package handlers

import (
    "io/ioutil"
    "log"
    "net/http"
    "github.com/gorilla/sessions"
    "html/template"
)

func AboutHandler(app *App) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        session := r.Context().Value("session").(*sessions.Session)
        loggedIn := session.Values["user_id"] != nil

        aboutContent, err := ioutil.ReadFile("config/about.template")
        if err != nil {
            log.Printf("Error reading about.template: %v", err)
            http.Error(w, "Internal Server Error", http.StatusInternalServerError)
            return
        }

        data := struct {
            PageData
            AboutContent template.HTML
        }{
            PageData: PageData{
                Title:            "ThreadR - About",
                Navbar:           "about",
                LoggedIn:         loggedIn,
                ShowCookieBanner: true,
                BasePath:         app.Config.ThreadrDir,
                StaticPath:       app.Config.ThreadrDir + "/static",
                CurrentURL:       r.URL.Path,
            },
            AboutContent: template.HTML(aboutContent),
        }

        if err := app.Tmpl.ExecuteTemplate(w, "about", data); err != nil {
            log.Printf("Error executing template in AboutHandler: %v", err)
            http.Error(w, "Internal Server Error", http.StatusInternalServerError)
            return
        }
    }
}