import 'package:flutter/material.dart';
import 'package:voyagehandbook/util/drawer.dart';
import 'package:voyagehandbook/util/storage.dart';
import 'package:voyagehandbook/util/styles.dart';
import 'package:voyagehandbook/views/pageview.dart';
import 'package:voyagehandbook/views/search.dart';

/*
        Voyage Handbook - The open-source WikiVoyage reader
        Copyright (C) 2023 Matyáš Caras

        This program is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License version 3 as published by
        the Free Software Foundation.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

class HomeView extends StatefulWidget {
  const HomeView({super.key});

  @override
  State<HomeView> createState() => _HomeViewState();
}

class _HomeViewState extends State<HomeView> {
  var _recents = <Widget>[];
  @override
  void initState() {
    super.initState();
    load();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      floatingActionButton: FloatingActionButton(
        onPressed: () => Navigator.of(context).pushReplacement(
          MaterialPageRoute(
            builder: (_) => const SearchView(),
          ),
        ),
        child: const Icon(Icons.search),
      ),
      appBar: AppBar(title: const Text("Home")),
      drawer: genDrawer(1, context),
      body: Center(
        child: SizedBox(
          height: MediaQuery.of(context).size.height,
          width: MediaQuery.of(context).size.width * 0.9,
          child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: (_recents.isEmpty)
                  ? [
                      const Flexible(
                        child: Text(
                            "You haven't opened anything recently, swipe right and start searching."),
                      )
                    ]
                  : _recents),
        ),
      ),
    );
  }

  void load() async {
    var recent = await StorageAccess.recent;
    if (recent.isEmpty) return;
    recent.sort((a, b) => DateTime.fromMillisecondsSinceEpoch(a["date"])
            .isAfter(DateTime.fromMillisecondsSinceEpoch(b["date"]))
        ? -1
        : DateTime.fromMillisecondsSinceEpoch(a["date"]).isAtSameMomentAs(
                DateTime.fromMillisecondsSinceEpoch(b["date"]))
            ? 0
            : 1);
    _recents = [
      const Text(
        "Recent pages",
        style: PageStyles.h1,
      ),
      const SizedBox(
        height: 15,
      ),
    ];
    for (var r in recent) {
      if (!mounted) return;
      _recents.add(
        SizedBox(
          width: MediaQuery.of(context).size.width * 0.9,
          height: 50,
          child: InkWell(
            onTap: () => Navigator.of(context).push(
              MaterialPageRoute(
                builder: (c) => ArticleView(pageKey: r["key"], name: r["name"]),
              ),
            )..then((_) => load()),
            child: Align(
              alignment: Alignment.center,
              child: Text(
                r["name"],
                style:
                    const TextStyle(fontWeight: FontWeight.w500, fontSize: 18),
              ),
            ),
          ),
        ),
      );
    }
    setState(() {});
  }
}