jinzhi/lib/features/ads/presentation/splash_ad_dialog.dart

import 'dart:async';
import 'package:flutter/material.dart';

import '../application/splash_ad_controller.dart';
import 'ad_media.dart';

enum SplashAdResult { clicked, skipped, completed }

class SplashAdDialog extends StatefulWidget {
  const SplashAdDialog({
    super.key,
    required this.entry,
    required this.onClick,
    required this.onShown,
  });
  final SplashAdEntry entry;
  final Future<void> Function() onClick;
  final VoidCallback onShown;
  @override
  State<SplashAdDialog> createState() => _SplashAdDialogState();
}

class _SplashAdDialogState extends State<SplashAdDialog> {
  Timer? timer;
  late int remain;
  bool opening = false;
  @override
  void initState() {
    super.initState();
    remain = widget.entry.ad.countdownSeconds.clamp(1, 5);
    WidgetsBinding.instance.addPostFrameCallback((_) {
      widget.onShown();
    });
    timer = Timer.periodic(const Duration(seconds: 1), (_) {
      if (remain <= 1) {
        Navigator.of(context).pop(SplashAdResult.completed);
      } else if (mounted) {
        setState(() => remain--);
      }
    });
  }

  @override
  void dispose() {
    timer?.cancel();
    super.dispose();
  }

  Future<void> open() async {
    if (opening) return;
    opening = true;
    timer?.cancel();
    await widget.onClick();
    if (mounted) Navigator.of(context).pop(SplashAdResult.clicked);
  }

  @override
  Widget build(BuildContext context) => Material(
    color: Colors.black,
    child: Stack(
      children: [
        Positioned.fill(
          child: GestureDetector(
            onTap: open,
            child: AdMedia(
              ad: widget.entry.ad,
              assetPath: widget.entry.assetPath,
            ),
          ),
        ),
        Positioned(
          top: MediaQuery.paddingOf(context).top + 16,
          right: 18,
          child: GestureDetector(
            key: const ValueKey('splash-skip'),
            onTap: () => Navigator.of(context).pop(SplashAdResult.skipped),
            child: DecoratedBox(
              decoration: BoxDecoration(
                color: Colors.black.withValues(alpha: 0.62),
                borderRadius: BorderRadius.circular(18),
              ),
              child: Padding(
                padding: const EdgeInsets.symmetric(
                  horizontal: 14,
                  vertical: 7,
                ),
                child: Text(
                  '跳过  ${remain > 0 ? remain : 0}s',
                  style: const TextStyle(
                    color: Colors.white,
                    fontSize: 13,
                    fontWeight: FontWeight.w500,
                  ),
                ),
              ),
            ),
          ),
        ),
      ],
    ),
  );
}