package com.example.warehousev3;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import com.mazenrashed.printooth.Printooth;
import com.mazenrashed.printooth.data.printable.Printable;
import com.mazenrashed.printooth.data.printable.RawPrintable;
import com.mazenrashed.printooth.data.printable.TextPrintable;
import com.mazenrashed.printooth.data.printer.DefaultPrinter;
import com.mazenrashed.printooth.ui.ScanningActivity;
import com.mazenrashed.printooth.utilities.Printing;
import com.mazenrashed.printooth.utilities.PrintingCallback;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;

public class MainActivity extends AppCompatActivity implements PrintingCallback {
    DatabaseHelper myDb;
    Button btnPrint, btn_unpair_pair;
    EditText barcodefield = null;

    Printing printing;

    private Calendar calendar;
    private SimpleDateFormat dateFormat;
    private String date;

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

        calendar = Calendar.getInstance();
        dateFormat = new SimpleDateFormat("dd/MM/yyyy");
        date = dateFormat.format(calendar.getTime());

        myDb = new DatabaseHelper(this);
        btnPrint = findViewById(R.id.cmd_print);
        barcodefield = findViewById(R.id.txt_barcode);
        btn_unpair_pair = findViewById(R.id.btnPiarUnpair);

        btnPrint.setVisibility(View.GONE); //Set Print Button Invisible

        viewAll();
    }

    public void viewAll() {
        if (printing != null)
            printing.setPrintingCallback(this);

        btn_unpair_pair.setOnClickListener(view -> {
            if (Printooth.INSTANCE.hasPairedPrinter())
                Printooth.INSTANCE.removeCurrentPrinter();
            else {
                startActivityForResult(new Intent(MainActivity.this, ScanningActivity.class), ScanningActivity.SCANNING_FOR_PRINTER);
                changePairAndUpair();
            }
        });

/*      //Print Button function
        btnPrint.setOnClickListener(view -> {
            if (!Printooth.INSTANCE.hasPairedPrinter())
                startActivityForResult(new Intent(MainActivity.this, ScanningActivity.class), ScanningActivity.SCANNING_FOR_PRINTER);
            else
                printText();
                barcodefield.setText("");
        });
*/

        barcodefield.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }
            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }
            @Override
            public void afterTextChanged(Editable s) {
                for (int i = 0; i < s.length(); i++) {
                    if(barcodefield.getText().toString().length() == 13)
                    {
                        if (!Printooth.INSTANCE.hasPairedPrinter())
                            startActivityForResult(new Intent(MainActivity.this, ScanningActivity.class), ScanningActivity.SCANNING_FOR_PRINTER);
                        else
                            printText();
                            barcodefield.setText("");
                    }
                }
            }
        });

        changePairAndUpair();

    }

    private void changePairAndUpair() {
        if (Printooth.INSTANCE.hasPairedPrinter())
            btn_unpair_pair.setText(new StringBuilder("Unpair ").append(Printooth.INSTANCE.getPairedPrinter().getName()).toString());
        else
            btn_unpair_pair.setText("Pair with Printer");
    }

    @Override
    public void connectingWithPrinter() {
        Toast.makeText(this, "Connectiong to printer", Toast.LENGTH_SHORT).show();
    }

    @Override
    public void connectionFailed(String s) {
        Toast.makeText(this, "Failed: "+s, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onError(String s) {
        Toast.makeText(this, "Error: "+s, Toast.LENGTH_SHORT).show();

    }

    @Override
    public void onMessage(String s) {
        Toast.makeText(this, s, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void printingOrderSentSuccessfully() {
        Toast.makeText(this, "Order sent to printer", Toast.LENGTH_SHORT).show();
    }

    private void printText() {
        ArrayList<Printable> printables = new ArrayList<>();
        printables.add(new RawPrintable.Builder(new byte[]{27, 100, 4}).build());

        myDb.setBarcodcheck(String.valueOf(barcodefield.getText()));
        Cursor res = myDb.getAllData();
        if (res.getCount() == 0) {
            showMessage("Error", "Nothing Found");
            return;
        }
        StringBuffer buffer = new StringBuffer();
        while (res.moveToNext()) {
            buffer.append("LOCATION: "+ res.getString(0)+"\n");
            buffer.append("APPROVED: "+ res.getString(1)+"\n");
            buffer.append("DATE: "+date+"\n");
        }
        printables.add(new TextPrintable.Builder()
                .setText(buffer.toString())
                .setCharacterCode(DefaultPrinter.Companion.getCHARCODE_PC1252())
                .setLineSpacing(DefaultPrinter.Companion.getLINE_SPACING_60())
                .setEmphasizedMode(DefaultPrinter.Companion.getEMPHASIZED_MODE_BOLD())
                .setFontSize(DefaultPrinter.Companion.getFONT_SIZE_LARGE())
                //.setNewLinesAfter(1)
                .build());
        Printooth.INSTANCE.printer().print(printables);
    }

    public void showMessage(String title, String Message) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setCancelable(true);
        builder.setTitle(title);
        builder.setMessage(Message);
        builder.show();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == ScanningActivity.SCANNING_FOR_PRINTER && resultCode == Activity.RESULT_OK)
            initPrinting();
            changePairAndUpair();
        }

    private void initPrinting() {
        if (!Printooth.INSTANCE.hasPairedPrinter())
            printing = Printooth.INSTANCE.printer();
        if (printing != null)
            printing.setPrintingCallback(this);
    }

}