import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:patient_manager/components/buildNotesList.dart';
import 'package:patient_manager/objects/notes.dart';
import 'package:http/http.dart' as http;

Future<List<Note>> fetchNotes(String endpoint) async {
  final response = await http.get(Uri.parse(endpoint));
  if (response.statusCode == 200) {
    Iterable l = jsonDecode(response.body);
    List<Note> notes = List<Note>.from(l.map((model) => Note.fromJson(model)));
    return notes;
  } else {
    throw Exception('failed to load patients');
  }
}

class PatientNotes extends StatefulWidget {
  final int patientIndex;
  const PatientNotes({super.key, required this.patientIndex});

  @override
  State<PatientNotes> createState() => _PatientNotesState();
}

class _PatientNotesState extends State<PatientNotes> {
  String endpoint = "http://localhost:80/notes/patients/";
  late Future<List<Note>> futueNotes;

  @override
  void initState() {
    futueNotes = fetchNotes(endpoint + widget.patientIndex.toString());
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: futueNotes,
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.waiting) {
          return const CircularProgressIndicator();
        } else if (snapshot.hasData) {
          final notesList = snapshot.data!;
          return Expanded(
            flex: 1,
            child: Padding(
              padding: const EdgeInsets.all(10.0),
              child: Card(
                elevation: 20.0,
                child: Container(
                  decoration: const BoxDecoration(
                    color: Color.fromARGB(255, 219, 218, 218),
                    borderRadius: BorderRadius.all(
                      Radius.circular(10),
                    ),
                  ),
                  child: Padding(
                    padding: const EdgeInsets.only(top: 5.0),
                    child: Column(children: [
                      const Text(
                        "Notes",
                        textAlign: TextAlign.center,
                        style: TextStyle(
                          fontSize: 35,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                      const Padding(
                        padding: EdgeInsets.symmetric(horizontal: 20.0),
                        child: Divider(),
                      ),
                      const SizedBox(height: 10),
                      BuildNotesList(notes: notesList),
                    ]),
                  ),
                ),
              ),
            ),
          );
        } else {
          return const Center(
            child: Text("Error Loading Notes"),
          );
        }
      },
    );
  }
}