package main

import (
	"fmt"
	"html/template"
	"net/http"
)

var page *template.Template

func main() {
	fmt.Println("welcome to forum")

	page = template.Must(template.ParseGlob("templates/*.html"))

	http.Handle("/styles/", http.StripPrefix("/styles/", http.FileServer(http.Dir("styles"))))

	http.HandleFunc("/", IndexHandler)
	http.HandleFunc("/profile/", ProfileHandler)
	http.HandleFunc("/register/", LoginHandler)
	http.HandleFunc("/signin/", LoginHandler)

	http.HandleFunc("/profile/posts/", LoginHandler) // css not reached
	http.HandleFunc("/profile/likes/", LoginHandler) // css not reached

	http.HandleFunc("/posts/", ErrHandler)      // temporary
	http.HandleFunc("/categories/", ErrHandler) // temporary

	fmt.Println("http://localhost:8080")
	http.ListenAndServe(":8080", nil)
}

func IndexHandler(w http.ResponseWriter, r *http.Request) {
	if err := page.ExecuteTemplate(w, "home.html", nil); err != nil {
		http.Error(w, "Internal Error", http.StatusInternalServerError)
	}
}

func ProfileHandler(w http.ResponseWriter, r *http.Request) {
	if err := page.ExecuteTemplate(w, "profile.html", nil); err != nil {
		http.Error(w, "Internal Error", http.StatusInternalServerError)
	}
}

func LoginHandler(w http.ResponseWriter, r *http.Request) {
	if err := page.ExecuteTemplate(w, "login.html", nil); err != nil {
		http.Error(w, "Internal Error", http.StatusInternalServerError)
	}
}

func ErrHandler(w http.ResponseWriter, r *http.Request) {
	if err := page.ExecuteTemplate(w, "error.html", nil); err != nil {
		http.Error(w, "Internal Error", http.StatusInternalServerError)
	}
}