package com.gokdemir.areyousafe;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.method.ScrollingMovementMethod;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

public class SignupActivity2 extends AppCompatActivity {

    private Button buttonSelectChronicDisease;
    private Button buttonSignup;
    private Button buttonSelectAllergicMedicals;
    private Button buttonUploadImage;

    private TextView tvShowSelectedDiseases;
    private TextView tvShowSelectedMedicals;

    private ProgressDialog progressDialog;

    private Spinner bloodTypeSpinner;
    String bloodType = "";

    String userChosenTask;
    String selectedDiseases = "";
    String[] chronicDiseases;
    boolean[] checkedDiseases;

    String selectedMedications = "";
    String[] allergicMedicals;
    boolean[] checkedMedicals;

    static final int REQUEST_IMAGE_CAPTURE = 0;
    static final int SELECT_FILE = 1;

    public static Context context;
    public static Context activityContext;

    byte[] byteArray;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_signup2);

        context = getApplicationContext();
        activityContext = SignupActivity2.this;

        initalizeActivityComponents();

        buttonSelectChronicDisease.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                selectChronicDiseases();
            }
        });

        buttonSelectAllergicMedicals.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                selectAllergicMedicals();
            }
        });

        buttonSignup.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                signUpUser();
            }
        });

        buttonUploadImage.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                selectImage();
            }
        });
    }

    private void signUpUser() {
        final String mail = getIntent().getStringExtra("email");
        final String password = getIntent().getStringExtra("password");
        final String name = getIntent().getStringExtra("name");
        Log.i("password", password);
        if(bloodTypeSpinner.getSelectedItem().toString() != null) bloodType = bloodTypeSpinner.getSelectedItem().toString();

        VolleyHandler volleyHandler = new VolleyHandler();
        //Intent intent = new Intent(SignupActivity2.this, MainActivity.class);
        volleyHandler.addUserAll(name, mail, password, bloodType, selectedMedications, selectedDiseases, byteArray);


        //progressDialog = new ProgressDialog(SignupActivity2.this);
        //progressDialog.setMessage("Signing you up. Please wait...");
        //progressDialog.show();
    }

    private void selectAllergicMedicals() {
        selectedMedications = "";
        tvShowSelectedMedicals.setText(getResources().getString(R.string.show_selected_medicals_tv));
        AlertDialog.Builder builder = new AlertDialog.Builder(SignupActivity2.this);

        final List<String> medicalsList = Arrays.asList(allergicMedicals);

        builder.setMultiChoiceItems(allergicMedicals, checkedMedicals, new DialogInterface.OnMultiChoiceClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                selectAllergicMedicals(which, isChecked, medicalsList);
            }
        });

        builder.setTitle(getResources().getString(R.string.medicals_builder_title));

        builder.setPositiveButton(getResources().getString(R.string.ok), new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                showSelectedAllergicMedicals(medicalsList);

            }
        });

        builder.setNeutralButton(getResources().getString(R.string.cancel), new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });

        AlertDialog dialog = builder.create();

        dialog.show();
    }

    private void showSelectedAllergicMedicals(List<String> medicalsList) {
        for(int i = 0; i < checkedMedicals.length; i++){
            if(checkedMedicals[i]) {
                selectedMedications += medicalsList.get(i) + ";";

                tvShowSelectedMedicals.setText(tvShowSelectedMedicals.getText() + medicalsList.get(i) + "\n");
            }
        }

        selectedMedications = selectedMedications.substring(0, selectedMedications.length() - 1);
        Toast.makeText(SignupActivity2.this, selectedMedications, Toast.LENGTH_LONG).show();
    }

    private void selectAllergicMedicals(int which, boolean isChecked, List<String> medicalsList) {
        checkedMedicals[which] = isChecked;

        String currentItem = medicalsList.get(which);

        if(isChecked){
            Toast.makeText(SignupActivity2.this, currentItem + " is selected.", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(SignupActivity2.this, currentItem + " is dropped.", Toast.LENGTH_SHORT).show();
        }
    }

    private void selectChronicDiseases() {
        selectedDiseases = "";
        tvShowSelectedDiseases.setText(getResources().getString(R.string.show_selected_diseases_tv_text));
        AlertDialog.Builder builder = new AlertDialog.Builder(SignupActivity2.this);

        final List<String> diseasesList = Arrays.asList(chronicDiseases);

        builder.setMultiChoiceItems(chronicDiseases, checkedDiseases, new DialogInterface.OnMultiChoiceClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                getCheckedDiseases(which, isChecked, diseasesList);
            }
        });

        builder.setTitle(getResources().getString(R.string.disease_builder_title));

        builder.setPositiveButton(getResources().getString(R.string.ok), new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {

                showSelectedDiseases(diseasesList);

            }
        });

        builder.setNeutralButton(getResources().getString(R.string.cancel), new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });

        AlertDialog dialog = builder.create();

        dialog.show();
    }

    private void showSelectedDiseases(List<String> diseasesList) {
        for(int i = 0; i < checkedDiseases.length; i++){
            if(checkedDiseases[i]){
                selectedDiseases += diseasesList.get(i);
                selectedDiseases += ";";

                tvShowSelectedDiseases.setText(tvShowSelectedDiseases.getText() + diseasesList.get(i) + "\n");
            }

