import { Prisma } from "@prisma/client";
import type { NextApiRequest } from "next";

import { defaultResponder } from "@calcom/lib/server";

import { withMiddleware } from "~/lib/helpers/withMiddleware";
import { schemaUsersReadPublic } from "~/lib/validations/user";

/**
 * @swagger
 * /users:
 *   get:
 *     operationId: listUsers
 *     summary: Find all users.
 *     parameters:
 *       - in: query
 *         name: apiKey
 *         required: true
 *         schema:
 *           type: string
 *         description: Your API key
 *     tags:
 *     - users
 *     responses:
 *       200:
 *         description: OK
 *       401:
 *        description: Authorization information is missing or invalid.
 *       404:
 *         description: No users were found
 */
async function getHandler(req: NextApiRequest) {
  const {
    userId,
    prisma,
    isAdmin,
    pagination: { take, skip },
  } = req;
  const where: Prisma.UserWhereInput = {};
  // If user is not ADMIN, return only his data.
  if (!isAdmin) where.id = userId;
  const [total, data] = await prisma.$transaction([
    prisma.user.count(),
    prisma.user.findMany({ where, take, skip }),
  ]);
  const users = schemaUsersReadPublic.parse(data);
  return { users, total };
}

export default withMiddleware("pagination")(defaultResponder(getHandler));