/// 诗词答题页面组件
library;

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../../../services/get/theme_controller.dart';
import '../../../models/colors/theme_colors.dart';

/// 单个选项组件
class PoetryOptionItem extends StatelessWidget {
  final dynamic option;
  final bool isSelected;
  final bool isCorrect;
  final bool isWrong;
  final bool isSubmitting;
  final bool showFeedback;
  final bool isAnswerCorrect;
  final Function(int) onTap;

  const PoetryOptionItem({
    super.key,
    required this.option,
    required this.isSelected,
    required this.isCorrect,
    required this.isWrong,
    required this.isSubmitting,
    required this.showFeedback,
    required this.isAnswerCorrect,
    required this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final themeController = Get.find<ThemeController>();

    return Obx(() {
      final isDark = themeController.isDarkModeRx.value;
      final primaryColor = ThemeColors.getThemeColor(
        themeController.themeColorIndexRx.value,
      );

      final optionNum = option['index'] ?? option['num'] ?? 0;

      return AnimatedContainer(
        duration: const Duration(milliseconds: 300),
        child: Container(
          decoration: BoxDecoration(
            gradient: isSelected
                ? LinearGradient(
                    colors: isCorrect
                        ? [Colors.green[400]!, Colors.green[300]!]
                        : isWrong
                        ? [Colors.red[400]!, Colors.red[300]!]
                        : [primaryColor, primaryColor.withAlpha(200)],
                    begin: Alignment.topLeft,
                    end: Alignment.bottomRight,
                  )
                : null,
            color: isSelected
                ? null
                : isDark
                ? const Color(0xFF2A2A2A)
                : Colors.white,
            borderRadius: BorderRadius.circular(12),
            border: Border.all(
              color: isSelected
                  ? Colors.transparent
                  : primaryColor.withAlpha(50),
              width: 2,
            ),
            boxShadow: isSelected
                ? [
                    BoxShadow(
                      color:
                          (isCorrect
                                  ? Colors.green
                                  : isWrong
                                  ? Colors.red
                                  : primaryColor)
                              .withAlpha(80),
                      blurRadius: 12,
                      offset: const Offset(0, 4),
                    ),
                  ]
                : [
                    BoxShadow(
                      color: isDark
                          ? Colors.white.withAlpha(5)
                          : Colors.black.withAlpha(5),
                      blurRadius: 8,
                      offset: const Offset(0, 2),
                    ),
                  ],
          ),
          child: Material(
            color: Colors.transparent,
            child: InkWell(
              onTap: isSubmitting || (showFeedback && isAnswerCorrect)
                  ? null
                  : () {
                      if (showFeedback) {
                        onTap(-1); // -1 表示重置状态
                      } else {
                        onTap(optionNum);
                      }
                    },
              borderRadius: BorderRadius.circular(12),
              child: Padding(
                padding: const EdgeInsets.all(16),
                child: Row(
                  children: [
                    AnimatedContainer(
                      duration: const Duration(milliseconds: 300),
                      width: 32,
                      height: 32,
                      decoration: BoxDecoration(
                        gradient: isSelected
                            ? LinearGradient(
                                colors: [
                                  Colors.white,
                                  Colors.white.withAlpha(230),
                                ],
                                begin: Alignment.topLeft,
                                end: Alignment.bottomRight,
                              )
                            : null,
                        color: isSelected ? null : primaryColor.withAlpha(20),
                        shape: BoxShape.circle,
                        boxShadow: isSelected
                            ? [
                                BoxShadow(
                                  color: Colors.black.withAlpha(20),
                                  blurRadius: 4,
                                  offset: const Offset(0, 2),
                                ),
                              ]
                            : null,
                      ),
                      child: Center(
                        child: Text(
                          '$optionNum',
                          style: TextStyle(
                            color: isSelected
                                ? (isCorrect
                                      ? Colors.green
                                      : isWrong
                                      ? Colors.red
                                      : primaryColor)
                                : primaryColor,
                            fontWeight: FontWeight.bold,
                            fontSize: 16,
                          ),
                        ),
                      ),
                    ),
                    const SizedBox(width: 16),
                    Expanded(
                      child: Text(
                        option['content'] ?? option['text'] ?? '',
                        style: TextStyle(
                          fontSize: 17,
                          fontWeight: FontWeight.w500,
                          color: isSelected
                              ? Colors.white
                              : isDark
                              ? Colors.grey[300]
                              : Colors.black87,
                        ),
                      ),
                    ),
                    if (isSelected)
                      Icon(
                        isCorrect
                            ? Icons.check_circle
                            : isWrong
                            ? Icons.cancel
                            : Icons.radio_button_checked,
                        color: Colors.white,
                        size: 28,
                      ),
                  ],
                ),
              ),
            ),
          ),
        ),
      );
    });
  }
}

