import 'dart:typed_data';

import 'package:charset_converter/charset_converter.dart';
import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
import 'package:esc_pos_utils/esc_pos_utils.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
import 'package:image/image.dart';
import 'package:satu/core/models/settings/printer_setting.dart';

Future<List<int>> getReceipt(String encoding, String paperSize) async {
  final profile = await CapabilityProfile.load();
  final generator = Generator(
    paperSize == PrinterConst.paperSize58mm ? PaperSize.mm58 : PaperSize.mm80,
    profile,
  );

  String codeTable = 'CP866';
  if(encoding == PrinterConst.encodingCP866) {
    codeTable = 'CP866';
  } else if(encoding == PrinterConst.encodingCP1251) {
    codeTable = 'CP1251';
  }


  List<int> bytes = [];
  generator.setGlobalCodeTable(codeTable);
  final Uint8List firstCol =
      await CharsetConverter.encode(encoding.toLowerCase(), 'Тестовый чек');
  bytes += generator.textEncoded(firstCol);

  bytes +=
      generator.text('CENTER', styles: const PosStyles(align: PosAlign.center));
  bytes += generator.text('Right',
      styles: const PosStyles(align: PosAlign.right), linesAfter: 1);

  bytes += generator.row([
    PosColumn(
      text: 'col3',
      width: 3,
      styles: const PosStyles(align: PosAlign.center, underline: true),
    ),
    PosColumn(
      text: 'col6',
      width: 6,
      styles: const PosStyles(align: PosAlign.center, underline: true),
    ),
    PosColumn(
      text: 'col3',
      width: 3,
      styles: const PosStyles(align: PosAlign.center, underline: true),
    ),
  ]);

  bytes += generator.text(
    'Text size 200%',
    styles: const PosStyles(
      height: PosTextSize.size2,
      width: PosTextSize.size2,
    ),
  );

  // Print barcode
  final List<int> barData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4];
  bytes += generator.barcode(Barcode.upcA(barData));

  bytes += generator.feed(2);
  bytes += generator.cut();
  return bytes;
}

Future<List<int>> getReceiptImg(String paperSize) async {
  final profile = await CapabilityProfile.load();
  final generator = Generator(
    paperSize == PrinterConst.paperSize58mm ? PaperSize.mm58 : PaperSize.mm80,
    profile,
  );
  List<int> bytes = [];
  final ByteData data =
      await rootBundle.load('assets/images/aman_kassa_check.png');
  final Uint8List imgBytes = data.buffer.asUint8List();
  final Image? image = decodeImage(imgBytes);
// Using `ESC *`
  bytes += generator.image(image!);
  bytes += generator.feed(2);
  bytes += generator.cut();
  return bytes;
}

BluetoothDevice printerDeviceToBluetoothDevice(PrinterDevice device) {
  return BluetoothDevice()
    ..name = device.name
    ..address = device.address
    ..connected = device.connected
    ..type = device.type;
}

PrinterDevice bluetoothDeviceToPrinterDevice(PrinterBluetooth device) {
  return PrinterDevice()
    ..name = device.name
    ..address = device.address
    ..type = device.type;
}