import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/svg.dart';
import 'package:stackwallet/hive/db.dart';
import 'package:stackwallet/pages/pinpad_views/create_pin_view.dart';
import 'package:stackwallet/pages_desktop_specific/create_password/create_password_view.dart';
import 'package:stackwallet/providers/global/prefs_provider.dart';
import 'package:stackwallet/providers/global/price_provider.dart';
import 'package:stackwallet/services/exchange/exchange_data_loading_service.dart';
import 'package:stackwallet/utilities/assets.dart';
import 'package:stackwallet/utilities/constants.dart';
import 'package:stackwallet/utilities/text_styles.dart';
import 'package:stackwallet/utilities/theme/stack_colors.dart';
import 'package:stackwallet/utilities/util.dart';
import 'package:stackwallet/widgets/custom_buttons/app_bar_icon_button.dart';
import 'package:stackwallet/widgets/desktop/desktop_app_bar.dart';
import 'package:stackwallet/widgets/desktop/desktop_scaffold.dart';
import 'package:stackwallet/widgets/desktop/primary_button.dart';
import 'package:stackwallet/widgets/rounded_white_container.dart';

class StackPrivacyCalls extends ConsumerStatefulWidget {
  const StackPrivacyCalls({
    Key? key,
    required this.isSettings,
  }) : super(key: key);

  final bool isSettings;

  static const String routeName = "/stackPrivacy";

  @override
  ConsumerState<StackPrivacyCalls> createState() => _StackPrivacyCalls();
}

class _StackPrivacyCalls extends ConsumerState<StackPrivacyCalls> {
  late final bool isDesktop;
  late bool isEasy;
  late bool infoToggle;

  @override
  void initState() {
    isDesktop = Util.isDesktop;
    isEasy = ref.read(prefsChangeNotifierProvider).externalCalls;
    infoToggle = isEasy;
    super.initState();
  }

  @override
  void dispose() {
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MasterScaffold(
      background: Theme.of(context).extension<StackColors>()!.background,
      isDesktop: isDesktop,
      appBar: isDesktop
          ? const DesktopAppBar(
              isCompactHeight: false,
              leading: AppBarBackButton(),
            )
          : AppBar(
              leading: AppBarBackButton(
                onPressed: () {
                  Navigator.of(context).pop();
                },
              ),
            ),
      body: SafeArea(
        child: Padding(
          padding: EdgeInsets.fromLTRB(0, isDesktop ? 0 : 40, 0, 0),
          child: ConstrainedBox(
            constraints: BoxConstraints(
              maxWidth: isDesktop ? 480 : double.infinity,
            ),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text(
                  "Choose your Stack experience",
                  style: isDesktop
                      ? STextStyles.desktopH2(context)
                      : STextStyles.pageTitleH1(context),
                ),
                SizedBox(
                  height: isDesktop ? 16 : 8,
                ),
                Text(
                  !widget.isSettings
                      ? "You can change it later in Settings"
                      : "",
                  style: isDesktop
                      ? STextStyles.desktopSubtitleH2(context)
                      : STextStyles.subtitle(context),
                ),
                SizedBox(
                  height: isDesktop ? 32 : 36,
                ),
                Padding(
                  padding: EdgeInsets.symmetric(
                    horizontal: isDesktop ? 0 : 16,
                  ),
                  child: PrivacyToggle(
                    externalCallsEnabled: isEasy,
                    onChanged: (externalCalls) {
                      isEasy = externalCalls;
                      setState(() {
                        infoToggle = isEasy;
                      });
                    },
                  ),
                ),
                SizedBox(
                  height: isDesktop ? 16 : 36,
                ),
                Padding(
                  padding: isDesktop
                      ? const EdgeInsets.all(0)
                      : const EdgeInsets.all(16.0),
                  child: RoundedWhiteContainer(
                    child: Center(
                      child: RichText(
                        textAlign: TextAlign.left,
                        text: TextSpan(
                          style: isDesktop
                              ? STextStyles.desktopTextExtraExtraSmall(context)
                              : STextStyles.label(context).copyWith(
                                  fontSize: 12.0,
                                ),
                          children: infoToggle
                              ? [
                                  const TextSpan(
                                      text:
                                          "Exchange data preloaded for a seamless experience."),
                                  const TextSpan(
                                      text:
                                          "\n\nCoinGecko enabled: (24 hour price change shown in-app, total wallet value shown in USD or other currency)."),
                                  TextSpan(
                                    text:
                                        "\n\nRecommended for most crypto users.",
                                    style: isDesktop
                                        ? STextStyles
                                            .desktopTextExtraExtraSmall600(
                                                context)
                                        : TextStyle(
                                            color: Theme.of(context)
                                                .extension<StackColors>()!
                                                .textDark,
                                            fontWeight: FontWeight.w600,
                                          ),
                                  ),
                                ]
                              : [
                                  const TextSpan(
                                      text:
                                          "Exchange data not preloaded (slower experience)."),
                                  const TextSpan(
                                      text:
                                          "\n\nCoinGecko disabled (price changes not shown, no wallet value shown in other currencies)."),
                                  TextSpan(
                                    text:
                                        "\n\nRecommended for the privacy conscious.",
                                    style: isDesktop
                                        ? STextStyles
                                            .desktopTextExtraExtraSmall600(
                                                context)
                                        : TextStyle(
                                            color: Theme.of(context)
                                                .extension<StackColors>()!
                                                .textDark,
                                            fontWeight: FontWeight.w600,
                                          ),
                                  ),
                                ],
                        ),
                      ),
                    ),
                  ),
                ),
                if (!isDesktop)
                  const Spacer(
                    flex: 4,
                  ),
                if (isDesktop)
                  const SizedBox(
                    height: 32,
                  ),
                Padding(
                  padding: isDesktop
                      ? const EdgeInsets.all(0)
                      : const EdgeInsets.symmetric(
                          horizontal: 16,
                          vertical: 16,
                        ),
                  child: Row(
                    children: [
                      Expanded(
                        child: PrimaryButton(
                          label:
                              !widget.isSettings ? "Continue" : "Save changes",
                          onPressed: () {
                            ref
                                .read(prefsChangeNotifierProvider)
                                .externalCalls = isEasy;

