package oppen.ariane.ui.modals_menus.about

import android.content.Context
import android.content.Intent
import android.net.Uri
import android.os.Handler
import android.os.Looper
import android.view.View
import androidx.appcompat.app.AppCompatDialog
import androidx.appcompat.widget.AppCompatTextView
import kotlinx.android.synthetic.main.dialog_about.view.*
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import oppen.ariane.BuildConfig
import oppen.ariane.R
import java.lang.StringBuilder
import java.security.SecureRandom
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory

object AboutDialog {

    fun show(context: Context){
        val dialog = AppCompatDialog(context, R.style.AppTheme)

        val view = View.inflate(context, R.layout.dialog_about, null)
        dialog.setContentView(view)

        view.close_tab_dialog.setOnClickListener {
            dialog.dismiss()
        }

        view.version_label.text = BuildConfig.VERSION_NAME

        view.gnu_license_button.setOnClickListener {
            context.startActivity(Intent(Intent.ACTION_VIEW).apply {
                data = Uri.parse("https://www.gnu.org/licenses/gpl-3.0.html")
            })
        }

        view.oppenlab_button.setOnClickListener {
            context.startActivity(Intent(Intent.ACTION_VIEW).apply {
                data = Uri.parse("https://oppenlab.net")
            })
        }

        buildTLSInfo(view.tls_info)


        dialog.show()
    }

    private fun buildTLSInfo(tlsInfo: AppCompatTextView?) {
        GlobalScope.launch {
            val sb = StringBuilder()

            val sslContext = SSLContext.getInstance("TLS")
            sslContext.init(null, null, SecureRandom())
            val factory: SSLSocketFactory = sslContext.socketFactory
            val socket = factory.createSocket() as SSLSocket

            sb.append("\n")
            sb.append("Supported TLS protocols on this device:\n\n")
            socket.supportedProtocols.forEach { protocol ->
                sb.append("$protocol \n")
            }

            sb.append("\n\n")

            sb.append("Supported cipher suites on this device:\n\n")
            val allCipherSuites = factory.supportedCipherSuites
            allCipherSuites.forEach { cipherSuite ->
                sb.append("$cipherSuite \n")
            }

            sb.append("\n")
            Handler(Looper.getMainLooper()).post{
                tlsInfo?.text = sb.toString()
            }
        }
    }
}