vim.pack.add({
  { src = "https://github.com/akinsho/bufferline.nvim", version = vim.version.range("^4") },
  { src = "https://github.com/nvim-tree/nvim-web-devicons" },
})

require("bufferline").setup({
  options = {
    mode = "buffers",
    diagnostics = "nvim_lsp",
    always_show_bufferline = true,
    separator_style = "thin",
    show_buffer_close_icons = true,
    show_close_icon = false,
    offsets = {
      {
        filetype = "neo-tree",
        text = function()
          return vim.fn.fnamemodify(vim.fn.getcwd(), ":t")
        end,
        highlight = "Directory",
        text_align = "left",
        separator = false,
      },
    },
  },
  highlights = require("catppuccin.special.bufferline").get_theme(),
})

local map = vim.keymap.set
map("n", "<S-h>", "<Cmd>BufferLineCyclePrev<CR>", { desc = "Prev buffer" })
map("n", "<S-l>", "<Cmd>BufferLineCycleNext<CR>", { desc = "Next buffer" })
-- close current buffer, without picking; jump to the next file buffer first so the
-- window never lands on the neo-tree buffer (nvim's own :bdelete switch prefers
-- loaded buffers, which is always the neo-tree sidebar)
map("n", "<leader>bd", function()
  local cur = vim.api.nvim_get_current_buf()
  require("bufferline").cycle(1) -- next buffer in bar order; skips unlisted buffers like neo-tree
  if vim.api.nvim_get_current_buf() == cur then
    vim.cmd("enew") -- no other buffer open: land on a fresh empty buffer
  end
  vim.cmd("bdelete! " .. cur)
  require("bufferline.ui").refresh()
end, { desc = "Close current buffer" })