import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

import '../../controllers/translation_controller.dart';
import '../../models/translation_models.dart';
import '../dialogs/translation_long_press_menu.dart';

class TranslationItemWidget extends GetView<TranslationController> {
  // 传入的翻译条目
  final TranslationItem item;

  // 传入用于控制操作按钮显隐的时间戳状态
  final Rx<DateTime?> activeActionTimestamp;

  // 点击气泡时切换操作按钮显隐
  final void Function(TranslationItem item) onToggleActionItem;

  // 长按时弹出菜单（需要上下文、暗色模式、手势详情、条目）
  final void Function(
    BuildContext context,
    bool isDarkMode,
    LongPressStartDetails details,
    TranslationItem item,
  ) onLongPressStart;

  // 删除按钮点击时的确认对话框
  final void Function(TranslationItem item) onDeleteItemConfirm;

  const TranslationItemWidget({
    Key? key,
    required this.item,
    required this.activeActionTimestamp,
    required this.onToggleActionItem,
    required this.onLongPressStart,
    required this.onDeleteItemConfirm,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final isDarkMode = Theme.of(context).brightness == Brightness.dark;

    // 定义自适应颜色（与原实现保持一致）
    final selfColor =
        isDarkMode ? Colors.blue[800]!.withOpacity(0.15) : Colors.blue[50]!;
    final otherColor =
        isDarkMode ? Colors.green[800]!.withOpacity(0.15) : Colors.green[50]!;

    // 判断是否是己方的翻译项（依据控制器当前源语言）
    final bool isSelf =
        item.sourceLanguageCode == controller.sourceLanguageCode.value;
    // 新增：通话模式标记，用于控制右侧显示与隐藏中间态
    final bool isCallMode = controller.currentMode.value == 'call';

    return GestureDetector(
      onTap: () => onToggleActionItem(item), // 触碰气泡时切换按钮显隐
      onLongPressStart: (details) =>
          onLongPressStart(context, isDarkMode, details, item),
      child: Align(
        alignment: isCallMode
            ? (isSelf ? Alignment.centerLeft : Alignment.centerRight)
            : item.isIntermediate
                ? Alignment.center
                : (isSelf ? Alignment.centerLeft : Alignment.centerRight),
        child: Container(
          margin: EdgeInsets.only(bottom: 8.h),
          padding: EdgeInsets.all(12.w),
          constraints: BoxConstraints(maxWidth: 0.8.sw, minWidth: 0.35.sw),
          decoration: BoxDecoration(
            color: item.isIntermediate
                ? Colors.grey.withOpacity(isDarkMode ? 0.15 : 0.1) // 中间结果
                : (isSelf ? selfColor : otherColor), // 自己 / 对方
            borderRadius: BorderRadius.circular(12.r),
            border: Border.all(
              color: item.isIntermediate
                  ? Colors.grey.withOpacity(isDarkMode ? 0.3 : 0.2)
                  : Colors.transparent,
              width: 1,
            ),
          ),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 源文本
              Text(
                item.sourceText,
                style: TextStyle(
                  fontSize: 16.sp,
                  color: Theme.of(context).textTheme.bodyLarge?.color,
                ),
              ),
              SizedBox(height: 8.h),
              // 分隔线 + 译文
              Container(
                padding: EdgeInsets.only(top: 8.h),
                decoration: BoxDecoration(
                  border: Border(
                    top: BorderSide(
                      color: item.isIntermediate
                          ? (isDarkMode
                              ? Colors.grey[400]!.withOpacity(0.15)
                              : Colors.grey[400]!.withOpacity(0.25))
                          : (isSelf
                              ? (isDarkMode
                                  ? Colors.blue[300]!.withOpacity(0.15)
                                  : Colors.blue[300]!.withOpacity(0.25))
                              : (isDarkMode
                                  ? Colors.green[300]!.withOpacity(0.15)
                                  : Colors.green[300]!.withOpacity(0.25))),
                      width: 1,
                    ),
                  ),
                ),
                child: Text(
                  item.translatedText,
                  style: TextStyle(
                    fontSize: 16.sp,
                    color: Theme.of(context).textTheme.bodyMedium?.color,
                    fontWeight: FontWeight.w500,
                  ),
                ),
              ),
              // 操作按钮：复制 / 播放 / 删除（仅非中间态且显隐状态为激活时显示）
              Obx(() {
                final bool isActive = activeActionTimestamp.value
                        ?.isAtSameMomentAs(item.timestamp) ??
                    false;
                if (!item.isIntermediate && isActive) {
                  return Column(
                    children: [
                      SizedBox(height: 8.h),
                      Row(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          // 复制按钮（复用长按菜单的复制逻辑）
                          GestureDetector(
                            onTap: () =>
                                TranslationLongPressMenu.copyTranslationItem(
                                    item),
                            child: Container(
                              padding: EdgeInsets.all(4.w),
                              child: Tooltip(
                                message: 'copy'.tr, // 复制
                                child: Icon(
                                  Icons.copy,
                                  size: 20.sp,
                                  color: Theme.of(context).colorScheme.primary,
                                ),
                              ),
                            ),
                          ),
                          SizedBox(width: 8.w),
                          // 播放按钮（调用控制器原有方法）
                          GestureDetector(
                            onTap: () => controller.playTranslationItem(item),
                            child: Container(
                              padding: EdgeInsets.all(4.w),
                              child: Icon(
                                Icons.volume_up,
                                size: 20.sp,
                                color: Theme.of(context).colorScheme.primary,
                              ),
                            ),
                          ),
                          SizedBox(width: 8.w),
                          // 删除按钮（弹出确认）
                          GestureDetector(
                            onTap: () => onDeleteItemConfirm(item),
                            child: Container(
                              padding: EdgeInsets.all(4.w),
                              child: Tooltip(
                                message: 'delete'.tr, // 删除
                                child: Icon(
                                  Icons.delete_outline,
                                  size: 20.sp,
                                  color: Colors.grey[500],
                                ),
                              ),
                            ),
                          ),
                        ],
                      )
                    ],
                  );
                } else {
                  return const SizedBox.shrink();
                }
              }),
            ],
          ),
        ),
      ),
    );
  }
}