-- Create a group to namespace autocmds
local group = vim.api.nvim_create_augroup('benie', { clear = true })

-- Restore cursor position across sessions
-- https://github.com/neovim/neovim/issues/16339#issuecomment-1457394370
vim.api.nvim_create_autocmd('BufRead', {
  group = group,
  callback = function(opts)
    vim.api.nvim_create_autocmd('BufWinEnter', {
      once = true,
      buffer = opts.buf,
      callback = function()
        local ft = vim.bo[opts.buf].filetype
        local last_known_line = vim.api.nvim_buf_get_mark(opts.buf, '"')[1]
        if not (ft:match('commit') and ft:match('rebase'))
            and last_known_line > 1
            and last_known_line <= vim.api.nvim_buf_line_count(opts.buf)
        then
          vim.api.nvim_feedkeys([[g`"]], 'nx', false)
        end
      end
    })
  end
})

-- Start terminals in insert mode
vim.api.nvim_create_autocmd('TermOpen', {
  group = group, pattern = 'term://*',
  callback = function()
    vim.cmd [[ startinsert ]]
  end
})

-- Don't show the line number column in terminal-insert mode
vim.api.nvim_create_autocmd('TermEnter', {
  group = group, pattern = 'term://*',
  callback = function()
    vim.opt.number = false
    vim.opt.relativenumber = false
    vim.opt.signcolumn = 'no'
  end
})

-- But do show the line number column in terminal-normal mode
vim.api.nvim_create_autocmd('TermLeave', {
  group = group, pattern = 'term://*',
  callback = function()
    vim.opt.number = true
    vim.opt.relativenumber = true
    vim.opt.signcolumn = 'yes'
  end
})

-- Automatically press enter when the terminal process exit successfully
vim.api.nvim_create_autocmd('TermClose', {
  group = group,
  pattern = 'term://*',
  callback = function()
    if vim.v.event.status == 0 then
      -- Exit success, send enter to close the buffer
      vim.api.nvim_input('<CR>')
    else
      -- Exit failure, enter normal mode for inspection
      vim.api.nvim_input('<C-\\><C-n>')
    end
  end
})