import 'package:external_repos/external_repos.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:uae_stat/config/my_theme.dart';
import 'package:uae_stat/domain/use_cases/language.dart';
import 'package:uae_stat/domain/use_cases/stat_data/indicator_use_case.dart';
import 'package:uae_stat/infrastructure/services/packages/num_abbreviation.dart';
import 'package:uae_stat/presentation/components/my_bottom_nav_bar.dart';
import 'package:uae_stat/presentation/components/space.dart';

/// constrain into a fixed height
class IndicatorView extends ConsumerWidget {
  const IndicatorView(
    this.id, {
    super.key,
  });

  final IndicatorEnum id;

  void onPressed(
    BuildContext context,
    WidgetRef ref,
  ) {
    final location =
        '/${context.language}/${BottomNavBarItem.uaeNumbers.routePath}/${id.name}';
    context.go(location);
  }

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final topicColor = MyTheme.topicColor(
      id.topic,
    );
    final title = Text(
      context.translate(
        id.titleEN,
        id.titleAR,
      ),
      textAlign: TextAlign.center,
      style: TextStyle(
        fontFamily: context.translate(
          'Roboto',
          'NotoKufi',
        ),
        color: Colors.black,
      ),
    );
    final provider = IndicatorProvider(id);
    return ref
        .watch(
          provider,
        )
        .when(
          skipLoadingOnRefresh: false,
          skipLoadingOnReload: false,
          skipError: false,
          data: (indicatorData) {
            final value = switch (id) {
              // econ
              IndicatorEnum.gdpGrowthConstant =>
                (indicatorData as GdpEntity).constant.gdpGrowthRate.value,
              // env
              IndicatorEnum.exportOilQuantity =>
                (indicatorData as OilEntity).crudeOilExports.value,
              IndicatorEnum.municipalWaste =>
                (indicatorData as WaterEntity).municipalWaste.value,
              // social
              IndicatorEnum.hospitalsPrivate =>
                (indicatorData as HospitalsEntity).numPrivate.value,
              _ => indicatorData.level1Data.value,
            };
            final subtitleText = switch (id) {
              // econ
              IndicatorEnum.gdpGrowthConstant =>
                (indicatorData as GdpEntity).constant.gdpGrowthRate.subtitle,
              // env
              IndicatorEnum.exportOilQuantity =>
                (indicatorData as OilEntity).crudeOilExports.subtitle,
              IndicatorEnum.municipalWaste =>
                (indicatorData as WaterEntity).municipalWaste.subtitle,
              // social
              IndicatorEnum.hospitalsPrivate =>
                (indicatorData as HospitalsEntity).numPrivate.subtitle,
              _ => indicatorData.level1Data.subtitle,
            };
            final hasPercentage = switch (id) {
              // econ
              IndicatorEnum.gdpGrowthConstant => (indicatorData as GdpEntity)
                  .constant
                  .gdpGrowthRate
                  .isValuePercentage,
              // env
              IndicatorEnum.exportOilQuantity =>
                (indicatorData as OilEntity).crudeOilExports.isValuePercentage,
              IndicatorEnum.municipalWaste =>
                (indicatorData as WaterEntity).municipalWaste.isValuePercentage,
              // social
              IndicatorEnum.hospitalsPrivate =>
                (indicatorData as HospitalsEntity).numPrivate.isValuePercentage,
              _ => indicatorData.level1Data.isPercentage,
            };
            // title + subtitle on separate lines
            final subtitle = Text(
              context.translateFromTuple(
                subtitleText,
              ),
              textAlign: TextAlign.center,
              style: TextStyle(
                fontFamily: context.translate(
                  'Roboto',
                  'NotoKufi',
                ),
                color: Colors.black45,
              ),
            );
            final textDescriptorBody = ConstrainedBox(
              constraints: BoxConstraints(
                maxWidth: context.translate(130, 170).toDouble(),
              ),
              child: Column(
                children: [
                  title,
                  subtitle,
                ],
              ),
            );
            final textValue = Text(
              '${value > 9999999 ? value.toAbbreviatedString() : value.toStringWithCommas(
                  hideDecimals: value > 99999,
                )}${(hasPercentage ? '%' : '')}',
              style: TextStyle(
                fontFamily:
                    //  ref.watch(languageProvider) == Language.ar
