package core

import (
	"backend/util"
	"image"
	"image/jpeg"
	"os"
	"path/filepath"

	"github.com/disintegration/imaging"
)

func CompressImage(path string) {
	// Creating folder + output file
	if err := os.MkdirAll(filepath.Dir(".temp"), 0755); err != nil {
		util.Logformatrn(util.ERROR, "Failed to create temp directory (%v)", err)
		return
	}
	outputFile, err := os.Create(".temp/test.jpeg")
	if err != nil {
		util.Logformatrn(util.ERROR, "Failed to create file: %v", err)
	}
	defer outputFile.Close()

	// Opening image + Reducing its size and quality
	img, err := imaging.Open(path)
	if err != nil {
		util.Logformatrn(util.ERROR, "Failed to open image: %v", err)
	}
	width := float64(img.Bounds().Dx())
	height := float64(img.Bounds().Dy())
	ratio := float64(0)
	var imgOutput *image.NRGBA
	if width < height {
		ratio = height / width
		imgOutput = imaging.Resize(img, 283, int(283*ratio), imaging.Lanczos)
	} else {
		ratio = width / height
		imgOutput = imaging.Resize(img, int(283*ratio), 283, imaging.Lanczos)
	}

	// Encoding to jpeg afterwards
	if err := jpeg.Encode(outputFile, imgOutput, &jpeg.Options{Quality: 30}); err != nil {
		util.Logformatrn(util.ERROR, "Failed to save image: %v", err)
	}
}