local augroup = vim.api.nvim_create_augroup
local autocmd = vim.api.nvim_create_autocmd

-- Highlight on yank
autocmd("TextYankPost", {
  group = augroup("highlight_yank", { clear = true }),
  callback = function()
    vim.highlight.on_yank({ timeout = 200 })
  end,
})

-- Remove trailing whitespace on save
autocmd("BufWritePre", {
  group = augroup("trim_whitespace", { clear = true }),
  pattern = "*",
  command = "%s/\\s\\+$//e",
})

-- Restore cursor position
autocmd("BufReadPost", {
  group = augroup("restore_cursor", { clear = true }),
  callback = function()
    local mark = vim.api.nvim_buf_get_mark(0, '"')
    local lcount = vim.api.nvim_buf_line_count(0)
    if mark[1] > 0 and mark[1] <= lcount then
      pcall(vim.api.nvim_win_set_cursor, 0, mark)
    end
  end,
})

-- Auto-resize splits on window resize
autocmd("VimResized", {
  group = augroup("auto_resize", { clear = true }),
  command = "tabdo wincmd =",
})