package com.smi.SickleCell;

import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AppCompatDelegate;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import android.Manifest;
import android.content.ContentValues;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.HashMap;

public class MainActivity extends AppCompatActivity  implements AdapterView.OnItemSelectedListener{
    private Button confirmatory,screening;

    private static final int REQUEST_CODE_PICK_FILE = 300;
    String FilePath;
    private TextView result;
    float number1;
    float number2;
    private String TestRandomKey,saveCurrentDate, saveCurrentTime;
    private DatabaseReference TestRef;
    private TextView result_confirmatory;
    String device;
    String result_test;
    String result_test1;
    String targetUri;

    String directory_path;
    float value;
    int flag=0;

    File file=null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);
        String directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";

        screening=findViewById(R.id.screening);
        confirmatory=findViewById(R.id.confirmatory);
        TestRef = FirebaseDatabase.getInstance().getReference().child("Test_Data");

        AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
        Spinner Spinner_gender = findViewById(R.id.spinner_device);
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
                R.array.instrument, android.R.layout.simple_spinner_item);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        Spinner_gender.setAdapter(adapter);
        Spinner_gender.setOnItemSelectedListener(this);
        result=findViewById(R.id.result);
        result_confirmatory=findViewById(R.id.result_confirmatory);

        if(ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)!= PackageManager.PERMISSION_GRANTED)
        {

            ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},23);


            directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
            File file = new File(directory_path);
            if (!file.exists()) {
                file.mkdirs();
            }
        }
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
             directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
            File file = new File(directory_path);
            if (!file.exists()) {
                file.mkdirs();
            }
        } else {
            // Request permission from the user
            ActivityCompat.requestPermissions(this,
                    new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 0);
        }


        directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
        File file = new File(directory_path);
        if (!file.exists()) {
            file.mkdirs();
        }








         directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
        file = new File(directory_path);
        if (!file.exists()) {
            file.mkdirs();
        }

        screening.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                flag=1;
                createfolder();

                selectCSVFile();
            }
        });


        confirmatory.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                flag=2;
                createfolder();

                selectCSVFile();

            }
        });





    }

    private void selectCSVFile(){
        if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {

            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 23);
        }
        Uri uri = Uri.parse((Environment.getExternalStorageDirectory().getPath() + "/SickleCell/"));
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
     intent.setDataAndType(uri, "*/*");

       //  intent.setType("*/*");
        startActivityForResult(intent,REQUEST_CODE_PICK_FILE);


    }

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


            case REQUEST_CODE_PICK_FILE: {
                if (resultCode == RESULT_OK) {


                    Log.e("file",data.getData().getPath());

                    FilePath = data.getData().getPath();
                    Log.e("Filepath",FilePath);

                    String filename1=FilePath.substring(FilePath.lastIndexOf("/")+1);

                    Log.e("file",filename1);

                    String s = FilePath;

                    directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
                     targetUri = directory_path+filename1;

                    if(flag==1)
                    {
                        ImportCSV(new File(targetUri));

                    }
                    else if(flag==2)
                    {
                        ImportCSV2(new File(targetUri));

                    }



                }
            }
        }
    }
    private void ImportCSV(File from) {
        ContentValues cv = new ContentValues();
        result_confirmatory.setText("");
        result.setText("");
             try {
            InputStream inputStream = new FileInputStream(from);
            BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));


            String line;
            if(device.equals("TestRight"))
            {
                result_confirmatory.setText("");
                result.setText("");
                Log.e("device", "Test right");

                while ((line = br.readLine()) != null) {
                    String[] values = line.split(",");
                    if (values[0].equals("427.084")) {

                        number1 = Float.parseFloat(String.valueOf(values[1]));

                        Log.e("number1", String.valueOf(number1));


                    }
                    else if(values[0].equals("555.035"))
                    {
                        number2 = Float.parseFloat(String.valueOf(values[1]));
                        Log.e("number2", String.valueOf(number2));




                    }


                }
              value=  number2/number1;


                Log.e("value",String.valueOf(value));
                if(value<0.16)
                {
                    result_confirmatory.setText("");
                    result.setText("Negative");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();
                }
                else
                {
                    result.setText("Positive");
                    result_confirmatory.setText("");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();


                }

            }

            else if (device.equals("Denovix"))
            {
                result_confirmatory.setText("");
                result.setText("");
                Log.e("device", "denovix");

                while ((line = br.readLine()) != null) {
                    String[] values = line.split(",");
                    if (values[2].equals("427.084")) {

                        number1 = Float.parseFloat(String.valueOf(values[3]));

                        Log.e("number1", String.valueOf(number1));


                    }
                    else if(values[2].equals("555.035"))
                    {
                        number2 = Float.parseFloat(String.valueOf(values[3]));
                        Log.e("number2", String.valueOf(number2));




                    }


                }
                value=number2/number1;
                Log.e("value",String.valueOf(value));
                if(value<0.16)
                {
                    result.setText("Negative");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();

