import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';

import '../constants.dart';
import '../models/user_profile.dart';
import '../services/user_service.dart';
import '../utils/math.dart';

class UserTileLikes extends StatefulWidget {
  final DocumentSnapshot user;
  final bool hasMatch;
  final UserProfile? currentUser;
  final VoidCallback onUnlike;
  final VoidCallback onShowChat;
  final VoidCallback onViewInfo;

  const UserTileLikes({
    super.key,
    required this.user,
    required this.hasMatch,
    this.currentUser,
    required this.onUnlike,
    required this.onShowChat,
    required this.onViewInfo,
  });

  @override
  State<UserTileLikes> createState() => _UserTileLikesState();
}

class _UserTileLikesState extends State<UserTileLikes> {
  UserProfile? _otherUser;
  bool _isLoading = true;

  @override
  void initState() {
    super.initState();
    _fetchUserProfile();
  }

  Future<void> _fetchUserProfile() async {
    UserProfile userProfile =
        await UserService.getUserProfileFromDocument(widget.user);
    setState(() {
      _otherUser = userProfile;
      _isLoading = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    if (_isLoading) {
      return const CircularProgressIndicator();
    }

    Map<String, dynamic> userMap = widget.user.data() as Map<String, dynamic>;
    bool hasPictureUrl = userMap.containsKey(Constants.dbFieldUsersProfilePic);
    bool hasName = userMap.containsKey(Constants.dbFieldUsersName);
    bool hasBio = userMap.containsKey(Constants.dbFieldUsersBio);

    String? shortDist = (_otherUser != null && widget.currentUser != null
        ? shortestDistanceBetweenUsers(widget.currentUser!, _otherUser!)
            .toStringAsFixed(0)
        : null);

    return Card(
      margin: const EdgeInsets.all(8.0),
      child: ListTile(
        leading: Column(
          mainAxisSize: MainAxisSize.min,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            hasPictureUrl == true &&
                    widget.user[Constants.dbFieldUsersProfilePic] != null
                ? CircleAvatar(
                    maxRadius: 16,
                    backgroundImage: NetworkImage(
                      widget.user[Constants.dbFieldUsersProfilePic],
                    ),
                  )
                : const CircleAvatar(
                    maxRadius: 16,
                    child: Icon(Icons.person),
                  ),
            Text('$shortDist km'),
          ],
        ),
        title: hasName
            ? Text(
                '${widget.user[Constants.dbFieldUsersName]}',
                overflow: TextOverflow.ellipsis,
                maxLines: 1,
              )
            : null,
        subtitle: hasBio
            ? Text(
                widget.user[Constants.dbFieldUsersBio],
                overflow: TextOverflow.ellipsis,
                maxLines: 3,
              )
            : null,
        trailing: Row(
          mainAxisSize: MainAxisSize.min,
          children: [
            IconButton(
              icon: const Icon(Icons.contact_page_outlined),
              onPressed: widget.onViewInfo,
            ),
            IconButton(
              icon: widget.hasMatch
                  ? const Icon(Icons.chat_outlined)
                  : const Icon(Icons.delete_outline, color: Colors.red),
              onPressed: widget.hasMatch ? widget.onShowChat : widget.onUnlike,
            ),
          ],
        ),
      ),
    );
  }
}