package main

import (
	"fmt"
	"io"
	"path/filepath"
	"text/template"
)

func Render(w io.Writer, templateName string, data interface{}) error {
	asTemplatePath := func(templateName string) string {
		return filepath.Join("templates", fmt.Sprintf("%s.html.tmpl", templateName))
	}

	templatePartials := []string{
		asTemplatePath(templateName),
		asTemplatePath("base"),
	}

	tmpl, err := template.New(templateName).ParseFiles(templatePartials...)

	if err != nil {
		return err
	}

	return tmpl.ExecuteTemplate(w, "base", data)
}