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

local autocmd = vim.api.nvim_create_autocmd

autocmd({ 'FocusGained', 'TermClose', 'TermLeave' }, {
  desc = 'Reload file when changed if needed',
  group = augroup('checktime'),
  callback = function()
    if vim.o.buftype ~= 'nofile' then
      vim.cmd('checktime')
    end
  end,
})

autocmd({ 'TextYankPost' }, {
  desc = 'Highlight on yank',
  group = augroup('highlight_yank'),
  callback = function()
    (vim.hl or vim.highlight).on_yank()
  end,
})

autocmd({ 'VimResized' }, {
  desc = 'Resize splits on window resize',
  group = augroup('resize_splits'),
  callback = function()
    local current_tab = vim.fn.tabpagenr()

    vim.cmd('tabdo wincmd =')
    vim.cmd('tabnext ' .. current_tab)
  end,
})

autocmd({ 'BufReadPost' }, {
  desc = 'Go to last location when opening a buffer',
  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].marleyvim_last_loc
    then
      return
    end

    vim.b[buf].marleyvim_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,
})

autocmd({ 'FileType' }, {
  desc = 'Close some filetypes with <q>',
  group = augroup('close_with_q'),
  pattern = {
    'PlenaryTestPopup',
    'checkhealth',
    'dbout',
    'gitsigns-blame',
    'grug-far',
    'help',
    'lspinfo',
    'neotest-output',
    'neotest-output-panel',
    'neotest-summary',
    'notify',
    'qf',
    'snacks_win',
    'spectre_panel',
    'startuptime',
    'tsplayground',
  },
  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, {
        desc = 'Quit buffer',
        buffer = event.buf,
        silent = true,
      })
    end)
  end,
})

autocmd({ 'FileType' }, {
  desc = 'Make it easier to close man-files',
  group = augroup('man_unlisted'),
  pattern = { 'man' },
  callback = function(event)
    vim.bo[event.buf].buflisted = false
  end,
})

autocmd({ 'FileType' }, {
  desc = 'Fix conceallevel for JSON files',
  group = augroup('json_conceal'),
  pattern = { 'json', 'jsonc', 'json5' },
  callback = function()
    vim.opt_local.conceallevel = 0
  end,
})

autocmd({ 'BufWritePre' }, {
  desc = 'Auto create missing directories when saving a file',
  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,
})