import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.ImageView
import android.widget.TextView
import com.google.android.material.snackbar.Snackbar
import java.io.File
import java.io.FileOutputStream
import java.io.IOException
import java.util.*

class MainActivity : AppCompatActivity() {

    private var previousImage: Bitmap? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // Initialize the UI elements
        val scanButton = findViewById<Button>(R.id.scan_button)
        val imageView = findViewById<ImageView>(R.id.image_view)
        val textView = findViewById<TextView>(R.id.text_view)

        // Set the click listener for the scan button
        scanButton.setOnClickListener {
            // Capture the current image
            val image = captureImage()

            // Analyze the image to find the edges of the slide
            val edges = findEdges(image)

            // Find the area of the image that has not yet been captured
            val areaYetToCapture = findAreaYetToCapture(edges)

            // Stitch the area yet to capture to the previous image
            val stitchedImage = stitchImage(areaYetToCapture)

            // Set the previous image to the current image
            previousImage = image

            // Display the stitched image
            imageView.setImageBitmap(stitchedImage)
        }
    }

    // Capture the current image
    private fun captureImage(): Bitmap {
        // TODO: Implement the code to capture the current image
        return Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888)
    }

    // Find the edges of the slide
    private fun findEdges(image: Bitmap): List<Float> {
        // TODO: Implement the code to find the edges of the slide
        return emptyList()
    }

    // Find the area of the image that has not yet been captured
    private fun findAreaYetToCapture(edges: List<Float>): Rect {
        // TODO: Implement the code to find the area of the image that has not yet been captured
        return Rect()
    }

    // Stitch the area yet to capture to the previous image
    private fun stitchImage(areaYetToCapture: Rect): Bitmap {
        // TODO: Implement the code to stitch the area yet to capture to the previous image
        return Bitmap()
    }
}