package monnethic.mobile.homepage;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RelativeLayout;
import android.widget.Toast;
import com.example.monnthic.monnethicmobile.R;
import org.json.JSONObject;
import monnethic.mobile.database.User;
import monnethic.mobile.restApi.UserApiHandler;
import monnethic.mobile.wallet.HomeWalletActivity;

public class LoginActivity extends AppCompatActivity {
    private EditText email;
    private EditText password;
    private Button buttonCancel;
    private Button buttonOk;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        email = findViewById(R.id.editTextEmail);
        password = findViewById(R.id.editTextPassword);
        buttonCancel = findViewById(R.id.buttonCancel);
        buttonOk = findViewById(R.id.buttonOkLogin);

        buttonCancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });
        buttonOk.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                validateInput();
            }
        });
    }

    /*
    public void onClickForgetPassword(View v){
        Toast.makeText(this, "Forget password", Toast.LENGTH_SHORT).show();
    }
    public void onClickForgetEmail(View v){
        Toast.makeText(this, "Forget email", Toast.LENGTH_SHORT).show();
    }
    */

    private void validateInput(){
        InputMethodManager inputMethodManager = (InputMethodManager) this.getSystemService(Activity.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(),0);
        if(InputController.isEmptyEdit(email)){
            Toast.makeText(this, "You did not enter your email", Toast.LENGTH_SHORT).show();
        } else if(!InputController.validEmail(email.getText().toString())){
            Toast.makeText(this, "Your email is invalid", Toast.LENGTH_SHORT).show();
        } else if(InputController.isEmptyEdit(password)) {
            Toast.makeText(this, "You did not enter your password", Toast.LENGTH_SHORT).show();
        } else {
            User user = new User(email.getText().toString(),password.getText().toString());
            new UserLoggerTask(this).execute(user);
        }
    }

    //AsyncTask for login
    private class UserLoggerTask extends AsyncTask<User,String,JSONObject> {
        Context mContext;
        RelativeLayout progress = findViewById(R.id.progressLayout);
        private UserLoggerTask(final Context context){
            mContext = context;
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            email.setEnabled(false);
            password.setEnabled(false);
            buttonCancel.setEnabled(false);
            buttonOk.setEnabled(false);
            getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE, WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
            progress.setVisibility(View.VISIBLE);
        }

        @Override
        protected void onPostExecute(JSONObject jsonObject) {
            try{
                if(jsonObject!=null){
                    if(jsonObject.getInt("status")==404){
                        Toast.makeText(mContext, "User Not Found", Toast.LENGTH_SHORT).show();

                        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                        progress.setVisibility(View.GONE);
                        email.setEnabled(true);
                        password.setEnabled(true);
                        buttonCancel.setEnabled(true);
                        buttonOk.setEnabled(true);
                    } else if(jsonObject.getInt("status")==403){
                        Toast.makeText(mContext, "Wrong authentication", Toast.LENGTH_SHORT).show();

                        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                        progress.setVisibility(View.GONE);
                        email.setEnabled(true);
                        password.setEnabled(true);
                        buttonCancel.setEnabled(true);
                        buttonOk.setEnabled(true);
                    } else if(jsonObject.getInt("status")==200){
                        Intent walletHomeIntent = new Intent(LoginActivity.this, HomeWalletActivity.class);
                        walletHomeIntent.putExtra("USER_HASH", jsonObject.getString("user_hash"));
                        walletHomeIntent.putExtra("USER_PWD",password.getText().toString());
                        walletHomeIntent.putExtra("SESSION_ID",jsonObject.getString("session_id"));
                        walletHomeIntent.putExtra("email",email.getText().toString());
                        Boolean approved = new CheckApprovalTask().execute(jsonObject.getString("user_hash"),email.getText().toString()).get();
                        walletHomeIntent.putExtra("approved", approved.toString());
                        LoginActivity.this.startActivity(walletHomeIntent);
                        finish();
                    } else {
                        Toast.makeText(mContext, "AN ERROR OCCURED", Toast.LENGTH_SHORT).show();

                        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                        progress.setVisibility(View.GONE);
                        email.setEnabled(true);
                        password.setEnabled(true);
                        buttonCancel.setEnabled(true);
                        buttonOk.setEnabled(true);
                    }
                }else{
                    Toast.makeText(mContext, "AN ERROR OCCURED", Toast.LENGTH_SHORT).show();

                    getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                    progress.setVisibility(View.GONE);
                    email.setEnabled(true);
                    password.setEnabled(true);
                    buttonCancel.setEnabled(true);
                    buttonOk.setEnabled(true);
                }
            }catch (Exception e){
                e.printStackTrace();

                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
                progress.setVisibility(View.GONE);
                email.setEnabled(true);
                password.setEnabled(true);
                buttonCancel.setEnabled(true);
                buttonOk.setEnabled(true);
            }
        }

        @Override
        protected JSONObject doInBackground(User... u) {
            try{
                UserApiHandler userApiHandler = new UserApiHandler();
                return userApiHandler.loginUser(u[0]);
            }catch (Exception e){
                e.printStackTrace();
                return null;
            }

        }
    }

    private class CheckApprovalTask extends AsyncTask<String,Boolean,Boolean>{
        @Override
        protected Boolean doInBackground(String... strings) {
            try{
                UserApiHandler userApiHandler = new UserApiHandler();
                return userApiHandler.checkApproval(strings[0],strings[1]);
            }catch (Exception e){
                return null;
            }
        }
    }
}