import 'package:flutter/material.dart';
import "package:intl/intl.dart";
import 'package:photos/ente_theme_data.dart';
import "package:photos/generated/l10n.dart";
import 'package:photos/models/subscription.dart';
import "package:photos/services/update_service.dart";
import "package:photos/theme/ente_theme.dart";
import "package:photos/ui/components/captioned_text_widget.dart";
import "package:photos/ui/components/menu_item_widget/menu_item_widget.dart";
import 'package:photos/ui/payment/billing_questions_widget.dart';
import 'package:photos/utils/data_util.dart';

class SubscriptionHeaderWidget extends StatefulWidget {
  final bool? isOnboarding;
  final int? currentUsage;

  const SubscriptionHeaderWidget({
    Key? key,
    this.isOnboarding,
    this.currentUsage,
  }) : super(key: key);

  @override
  State<StatefulWidget> createState() {
    return _SubscriptionHeaderWidgetState();
  }
}

class _SubscriptionHeaderWidgetState extends State<SubscriptionHeaderWidget> {
  @override
  Widget build(BuildContext context) {
    if (widget.isOnboarding!) {
      return Padding(
        padding: const EdgeInsets.fromLTRB(20, 20, 20, 24),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Text(
                  S.of(context).selectYourPlan,
                  style: Theme.of(context).textTheme.headlineMedium,
                ),
              ],
            ),
            const SizedBox(height: 10),
            Text(
              S.of(context).enteSubscriptionPitch,
              style: Theme.of(context).textTheme.bodySmall,
            ),
            const SizedBox(height: 4),
            Text(
              S.of(context).enteSubscriptionShareWithFamily,
              style: Theme.of(context).textTheme.bodySmall,
            ),
          ],
        ),
      );
    } else {
      return SizedBox(
        height: 72,
        width: double.infinity,
        child: Padding(
          padding: const EdgeInsets.all(24.0),
          child: RichText(
            text: TextSpan(
              children: [
                TextSpan(
                  text: S.of(context).currentUsageIs,
                  style: Theme.of(context).textTheme.titleMedium,
                ),
                TextSpan(
                  text: formatBytes(widget.currentUsage!),
                  style: Theme.of(context)
                      .textTheme
                      .titleMedium!
                      .copyWith(fontWeight: FontWeight.bold),
                ),
              ],
            ),
          ),
        ),
      );
    }
  }
}

class ValidityWidget extends StatelessWidget {
  final Subscription? currentSubscription;

  const ValidityWidget({Key? key, this.currentSubscription}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    if (currentSubscription == null) {
      return const SizedBox.shrink();
    }
    final endDate =
        DateFormat.yMMMd(Localizations.localeOf(context).languageCode).format(
      DateTime.fromMicrosecondsSinceEpoch(currentSubscription!.expiryTime),
    );

    var message = S.of(context).renewsOn(endDate);
    if (currentSubscription!.productID == freeProductID) {
      message = UpdateService.instance.isPlayStoreFlavor()
          ? S.of(context).playStoreFreeTrialValidTill(endDate)
          : S.of(context).freeTrialValidTill(endDate);
    } else if (currentSubscription!.attributes?.isCancelled ?? false) {
      message = S.of(context).subWillBeCancelledOn(endDate);
    }
    return Padding(
      padding: const EdgeInsets.only(top: 8),
      child: Text(
        message,
        style: Theme.of(context).textTheme.bodySmall,
        textAlign: TextAlign.center,
      ),
    );
  }
}

class SubFaqWidget extends StatelessWidget {
  final bool isOnboarding;

  const SubFaqWidget({Key? key, this.isOnboarding = false}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final colorScheme = getEnteColorScheme(context);
    return Padding(
      padding: EdgeInsets.fromLTRB(16, 40, 16, isOnboarding ? 40 : 4),
      child: MenuItemWidget(
        captionedTextWidget: CaptionedTextWidget(
          title: S.of(context).faqs,
        ),
        menuItemColor: colorScheme.fillFaint,
        trailingWidget: Icon(
          Icons.chevron_right_outlined,
          color: colorScheme.strokeBase,
        ),
        singleBorderRadius: 4,
        alignCaptionedTextToLeft: true,
        onTap: () async {
          showModalBottomSheet<void>(
            backgroundColor: Theme.of(context).colorScheme.bgColorForQuestions,
            barrierColor: Colors.black87,
            context: context,
            builder: (context) {
              return const BillingQuestionsWidget();
            },
          );
        },
      ),
    );
  }
}