local function augroup(name)
  return vim.api.nvim_create_augroup(name, { clear = true })
end

local autocmd = vim.api.nvim_create_autocmd

-- Check if we need to reload the file when it changed
autocmd({ "FocusGained", "TermClose", "TermLeave" }, {
  group = augroup("checktime"),
  callback = function()
    if vim.o.buftype ~= "nofile" then
      vim.cmd("checktime")
    end
  end,
})

-- Highlight on yank
autocmd("TextYankPost", {
  group = augroup("highlight_yank"),
  callback = vim.hl.on_yank,
})

-- go to last loc when opening a buffer
autocmd("BufReadPost", {
  group = augroup("last_loc"),
  callback = function(event)
    local exclude = { "gitcommit" }
    local buf = event.buf
    if
      vim.tbl_contains(exclude, vim.bo[buf].filetype) or vim.b[buf].last_loc
    then
      return
    end
    vim.b[buf].last_loc = true
    local mark = vim.api.nvim_buf_get_mark(buf, '"')
    local lcount = vim.api.nvim_buf_line_count(buf)
    if mark[1] > 0 and mark[1] <= lcount then
      pcall(vim.api.nvim_win_set_cursor, 0, mark)
    end
  end,
})

-- close some filetypes with <q>
autocmd("FileType", {
  group = augroup("close_with_q"),
  pattern = {
    "PlenaryTestPopup",
    "checkhealth",
    "dbout",
    "gitsigns-blame",
    "help",
    "lspinfo",
    "notify",
    "qf",
    "startuptime",
  },
  callback = function(event)
    vim.bo[event.buf].buflisted = false
    vim.schedule(function()
      vim.keymap.set("n", "q", function()
        vim.cmd("close")
        pcall(vim.api.nvim_buf_delete, event.buf, { force = true })
      end, {
        buffer = event.buf,
        silent = true,
        desc = "Quit buffer",
      })
    end)
  end,
})

-- make it easier to close man-files when opened inline
autocmd("FileType", {
  group = augroup("man_unlisted"),
  pattern = { "man" },
  callback = function(event)
    vim.bo[event.buf].buflisted = false
  end,
})

-- Auto create dir when saving a file, in case some intermediate directory does not exist
autocmd({ "BufWritePre" }, {
  group = augroup("auto_create_dir"),
  callback = function(event)
    if event.match:match("^%w%w+:[\\/][\\/]") then
      return
    end
    local file = vim.uv.fs_realpath(event.match) or event.match
    vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
  end,
})

autocmd("BufWritePost", {
  group = augroup("sway"),
  pattern = "*/sway/config",
  command = "!swaymsg reload",
})
autocmd("BufWritePost", {
  group = augroup("waybar"),
  pattern = "*/waybar/*",
  command = "!killall -SIGUSR2 waybar",
})
autocmd("BufWritePost", {
  group = augroup("xdg-user-dirs"),
  pattern = "user-dirs.dirs,user-dirs.locale",
  command = "!xdg-user-dirs-update",
})
autocmd("BufWritePost", {
  group = augroup("mako"),
  pattern = "*/mako/config",
  command = "!makoctl reload",
})
autocmd("BufWritePost", {
  group = augroup("fc-cache"),
  pattern = "fonts.conf",
  command = "!fc-cache",
})

autocmd("FileType", {
  group = augroup("treesitter_start"),
  pattern = { "*" },
  callback = function()
    if pcall(vim.treesitter.start) then
      vim.wo.foldexpr = "v:lua.vim.treesitter.foldexpr()"
      vim.bo.indentexpr = "v:lua.vim.treesitter.indentexpr()"
    end
  end,
})