package assets

import (
	"embed"
	"log"

	"golang.org/x/image/font"
	"golang.org/x/image/font/opentype"
)

//go:embed *
var FontFiles embed.FS
var fontFace font.Face

func LoadFontFace(fileName string, size float64) font.Face {
	fontBytes, err := FontFiles.ReadFile(fileName)
	if err != nil {
		log.Fatal(err)
	}

	tt, err := opentype.Parse(fontBytes)
	if err != nil {
		log.Fatal(err)
	}

	const dpi = 144
	fontFace, err = opentype.NewFace(tt, &opentype.FaceOptions{
		Size:    size,
		DPI:     dpi,
		Hinting: font.HintingNone,
	})
	if err != nil {
		log.Fatal(err)
	}

	return fontFace
}