import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:hgdj/assets_tool/app_colors.dart';
import 'package:hgdj/assets_tool/images.dart';
import 'package:hgdj/hj_utils/screen.dart';
import 'package:loading_animation_widget/loading_animation_widget.dart';

int logicMultiCount = 0;

class LoadingWidget extends StatelessWidget {
  final double? width;
  final double? height;
  final double size;

  const LoadingWidget(
      {super.key, this.width = 40, this.height = 20, this.size = 40});

  @override
  Widget build(BuildContext context) {
    return LoadingAnimationWidget.horizontalRotatingDots(
        color: Colors.white, size: size);
  }
}

class LoadingCenterWidget extends StatelessWidget {
  final double? width;
  final double? height;
  static int showCount = 0;
  const LoadingCenterWidget({super.key, this.width = 40, this.height = 20});

  static show() async {
    showCount++;
    await Get.dialog(const LoadingCenterWidget());
    showCount--;
  }

  static cancel() {
    if (showCount > 0) {
      Get.back();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: LoadingWidget(
        width: width,
        height: height,
      ),
    );
  }
}

class CErrorWidget extends StatefulWidget {
  final String? errorMsg;
  final String? errorMsg2;
  final VoidCallback? retryOnTap;
  const CErrorWidget(
      {super.key, this.errorMsg = "什么也没有...", this.errorMsg2, this.retryOnTap});

  @override
  State<CErrorWidget> createState() => _CErrorWidgetState();
}

class _CErrorWidgetState extends State<CErrorWidget> {
  bool _isRetrying = false;

  Future<void> _handleRetry() async {
    if (_isRetrying || widget.retryOnTap == null) return;
    setState(() => _isRetrying = true);
    try {
      final result = (widget.retryOnTap as dynamic Function())();
      if (result is Future) {
        await result;
      }
    } finally {
      if (mounted) setState(() => _isRetrying = false);
    }
  }

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(builder: (_, cons) {
      if (cons.maxHeight < 146) return SizedBox.shrink();
      if (_isRetrying) {
        return const Center(child: LoadingWidget());
      }
      return Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Image.asset('ic_nodata.webp'.commonImgPath, height: 120),
            4.sizeBoxH,
            Text(
              widget.errorMsg ?? '',
              style: TextStyle(
                  color: Colors.white.withValues(alpha: 0.6), fontSize: 12),
            ),
            if (widget.retryOnTap != null) ...[
              4.sizeBoxH,
              InkWell(
                enableFeedback: false,
                onTap: _handleRetry,
                child: Container(
                  padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
                  child: Text(
                    "点击重试",
                    style: TextStyle(
                      color: AppColors.actionRed,
                      fontSize: 12,
                    ),
                  ),
                ),
              ),
            ]
          ],
        ),
      );
    });
  }
}