Fladder/lib/screens/syncing/sync_button.dart

import 'package:flutter/material.dart';

import 'package:background_downloader/background_downloader.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:iconsax_plus/iconsax_plus.dart';

import 'package:fladder/models/item_base_model.dart';
import 'package:fladder/models/syncing/sync_item.dart';
import 'package:fladder/providers/sync/sync_provider_helpers.dart';

class SyncButton extends ConsumerWidget {
  final ItemBaseModel item;
  final SyncedItem syncedItem;
  const SyncButton({required this.item, required this.syncedItem, super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final nested = ref.watch(syncedNestedChildrenProvider(syncedItem));
    return nested.when(
      loading: () => const SizedBox.shrink(),
      error: (err, stack) => const SizedBox.shrink(),
      data: (children) {
        final download = ref.watch(syncDownloadStatusProvider(syncedItem, children));
        final status = download?.status ?? TaskStatus.notFound;
        final progress = download?.progress ?? 0.0;

        return Stack(
          alignment: Alignment.center,
          children: [
            Icon(
              status == TaskStatus.notFound
                  ? (progress > 0 ? IconsaxPlusLinear.arrow_down_1 : IconsaxPlusLinear.more_circle)
                  : status.icon,
              color: status.color(context),
              size: status == TaskStatus.running && progress > 0 ? 16 : null,
            ),
            SizedBox.fromSize(
              size: const Size.fromRadius(10),
              child: CircularProgressIndicator(
                strokeCap: StrokeCap.round,
                strokeWidth: 1.5,
                color: status.color(context),
                value: status == TaskStatus.running ? progress.clamp(0.0, 1.0) : 0,
              ),
            ),
          ],
        );
      },
    );
  }
}