huangguo_android/lib/tools_base/banner/ads_item.dart

//广告item
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:hgdj/assets_tool/images.dart';
import 'package:hgdj/hj_utils/api_service/common_service.dart';
import 'package:hgdj/hj_utils/screen.dart';

import '../../hj_model/splash/ads_model.dart';
import '../../routers/jump_router.dart';
import '../widget/net_image_widget.dart';

enum AdShowType {
  img, // 纯图片
  hor, // 水平：左图标题 + 右下载按钮
  vImgText, // 图文：上图下文
  splash, // 启动全屏图
}

//所有广告判断
class AdsItem extends StatefulWidget {
  final AdsInfoModel adInfo;
  final double? aspectRatio;
  final AdShowType? showType;
  final double borderRadius;
  final int clickType; //0:应用 1:广告
  final Widget? child; //自定义子视图(IM 广告用)
  final VoidCallback? onTap; //点击附加回调(IM 广告已读上报用)

  const AdsItem({
    super.key,
    required this.adInfo,
    this.aspectRatio,
    this.showType,
    this.borderRadius = 12,
    this.clickType = 1,
    this.child,
    this.onTap,
  });

  @override
  State<AdsItem> createState() => _AdsItemState();
}

class _AdsItemState extends State<AdsItem> {
  AdsInfoModel get adInfo => widget.adInfo;

  void _onTap() {
    pushToPageByLink(adInfo.href);
    CommonService.adsClick(widget.clickType);
    widget.onTap?.call();
  }

  @override
  Widget build(BuildContext context) {
    return InkWell(
      enableFeedback: false,
      onTap: _onTap,
      child: widget.child ??
          switch (widget.showType) {
            AdShowType.img => _buildImageStyle(),
            AdShowType.hor => _buildHorStyle(),
            AdShowType.vImgText => _buildImageTextStyle(),
            AdShowType.splash => _buildSplash(),
            _ => _buildNormalStyle(),
          },
    );
  }

  // 启动全屏图：封面铺满 + 兜底背景图
  Widget _buildSplash() {
    return NetworkImageLoader(
      imageUrl: adInfo.cover ?? '',
      width: Get.width,
      height: Get.height,
      fit: BoxFit.cover,
      placeHolderWidget: Image.asset(
        'ic_splash_bg.webp'.launchPath,
        fit: BoxFit.cover,
        width: Get.width,
        height: Get.height,
      ),
    );
  }

  // 默认样式：上图下标题（九宫格项）
  Widget _buildNormalStyle() {
    return Column(
      children: [
        AspectRatio(
          aspectRatio: widget.aspectRatio ?? 1,
          child: NetworkImageLoader(
              imageUrl: adInfo.cover ?? '', borderRadius: 12),
        ),
        const Spacer(),
        Text(
          adInfo.title?.trim() ?? '',
          maxLines: 1,
          style: const TextStyle(color: Color(0xffFAFAFA), fontSize: 11),
        ),
        const Spacer(),
      ],
    );
  }

  // 图文样式：上图下文
  Widget _buildImageTextStyle() {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        AspectRatio(
          aspectRatio: 72 / 20,
          child: NetworkImageLoader(
            borderRadius: 4,
            imageUrl: adInfo.cover ?? '',
            width: double.infinity,
            height: double.infinity,
            fit: BoxFit.fill,
          ),
        ),
        10.sizeBoxH,
        Text(
          adInfo.title ?? '',
          style: const TextStyle(
            color: Color(0xffdddfdf),
            fontWeight: FontWeight.w300,
            fontSize: 12.0,
          ),
        ),
      ],
    );
  }

  // 纯图样式：可选宽高比
  Widget _buildImageStyle() {
    final image = NetworkImageLoader(
      imageUrl: adInfo.cover ?? '',
      borderRadius: widget.borderRadius,
      fit: BoxFit.fill,
    );
    if (widget.aspectRatio == null) return image;
    return AspectRatio(aspectRatio: widget.aspectRatio!, child: image);
  }

  // 水平样式：左图+标题，右「立即下载」按钮
  Widget _buildHorStyle() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.spaceBetween,
      children: [
        Row(
          children: [
            ClipRRect(
              borderRadius: BorderRadius.circular(4),
              child: NetworkImageLoader(
                imageUrl: adInfo.cover ?? '',
                borderRadius: 10,
                width: 50,
                height: 50,
              ),
            ),
            10.sizeBoxW,
            Text(
              adInfo.title ?? '',
              style: const TextStyle(
                color: Colors.white,
                fontWeight: FontWeight.w300,
                fontSize: 12.0,
              ),
            ),
          ],
        ),
        Container(
          width: 72,
          height: 28,
          decoration: BoxDecoration(
            color: const Color(0xff3476FF),
            borderRadius: BorderRadius.circular(14),
          ),
          child: const Center(
            child: Text(
              '立即下载',
              style: TextStyle(color: Colors.white, fontSize: 12),
            ),
          ),
        ),
      ],
    );
  }
}