local defaultGroupOptions = { clear = true }
local markdownGroup = vim.api.nvim_create_augroup("MyMarkdownGroup", defaultGroupOptions)
local spellGroup = vim.api.nvim_create_augroup("SpellGroup", defaultGroupOptions)
local createCmd = vim.api.nvim_create_autocmd

-- Spell check
createCmd("BufEnter", {
	pattern = { "*.md", "*.markdown", "*.txt", "*.tex" },
	group = spellGroup,
	callback = function(_)
		vim.cmd.setlocal("textwidth=80")
		vim.cmd.setlocal("spell spelllang=en_us")
	end,
})

-- Markdown
createCmd("BufWritePost", {
	pattern = { "*.md", "*.markdown" },
	group = markdownGroup,
	callback = function(_)
		local cursor = vim.fn.getpos(".")
		vim.cmd("FormatWrite")
		vim.fn.setpos(".", cursor)
	end,
})

-- Go
createCmd("BufWritePre", {
	pattern = "*.go",
	callback = function()
		require("go.format").goimport()
	end,
	group = vim.api.nvim_create_augroup("GoFormat", defaultGroupOptions),
})

-- Leaf
createCmd({ "BufRead", "BufNewFile" }, {
	pattern = "*.leaf",
	callback = function()
		vim.opt.filetype = "html"
	end,
})

vim.api.nvim_exec2(
	[[
  autocmd BufNewFile,BufRead /private/**/gopass** setlocal noswapfile nobackup noundofile shada=""
  ]],
	{}
)

-- Highlight when yanking.
createCmd("TextYankPost", {
	desc = "Highlight when yanking text.",
	group = vim.api.nvim_create_augroup("highlight-yank", { clear = true }),
	callback = function()
		vim.highlight.on_yank()
	end,
})