---@diagnostic disable: undefined-global

local todo_comment = function(key)
  local nodes = {}
  if type(key) == 'string' then
    table.insert(nodes, t(key))
  elseif type(key) == 'table' then
    table.insert(
      nodes,
      c(
        1,
        vim.tbl_map(function(e)
          return t(e)
        end, key)
      )
    )
  end
  local wrapped = autowrap(t('('), t(')'), {
    c(#nodes, {
      t(''), -- bare
      sn(1, user_email),
      f(function()
        return os.date('%Y-%m-%d')
      end, {}), -- time
    }),
  })
  for _, n in ipairs(wrapped) do
    table.insert(nodes, n)
  end
  table.insert(nodes, t(': '))
  return comment(nodes)
end

return {
  s('me', user_email),
  s('date', exec([[date --rfc-email]])),
  s(
    'today',
    f(function()
      return os.date('%Y-%m-%d')
    end, {})
  ),
  s(
    'now',
    f(function()
      return os.date('%Y-%m-%dT%H:%M:%SZ')
    end, {})
  ),

  -- todo comments
  s('todo', todo_comment('TODO')),
  s('note', todo_comment('NOTE')),
  s('hack', todo_comment('HACK')),
  s('warn', todo_comment({ 'WARN', 'XXX' })),
  s('fix', todo_comment({ 'FIX', 'FIXME', 'ISSUE', 'BUG' })),

  s(
    { trig = '#!', name = 'Shell script skeleton' },
    fmt(
      [=[
      #!/bin/sh

      set -e
      [ -n "$DEBUG" ] && set -x
      [ -n "$DESC" ] && desc() {{
      	printf "{}"
      	exit 0
      }}

    ]=],
      { i(1, 'what does this script do') }
    ),
    {
      callbacks = {
        [-1] = {
          [events.enter] = function(_, _)
            vim.opt_local.filetype = 'sh'
          end,
        },
      },
    }
  ),

  -- licenses (SPDX header)
  s({ trig = 'spdx-mit', name = 'MIT license' }, comment({ t([[SPDX-License-Identifier: MIT]]) })),
  s(
    { trig = 'spdx-gpl-3.0', name = 'MIT license' },
    comment({ t([[SPDX-License-Identifier: GPL-3.0]]) })
  ),
  s(
    { trig = 'spdx-agpl-3.0', name = 'MIT license' },
    comment({ t([[SPDX-License-Identifier: AGPL-3.0]]) })
  ),
  s(
    { trig = 'spdx-cc0-1.0', name = 'MIT license' },
    comment({ t([[SPDX-License-Identifier: CC0-1.0]]) })
  ),
}