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package net.lacolaco.smileessence.activity
import android.annotation.SuppressLint
import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.os.Parcelable
import android.support.v7.app.AppCompatActivity
import android.text.Editable
import android.text.TextWatcher
import android.widget.Toast
import kotlinx.android.parcel.Parcelize
import kotlinx.android.synthetic.main.layout_oauth.*
import net.lacolaco.smileessence.R
import net.lacolaco.smileessence.twitter.TwitterTaskException
import net.lacolaco.smileessence.util.bg
import net.lacolaco.smileessence.util.browse
import net.lacolaco.smileessence.util.launchUi
import twitter4j.TwitterFactory
import twitter4j.auth.RequestToken
class OAuthActivity : AppCompatActivity() {
private var requestTokenPair: RequestTokenPair? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.layout_oauth)
if (savedInstanceState != null)
requestTokenPair = savedInstanceState.getParcelable(KEY_REQUEST_TOKEN)
else
launchUi {
try {
requestTokenPair = RequestTokenPair.requestNewAsync().await()
browse(requestTokenPair!!.requestToken.authorizationURL)
} catch (e: TwitterTaskException) {
e.printStackTrace()
Toast.makeText(this@OAuthActivity,
"Could not get a request token (${e.message})",
Toast.LENGTH_LONG).show()
setResult(Activity.RESULT_CANCELED)
finish()
}
}
button_oauth_auth.isEnabled = false
editText_oauth_verifier.addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(p0: Editable) {}
override fun beforeTextChanged(p0: CharSequence, p1: Int, p2: Int, p3: Int) {}
override fun onTextChanged(p0: CharSequence, p1: Int, p2: Int, p3: Int) {
button_oauth_auth.isEnabled = requestTokenPair != null && p0.isNotEmpty()
}
})
button_oauth_auth.setOnClickListener { verify(editText_oauth_verifier.text.toString()) }
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
outState.putParcelable(KEY_REQUEST_TOKEN, requestTokenPair)
}
private fun verify(verifier: String) {
launchUi {
val accessToken = try {
requestTokenPair!!.getAccessTokenAsync(verifier).await()
} catch (e: TwitterTaskException) {
Toast.makeText(this@OAuthActivity,
"Could not get an access token (${e.message})",
Toast.LENGTH_LONG).show()
setResult(Activity.RESULT_CANCELED)
finish()
return@launchUi
}
val intent = Intent()
intent.putExtra(KEY_TOKEN, accessToken.token)
intent.putExtra(KEY_TOKEN_SECRET, accessToken.tokenSecret)
intent.putExtra(KEY_USER_ID, accessToken.userId)
intent.putExtra(KEY_SCREEN_NAME, accessToken.screenName)
setResult(RESULT_OK, intent)
finish()
}
}
companion object {
const val KEY_TOKEN = "token"
const val KEY_TOKEN_SECRET = "tokenSecret"
const val KEY_SCREEN_NAME = "screenName"
const val KEY_USER_ID = "userID"
private const val KEY_REQUEST_TOKEN = "REQUEST_TOKEN"
}
@Parcelize
@SuppressLint("ParcelCreator")
private class RequestTokenPair(val token: String, val tokenSecret: String) : Parcelable {
val requestToken
get() = RequestToken(token, tokenSecret)
fun getAccessTokenAsync(verifier: String) = bg {
TwitterTaskException.wrap {
TwitterFactory().instance.getOAuthAccessToken(requestToken, verifier)
}
}
companion object {
fun requestNewAsync() = bg {
val requestToken = TwitterTaskException.wrap {
TwitterFactory().instance.getOAuthRequestToken("oob")
}
RequestTokenPair(requestToken.token, requestToken.tokenSecret)
}
}
}
}
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