        }

        selectedDiseases = selectedDiseases.substring(0, selectedDiseases.length() - 1);
        Toast.makeText(SignupActivity2.this, selectedDiseases, Toast.LENGTH_LONG).show();
    }

    private void getCheckedDiseases(int which, boolean isChecked, List<String> diseasesList) {
        checkedDiseases[which] = isChecked;

        String currentItem = diseasesList.get(which);

        // Notify the current action
        if(isChecked) {
            Toast.makeText(getApplicationContext(), currentItem + " is selected.", Toast.LENGTH_SHORT).show();
        } else{
            Toast.makeText(SignupActivity2.this, currentItem + " is dropped.", Toast.LENGTH_SHORT).show();
        }
    }

    private void initalizeActivityComponents() {
        tvShowSelectedDiseases = (TextView) findViewById(R.id.showSelectedDiseasesTV);
        tvShowSelectedMedicals = (TextView) findViewById(R.id.showSelectedMedicalsTV);
        tvShowSelectedDiseases.setMovementMethod(new ScrollingMovementMethod());
        tvShowSelectedMedicals.setMovementMethod(new ScrollingMovementMethod());

        chronicDiseases = getResources().getStringArray(R.array.chronic_diseases);
        checkedDiseases = new boolean[chronicDiseases.length];

        allergicMedicals = getResources().getStringArray(R.array.allergies_towards_drugs);
        checkedMedicals = new boolean[allergicMedicals.length];

        bloodTypeSpinner = (Spinner) findViewById(R.id.bloodTypeSpinner);

        buttonSelectChronicDisease = (Button) findViewById(R.id.buttonSelectChronicDiseases);
        buttonSignup = (Button) findViewById(R.id.buttonSignup);
        buttonSelectAllergicMedicals = (Button) findViewById(R.id.buttonSelectAllergicMedicals);
        buttonUploadImage = (Button) findViewById(R.id.uploadImage);

        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,R.array.blood_types,android.R.layout.simple_spinner_dropdown_item);
        bloodTypeSpinner.setAdapter(adapter);
    }

    private void selectImage(){

        final CharSequence[] items = {"Take Photo", "Choose from Gallery", "Cancel"};
        AlertDialog.Builder builder = new AlertDialog.Builder(SignupActivity2.this);

        builder.setTitle(getResources().getString(R.string.select_photo_builder_title));
        builder.setItems(items, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int item) {
                boolean result = Utility.checkPermission(SignupActivity2.this);

                if(items[item].equals("Take Photo")) {
                    userChosenTask = "Take Photo";
                    if(result)
                        cameraIntent();
                } else if(items[item].equals("Choose from Gallery")){
                    userChosenTask = "Choose from Gallery";
                    if(result)
                        galleryIntent();
                } else if(items[item].equals("Cancel")) {
                    dialog.dismiss();
                }
            }
        });

        builder.show();

    }

    private void cameraIntent(){
        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        if(takePictureIntent.resolveActivity(getPackageManager()) != null)
            startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
    }

    private void galleryIntent(){
        Intent getPictureFromGallery = new Intent(Intent.ACTION_PICK);
        getPictureFromGallery.setType("image/*");
        getPictureFromGallery.setAction(getPictureFromGallery.ACTION_GET_CONTENT);
        startActivityForResult(Intent.createChooser(getPictureFromGallery, "Select File"), SELECT_FILE);
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        switch (requestCode) {
            case Utility.MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE:
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    if(userChosenTask.equals("Take Photo"))
                        cameraIntent();
                    else if(userChosenTask.equals("Choose from Library"))
                        galleryIntent();
                } else {
                    //code for deny
                }
                break;
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK) {
            if (requestCode == SELECT_FILE)
                onSelectFromGalleryResult(data);
            else if (requestCode == REQUEST_IMAGE_CAPTURE)
                onCaptureImageResult(data);
        }
    }

    @SuppressWarnings("deprecation")
    private void onSelectFromGalleryResult(Intent data) {
        Bitmap bm = null;
        if (data != null) {
            try {
                bm = MediaStore.Images.Media.getBitmap(getApplicationContext().getContentResolver(), data.getData());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        //ivImage.setImageBitmap(bm); setting the bitmap to image view.
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.JPEG, 90, bytes);
        byteArray = bytes.toByteArray();

        Toast.makeText(SignupActivity2.this, "Image is taken", Toast.LENGTH_SHORT).show();
    }

    private void onCaptureImageResult(Intent data) {
        Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        thumbnail.compress(Bitmap.CompressFormat.JPEG, 90, bytes);
        byteArray = bytes.toByteArray();
        File destination = new File(Environment.getExternalStorageDirectory(),
                System.currentTimeMillis() + ".jpg");
        FileOutputStream fo;
        try {
            destination.createNewFile();
            fo = new FileOutputStream(destination);
            fo.write(bytes.toByteArray());
            fo.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //ivImage.setImageBitmap(thumbnail); setting the bitmap to image view"
        Toast.makeText(SignupActivity2.this, "Image is taken", Toast.LENGTH_SHORT).show();
    }

}