local augroup = vim.api.nvim_create_augroup("UserConfig", {})

-- highlight yanked text
vim.api.nvim_create_autocmd("TextYankPost", {
  group = augroup,
  callback = function()
    vim.highlight.on_yank()
  end,
})

-- open file on previous position before quitting
vim.api.nvim_create_autocmd("BufReadPost", {
  group = augroup,
  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,
})

-- create directories if they don't exist
vim.api.nvim_create_autocmd("BufWritePre", {
  group = augroup,
  callback = function()
    local dir = vim.fn.expand('<afile>:p:h')
    if vim.fn.isdirectory(dir) == 0 then
      vim.fn.mkdir(dir, 'p')
    end
  end,
})