package templates

import (
	"bytes"
	"embed"
	"fmt"
	"text/template"
)

//go:embed *.tmpl
var templates embed.FS

func GetTemplates() (*template.Template, error) {
	tmpl, err := template.New("").ParseFS(templates, "*.tmpl")
	if err != nil {
		return nil, fmt.Errorf("cannot parse templates: %w", err)
	}

	return tmpl, nil
}

func Execute(data any) ([]byte, error) {
	buffer := bytes.NewBufferString("")
	tmpl, err := GetTemplates()
	if err != nil {
		return nil, fmt.Errorf("cannot get templates: %w", err)
	}

	if err := tmpl.ExecuteTemplate(buffer, "recipe", data); err != nil {
		return nil, fmt.Errorf("cannot execute template: %w", err)
	}

	return buffer.Bytes(), nil
}