '/'
      end
      table.insert(M.options.dirs, { name = dir.name, path = path })
    end
  end

  for key, value in pairs(opts) do
    if key == 'dirs' then
      -- handled above
    elseif M.options[key] ~= nil then
      M.options[key] = value
    end
  end

  for _, dir in ipairs(M.options.dirs or {}) do
    local stat = vim.uv.fs_stat(dir.path)
    if not (stat and stat.type == 'directory') then
      vim.notify('Wiki directory not found: ' .. dir.path, vim.log.levels.WARN)
    end
  end
end

return M