import { Request, Response, NextFunction } from "express";
import { db } from "@server/db";
import { userOrgs } from "@server/db/schema";
import { and, eq } from "drizzle-orm";
import createHttpError from "http-errors";
import HttpCode from "@server/types/HttpCode";
import { AuthenticatedRequest } from "@server/types/Auth";

export function verifyOrgAccess(
    req: Request,
    res: Response,
    next: NextFunction
) {
    const userId = req.user!.userId; // Assuming you have user information in the request
    const orgId = req.params.orgId;

    if (!userId) {
        return next(
            createHttpError(HttpCode.UNAUTHORIZED, "User not authenticated")
        );
    }

    if (!orgId) {
        return next(
            createHttpError(HttpCode.BAD_REQUEST, "Invalid organization ID")
        );
    }

    db.select()
        .from(userOrgs)
        .where(and(eq(userOrgs.userId, userId), eq(userOrgs.orgId, orgId)))
        .then((result) => {
            if (result.length === 0) {
                next(
                    createHttpError(
                        HttpCode.FORBIDDEN,
                        "User does not have access to this organization"
                    )
                );
            } else {
                // User has access, attach the user's role to the request for potential future use
                req.userOrgRoleId = result[0].roleId;
                req.userOrgId = orgId;
                next();
            }
        })
        .catch((error) => {
            next(
                createHttpError(
                    HttpCode.INTERNAL_SERVER_ERROR,
                    "Error verifying organization access"
                )
            );
        });
}