import 'package:flutter/material.dart';
import 'package:skywood/main/lib_file.dart';

class PixelPageBackground extends StatelessWidget {
  const PixelPageBackground({super.key, required this.child});

  final Widget child;

  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        const Positioned.fill(child: ColoredBox(color: Colors.white)),
        const Positioned.fill(child: CustomPaint(painter: _GridPainter())),
        Positioned(
          left: -18.w,
          top: 178.h,
          child: Container(
            width: 52.w,
            height: 132.h,
            color: const Color(0xFF08F214),
          ),
        ),
        Positioned(
          right: -20.w,
          top: 282.h,
          child: Container(
            width: 58.w,
            height: 286.h,
            color: const Color(0xFF08F214),
          ),
        ),
        child,
      ],
    );
  }
}

class PixelPanel extends StatelessWidget {
  const PixelPanel({
    super.key,
    required this.child,
    this.padding,
    this.color = Colors.white,
    this.borderColor = const Color(0xFF1C1E1F),
    this.shadowColor = const Color(0xFF653CFA),
  });

  final Widget child;
  final EdgeInsets? padding;
  final Color color;
  final Color borderColor;
  final Color shadowColor;

  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(
        color: color,
        border: Border.all(color: borderColor, width: 1.5.w),
        boxShadow: [
          BoxShadow(color: shadowColor, offset: Offset(4.w, 4.h)),
          BoxShadow(color: shadowColor, offset: Offset(-4.w, 4.h)),
        ],
      ),
      padding: padding ?? EdgeInsets.all(10.w),
      child: child,
    );
  }
}

class PixelSectionLabel extends StatelessWidget {
  const PixelSectionLabel({
    super.key,
    required this.label,
    this.width,
    this.trailing,
  });

  final String label;
  final double? width;
  final Widget? trailing;

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 20.h,
      width: width?.w,
      padding: EdgeInsets.symmetric(horizontal: 8.w),
      decoration: BoxDecoration(
        color: const Color(0xFF7B54F6),
        border: Border.all(color: const Color(0xFF1C1E1F), width: 1.w),
      ),
      child: Row(
        children: [
          Container(width: 7.w, height: 7.w, color: const Color(0xFF34F04F)),
          SizedBox(width: 5.w),
          Expanded(
            child: Text(
              label,
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(
                color: Colors.white,
                fontSize: 12.sp,
                fontWeight: FontWeight.w700,
                height: 1,
              ),
            ),
          ),
          trailing ?? const SizedBox.shrink(),
        ],
      ),
    );
  }
}

class PixelButton extends StatelessWidget {
  const PixelButton({
    super.key,
    required this.label,
    this.onTap,
    this.width = 116,
    this.height = 28,
    this.color = const Color(0xFF8D62F7),
  });

  final String label;
  final VoidCallback? onTap;
  final double width;
  final double height;
  final Color color;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: onTap,
      child: Container(
        width: width.w,
        height: height.h,
        alignment: Alignment.center,
        decoration: BoxDecoration(
          color: color,
          border: Border.all(color: const Color(0xFF1C1E1F), width: 1.w),
        ),
        child: Text(
          label,
          style: TextStyle(
            color: Colors.white,
            fontSize: 12.sp,
            fontWeight: FontWeight.w800,
            height: 1,
            shadows: const [
              Shadow(color: Color(0xFF1C1E1F), offset: Offset(1, 1)),
            ],
          ),
        ),
      ),
    );
  }
}

class PosterImage extends StatelessWidget {
  const PosterImage({
    super.key,
    this.width,
    this.height,
    this.borderRadius = 3,
    this.showBorder = true,
  });

  final double? width;
  final double? height;
  final double borderRadius;
  final bool showBorder;

  @override
  Widget build(BuildContext context) {
    return Container(
      width: width?.w,
      height: height?.h,
      decoration: BoxDecoration(
        border: showBorder
            ? Border.all(color: const Color(0xFF1C1E1F), width: 0.8.w)
            : null,
        borderRadius: BorderRadius.circular(borderRadius.r),
      ),
      clipBehavior: Clip.antiAlias,
      child: HelpImg.asset(ConstImg.homeCardBg, fit: BoxFit.cover),
    );
  }
}

class _GridPainter extends CustomPainter {
  const _GridPainter();

  @override
  void paint(Canvas canvas, Size size) {
    final gridPaint = Paint()
      ..color = const Color(0xFFE0D8FF)
      ..strokeWidth = 0.8;
    const step = 10.0;
    for (double x = 0; x <= size.width; x += step) {
      canvas.drawLine(Offset(x, 0), Offset(x, size.height), gridPaint);
    }
    for (double y = 0; y <= size.height; y += step) {
      canvas.drawLine(Offset(0, y), Offset(size.width, y), gridPaint);
    }

    final blockPaint = Paint()..color = const Color(0xFFE0D8FF);
    canvas.drawRect(Rect.fromLTWH(80, 0, 34, 96), blockPaint);
    canvas.drawRect(Rect.fromLTWH(228, 0, 34, 32), blockPaint);
    canvas.drawRect(Rect.fromLTWH(278, 112, 34, 34), blockPaint);
  }

  @override
  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
}