package com.scsoft;

import android.os.Bundle;
import android.os.CountDownTimer;
import android.text.TextUtils;

import com.scsoft.libecho5.BarcodeScanner;
import com.scsoft.libecho5.Gpio;
import com.scsoft.module.base.ActivityBaseAppCompat;

import java.io.FileDescriptor;

public class ActivityEntry extends ActivityBaseAppCompat {

    FileDescriptor fileDescriptor;
    Gpio gpio;
    BarcodeScanner scanner;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        startActivity(new Intent(this, ActivitySplash.class));
//        finish();
        setContentView(R.layout.activity_splash);
        gpio = new Gpio();
        scanner = new BarcodeScanner();
        if (gpio.BarcodeScanner_Enable() == 0) {
            showToastShort("BarcodeScanner_Enable");
        }
        fileDescriptor = scanner.BarcodeScanner_OpenPort(9600);
        if (fileDescriptor != null) {
            showToastShort("BarcodeScanner_OpenPort");
        }
        new IntervalRead().start();
    }

    public class IntervalRead extends CountDownTimer {

        public IntervalRead() {
            super(5000, 500);
        }

        @Override
        public void onTick(long millisUntilFinished) {
            String barcode = readBarcode();
            if (!TextUtils.isEmpty(barcode)) showToastShort(barcode);
        }

        @Override
        public void onFinish() {

        }
    }

    public String readBarcode() {
        triggerTRIGPin(true);
        final StringBuilder strRead = new StringBuilder();
        int bytesRead = 0;
        do {
            final byte[] buf = new byte[2048];
            bytesRead = scanner.BarcodeScanner_ReadData(fileDescriptor, buf, buf.length, 10 * 1000);
            if ((bytesRead > 0)) strRead.append(new String(buf));
        } while (bytesRead > 0);
        triggerTRIGPin(false);
        return removeEscape(strRead.toString());
    }

    private void triggerTRIGPin(boolean enabled) {
        scanner.BarcodeScanner_Trigger(!enabled);
    }

    private String removeEscape(final String str) {
        return str.replace("\r\n\u0000", "")
                .replaceAll("\u0000", "")
                .replaceAll("\r", "")
                .replaceAll("\n", "")
                .replaceAll("\b", "")
                .replace("\\000026", "");
    }

}