if vim.g.loaded_shell then
  return
end

vim.g.loaded_shell = true

vim.api.nvim_create_user_command("Shell", function(opts)
  opts.args = vim.trim(opts.args)
  if #opts.args == 0 then
    return vim.notify("shell cmd empty", vim.log.levels.WARN)
  end

  local cmdmsg = { { "command " }, { opts.args, "@markup.raw" } }

  local pg = {
    source = "shell",
    title = "shell cmd",
    kind = "progress",
    percent = 0,
    status = "running",
  }
  table.insert(cmdmsg, { " started" })
  pg.id = vim.api.nvim_echo(cmdmsg, true, pg)

  vim.system({ vim.o.shell, vim.o.shellcmdflag, opts.args }, {}, function(o)
    pg.percent = 100
    if not o.code or o.code ~= 0 then
      pg.status = "failed"
      cmdmsg[3] = { (" exited with code %d SIG%d"):format(o.code, o.signal) }
      vim.schedule(function()
        vim.api.nvim_echo(cmdmsg, true, pg)
      end)
    else
      pg.status = "success"
      cmdmsg[3] = { (" exited succesfully"):format(o.code, o.signal) }
      vim.schedule(function()
        vim.api.nvim_echo(cmdmsg, true, pg)
      end)
    end
  end)
end, {
  nargs = "*",
  complete = "shellcmd",
  desc = "run shell command",
})