import 'package:flutter/material.dart';
import 'package:skywood/main/lib_file.dart';
import 'package:skywood/utils/models/drama/skywood_category.dart';

class HomeCateWidget extends StatelessWidget {

  const HomeCateWidget({super.key,
    required this.categories,
  });
  
  final List<SkywoodCategory> categories;

  @override
  Widget build(BuildContext context) {
    return SliverGrid.builder(
        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
          crossAxisCount: 2,              // 🔥 上下2行
          crossAxisSpacing: 10,           // 行间距（垂直方向）
          mainAxisSpacing: 10,            // 列间距（水平方向）
          childAspectRatio: 0.7,          // 宽高比（宽度/高度）
        ), itemBuilder: (context, index) {
          return _buildCateItem(categories[index], index);
    }
    );
  }
  
  Widget _buildCateItem(SkywoodCategory category, int index) {
    String imgName = index%3 == 0 ? ConstImg.purpleBg : (index%3 == 1 ? ConstImg.yellowBg : ConstImg.redBg);
    return Stack(
      children: [
        HelpImg.asset(imgName, width: 140.w, height: 131.h, fit: BoxFit.cover),
      ],
    );
  }
}