local M = {}

M.config = function()
require('bufferline').setup {
  options = {
    -- numbers = "none" | "ordinal" | "buffer_id" | "both",
    -- number_style = "superscript" | "" | { "none", "subscript" }, -- buffer_id at index 1, ordinal at index 2
    -- mappings = true | false,
    -- close_command = "bdelete! %d",       -- can be a string | function, see "Mouse actions"
    -- right_mouse_command = "bdelete! %d", -- can be a string | function, see "Mouse actions"
    -- left_mouse_command = "buffer %d",    -- can be a string | function, see "Mouse actions"
    middle_mouse_command = nil,          -- can be a string | function, see "Mouse actions"
    indicator_icon = '▎',
    buffer_close_icon = '',
    modified_icon = '●',
    close_icon = '',
    left_trunc_marker = '',
    right_trunc_marker = '',
    --- name_formatter can be used to change the buffer's label in the bufferline.
    --- Please note some names can/will break the
    --- bufferline so use this at your discretion knowing that it has
    --- some limitations that will *NOT* be fixed.
    -- name_formatter = function(buf)  -- buf contains a "name", "path" and "bufnr"
    --   -- remove extension from markdown files for example
    --   if buf.name:match('%.md') then
    --     return vim.fn.fnamemodify(buf.name, ':t:r')
    --   end
    -- end,
    max_name_length = 18,
    max_prefix_length = 15, -- prefix used when a buffer is de-duplicated
    tab_size = 18,
    -- diagnostics = "nvim_lsp",
    offsets = {{filetype = "NvimTree", text = "File Explorer", text_align = "left", padding = 1}},
    -- show_buffer_icons = true | false, -- disable filetype icons for buffers
    show_buffer_close_icons = true
    -- show_close_icon = true | false,
    -- show_tab_indicators = true | false,
    -- persist_buffer_sort = true, -- whether or not custom sorted buffers should persist
    -- can also be a table containing 2 custom separators
    -- [focused and unfocused]. eg: { '|', '|' }
    -- separator_style = "slant" | "thick" | "thin" | { 'any', 'any' },
    -- enforce_regular_tabs = false | true,
    -- always_show_bufferline = true | false,
    -- sort_by = 'extension' | 'relative_directory' | 'directory' | function(buffer_a, buffer_b)
      -- add custom logic
      -- return buffer_a.modified > buffer_b.modified
    -- end
  }
}
end

return M