const saveUserData = async (req, res, next) => {
  try {
    if (!Array.isArray(req.body.users)) {
      return res.status(400).json({ message: 'Invalid input format' });
    }

    const results = [];
    const errors = [];

    for (const user of req.body.users) {
      try {
        const saveUser = new saveuser({
          email: user.email,
          password: user.password,
        });

        const savedUser = await saveUser.save();
        const userID = savedUser._id;

        const saveDetail = new saveUserDetails({
          user_id: userID,
          name: user.name,
          phone: user.phone,
          country: user.country,
          file: user.file.filename,
        });

        const savedDetail = await saveDetail.save();

        results.push({
          status: 'success',
          user: savedUser,
          details: savedDetail,
        });
      } catch (error) {
        if (user.file && user.file.path && fs.existsSync(user.file.path)) {
          fs.unlinkSync(user.file.path);
        }
        if (error.name === 'ValidationError') {
          const validationError = {};
          for (const key in error.errors) {
            validationError[key] = error.errors[key].message;
          }
          errors.push({
            user: user,
            error: validationError,
          });
        } else {
          errors.push({
            user: user,
            error: 'Server Error',
          });
        }
      }
    }

    if (errors.length > 0) {
      return res.status(207).json({ results, errors });
    }

    res.status(200).json({ results });
  } catch (error) {
    res.status(500).json({
      message: 'Server Error',
    });
  }
};