package im.jfr.i

import android.content.ClipData
import android.content.ClipboardManager
import android.content.Context
import android.content.Intent
import android.net.Uri
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Parcelable
import android.widget.TextView
import android.widget.Toast
import org.json.JSONObject
import java.net.HttpURLConnection
import java.net.URL
import kotlin.system.exitProcess

class ShareActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_share)

        when (intent?.action) {
            Intent.ACTION_SEND -> {
                if (intent.type?.startsWith("image/") == true) {
                    Thread {
                        handleImage(intent)
                    }.start()
                } else {
                    assert(false) { "Uhoh! Unsupported MIME" }
                }
            }
            else -> {
                assert(false) { "Uhoh! Unsupported intent" }
            }
        }
    }

    private fun handleImage(intent: Intent) {
        val hyphens = "--".toByteArray()
        val boundary = "o3C5AoN2J8vyaYPh9Ewd4xvQwS5DjpJFSeRNF6sAPhS4QrbNL".toByteArray()
        val crlf = "\r\n".toByteArray()

        val url = URL("https://i.jfr.im/upload.php").openConnection() as HttpURLConnection
        url.doOutput = true
        url.requestMethod = "POST"
        url.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary.toString(Charsets.UTF_8))
        val output = url.outputStream
        output.write(hyphens + boundary + crlf)
        (intent.getParcelableExtra<Parcelable>(Intent.EXTRA_STREAM) as? Uri)?.let {
            output.write("Content-Disposition: form-data; name=\"files[]\";filename=\"$it\"\r\n".toByteArray())
            output.write(("Content-Type: "+intent.type+"\r\n").toByteArray())
            output.write(crlf)
            val input = contentResolver.openInputStream(it)
            input?.copyTo(output)
            /*
            val buffer = ByteArray(102400)
            var len = input.read(buffer)
            while (len != -1) {
                output.write(buffer, 0, len)
                len = input.read(buffer)
            }
            */
            input?.close()
            output.write(crlf)
            output.write(hyphens + boundary + hyphens + crlf)
        }
        assert(url.responseCode == 200) { "Response was not 200, " + url.responseCode.toString() + " " + url.responseMessage }
        val tv = findViewById<TextView>(R.id.resultView)
        val jsonStr = url.inputStream.readBytes().toString(Charsets.UTF_8)
        val jsonObj = JSONObject(jsonStr)
        assert(jsonObj.optBoolean("success", false)) { "Response JSON not success" }
        val uploadedLink = jsonObj.getJSONArray("files").getJSONObject(0).getString("url")
        (getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).setPrimaryClip(ClipData.newPlainText(uploadedLink, uploadedLink))

        tv.post {
            tv.text = uploadedLink
            if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.S_V2)
                Toast.makeText(applicationContext, "Copied", Toast.LENGTH_SHORT).show()

            runOnUiThread {
                exitProcess(0)
            }
        }
    }
}