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

class FeedbackView extends GetView<FeedbackController> {
  const FeedbackView({Key? key}) : super(key: key);

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

    return Scaffold(
      backgroundColor: isDarkMode ? Colors.black : Colors.grey[100],
      appBar: AppBar(
        elevation: 0,
        backgroundColor: isDarkMode ? Colors.black : Colors.white,
        leading: IconButton(
          icon: Icon(
            Icons.arrow_back_ios,
            size: 20.sp,
            color: isDarkMode ? Colors.white : Colors.black,
          ),
          onPressed: () => Get.back(),
        ),
        title: Text(
          'feedback'.tr, // 帮助与反馈
          style: TextStyle(
            fontSize: 17.sp,
            fontWeight: FontWeight.w600,
            color: isDarkMode ? Colors.white : Colors.black,
          ),
        ),
        centerTitle: true,
      ),
      body: GestureDetector(
        onTap: () => FocusScope.of(context).unfocus(),
        child: Form(
          key: controller.formKey,
          child: ListView(
            padding: EdgeInsets.all(16.w),
            children: [
              // 顶部提示文字
              Text(
                'feedbackDescription'.tr, // 请描述您遇到的问题或建议
                style: TextStyle(
                  fontSize: 14.sp,
                  color: isDarkMode ? Colors.white70 : Colors.black54,
                ),
              ),
              SizedBox(height: 16.h),

              // 反馈内容输入框 - 统一容器样式
              Container(
                decoration: BoxDecoration(
                  // 保持适合各自模式的背景色
                  color: isDarkMode ? Colors.grey[800] : Colors.white,
                  // 统一圆角
                  borderRadius: BorderRadius.circular(16.r),
                  // 统一阴影效果 - 关键改进点
                  boxShadow: [
                    BoxShadow(
                      color: isDarkMode
                          ? Colors.black.withOpacity(0.3)
                          : Colors.black.withOpacity(0.08),
                      blurRadius: 12,
                      offset: const Offset(0, 4),
                      spreadRadius: 0,
                    ),
                  ],
                  // 统一边框样式 - 关键改进点
                  border: Border.all(
                    color: isDarkMode ? Colors.grey[700]! : Colors.grey[200]!,
                    width: 1.5,
                  ),
                ),
                child: Padding(
                  padding:
                      EdgeInsets.symmetric(horizontal: 16.w, vertical: 12.h),
                  child: TextFormField(
                    controller: controller.feedbackController,
                    maxLines: 8,
                    maxLength: 500,
                    style: TextStyle(
                      color: isDarkMode ? Colors.white : Colors.black87,
                      fontSize: 14.sp,
                      height: 1.4,
                    ),
                    decoration: InputDecoration(
                      hintText: 'feedbackHint'.tr, // 请输入您的反馈内容...
                      hintStyle: TextStyle(
                        color: isDarkMode ? Colors.grey[400] : Colors.grey[500],
                        fontSize: 14.sp,
                      ),
                      border: InputBorder.none,
                      focusedBorder: InputBorder.none,
                      counterStyle: TextStyle(
                        color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
                        fontSize: 12.sp,
                      ),
                      contentPadding: EdgeInsets.zero,
                      fillColor: Colors.transparent,
                      filled: true,
                    ),
                    validator: (value) {
                      if (value == null || value.trim().isEmpty) {
                        return 'feedbackRequired'.tr; // 请输入反馈内容
                      }
                      return null;
                    },
                  ),
                ),
              ),
              SizedBox(height: 40.h),

              // 提交按钮 - 统一容器样式
              Obx(() => Container(
                    // 统一按钮容器装饰
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(16.r),
                      // 统一阴影效果
                      boxShadow: controller.isSubmitting.value
                          ? []
                          : [
                              BoxShadow(
                                color: Colors.blue.withOpacity(0.3),
                                blurRadius: 8,
                                offset: const Offset(0, 4),
                                spreadRadius: 0,
                              ),
                            ],
                    ),
                    child: ElevatedButton(
                      onPressed: controller.isSubmitting.value
                          ? null
                          : controller.submitFeedback,
                      style: ElevatedButton.styleFrom(
                        backgroundColor: controller.isSubmitting.value
                            ? Colors.grey[400]
                            : Colors.blue[600],
                        padding: EdgeInsets.symmetric(vertical: 14.h),
                        shape: RoundedRectangleBorder(
                          borderRadius: BorderRadius.circular(16.r),
                        ),
                        elevation: 0,
                        shadowColor: Colors.transparent,
                      ),
                      child: controller.isSubmitting.value
                          ? SizedBox(
                              height: 20.h,
                              width: 20.h,
                              child: CircularProgressIndicator(
                                strokeWidth: 2.w,
                                valueColor: const AlwaysStoppedAnimation<Color>(
                                    Colors.white),
                              ),
                            )
                          : Text(
                              'submit'.tr, // 提交
                              style: TextStyle(
                                fontSize: 16.sp,
                                fontWeight: FontWeight.w600,
                                color: Colors.white,
                              ),
                            ),
                    ),
                  )),
            ],
          ),
        ),
      ),
    );
  }
}