                }
                else
                {
                    result.setText("Positive");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();


                }

            }
        } catch (IOException ex) {
            throw new RuntimeException("Error in reading CSV file: " + ex);
        }





    }
    private void ImportCSV2(File from) {
        result_confirmatory.setText("");
        result.setText("");

        try {
            InputStream inputStream = new FileInputStream(from);
            BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));


            String line;
            if(device.equals("TestRight"))
            {
                result_confirmatory.setText("");
                result.setText("");
                Log.e("device", "Test right");

                while ((line = br.readLine()) != null) {
                    String[] values = line.split(",");

                    if (values[0].equals("427.084")) {
                        number1 = Float.parseFloat(String.valueOf(values[1]));
                        Log.e("number1", String.valueOf(number1));


                    }
                    else if(values[0].equals("555.035"))
                    {
                        number2 = Float.parseFloat(String.valueOf(values[1]));
                        Log.e("number2", String.valueOf(number2));




                    }


                }
                value=number2/number1;
                Log.e("value",String.valueOf(value));
                if(value<0.16)
                {
                    result.setText("Negative");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();

                }
                else
                {
                    result.setText("Positive");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();


                }
                if(value>=0.16 && value < 0.24)
                {
                    result_confirmatory.setText("Sickle Cell Trait");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();

                }
                else if( value >=0.24)
                {
                    result_confirmatory.setText("Sickle-Cell Disease");
                    result_test=result.getText().toString();
                    result_test1=result_confirmatory.getText().toString();
                    SaveTestInfoToDatabase();



                }
            }

else if (device.equals("Denovix"))
            {
                result_confirmatory.setText("");
                result.setText("");
                Log.e("device", "denovix");

                while ((line = br.readLine()) != null) {
                    String[] values = line.split(",");
                    if (values[2].equals("427.084")) {
                        number1 = Float.parseFloat(String.valueOf(values[3]));
                        Log.e("number1", String.valueOf(number1));


                    }
                    else if(values[2].equals("555.035"))
                    {
                        number2 = Float.parseFloat(String.valueOf(values[3]));
                        Log.e("number2", String.valueOf(number2));




                    }


                }
                value=number2/number1;
                Log.e("value",String.valueOf(value));
                if(value<0.16)
                {
                    result.setText("Negative");

                }
                else
                {
                    result.setText("Positive");


                }
                if(value>=0.16 && value < 0.24)
                {
                    result_confirmatory.setText("Sickle Cell Trait ");
                    SaveTestInfoToDatabase();

                }
                else if( value >0.24)
                {
                    result_confirmatory.setText("Sickle-Cell Disease");
                    SaveTestInfoToDatabase();


                }
            }

        } catch (IOException ex) {
            throw new RuntimeException("Error in reading CSV file: " + ex);
        }





    }
    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        if(parent.getId() == R.id.spinner_device)
        {
            device = parent.getItemAtPosition(position).toString();

        }

    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {

    }
    private void createfolder()
    {
        directory_path = Environment.getExternalStorageDirectory().getPath() + "/SickleCell/";
        file = new File(directory_path);
        if (!file.exists()) {
            file.mkdirs();
        }

    }


    private void SaveTestInfoToDatabase()
    {
        HashMap<String, Object> productMap = new HashMap<>();
        productMap.put("Value", String.valueOf(value));
        productMap.put("number1", String.valueOf(number1));
        productMap.put("number2",String.valueOf(number2));
        productMap.put("Device",device);
        productMap.put("Result",result_test);
        productMap.put("Result Confirmatory",result_test1);
        productMap.put("Directory Path",directory_path);
        productMap.put("Full Path",targetUri);


        //  productMap("Result",String.valueOf(result.getText().toString()));



        Calendar calendar = Calendar.getInstance();

        SimpleDateFormat currentDate = new SimpleDateFormat("MMM dd, yyyy");

        saveCurrentDate = currentDate.format(calendar.getTime());
        saveCurrentDate =  saveCurrentDate .replaceAll("[^A-Za-z0-9 ]","");


        SimpleDateFormat currentTime = new SimpleDateFormat("h:mm a");
        saveCurrentTime = currentTime.format(calendar.getTime());

        TestRandomKey = saveCurrentDate + saveCurrentTime+String.valueOf( Math.random());
        TestRandomKey =  TestRandomKey .replaceAll("[^A-Za-z0-9 ]","");



        TestRef.child(TestRandomKey).updateChildren(productMap)
                .addOnCompleteListener(new OnCompleteListener<Void>() {
                    @Override
                    public void onComplete(@NonNull Task<Void> task)
                    {
                        if (task.isSuccessful()) {


                            Toast.makeText(MainActivity.this, "Test Result added in backend successfully ", Toast.LENGTH_SHORT).show();



                        }
                        else
                        {

                            String message = task.getException().toString();
                            Toast.makeText(MainActivity.this, "Error: " + message, Toast.LENGTH_SHORT).show();
                        }
                    }
                });
    }






















}