#include "routes.h"
#include "../servehelper.h"
#include "../client.h"
#include "../models.h"

void status_route(const httplib::Request& req, httplib::Response& res) {
    std::string server = req.matches.str(1);
    std::string id = req.matches.str(2);

    std::optional<Post> post;
    PostContext context;
    try {
        post = mastodon_client.get_post(server, id);
        if (post) {
            context = mastodon_client.get_post_context(server, id);
        }
    } catch (const std::exception& e) {
        res.status = 500;
        serve_error(req, res, "500: Internal server error", "Failed to fetch post information", e.what());
        return;
    }

    if (!post) {
        res.status = 404;
        serve_error(req, res, "404: Post not found");
        return;
    }

    if (post->reblog) {
        serve_redirect(req, res, get_origin(req) + '/' + server + "/@" + post->reblog->account.acct(false) + '/' + post->reblog->id, true);
        return;
    }

    Element body("body");
    body.nodes.reserve(context.ancestors.size() * 2 + 1 + context.descendants.size() * 2);

    for (const Post& i : context.ancestors) {
        body.nodes.push_back(serialize_post(req, server, i));
        body.nodes.push_back(Element("hr"));
    }
    body.nodes.push_back(serialize_post(req, server, *post, false, true));
    for (const Post& i : context.descendants) {
        body.nodes.push_back(Element("hr"));
        body.nodes.push_back(serialize_post(req, server, i));
    }

    serve(req, res, "", std::move(body));
}