config/.config/nvim/lua/user/autocommands.lua

-- vim.api.nvim_create_autocmd({ "User" }, {
--   pattern = { "AlphaReady" },
--   callback = function()
--     vim.cmd [[
--       set showtabline=0 | autocmd BufUnload <buffer> set showtabline=2
--     ]]
--   end,
-- })

vim.api.nvim_create_autocmd({ "User" }, {
  pattern = { "AlphaReady" },
  callback = function()
    vim.cmd [[
      set laststatus=0 | autocmd BufUnload <buffer> set laststatus=3
    ]]
  end,
})

vim.api.nvim_create_autocmd({ "FileType" }, {
  pattern = {
    "Jaq",
    "qf",
    "help",
    "man",
    "lspinfo",
    "spectre_panel",
    "lir",
    "DressingSelect",
    "tsplayground",
    "Markdown",
  },
  callback = function()
    vim.cmd [[
      nnoremap <silent> <buffer> q :close<CR>
      nnoremap <silent> <buffer> <esc> :close<CR>
      set nobuflisted
    ]]
  end,
})

vim.api.nvim_create_autocmd({ "BufEnter" }, {
  pattern = { "" },
  callback = function()
    local buf_ft = vim.bo.filetype
    if buf_ft == "" or buf_ft == nil then
      vim.cmd [[
      nnoremap <silent> <buffer> q :close<CR>
      nnoremap <silent> <buffer> <c-j> j<CR>
      nnoremap <silent> <buffer> <c-k> k<CR>
      set nobuflisted
    ]]
    end
  end,
})

vim.api.nvim_create_autocmd({ "BufEnter" }, {
  pattern = { "" },
  callback = function()
    local get_project_dir = function()
      local cwd = vim.fn.getcwd()
      local project_dir = vim.split(cwd, "/")
      local project_name = project_dir[#project_dir]
      return project_name
    end

    vim.opt.titlestring = get_project_dir() .. " - nvim"
  end,
})

vim.api.nvim_create_autocmd({ "BufEnter" }, {
  pattern = { "term://*" },
  callback = function()
    vim.cmd "startinsert!"
    -- TODO: if java = 2
    vim.cmd "set cmdheight=1"
  end,
})

vim.api.nvim_create_autocmd({ "FileType" }, {
  pattern = { "gitcommit", "markdown" },
  callback = function()
    vim.opt_local.wrap = true
    vim.opt_local.spell = true
  end,
})

vim.api.nvim_create_autocmd({ "FileType" }, {
  pattern = { "lir" },
  callback = function()
    vim.opt_local.number = false
    vim.opt_local.relativenumber = false
  end,
})

vim.cmd "autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif"
-- vim.api.nvim_create_autocmd({ "BufEnter" }, {
--   callback = function()
--     vim.cmd [[
--       if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif
--     ]]
--   end,
-- })

vim.api.nvim_create_autocmd({ "VimResized" }, {
  callback = function()
    vim.cmd "tabdo wincmd ="
  end,
})

vim.api.nvim_create_autocmd({ "CmdWinEnter" }, {
  callback = function()
    vim.cmd "quit"
  end,
})

vim.api.nvim_create_autocmd({ "BufWinEnter" }, {
  callback = function()
    vim.cmd "set formatoptions-=cro"
  end,
})

vim.api.nvim_create_autocmd({ "TextYankPost" }, {
  callback = function()
    vim.highlight.on_yank { higroup = "Visual", timeout = 200 }
  end,
})

vim.api.nvim_create_autocmd({ "BufWritePost" }, {
  pattern = { "*.java" },
  callback = function()
    vim.lsp.codelens.refresh()
  end,
})

vim.api.nvim_create_autocmd({ "VimEnter" }, {
  callback = function()
    vim.cmd "hi link illuminatedWord LspReferenceText"
  end,
})

vim.api.nvim_create_autocmd({ "BufWinEnter" }, {
  pattern = { "*" },
  callback = function()
    vim.cmd "checktime"
  end,
})

vim.api.nvim_create_autocmd({ "CursorHold" }, {
  callback = function()
    local status_ok, luasnip = pcall(require, "luasnip")
    if not status_ok then
      return
    end
    if luasnip.expand_or_jumpable() then
      -- ask maintainer for option to make this silent
      -- luasnip.unlink_current()
      vim.cmd [[silent! lua require("luasnip").unlink_current()]]
    end
  end,
})

vim.api.nvim_create_autocmd({ "BufWritePost" }, {
  pattern = { "*.ts" },
  callback = function()
    vim.lsp.buf.format { async = true }
  end,
})

-- Prevent auto comment on next line
vim.cmd [[autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o]]

-- Set filetype to tex for .tex files?
vim.cmd [[autocmd BufRead,BufNewFile *.tex set filetype=tex]]

-- Trim whitespace from files on save
vim.cmd [[
autocmd BufWritePre * let currPos = getpos(".")
autocmd BufWritePre * %s/\s\+$//e
autocmd BufWritePre * %s/\n\+\%$//e
autocmd BufWritePre *.[ch] %s/\%$/\r/e
autocmd BufWritePre * cal cursor(currPos[1], currPos[2])
]]

-- Recompile and restart Xmonad on save of config file for Xmonad or Xmobar
vim.cmd [[autocmd BufWritePost ~/.xmonad/xmonad.hs,~/.config/xmobar/xmobar-main.hs,~/.config/xmobar/xmobar-sub.hs,~/.config/xmobar/xmobar-single.hs !xmonad --recompile && xmonad --restart]]

-- Run custom textclear command when exiting a .tex file (cleanup files)
vim.cmd [[autocmd VimLeave *.tex !texclear %]]

-- Run install when editing my scripts
vim.cmd [[
autocmd BufWritePost ~/repos/inks-scripts/** !~/repos/inks-scripts/install
]]