import type { NextFunction, Response } from 'express';

import type { UserActivationErrorCode } from '~/interfaces/errors/user-activation';
import type { ReqWithUserRegistrationOrder } from '~/server/middlewares/inject-user-registration-order-by-token-middleware';

type Crowi = {
  nextApp: any;
};

type CrowiReq = ReqWithUserRegistrationOrder & {
  crowi: Crowi;
};

/**
 * @swagger
 *
 * /user-activation/{token}:
 *   get:
 *     summary: /user-activation/{token}
 *     tags: [Users]
 *     parameters:
 *       - name: token
 *         in: path
 *         required: true
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: User activation successful
 *         content:
 *           text/html:
 *             schema:
 *               type: string
 */
export const renderUserActivationPage = (crowi: Crowi) => {
  return (req: CrowiReq, res: Response): void => {
    const { userRegistrationOrder } = req;
    const { nextApp } = crowi;
    req.crowi = crowi;
    nextApp.render(req, res, '/user-activation', { userRegistrationOrder });
    return;
  };
};

// middleware to handle error
export const tokenErrorHandlerMiddeware = (crowi: Crowi) => {
  return (
    error: Error & { code: UserActivationErrorCode; statusCode: number },
    req: CrowiReq,
    res: Response,
    next: NextFunction,
  ): void => {
    if (error != null) {
      const { nextApp } = crowi;
      req.crowi = crowi;
      nextApp.render(req, res, '/user-activation', { errorCode: error.code });
      return;
    }

    next();
  };
};