package main

import (
	"html/template"
	"log"
	"net/http"
	"os"
)

func main() {
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	// Serve static assets
	fs := http.FileServer(http.Dir("static"))
	http.Handle("/static/", http.StripPrefix("/static/", fs))

	// Page routes
	http.HandleFunc("/", handleIndex)

	// HTMX partial routes
	http.HandleFunc("/partials/waitlist", handleWaitlist)

	log.Printf("Arcline Project server starting on :%s", port)
	if err := http.ListenAndServe(":"+port, nil); err != nil {
		log.Fatalf("server failed: %v", err)
	}
}

func handleIndex(w http.ResponseWriter, r *http.Request) {
	if r.URL.Path != "/" {
		http.NotFound(w, r)
		return
	}

	tmpl, err := template.ParseFiles("templates/base.html", "templates/index.html")
	if err != nil {
		log.Printf("template error: %v", err)
		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
		return
	}

	data := map[string]interface{}{
		"Title": "Arcline Project",
	}

	w.Header().Set("Content-Type", "text/html; charset=utf-8")
	if err := tmpl.ExecuteTemplate(w, "base", data); err != nil {
		log.Printf("render error: %v", err)
	}
}

func handleWaitlist(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
		return
	}

	email := r.FormValue("email")

	// Parse edition preferences (checkboxes with same name)
	r.ParseForm()
	editions := r.Form["edition"]
	log.Printf("Waitlist signup: %s | editions: %v", email, editions)

	tmpl, err := template.ParseFiles("templates/partials/waitlist_confirmation.html")
	if err != nil {
		log.Printf("template error: %v", err)
		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "text/html; charset=utf-8")
	if err := tmpl.Execute(w, map[string]string{"Email": email}); err != nil {
		log.Printf("render error: %v", err)
	}
}