#!/usr/bin/swift
import Foundation
import CoreImage
import CoreGraphics
import AVFoundation
guard CommandLine.arguments.count > 1 else {
    fatalError("There is no required argument 'path_to_image'")
}
let imageUrl = URL(fileURLWithPath: CommandLine.arguments[1])
guard let ciImage = CIImage(contentsOf: imageUrl) else {
    fatalError("Couldn't create a CIImage for the given file")
}
let cgImage = CIContext().createCGImage(ciImage, from: ciImage.extent)
let heicImageUrl = imageUrl.deletingPathExtension().appendingPathExtension("heic")
let destinationData = NSMutableData()
guard
    let cgImage = cgImage,
    let destination = CGImageDestinationCreateWithData(
        destinationData,
        AVFileType.heic as CFString,
        1,
        nil
    )
else { fatalError("Couldn't create a CGImage destination") }
let options = [kCGImageDestinationLossyCompressionQuality: 0.85]
CGImageDestinationAddImage(destination, cgImage, options as CFDictionary)
CGImageDestinationFinalize(destination)
try! (destinationData as Data).write(to: heicImageUrl)
try! FileManager.default.removeItem(at: imageUrl)

xcrun actool \
  --platform iphoneos --platform iphonesimulator \
  --minimum-deployment-target 12.0 \
  --target-device universal \
  --output-format human-readable-text \
  --compile {Path/To/Assets.car} {Path/To/Assets.xcassets}