// lib/services/api_service.dart
import 'dart:convert';
import 'package:http/http.dart' as http;
import 'package:flutter/material.dart';
import '../models/profile.dart';
import '../models/group.dart';
import 'session_manager.dart';

class ApiService extends ChangeNotifier {
  static const String baseUrl = 'https://paul-koop.org/api/';
  final SessionManager? sessionManager;

  ApiService({this.sessionManager});

  Future<Map<String, dynamic>> login(String username, String password) async {
    final response = await http.post(
      Uri.parse('${baseUrl}api_login.php'),
      headers: {'Content-Type': 'application/json'},
      body: jsonEncode({'username': username, 'password': password}),
    );
    
    return jsonDecode(response.body);
  }

  Future<List<Profile>> getProfiles() async {
    final response = await http.get(
      Uri.parse('${baseUrl}api_profiles.php'),
      headers: sessionManager?.authHeaders ?? {},
    );
    
    if (response.statusCode == 200) {
      final List<dynamic> data = jsonDecode(response.body);
      return data.map((json) => Profile.fromJson(json)).toList();
    }
    throw Exception('Failed to load profiles');
  }

  Future<Profile> getProfile(String id) async {
    final response = await http.get(
      Uri.parse('${baseUrl}api_profiles.php?id=$id'),
      headers: sessionManager?.authHeaders ?? {},
    );
    
    if (response.statusCode == 200) {
      return Profile.fromJson(jsonDecode(response.body));
    }
    throw Exception('Failed to load profile');
  }

  Future<bool> createProfile(Profile profile) async {
    final response = await http.post(
      Uri.parse('${baseUrl}api_profiles.php'),
      headers: {
        'Content-Type': 'application/json',
        ...?sessionManager?.authHeaders,
      },
      body: jsonEncode(profile.toJson()),
    );
    
    return response.statusCode == 200;
  }

  Future<bool> updateProfile(Profile profile) async {
    final response = await http.put(
      Uri.parse('${baseUrl}api_profiles.php'),
      headers: {
        'Content-Type': 'application/json',
        'X-Profile-ID': profile.profilID,
        ...?sessionManager?.authHeaders,
      },
      body: jsonEncode(profile.toJson()),
    );
    
    return response.statusCode == 200;
  }

  Future<bool> deleteProfile(String id) async {
    final response = await http.delete(
      Uri.parse('${baseUrl}api_profiles.php?id=$id'),
      headers: sessionManager?.authHeaders ?? {},
    );
    
    return response.statusCode == 200;
  }

  Future<List<Group>> getGroups() async {
    final response = await http.get(
      Uri.parse('${baseUrl}api_groups.php'),
      headers: sessionManager?.authHeaders ?? {},
    );
    
    if (response.statusCode == 200) {
      final List<dynamic> data = jsonDecode(response.body);
      return data.map((json) => Group.fromJson(json)).toList();
    }
    throw Exception('Failed to load groups');
  }

  Future<bool> createGroup(String name) async {
    final response = await http.post(
      Uri.parse('${baseUrl}api_groups.php'),
      headers: {
        'Content-Type': 'application/json',
        ...?sessionManager?.authHeaders,
      },
      body: jsonEncode({'name': name}),
    );
    
    return response.statusCode == 200;
  }

  Future<bool> deleteGroup(int id) async {
    final response = await http.delete(
      Uri.parse('${baseUrl}api_groups.php?id=$id'),
      headers: sessionManager?.authHeaders ?? {},
    );
    
    return response.statusCode == 200;
  }
}