                            DB.instance
                                .put<dynamic>(
                                    boxName: DB.boxNamePrefs,
                                    key: "externalCalls",
                                    value: isEasy)
                                .then((_) {
                              if (isEasy) {
                                unawaited(
                                    ExchangeDataLoadingService().loadAll(ref));
                                ref
                                    .read(priceAnd24hChangeNotifierProvider)
                                    .start(true);
                              }
                            });
                            if (!widget.isSettings) {
                              if (isDesktop) {
                                Navigator.of(context).pushNamed(
                                  CreatePasswordView.routeName,
                                );
                              } else {
                                Navigator.of(context).pushNamed(
                                  CreatePinView.routeName,
                                );
                              }
                            } else {
                              Navigator.pop(context);
                            }
                          },
                        ),
                      ),
                    ],
                  ),
                ),
                if (isDesktop)
                  const SizedBox(
                    height: kDesktopAppBarHeight,
                  ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

class PrivacyToggle extends StatefulWidget {
  const PrivacyToggle({
    Key? key,
    required this.externalCallsEnabled,
    this.onChanged,
  }) : super(key: key);

  final bool externalCallsEnabled;
  final void Function(bool)? onChanged;

  @override
  State<PrivacyToggle> createState() => _PrivacyToggleState();
}

class _PrivacyToggleState extends State<PrivacyToggle> {
  late bool externalCallsEnabled;

  late final bool isDesktop;

