-- Smart buffer delete function (for <leader><down>)
local function smart_buffer_delete()
  local buffers = vim.fn.getbufinfo { buflisted = 1 }
  local listed_buffers = {}

  -- Count only listed buffers (exclude help, quickfix, etc.)
  for _, buf in ipairs(buffers) do
    if buf.listed == 1 then
      table.insert(listed_buffers, buf)
    end
  end

  -- If this is the last buffer, quit Neovim
  if #listed_buffers <= 1 then
    vim.cmd 'quit'
  else
    vim.cmd 'bdelete'
  end
end

-- "Tab Navigation
vim.keymap.set('n', '<leader><up>', ':tabnew<CR>', {
  desc = 'New Tab',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader>tn', ':-1tabnew<CR>', {
  desc = 'New Tab To The Left',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader><right>', ':tabnext<CR>', {
  desc = 'Next Tab',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader><left>', ':tabprevious<CR>', {
  desc = 'Previous Tab',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader><down>', ':tabclose<CR>', {
  desc = 'Close Tab',
  noremap = true,
  silent = true,
})

-- Window splitting
vim.keymap.set('n', '<leader>sv', ':vsplit<CR>', {
  desc = '[S]plit [V]ertical',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader>sh', ':split<CR>', {
  desc = '[S]plit [H]orizontal',
  noremap = true,
  silent = true,
})
vim.keymap.set('n', '<leader>sq', '<C-w>q', {
  desc = '[S]plit [Q]uit Window',
  noremap = true,
  silent = true,
})

-- nerdtree
vim.keymap.set('n', '<c-z>', ':Neotree toggle<cr>', {
  desc = 'Toggle File Explorer',
  noremap = true,
  silent = true,
})
vim.keymap.set('i', '<c-z>', '<c-o>:Neotree toggle<cr>', {
  desc = 'Toggle File Explorer',
  noremap = true,
  silent = true,
})

return {}