/// 选项布局组件
class PoetryOptionsLayout extends StatelessWidget {
  final List<dynamic> options;
  final int? selectedAnswer;
  final bool showFeedback;
  final bool isAnswerCorrect;
  final bool isSubmitting;
  final Function(int) onTap;

  const PoetryOptionsLayout({
    super.key,
    required this.options,
    required this.selectedAnswer,
    required this.showFeedback,
    required this.isAnswerCorrect,
    required this.isSubmitting,
    required this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    if (options.isEmpty) {
      return const SizedBox();
    }

    // 检查是否所有选项都少于等于4个字
    bool allShortOptions = options.every((option) {
      final text = option['content'] ?? '';
      return text.length <= 4;
    });

    if (allShortOptions && options.length >= 4) {
      // 2*2布局
      return Column(
        children: [
          Row(
            children: [
              Expanded(child: _buildOptionItem(options[0])),
              const SizedBox(width: 12),
              Expanded(child: _buildOptionItem(options[1])),
            ],
          ),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(child: _buildOptionItem(options[2])),
              const SizedBox(width: 12),
              Expanded(child: _buildOptionItem(options[3])),
            ],
          ),
        ],
      );
    } else {
      // 1*4布局
      final List<Widget> optionWidgets = [];
      for (int i = 0; i < options.length; i++) {
        optionWidgets.add(_buildOptionItem(options[i]));
        if (i < options.length - 1) {
          optionWidgets.add(const SizedBox(height: 12));
        }
      }
      return Column(children: optionWidgets);
    }
  }

  Widget _buildOptionItem(dynamic option) {
    final optionNum = option['index'] ?? option['num'] ?? 0;
    final isSelected = selectedAnswer == optionNum;
    final isCorrect =
        showFeedback && isAnswerCorrect && selectedAnswer == optionNum;
    final isWrong =
        showFeedback && !isAnswerCorrect && selectedAnswer == optionNum;

    return PoetryOptionItem(
      option: option,
      isSelected: isSelected,
      isCorrect: isCorrect,
      isWrong: isWrong,
      isSubmitting: isSubmitting,
      showFeedback: showFeedback,
      isAnswerCorrect: isAnswerCorrect,
      onTap: onTap,
    );
  }
}

/// 标签组件
class PoetryTag extends StatelessWidget {
  final String label;
  final String value;

  const PoetryTag({super.key, required this.label, required this.value});

  @override
  Widget build(BuildContext context) {
    if (value.isEmpty) return const SizedBox();

    final themeController = Get.find<ThemeController>();

    return Obx(() {
      final isDark = themeController.isDarkModeRx.value;
      final primaryColor = ThemeColors.getThemeColor(
        themeController.themeColorIndexRx.value,
      );

      return Container(
        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
        decoration: BoxDecoration(
          color: primaryColor.withAlpha(20),
          borderRadius: BorderRadius.circular(4),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            Text(
              label,
              style: TextStyle(
                fontSize: 10,
                color: primaryColor,
                fontWeight: FontWeight.w600,
              ),
            ),
            Text(
              value,
              style: TextStyle(
                fontSize: 12,
                color: isDark ? Colors.grey[300] : Colors.black87,
                fontWeight: FontWeight.w500,
              ),
            ),
          ],
        ),
      );
    });
  }
}