package com.codetrixstudio.capacitor.GoogleAuth;

import android.content.Intent;

import com.codetrixstudio.capacitor.GoogleAuth.capacitorgoogleauth.R;
import com.getcapacitor.JSObject;
import com.getcapacitor.NativePlugin;
import com.getcapacitor.Plugin;
import com.getcapacitor.PluginCall;
import com.getcapacitor.PluginMethod;
import com.google.android.gms.auth.api.signin.GoogleSignIn;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
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.android.gms.common.api.Scope;
import com.google.android.gms.tasks.Task;

import org.json.JSONArray;
import org.json.JSONException;

@NativePlugin(requestCodes = GoogleAuth.RC_SIGN_IN)
public class GoogleAuth extends Plugin {
  static final int RC_SIGN_IN = 1337;
  private GoogleSignInClient googleSignInClient;

  @Override
  public void load() {
    String clientId = this.getContext().getString(R.string.server_client_id);
    GoogleSignInOptions.Builder googleSignInBuilder = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
      .requestIdToken(clientId)
      .requestEmail();

    try {
      JSONArray scopeArray = (JSONArray) getConfigValue("scopes");
      Scope[] scopes = new Scope[scopeArray.length() - 1];
      Scope firstScope = new Scope(scopeArray.getString(0));
      for (int i = 1; i < scopeArray.length(); i++) {
        scopes[i - 1] = new Scope(scopeArray.getString(i));
      }
      googleSignInBuilder.requestScopes(firstScope, scopes);
    } catch (JSONException e) {
      e.printStackTrace();
    }

    GoogleSignInOptions googleSignInOptions = googleSignInBuilder.build();
    googleSignInClient = GoogleSignIn.getClient(this.getContext(), googleSignInOptions);
  }

  @PluginMethod()
  public void signIn(PluginCall call) {
    saveCall(call);
    Intent signInIntent = googleSignInClient.getSignInIntent();
    startActivityForResult(call, signInIntent, RC_SIGN_IN);
  }

  @Override
  protected void handleOnActivityResult(int requestCode, int resultCode, Intent data) {
    super.handleOnActivityResult(requestCode, resultCode, data);

    if (requestCode == RC_SIGN_IN) {
      Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
      handleSignInResult(task);
    }
  }

  private void handleSignInResult(Task<GoogleSignInAccount> completedTask) {
    PluginCall signInCall = getSavedCall();

    if (signInCall == null) return;

    try {
      GoogleSignInAccount account = completedTask.getResult(ApiException.class);

      JSObject authentication = new JSObject();
      authentication.put("idToken", account.getIdToken());

      JSObject user = new JSObject();
      user.put("serverAuthCode", account.getServerAuthCode());
      user.put("authentication", authentication);
      
      user.put("displayName", account.getDisplayName());
      user.put("email", account.getEmail());
      user.put("familyName", account.getFamilyName());
      user.put("givenName", account.getGivenName());
      user.put("id", account.getId());
      user.put("imageUrl", account.getPhotoUrl());

      signInCall.success(user);

    } catch (ApiException e) {
      signInCall.error("Something went wrong", e);
    }
  }


  @PluginMethod()
  public void signOut(final PluginCall call) {
    googleSignInClient.signOut();
    call.success();
  }
}