middleware.js

const Listing =require("./Model/listings");
const Review =require("./Model/reviews");
module.exports.isLoggedIn = (req, res, next) => {
    if (!req.isAuthenticated()) {
        if (!req.session.redirectUrl) {
            req.session.redirectUrl = req.originalUrl;  // Store the requested URL
            console.log("Stored redirect URL:", req.session.redirectUrl);  // Debugging
        }
        req.flash("error", "You must be logged in first.");
        return res.redirect("/login");
    }
    next();
};




module.exports.settingRedirectUrl = (req, res, next) => {
    if (req.session.redirectUrl) {
        console.log("Original Redirect URL:", req.session.redirectUrl);
        // Check if the redirect URL contains '/reviews'
        if (req.session.redirectUrl.includes('/reviews')) {
            // Split the URL into parts (e.g., "/listing/123/reviews" becomes ["", "listing", "123", "reviews"])
            const parts = req.session.redirectUrl.split('/');
            // The ID is the third part (index 2)
            const id = parts[2];
            // Set the redirect URL to just '/listing/:id'
            req.session.redirectUrl = `/listing/${id}`;
            console.log("Updated Redirect URL:", req.session.redirectUrl);
        }
        res.locals.redirectUrl = req.session.redirectUrl;
    }
    next();
};


module.exports.isOwner = async(req,res,next) => {
    let { id } = req.params;
    let listing=await Listing.findById(id);
    if(res.locals.currentUser && !(listing.owner._id.equals(res.locals.currentUser._id))){
        req.flash("error","You are not authorized to edit this listing. Please check your permissions or contact support.");
        return res.redirect(`/listing/${id}`)
    }
    next()
};


module.exports.isReviewAuthor = async(req,res,next) => {
    let {id,reviewId} = req.params;
    let review = await Review.findById(reviewId);
    if(res.locals.currentUser && !(review.author.equals(res.locals.currentUser._id))){
        req.flash("error","You are not author of review");
        return res.redirect(`/listing/${id}`)
    }
    next()
};