package com.rediska1114.plugins.GoogleAuth;

import android.content.Intent;
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 com.rediska1114.plugins.GoogleAuth.GoogleAuth.R;
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);
        boolean forceCodeForRefreshToken = false;

        Boolean forceRefreshToken = (Boolean) getConfigValue("forceCodeForRefreshToken");
        if (forceRefreshToken != null) {
            forceCodeForRefreshToken = forceRefreshToken;
        }

        GoogleSignInOptions.Builder googleSignInBuilder = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
            .requestIdToken(clientId)
            .requestEmail();

        if (forceCodeForRefreshToken) {
            googleSignInBuilder.requestServerAuthCode(clientId, true);
        }

        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("idToken", account.getIdToken());
            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 refresh(final PluginCall call) {
        // I have just copy-paste this code from https://github.com/CodetrixStudio/CapacitorGoogleAuth.git
        call.error("I don't know how to refresh token on Android");
    }

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