import 'dart:convert';
import 'package:http/http.dart' as http;
import '../config/api.dart';

class ShareService {
  final http.Client _client;
  
  ShareService({http.Client? client}) : _client = client ?? http.Client();

  Future<Map<String, dynamic>> createShare(String token, double x, double y) async {
    final response = await _client.post(
      Uri.parse(ApiConfig.shareUrl),
      headers: {
        'Content-Type': 'application/json',
        'Authorization': 'Bearer $token',
      },
      body: jsonEncode({'x': x, 'y': y}),
    );
    
    if (response.statusCode == 201) {
      final data = jsonDecode(response.body);
      return {
        'geo_id': data['geo_id'],
        'share_id': data['share_id'],
      };
    } else {
      throw Exception('Failed to create share link');
    }
  }

  Future<Map<String, dynamic>> getPosition(String token, String uniqueId) async {
    final response = await _client.get(
      Uri.parse('${ApiConfig.watchUrl}?unique_id=$uniqueId'),
      headers: {
        'Authorization': 'Bearer $token',
      },
    );
    
    if (response.statusCode == 200) {
      final data = jsonDecode(response.body);
      return {
        'id': data['id'],
        'x': data['x'],
        'y': data['y'],
        'created_at': data['created_at'],
        'expires_at': data['expires_at'],
      };
    } else {
      throw Exception('Share link not found or no position available');
    }
  }

  Future<Map<String, dynamic>> getPositionByShareId(String token, String shareId) async {
    final response = await _client.get(
      Uri.parse('${ApiConfig.watchUrl}?share_id=$shareId'),
      headers: {
        'Authorization': 'Bearer $token',
      },
    );
    
    if (response.statusCode == 200) {
      final data = jsonDecode(response.body);
      return {
        'x': data['x'],
        'y': data['y'],
        'created_at': data['created_at'],
        'expires_at': data['expires_at'],
      };
    } else {
      throw Exception('Share link not found or no position available');
    }
  }
}