package web

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

	appweb "{{ .module_path }}/web"
)

func parseTemplates() (*template.Template, error) {
	t, err := template.ParseFS(appweb.Assets, "templates/*.html")
	if err != nil {
		return nil, fmt.Errorf("parse templates: %w", err)
	}
	return t, nil
}

func (s *Server) render(w http.ResponseWriter, name string, data any) error {
	w.Header().Set("Content-Type", "text/html; charset=utf-8")
	if err := s.tmpl.ExecuteTemplate(w, name, data); err != nil {
		http.Error(w, "template error", http.StatusInternalServerError)
		return fmt.Errorf("render %s: %w", name, err)
	}
	return nil
}