import 'package:flutter/material.dart';

import '../../../../core/l10n/l10n.dart';
import '../../../../core/theme/design_tokens.dart';
import '../../../../shared/widgets/app_loading_indicator.dart';

class HomeWaitingIndicator extends StatelessWidget {
  const HomeWaitingIndicator({super.key, required this.label});

  final String label;

  @override
  Widget build(BuildContext context) {
    final colorScheme = Theme.of(context).colorScheme;

    return Padding(
      padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
      child: Row(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          SizedBox(
            width: 18,
            height: 18,
            child: AppLoadingIndicator(
              variant: AppLoadingVariant.inline,
              size: 18,
              strokeWidth: 2,
              color: colorScheme.primary,
              trackColor: colorScheme.primaryContainer,
            ),
          ),
          SizedBox(width: AppSpacing.sm),
          Text(
            label,
            style: TextStyle(fontSize: 14, color: colorScheme.onSurfaceVariant),
          ),
        ],
      ),
    );
  }
}

class HomeDateDivider extends StatelessWidget {
  const HomeDateDivider({super.key, required this.date});

  final DateTime date;

  @override
  Widget build(BuildContext context) {
    final colorScheme = Theme.of(context).colorScheme;
    final now = DateTime.now();
    final weekday = _weekdayLabel(context, date.weekday);
    final label = date.year == now.year
        ? context.l10n.homeDateLabelNoYear(date.month, date.day, weekday)
        : context.l10n.homeDateLabelWithYear(
            date.year,
            date.month,
            date.day,
            weekday,
          );

    return Container(
      padding: const EdgeInsets.symmetric(vertical: 12),
      alignment: Alignment.center,
      child: Text(
        label,
        style: TextStyle(fontSize: 12, color: colorScheme.onSurfaceVariant),
      ),
    );
  }

  String _weekdayLabel(BuildContext context, int weekday) {
    final labels = [
      context.l10n.calendarWeekdaySun,
      context.l10n.calendarWeekdayMon,
      context.l10n.calendarWeekdayTue,
      context.l10n.calendarWeekdayWed,
      context.l10n.calendarWeekdayThu,
      context.l10n.calendarWeekdayFri,
      context.l10n.calendarWeekdaySat,
    ];
    return labels[weekday % 7];
  }
}

class HomeLoadMoreButton extends StatelessWidget {
  const HomeLoadMoreButton({
    super.key,
    required this.isLoading,
    required this.onTap,
  });

  final bool isLoading;
  final VoidCallback? onTap;

  @override
  Widget build(BuildContext context) {
    final colorScheme = Theme.of(context).colorScheme;

    return GestureDetector(
      onTap: isLoading ? null : onTap,
      child: Container(
        padding: const EdgeInsets.symmetric(vertical: 8),
        alignment: Alignment.center,
        child: isLoading
            ? AppLoadingIndicator(
                variant: AppLoadingVariant.inline,
                size: 14,
                strokeWidth: 1.5,
                color: colorScheme.onSurfaceVariant,
                trackColor: colorScheme.surfaceContainerHighest,
              )
            : Text(
                context.l10n.homeViewHistory,
                style: TextStyle(
                  fontSize: 12,
                  color: colorScheme.onSurfaceVariant,
                ),
              ),
      ),
    );
  }
}