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package blog

import (
	"fmt"
	"html/template"
	"io/fs"

	"github.com/bmatcuk/doublestar/v4"
)

func parseTemplates(fs fs.FS) (*template.Template, error) {
	matches, err := doublestar.Glob(fs, "**/*.html")
	if err != nil {
		return nil, fmt.Errorf("could not glob templates: %w", err)
	}
	tmpl, err := template.New("").ParseFiles(matches...)
	if err != nil {
		return nil, fmt.Errorf("could not parse templates: %w", err)
	}
	return tmpl, nil
}