import 'dart:developer' as developer;

import 'package:flutter/foundation.dart';
import 'package:nhancepolicy/config/environment.dart';

String _formatMessage(
  String message, {
  String? className,
  String? methodName,
}) {
  final timestamp = DateTime.now().toIso8601String();
  final contextParts = <String>[];
  if (className != null && className.isNotEmpty) {
    contextParts.add(className);
  }
  if (methodName != null && methodName.isNotEmpty) {
    contextParts.add(methodName);
  }
  final context = contextParts.isEmpty ? '' : '[${contextParts.join('.')}] ';
  return '[$timestamp] $context$message';
}

void _log(
  String level,
  String message, {
  String tag = 'APP',
  Object? error,
  StackTrace? stackTrace,
  String? className,
  String? methodName,
}) {
  final shouldLog = kDebugMode || Environment.flavor == Flavor.dev;
  if (!shouldLog) {
    return;
  }
  final formatted =
      _formatMessage(message, className: className, methodName: methodName);
  final channel = '$tag:$level';

  developer.log(
    formatted,
    name: channel,
    error: error,
    stackTrace: stackTrace,
  );
  debugPrint('[$channel] $formatted');
}

void logDebug(
  Object? message, {
  String tag = 'APP',
  String? className,
  String? methodName,
}) {
  _log(
    'DEBUG',
    '${message ?? 'null'}',
    tag: tag,
    className: className,
    methodName: methodName,
  );
}

void logInfo(
  Object? message, {
  String tag = 'APP',
  String? className,
  String? methodName,
}) {
  _log(
    'INFO',
    '${message ?? 'null'}',
    tag: tag,
    className: className,
    methodName: methodName,
  );
}

void logWarning(
  Object? message, {
  String tag = 'APP',
  String? className,
  String? methodName,
}) {
  _log(
    'WARN',
    '${message ?? 'null'}',
    tag: tag,
    className: className,
    methodName: methodName,
  );
}

void logError(
  Object? message, {
  String tag = 'APP',
  Object? error,
  StackTrace? stackTrace,
  String? className,
  String? methodName,
}) {
  _log(
    'ERROR',
    '${message ?? 'null'}',
    tag: tag,
    error: error,
    stackTrace: stackTrace,
    className: className,
    methodName: methodName,
  );
}