package html

import (
	"crypto/sha256"
	"encoding/hex"
	"log"
	"strings"
	"piekarnikgosi/utils"
)

func imageSrcDst(input string) (src, dst string) {
	src = "img/" + input
	hash := sha256.Sum256([]byte(input))
	dst = "www/images/" + hex.EncodeToString(hash[:])[:16] + ".avif"
	return src, dst
}

func processImage(fileName string) string {
	dst, err := utils.CopyIfNotExists(imageSrcDst(fileName))

	if err != nil {
		log.Fatal(err)
	}

	return dst[4:]
}

func stripSize(path string) string {
	if strings.Contains(path, "wide") {
		return "wide"
	}
	if strings.Contains(path, "tall") {
		return "tall"
	}
	if strings.Contains(path, "large") {
		return "large"
	}
	return ""
	}

templ AvifImage(srcPath, alt string) {

	<img class={stripSize(srcPath)} src={ processImage(srcPath) } alt={ alt }/>
}