  @override
  void initState() {
    isDesktop = Util.isDesktop;
    // initial toggle state
    externalCallsEnabled = widget.externalCallsEnabled;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        Expanded(
          child: RawMaterialButton(
            elevation: 0,
            fillColor: Theme.of(context).extension<StackColors>()!.popupBG,
            shape: RoundedRectangleBorder(
              side: !externalCallsEnabled
                  ? BorderSide.none
                  : BorderSide(
                      color: Theme.of(context)
                          .extension<StackColors>()!
                          .infoItemIcons,
                      width: 2,
                    ),
              borderRadius: BorderRadius.circular(
                Constants.size.circularBorderRadius * 2,
              ),
            ),
            onPressed: () {
              setState(() {
                // update toggle state
                externalCallsEnabled = true;
              });
              // call callback with newly set value
              widget.onChanged?.call(externalCallsEnabled);
            },
            child: Padding(
              padding: const EdgeInsets.all(
                12,
              ),
              child: Stack(
                children: [
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      if (isDesktop)
                        const SizedBox(
                          height: 10,
                        ),
                      SvgPicture.asset(
                        Assets.svg.personaEasy,
                        width: isDesktop ? 120 : 140,
                        height: isDesktop ? 120 : 140,
                      ),
                      if (isDesktop)
                        const SizedBox(
                          height: 12,
                        ),
                      Center(
                        child: Text(
                          "Easy Crypto",
                          style: isDesktop
                              ? STextStyles.desktopTextSmall(context)
                              : STextStyles.label700(context),
                        ),
                      ),
                      Center(
                        child: Text(
                          "Recommended",
                          style: isDesktop
                              ? STextStyles.desktopTextExtraExtraSmall(context)
                              : STextStyles.label(context),
                        ),
                      ),
                      if (isDesktop)
                        const SizedBox(
                          height: 12,
                        ),
                    ],
                  ),
                  if (externalCallsEnabled)
                    Positioned(
                      top: 4,
                      right: 4,
                      child: SvgPicture.asset(
                        Assets.svg.checkCircle,
                        width: 20,
                        height: 20,
                        color: Theme.of(context)
                            .extension<StackColors>()!
                            .infoItemIcons,
                      ),
                    ),
                  if (!externalCallsEnabled)
                    Positioned(
                      top: 4,
                      right: 4,
                      child: Container(
                        width: 20,
                        height: 20,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(1000),
                          color: Theme.of(context)
                              .extension<StackColors>()!
                              .textFieldDefaultBG,
                        ),
                      ),
                    ),
                ],
              ),
            ),
          ),
        ),
        const SizedBox(
          width: 16,
        ),
        Expanded(
          child: RawMaterialButton(
            elevation: 0,
            fillColor: Theme.of(context).extension<StackColors>()!.popupBG,
            shape: RoundedRectangleBorder(
              side: externalCallsEnabled
                  ? BorderSide.none
                  : BorderSide(
                      color: Theme.of(context)
                          .extension<StackColors>()!
                          .infoItemIcons,
                      width: 2,
                    ),
              borderRadius: BorderRadius.circular(
                Constants.size.circularBorderRadius * 2,
              ),
            ),
            onPressed: () {
              setState(() {
                // update toggle state
                externalCallsEnabled = false;
              });
              // call callback with newly set value
              widget.onChanged?.call(externalCallsEnabled);
            },
            child: Padding(
              padding: const EdgeInsets.all(
                12,
              ),
              child: Stack(
                children: [
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      if (isDesktop)
                        const SizedBox(
                          height: 10,
                        ),
                      SvgPicture.asset(
                        Assets.svg.personaIncognito,
                        width: isDesktop ? 120 : 140,
                        height: isDesktop ? 120 : 140,
                      ),
                      if (isDesktop)
                        const SizedBox(
                          height: 12,
                        ),
                      Center(
                        child: Text(
                          "Incognito",
                          style: isDesktop
                              ? STextStyles.desktopTextSmall(context)
                              : STextStyles.label700(context),
                        ),
                      ),
                      Center(
                        child: Text(
                          "Privacy conscious",
                          style: isDesktop
                              ? STextStyles.desktopTextExtraExtraSmall(context)
                              : STextStyles.label(context),
                        ),
                      ),
                      if (isDesktop)
                        const SizedBox(
                          height: 12,
                        ),
                    ],
                  ),
                  if (!externalCallsEnabled)
                    Positioned(
                      top: 4,
                      right: 4,
                      child: SvgPicture.asset(
                        Assets.svg.checkCircle,
                        width: 20,
                        height: 20,
                        color: Theme.of(context)
                            .extension<StackColors>()!
                            .infoItemIcons,
                      ),
                    ),
                  if (externalCallsEnabled)
                    Positioned(
                      top: 4,
                      right: 4,
                      child: Container(
                        width: 20,
                        height: 20,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(1000),
                          color: Theme.of(context)
                              .extension<StackColors>()!
                              .textFieldDefaultBG,
                        ),
                      ),
                    ),
                ],
              ),
            ),
          ),
        ),
      ],
    );
  }
}

