import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:patbond_flutter/core/theme/app_theme.dart';
import 'package:patbond_flutter/core/widgets/upload_progress_overlay.dart';
import 'package:patbond_flutter/features/community/media_uploader.dart';

/// UploadProgressOverlay（05 号规范 §3.3）：排队 / 上传中 / 失败三态
/// 形态与失败整格点按重试。
void main() {
  Widget host(Widget overlay) => MaterialApp(
    home: Scaffold(body: SizedBox(width: 100, height: 100, child: overlay)),
  );

  testWidgets('排队态：scrim + 「等待中」胶囊', (tester) async {
    await tester.pumpWidget(
      host(const UploadProgressOverlay(phase: MediaItemPhase.queued)),
    );

    expect(find.text('等待中'), findsOneWidget);
    expect(find.byType(CircularProgressIndicator), findsNothing);
  });

  testWidgets('上传中态：环形进度带 value + 百分比胶囊', (tester) async {
    await tester.pumpWidget(
      host(
        const UploadProgressOverlay(
          phase: MediaItemPhase.uploading,
          progress: 0.4,
        ),
      ),
    );

    final indicator = tester.widget<CircularProgressIndicator>(
      find.byType(CircularProgressIndicator),
    );
    expect(indicator.value, 0.4);
    expect(find.text('40%'), findsOneWidget);
  });

  testWidgets('confirming 定格 100%', (tester) async {
    await tester.pumpWidget(
      host(
        const UploadProgressOverlay(
          phase: MediaItemPhase.confirming,
          progress: 0.4,
        ),
      ),
    );

    expect(find.text('100%'), findsOneWidget);
  });

  testWidgets('失败态：errorDark 图标 + 重试通栏，整格点按触发 onRetry', (tester) async {
    var retried = 0;
    await tester.pumpWidget(
      host(
        UploadProgressOverlay(
          phase: MediaItemPhase.failed,
          onRetry: () => retried++,
        ),
      ),
    );

    final icon = tester.widget<Icon>(find.byIcon(Icons.error_outline));
    expect(icon.color, AppColors.errorDark);
    expect(find.text('重试'), findsOneWidget);
    // 整格（含图标区）点按即重试。
    await tester.tap(find.byIcon(Icons.error_outline));
    expect(retried, 1);
  });

  testWidgets('失败终态（onRetry null）：不显示重试通栏', (tester) async {
    await tester.pumpWidget(
      host(const UploadProgressOverlay(phase: MediaItemPhase.failed)),
    );

    expect(find.text('重试'), findsNothing);
  });

  testWidgets('成功态：150ms 淡出且不拦截点击、无残留文案', (tester) async {
    await tester.pumpWidget(
      host(const UploadProgressOverlay(phase: MediaItemPhase.ready)),
    );
    await tester.pumpAndSettle();

    expect(find.text('等待中'), findsNothing);
    expect(find.text('重试'), findsNothing);
    expect(find.byType(IgnorePointer), findsWidgets);
  });
}