import 'dart:math' as math;
import 'package:ltx_flutter/appwrite/auth_api.dart';
import 'package:ltx_flutter/appwrite/database_api.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:appwrite/models.dart';
import 'package:intl/intl.dart';

class TodayPage extends StatefulWidget {
  const TodayPage({Key? key}) : super(key: key);

  @override
  _TodayPageState createState() => _TodayPageState();
}

class _TodayPageState extends State<TodayPage> {
  final database = DatabaseAPI();
  AuthStatus authStatus = AuthStatus.uninitialized;
  DateTime? date;
  Document? entry;

  var hours = List<int>.generate(24, (i) => i).map((e) {
    var meridien = "AM";
    var hour = 12;
    if (e > 12) {
      hour = e - 12;
    } else if (e > 0) {
      hour = e;
    }
    if (e > 11) {
      meridien = "PM";
    }
    return {
      "string": "${hour.toString()} $meridien",
      "index": e.toInt(),
    };
  }).toList();

  @override
  void initState() {
    super.initState();
    final AuthAPI appwrite = context.read<AuthAPI>();
    authStatus = appwrite.status;
    loadEntry();
  }

  loadEntry() async {
    try {
      final value = await database.getEntries(limit: 1, paginationQuery: "");
      setState(() {
        entry = value.documents[0];
      });
    } catch (e) {
      print(e);
    }
  }

  String formatDate({String format = "", String? dateISO}) {
    final DateFormat dateFormatter = DateFormat(format);
    final date = dateISO!.isEmpty ? DateTime.now() : DateTime.parse(dateISO);
    return dateFormatter.format(date);
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: entry == null
          ? CircularProgressIndicator()
          : Column(
              children: [
                Text(
                  style: TextStyle(
                    fontSize: 40,
                  ),
                  formatDate(
                    format: "E, MMM dd, yyyy",
                    dateISO: entry?.data['date'],
                  ),
                ),
                Expanded(
                  child: ListView(
                      children: hours.map(
                    (e) {
                      int h = e["index"] as int;
                      List<dynamic> hoursData = entry!.data['hours'];
                      String hourData = (h >= hoursData.length)
                          ? ""
                          : hoursData[h].toString();
                      return ListTile(
                        leading: Text(e["string"] as String),
                        title: Text(hourData),
                      );
                    },
                  ).toList()),
                ),
                Container(
                  padding: EdgeInsets.only(top: 10),
                  color: Colors.black,
                  child: Row(
                    children: List<int>.generate(10, (i) => i).map(
                      (e) {
                        var generatedColor =
                            math.Random().nextInt(Colors.primaries.length);
                        return Expanded(
                          child: Padding(
                            padding: const EdgeInsets.all(2.0),
                            child: FilledButton(
                              style: ButtonStyle(
                                shape: MaterialStateProperty.all<
                                        RoundedRectangleBorder>(
                                    RoundedRectangleBorder(
                                        borderRadius: BorderRadius.zero,
                                        side: BorderSide(color: Colors.white))),
                                backgroundColor: MaterialStateProperty.all(
                                    Colors.primaries[generatedColor]),
                              ),
                              onLongPress: () =>
                                  print("Long pressed ${e.toString()}"),
                              onPressed: () => print("Tapped ${e.toString()}"),
                              child: Text(e.toString()),
                            ),
                          ),
                        );
                      },
                    ).toList(),
                  ),
                ),
              ],
            ),
    );
  }
}