// class ContinueButton extends ConsumerWidget {
//   const ContinueButton({
//     Key? key,
//     required this.isDesktop,
//     required this.onPressed,
//     required this.label,
//   }) : super(key: key);
//
//   final String label;
//   final bool isDesktop;
//   final VoidCallback onPressed;
//
//   @override
//   Widget build(BuildContext context, WidgetRef ref) {
//     if (isDesktop) {
//       return SizedBox(
//         width: 328,
//         height: 70,
//         child: TextButton(
//           style: Theme.of(context)
//               .extension<StackColors>()!
//               .getPrimaryEnabledButtonColor(context),
//           onPressed: onPressed,
//           child: Text(
//             label,
//             style: STextStyles.button(context).copyWith(fontSize: 20),
//           ),
//         ),
//       );
//     } else {
//       return TextButton(
//         style: Theme.of(context)
//             .extension<StackColors>()!
//             .getPrimaryEnabledButtonColor(context),
//         onPressed: onPressed,
//         child: Text(
//           label,
//           style: STextStyles.button(context),
//         ),
//       );
//     }
//   }
// }

// class CustomRadio extends StatefulWidget {
//   CustomRadio(this.upperCall, {Key? key}) : super(key: key);
//
//   Function upperCall;
//
//   @override
//   createState() {
//     return CustomRadioState();
//   }
// }
//
// class CustomRadioState extends State<CustomRadio> {
//   List<RadioModel> sampleData = <RadioModel>[];
//
//   @override
//   void initState() {
//     super.initState();
//     sampleData.add(
//         RadioModel(true, Assets.svg.personaEasy, 'Easy Crypto', 'Recommended'));
//     sampleData.add(RadioModel(
//         false, Assets.svg.personaIncognito, 'Incognito', 'Privacy conscious'));
//   }
//
//   @override
//   Widget build(BuildContext context) {
//     return Row(
//       mainAxisAlignment: MainAxisAlignment.center,
//       children: [
//         InkWell(
//           onTap: () {
//             setState(() {
//               // if (!sampleData[0].isSelected) {
//               widget.upperCall.call(true);
//               // }
//               for (var element in sampleData) {
//                 element.isSelected = false;
//               }
//               sampleData[0].isSelected = true;
//             });
//           },
//           child: RadioItem(sampleData[0]),
//         ),
//         InkWell(
//           onTap: () {
//             setState(() {
//               // if (!sampleData[1].isSelected) {
//               widget.upperCall.call(false);
//               // }
//               for (var element in sampleData) {
//                 element.isSelected = false;
//               }
//               sampleData[1].isSelected = true;
//             });
//           },
//           child: RadioItem(sampleData[1]),
//         )
//       ],
//     );
//   }
// }
//
// class RadioItem extends StatelessWidget {
//   final RadioModel _item;
//   const RadioItem(this._item, {Key? key}) : super(key: key);
//   @override
//   Widget build(BuildContext context) {
//     return Container(
//       margin: const EdgeInsets.all(15.0),
//       child: RoundedWhiteContainer(
//         borderColor: _item.isSelected ? const Color(0xFF0056D2) : null,
//         child: Center(
//             child: Column(
//           children: [
//             SvgPicture.asset(
//               _item.svg,
//               // color: Theme.of(context).extension<StackColors>()!.textWhite,
//               width: 140,
//               height: 140,
//             ),
//             RichText(
//               textAlign: TextAlign.center,
//               text: TextSpan(
//                 style: STextStyles.label(context).copyWith(fontSize: 12.0),
//                 children: [
//                   TextSpan(
//                       text: _item.topText,
//                       style: TextStyle(
//                           color: Theme.of(context)
//                               .extension<StackColors>()!
//                               .textDark,
//                           fontWeight: FontWeight.bold)),
//                   TextSpan(text: "\n${_item.bottomText}"),
//                 ],
//               ),
//             ),
//           ],
//         )),
//       ),
//     );
//   }
// }
//
// class RadioModel {
//   bool isSelected;
//   final String svg;
//   final String topText;
//   final String bottomText;
//
//   RadioModel(this.isSelected, this.svg, this.topText, this.bottomText);
// }