package templateHelper

import (
	"fmt"
	"log"
	"net/http"
	"os"

	"synlotto-website/internal/models"
)

// RenderError renders an HTML error page (e.g., 404.html, 500.html).
// It uses TemplateContext which reads site meta from InitSiteMeta().
func RenderError(w http.ResponseWriter, r *http.Request, statusCode int) {
	log.Printf("⚙️ RenderError called with status: %d", statusCode)

	ctx := TemplateContext(w, r, models.TemplateData{})

	pagePath := fmt.Sprintf("templates/error/%d.html", statusCode)
	log.Printf("📄 Checking for template file: %s", pagePath)

	if _, err := os.Stat(pagePath); err != nil {
		log.Printf("🚫 Template file missing: %s", err)
		http.Error(w, http.StatusText(statusCode), statusCode)
		return
	}

	tmpl := LoadTemplateFiles(fmt.Sprintf("%d.html", statusCode), pagePath)

	w.WriteHeader(statusCode)
	if err := tmpl.ExecuteTemplate(w, "layout", ctx); err != nil {
		log.Printf("❌ Failed to render error page layout: %v", err)
		http.Error(w, http.StatusText(statusCode), statusCode)
		return
	}

	log.Println("✅ Successfully rendered error page")
}