[feat]#107 googleLogin 성공

logout은 아직

app/src/main/java/kr/co/nottodo/presentation/login/view/LoginActivity.kt

@@ -1,22 +1,39 @@
 package kr.co.nottodo.presentation.login.view
 
+import android.content.Intent
 import android.os.Bundle
+import android.util.Log
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import com.bumptech.glide.Glide
+import com.google.android.gms.auth.api.signin.GoogleSignIn
+import com.google.android.gms.auth.api.signin.GoogleSignInClient
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions
+import com.google.android.gms.common.api.ApiException
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.auth.FirebaseUser
+import com.google.firebase.auth.GoogleAuthProvider
+import com.google.firebase.auth.ktx.auth
+import com.google.firebase.ktx.Firebase
 import com.kakao.sdk.auth.AuthApiClient
 import com.kakao.sdk.auth.model.OAuthToken
 import com.kakao.sdk.common.model.ClientError
 import com.kakao.sdk.common.model.ClientErrorCause
 import com.kakao.sdk.user.UserApiClient
+import kr.co.nottodo.Application
+import kr.co.nottodo.BuildConfig
 import kr.co.nottodo.databinding.ActivityLoginBinding
 import kr.co.nottodo.presentation.login.viewmodel.LoginViewModel
 import timber.log.Timber
 
 class LoginActivity : AppCompatActivity() {
     lateinit var binding: ActivityLoginBinding
     private val viewModel by viewModels<LoginViewModel>()
-
+    private lateinit var auth: FirebaseAuth
+    private lateinit var mGoogleSignInClient: GoogleSignInClient
+    private lateinit var startGoogleLoginForResult: ActivityResultLauncher<Intent>
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -26,6 +43,56 @@ class LoginActivity : AppCompatActivity() {
         observeIsLoggedIn()
         setKakaoLogin()
         setKakaoLogout()
+//        googleInit()
+        auth = Firebase.auth
+//        binding.btnGoogleLogin.setOnClickListener {
+//            val signInIntent = mGoogleSignInClient.signInIntent
+//            startGoogleLoginForResult.launch(signInIntent)
+//        }
+        val requestLauncher = registerForActivityResult(
+            ActivityResultContracts.StartActivityForResult()
+        ) {
+            //구글 로그인 결과 처리...........................
+            val task = GoogleSignIn.getSignedInAccountFromIntent(it.data)
+            try {
+                val account = task.getResult(ApiException::class.java)!!
+                val credential = GoogleAuthProvider.getCredential(account.idToken, null)
+                Application.auth.signInWithCredential(credential)
+                    .addOnCompleteListener(this) { task ->
+                        if (task.isSuccessful) {
+                            Application.email = account.email
+                            Log.d("Login1", "signInWithCredential:success")
+                            val user = auth.currentUser
+                            updateUI(user)
+//                        changeVisibility("login")
+                        } else {
+                            Log.w("Login2", "signInWithCredential:failure", task.exception)
+//                        changeVisibility("logout")
+                        }
+                    }
+            } catch (e: ApiException) {
+//            changeVisibility("logout")
+                Log.e("Login3", "login E$e")
+            }
+        }
+        binding.btnGoogleLogin.setOnClickListener {
+            //구글 로그인....................
+            val gso = GoogleSignInOptions
+                .Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+                .requestIdToken(GOOGLE_CLIENT_ID)
+                .requestEmail()
+                .build()
+            val signInIntent = GoogleSignIn.getClient(this, gso).signInIntent
+            requestLauncher.launch(signInIntent)
+        }
+
+        binding.btnGoogleLogout.setOnClickListener {
+            //로그아웃...........
+            Application.auth.signOut()
+            Application.email = null
+            binding.tvGoogleNickname.text = ""
+//            changeVisibility("logout")
+        }
     }
 
     private fun observeIsLoggedIn() {
@@ -128,4 +195,67 @@ class LoginActivity : AppCompatActivity() {
             }
         }
     }
+
+    private fun googleInit() {
+
+        val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+            .requestIdToken(GOOGLE_CLIENT_ID)
+            .requestEmail()
+            .requestProfile()
+            .requestId()
+            .build()
+
+        mGoogleSignInClient = GoogleSignIn.getClient(this, gso)
+
+//        startGoogleLoginForResult =
+//            registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result: ActivityResult ->
+//                if (result.resultCode == RESULT_OK) {
+//                    result.data?.let { data ->
+//
+//                        val task = GoogleSignIn.getSignedInAccountFromIntent(data)
+//
+//                        try {
+//                            // Google Sign In was successful, authenticate with Firebase
+//                            val account = task.getResult(ApiException::class.java)!!
+//                            Log.d("LoginActivity", "firebaseAuthWithGoogle:" + account.id)
+//                            firebaseAuthWithGoogle(account.idToken!!)
+//                        } catch (e: ApiException) {
+//                            // Google Sign In failed, update UI appropriately
+//                            Log.w("Login", "Google sign in failed", e)
+//                        }
+//                    }
+//                    // Google Login Success
+//                } else {
+//                    Log.e("Login", "Google Result Error ${result}")
+//                }
+//            }
+    }
+
+    // [START auth_with_google]
+    private fun firebaseAuthWithGoogle(idToken: String) {
+        val credential = GoogleAuthProvider.getCredential(idToken, null)
+        auth.signInWithCredential(credential)
+            .addOnCompleteListener(this) { task ->
+                if (task.isSuccessful) {
+                    // Sign in success, update UI with the signed-in user's information
+                    Log.d("Login", "signInWithCredential:success")
+                    val user = auth.currentUser
+                    updateUI(user)
+                } else {
+                    // If sign in fails, display a message to the user.
+                    Log.w("Login", "signInWithCredential:failure", task.exception)
+                    updateUI(null)
+                }
+            }
+    }
+
+    private fun updateUI(user: FirebaseUser?) {
+        // FirebaseUser 데이터에 따른 UI 작업
+        binding.tvGoogleNickname.text = user?.displayName
+    }
+
+    companion object {
+        private const val GOOGLE_CLIENT_ID = BuildConfig.GOOGLE_CLIENT_ID
+    }
+
 }