logger.dart

import 'package:easy_localization/easy_localization.dart';

final flogger = Logger();

final logger = Logger();

class Logger {
  bool debug = true;

  log(String message) {
    final currentDate = DateTime.now();
    final formattedDate = '${DateFormat('dd.MM.yyyy HH:mm:ss').format(currentDate)}';

    if (debug) {
      final info = _StackTraceInfo.fromStackTrace(StackTrace.current);
      print('$formattedDate: ${info.className}->${info.functionName}() [${info.lineNumber}]: $message');
    } else {
      print(message);
    }
  }
}

log(String message) => logger.log(message);
info(String message) => logger.log(message);
warn(String message) => logger.log(message);
warning(String message) => logger.log(message);

class _StackTraceInfo {
  final String className;
  final String functionName;
  final String fileName;
  final int lineNumber;

  const _StackTraceInfo({
    required this.className,
    required this.functionName,
    required this.fileName,
    required this.lineNumber,
  });

  factory _StackTraceInfo.fromStackTrace(StackTrace stackTrace) {
    try {
      final traceStringLines =
          stackTrace.toString().split("\n").where((element) => !element.contains('logger.dart')).toList();

      if (traceStringLines.length >= 1) {
        final currentTraceString = traceStringLines[0];
        final regex = RegExp(
            r'#[1-9]+[\s]+(?<class>[\w]+).(?<function>[\w]+) \(package:(?<file>[\w/.]+):(?<line>[1-9]+):(?<column>[1-9]+)\)$');

        final match = regex.firstMatch(currentTraceString);
        if (match != null) {
          final className = match.namedGroup('class') ?? '';
          final functionName = match.namedGroup('function') ?? '';
          final fileName = match.namedGroup('file') ?? '';
          final lineNumber = match.namedGroup('line') ?? '';

          return _StackTraceInfo(
            className: className,
            functionName: functionName,
            fileName: fileName,
            lineNumber: int.parse(lineNumber),
          );
        }
      }
    } catch (_) {}

    return _StackTraceInfo.nullable();
  }

  factory _StackTraceInfo.nullable() {
    return _StackTraceInfo(className: '', functionName: '', fileName: '', lineNumber: -1);
  }
}