import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'dart:io' show Platform;
import '../enumerations.dart';

/// Returns [true] if app is running on Mobile (Android or iOS), else [false].
bool get isMobile {
  if (kIsWeb) {
    return false;
  } else {
    return Platform.isIOS || Platform.isAndroid;
  }
}

/// Compare two lists by their content ignoring their elements order.
bool equalContent(List<dynamic> list1, List<dynamic> list2) {
  return const DeepCollectionEquality.unordered().equals(list1, list2);
}

/// Creates a composite ID from the passed [ids].
/// In the format id(1)_id(n)
String getCompoundId(List<String> ids) {
  ids.sort(); // sort to ensure the result is the same for any order of ids
  return ids.join('_');
}

/// Returns a date format of '$weekday, $day. $month $year $hours:$minutes'.
/// For example: [Sat. 3 Jun. 2024 15:03].
/// If any errors occur, an empty string will be returned.
String formatTimestamp(Timestamp timestamp) {
  try {
    const List<String> weekdays = [
      'Mon',
      'Tue',
      'Wed',
      'Thu',
      'Fri',
      'Sat',
      'Sun'
    ];
    const List<String> months = [
      'Jan.',
      'Feb.',
      'Mar.',
      'Apr.',
      'May',
      'Jun.',
      'Jul.',
      'Aug.',
      'Sep.',
      'Oct.',
      'Nov.',
      'Dec.'
    ];

    DateTime dateTime = timestamp.toDate();
    String weekday = weekdays[dateTime.weekday - 1];
    int day = dateTime.day;
    String month = months[dateTime.month - 1];
    int year = dateTime.year;
    int hour = dateTime.hour;
    int minute = dateTime.minute;

    return '$weekday, $day. $month $year ${hour.toString().padLeft(2, '0')}:${minute.toString().padLeft(2, '0')}';
  } catch (e) {
    return '';
  }
}

/// Get pronoun for given [userGender].
/// Returns [He] if male, [She] if female, else [He/She].
String getPronoun(Gender? userGender) {
  switch (userGender) {
    case Gender.male:
      return 'He';
    case Gender.female:
      return 'She';
    default:
      return 'He/She';
  }
}

/// Get the [displayName] of our own Enumerations.
String getDisplayText(dynamic option) {
  // Check if the option is an enum and has a displayName property
  if (option is Enum) {
    final dynamicEnum = option as dynamic;
    if (dynamicEnum.displayName != null) {
      return dynamicEnum.displayName;
    }
  }
  // Fallback to default toString if not an enum
  return option.toString().split('.').last;
}

/// Show a simple message dialog
void showMsg(BuildContext context, String title, String content) {
  showDialog(
    context: context,
    builder: (context) => AlertDialog(
      title: Text(title),
      content: Text(content),
      actions: [
        TextButton(
          onPressed: () {
            Navigator.of(context).pop();
          },
          child: const Text('OK'),
        ),
      ],
    ),
  );
}

/// Show a red colored SnackBar with a [Dismiss] Button
void showErrorSnackBar(BuildContext context, String message) {
  ScaffoldMessenger.of(context).showSnackBar(
    SnackBar(
      content: Text(message),
      backgroundColor: Colors.red,
      action: SnackBarAction(
        label: 'Dismiss',
        onPressed: () {
          ScaffoldMessenger.of(context).hideCurrentSnackBar();
        },
      ),
    ),
  );
}