flutterApp/packages/cc_ui_kit/lib/src/cc_primary_button.dart

import 'package:flutter/material.dart';

class CCPrimaryButton extends StatelessWidget {
  final String text;
  final VoidCallback? onPressed;
  final double? width;
  final double height;
  final double fontSize;
  final Color backgroundColor; // 新增：背景颜色
  final Color textColor; // 新增：字体颜色

  const CCPrimaryButton({
    super.key,
    required this.text,
    this.onPressed,
    this.width = double.infinity,
    this.height = 54.0,
    this.fontSize = 16.0,
    this.backgroundColor = Colors.black, // 默认黑色背景
    this.textColor = Colors.white, // 默认白色文字
  });

  @override
  Widget build(BuildContext context) {
    // 💡 核心改动：如果父组件是 Row 且没有指定 width，
    // 直接用 double.infinity 会崩溃。
    // 使用这种方式可以更加安全。
    return SizedBox(
      width: width,
      height: height,
      child: ElevatedButton(
        onPressed: onPressed,
        style: ElevatedButton.styleFrom(
          backgroundColor: backgroundColor, // 使用参数
          foregroundColor: textColor, // 使用参数
          disabledBackgroundColor: Colors.grey.shade300,
          disabledForegroundColor: Colors.white,
          elevation: 0,
          padding: const EdgeInsets.symmetric(horizontal: 16),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(12),
          ),
          textStyle: TextStyle(
            fontSize: fontSize,
            fontWeight: FontWeight.w600,
            letterSpacing: 1.2,
          ),
        ),
        child: Text(text),
      ),
    );
  }
}