                    //     ? 'NotoKufi'
                    //     :
                    'Roboto',
                color: topicColor,
                fontSize: 24,
                fontWeight: FontWeight.w800,
                // height: context.translate(null, 1.75),
              ),
            );
            return InkWell(
              onTap: id == IndicatorEnum.municipalWaste
                  ? null
                  : () => onPressed(context, ref),
              borderRadius: BorderRadius.circular(10),
              child: Container(
                padding: const EdgeInsets.only(
                  top: 4,
                  bottom: 0,
                  left: 12,
                  right: 12,
                ),
                decoration: BoxDecoration(
                  border: Border.all(
                    color: topicColor,
                  ),
                  borderRadius: BorderRadius.circular(10),
                ),
                child: FittedBox(
                  fit: BoxFit.scaleDown,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      textDescriptorBody,
                      if (context.language == LanguageLocale.enUS)
                        6.verticalSpace,
                      textValue,
                    ],
                  ),
                ),
              ),
            );
          },
          error: (err, stackTrace) {
            Future(() => Error.throwWithStackTrace(err, stackTrace));
            Future.delayed(
              const Duration(seconds: 5),
              () {
                if (!context.mounted) return;
                ref.invalidate(provider);
              },
            );
            final textDescriptorBody = ConstrainedBox(
              constraints: const BoxConstraints(
                maxWidth: 130,
              ),
              child: title,
            );
            final value = Text(
              '!',
              style: TextStyle(
                fontFamily: context.translate(
                  'Roboto',
                  'NotoKufi',
                ),
                color: Colors.red,
                fontSize: 24,
                fontWeight: FontWeight.w900,
              ),
            );
            return InkWell(
              onTap: id == IndicatorEnum.municipalWaste
                  ? null
                  : () => onPressed(context, ref),
              borderRadius: BorderRadius.circular(10),
              child: Container(
                padding: const EdgeInsets.only(
                  top: 4,
                  bottom: 0,
                  left: 12,
                  right: 12,
                ),
                decoration: BoxDecoration(
                  border: Border.all(
                    color: topicColor,
                  ),
                  borderRadius: BorderRadius.circular(10),
                ),
                child: FittedBox(
                  fit: BoxFit.scaleDown,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      textDescriptorBody,
                      6.verticalSpace,
                      value,
                    ],
                  ),
                ),
              ),
            );
          },
          loading: () {
            final textDescriptorBody = ConstrainedBox(
              constraints: const BoxConstraints(
                maxWidth: 130,
              ),
              child: title,
            );
            final value = SizedBox(
              height: 24,
              width: 24,
              child: LinearProgressIndicator(
                borderRadius: BorderRadius.circular(100),
                color: MyTheme.topicColor(id.topic),
              ),
            );
            return InkWell(
              onTap: id == IndicatorEnum.municipalWaste
                  ? null
                  : () => onPressed(context, ref),
              borderRadius: BorderRadius.circular(10),
              child: Container(
                padding: const EdgeInsets.only(
                  top: 4,
                  bottom: 0,
                  left: 12,
                  right: 12,
                ),
                decoration: BoxDecoration(
                  border: Border.all(
                    color: topicColor,
                  ),
                  borderRadius: BorderRadius.circular(10),
                ),
                child: FittedBox(
                  fit: BoxFit.scaleDown,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      textDescriptorBody,
                      6.verticalSpace,
                      value,
                    ],
                  ),
                ),
              ),
            );
          },
        );
  }
}