import 'package:drift/drift.dart' hide Column;
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:sendtrain/daos/sessions_dao.dart';
import 'package:sendtrain/database/database.dart';
import 'package:sendtrain/widgets/session_view.dart';

class SessionCreator extends StatefulWidget {
  const SessionCreator({super.key, this.data, this.session});

  final Session? session;
  final Map<String, dynamic>? data;

  @override
  State<SessionCreator> createState() => _SessionCreatorState();
}

class _SessionCreatorState extends State<SessionCreator> {
  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();

  final Map<String, TextEditingController> sessionCreateController = {
    'name': TextEditingController(),
    'content': TextEditingController(),
    'status': TextEditingController(),
    'date': TextEditingController(),
  };

  Future createSession(context) {
    return SessionsDao(Provider.of<AppDatabase>(context, listen: false))
        .createOrUpdate(SessionsCompanion(
            title: Value(sessionCreateController['name']!.text),
            content: Value(sessionCreateController['content']!.text),
            status: Value(SessionStatus.pending),
            date:
                Value(DateTime.parse(sessionCreateController['date']!.text))));
  }

  @override
  Widget build(BuildContext context) {
    sessionCreateController['date']!.text =
        DateFormat('yyyy-MM-dd').format(DateTime.now());

    return SimpleDialog(
        title: Text('Create Session', textAlign: TextAlign.center),
        titlePadding: EdgeInsets.only(top: 17.5, bottom: 10),
        contentPadding: EdgeInsets.only(left: 30, right: 30, bottom: 15),
        children: [
          Form(
              key: _formKey,
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: <Widget>[
                  Padding(
                      padding: EdgeInsets.only(top: 10, bottom: 10),
                      child: TextFormField(
                        controller: sessionCreateController['name'],
                        decoration: const InputDecoration(
                          border: OutlineInputBorder(),
                          hintText: 'Enter session name',
                        ),
                        validator: (String? value) {
                          if (value == null || value.isEmpty) {
                            return 'Please enter some text';
                          }

                          if (value.length <= 3 || value.length > 42) {
                            return 'Please enter between 3 and 42 characters';
                          }
                          return null;
                        },
                      )),
                  Padding(
                      padding: EdgeInsets.only(top: 10, bottom: 10),
                      child: TextFormField(
                        controller: sessionCreateController['content'],
                        decoration: const InputDecoration(
                          border: OutlineInputBorder(),
                          hintText: 'Enter session description',
                        ),
                        validator: (String? value) {
                          if (value == null || value.isEmpty) {
                            return 'Please enter some text';
                          }

                          if (value.length <= 3 || value.length > 256) {
                            return 'Please enter between 3 and 256 characters';
                          }
                          return null;
                        },
                      )),
                  Padding(
                      padding: EdgeInsets.only(top: 7.5, bottom: 7.5),
                      child: TextFormField(
                          readOnly: true,
                          decoration: const InputDecoration(
                            border: OutlineInputBorder(),
                            hintText: 'Enter a date for the session',
                          ),
                          controller: sessionCreateController['date'],
                          onTap: () {
                            showDatePicker(
                                    context: context,
                                    initialDate: DateTime.now(),
                                    firstDate: DateTime.now()
                                        .subtract(Duration(days: 365)),
                                    lastDate:
                                        DateTime.now().add(Duration(days: 365)))
                                .then((date) {
                              sessionCreateController['date']?.text =
                                  DateFormat('yyyy-MM-dd').format(date!);
                            });
                          })),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.end,
                    children: [
                    TextButton(
                        onPressed: () => {
                              if (_formKey.currentState!.validate())
                                {
                                  createSession(_formKey.currentContext)
                                      .then((id) => {
                                            SessionsDao(
                                                    Provider.of<AppDatabase>(
                                                        context,
                                                        listen: false))
                                                .find(id)
                                                .then(
                                                  (session) =>
                                                      showGeneralDialog(
                                                          barrierColor: Colors
                                                              .black
                                                              .withOpacity(0.5),
                                                          transitionDuration:
                                                              const Duration(
                                                                  milliseconds:
                                                                      220),
                                                          transitionBuilder:
                                                              (BuildContext
                                                                      context,
                                                                  Animation<
                                                                          double>
                                                                      animation,
                                                                  Animation<
                                                                          double>
                                                                      secondaryAnimation,
                                                                  Widget
                                                                      child) {
                                                            Animation<Offset> custom = Tween<
                                                                        Offset>(
                                                                    begin:
                                                                        const Offset(
                                                                            0.0,
                                                                            1.0),
                                                                    end: const Offset(
                                                                        0.0,
                                                                        0.0))
                                                                .animate(
                                                                    animation);
                                                            return SlideTransition(
                                                                position:
                                                                    custom,
                                                                child: Dialog.fullscreen(
                                                                    child: SessionView(
                                                                        session:
                                                                            session)));
                                                          },
                                                          barrierDismissible:
                                                              true,
                                                          barrierLabel: '',
                                                          context: context,
                                                          pageBuilder: (context,
                                                              animation1,
                                                              animation2) {
                                                            return Container();
                                                          }).whenComplete(() => Navigator.pop(context, 'Submit')),
                                                )
                                          })
                                }
                            },
                        child: Text('Submit'))
                  ])
                ],
              ))
        ]);
  }
}