import 'package:flutter/material.dart';
import 'package:flutter_material_color_picker/flutter_material_color_picker.dart';
import 'package:provider/provider.dart';
import 'package:toolbox/core/update.dart';
import 'package:toolbox/data/provider/app.dart';
import 'package:toolbox/data/provider/server.dart';
import 'package:toolbox/data/res/build_data.dart';
import 'package:toolbox/data/res/color.dart';
import 'package:toolbox/data/res/tab.dart';
import 'package:toolbox/data/store/setting.dart';
import 'package:toolbox/locator.dart';
import 'package:toolbox/view/widget/round_rect_card.dart';

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

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

class _SettingPageState extends State<SettingPage> {
  late SettingStore _store;
  late int _selectedColorValue;
  late int _launchPageIdx;
  double _intervalValue = 0;
  late Color priColor;
  static const textStyle = TextStyle(fontSize: 14);
  late final ServerProvider _serverProvider;
  late MediaQueryData _media;
  late ThemeData _theme;

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    priColor = primaryColor;
    _media = MediaQuery.of(context);
    _theme = Theme.of(context);
  }

  @override
  void initState() {
    super.initState();
    _serverProvider = locator<ServerProvider>();
    _store = locator<SettingStore>();
    _launchPageIdx = _store.launchPage.fetch()!;
    _intervalValue = _store.serverStatusUpdateInterval.fetch()!.toDouble();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Setting'),
      ),
      body: ListView(
        padding: const EdgeInsets.all(17),
        children: [
          _buildAppColorPreview(),
          _buildUpdateInterval(),
          _buildCheckUpdate(),
          _buildLaunchPage()
        ].map((e) => RoundRectCard(e)).toList(),
      ),
    );
  }

  Widget _buildCheckUpdate() {
    return Consumer<AppProvider>(builder: (_, app, __) {
      String display;
      if (app.newestBuild != null) {
        if (app.newestBuild! > BuildData.build) {
          display = 'Found: v1.0.${app.newestBuild}, click to update';
        } else {
          display = 'Current: v1.0.${BuildData.build}，is up to date';
        }
      } else {
        display = 'Current: v1.0.${BuildData.build}';
      }
      return ListTile(
          contentPadding: EdgeInsets.zero,
          trailing: const Icon(Icons.keyboard_arrow_right),
          title: Text(
            display,
            style: textStyle,
            textAlign: TextAlign.start,
          ),
          onTap: () => doUpdate(context, force: true));
    });
  }

  Widget _buildUpdateInterval() {
    return ExpansionTile(
      tilePadding: EdgeInsets.zero,
      childrenPadding: EdgeInsets.zero,
      textColor: priColor,
      title: const Text(
        'Server status update interval',
        style: textStyle,
        textAlign: TextAlign.start,
      ),
      subtitle: const Text(
        'Will take effect immediately.',
        style: TextStyle(color: Colors.grey),
      ),
      trailing: Text('${_intervalValue.toInt()} s'),
      children: [
        Slider(
          thumbColor: priColor,
          activeColor: priColor.withOpacity(0.7),
          min: 0,
          max: 10,
          value: _intervalValue,
          onChanged: (newValue) {
            setState(() {
              _intervalValue = newValue;
            });
          },
          onChangeEnd: (val) {
            _store.serverStatusUpdateInterval.put(val.toInt());
            _serverProvider.startAutoRefresh();
          },
          label: '${_intervalValue.toInt()} seconds',
          divisions: 10,
        ),
        const SizedBox(
          height: 3,
        ),
        _intervalValue == 0.0
            ? const Text(
                'You set to 0, will not update automatically.\nYou can pull to refresh manually.',
                style: TextStyle(color: Colors.grey),
                textAlign: TextAlign.center,
              )
            : const SizedBox(),
        const SizedBox(
          height: 13,
        )
      ],
    );
  }

  Widget _buildAppColorPreview() {
    return ExpansionTile(
        textColor: priColor,
        tilePadding: EdgeInsets.zero,
        childrenPadding: EdgeInsets.zero,
        children: [
          _buildAppColorPicker(priColor),
          _buildColorPickerConfirmBtn()
        ],
        trailing: ClipOval(
          child: Container(
            color: priColor,
            height: 27,
            width: 27,
          ),
        ),
        title: const Text(
          'App primary color',
          style: textStyle,
        ));
  }

  Widget _buildAppColorPicker(Color selected) {
    return MaterialColorPicker(
        shrinkWrap: true,
        onColorChange: (Color color) {
          _selectedColorValue = color.value;
        },
        selectedColor: selected);
  }

  Widget _buildColorPickerConfirmBtn() {
    return IconButton(
      icon: const Icon(Icons.save),
      onPressed: (() {
        _store.primaryColor.put(_selectedColorValue);
        setState(() {});
      }),
    );
  }

  Widget _buildLaunchPage() {
    return ExpansionTile(
      textColor: priColor,
      tilePadding: EdgeInsets.zero,
      childrenPadding: EdgeInsets.zero,
      title: const Text(
        'Launch page',
        style: textStyle,
      ),
      trailing: ConstrainedBox(
        constraints: BoxConstraints(maxWidth: _media.size.width * 0.35),
        child: Text(
          tabs[_launchPageIdx],
          style: textStyle,
          textScaleFactor: 1.0,
          textAlign: TextAlign.right,
        ),
      ),
      children: tabs
          .map((e) => ListTile(
                contentPadding: EdgeInsets.zero,
                title: Text(
                  e,
                  style: TextStyle(
                      fontSize: 14,
                      color: _theme.textTheme.bodyText2!.color!.withAlpha(177)),
                ),
                trailing: _buildRadio(tabs.indexOf(e)),
              ))
          .toList(),
    );
  }

  Radio _buildRadio(int index) {
    return Radio<int>(
      value: index,
      groupValue: _launchPageIdx,
      onChanged: (int? value) {
        setState(() {
          _launchPageIdx = value!;
          _store.launchPage.put(value);
        });
      },
    );
  }
}