submanager/lib/widgets/add_subscription/add_subscription_event_section.dart

import 'package:flutter/material.dart';
import '../../controllers/add_subscription_controller.dart';
import '../common/form_fields/currency_input_field.dart';
import '../common/form_fields/date_picker_field.dart';
import '../../theme/app_colors.dart';

/// 구독 추가 화면의 이벤트/할인 섹션
class AddSubscriptionEventSection extends StatelessWidget {
  final AddSubscriptionController controller;
  final Animation<double> fadeAnimation;
  final Animation<Offset> slideAnimation;
  final Function setState;

  const AddSubscriptionEventSection({
    super.key,
    required this.controller,
    required this.fadeAnimation,
    required this.slideAnimation,
    required this.setState,
  });

  @override
  Widget build(BuildContext context) {
    return FadeTransition(
      opacity: Tween<double>(begin: 0.0, end: 1.0).animate(
        CurvedAnimation(
          parent: controller.animationController!,
          curve: const Interval(0.4, 1.0, curve: Curves.easeIn),
        ),
      ),
      child: SlideTransition(
        position: Tween<Offset>(
          begin: const Offset(0.0, 0.5),
          end: Offset.zero,
        ).animate(CurvedAnimation(
          parent: controller.animationController!,
          curve: const Interval(0.4, 1.0, curve: Curves.easeOutCubic),
        )),
        child: Container(
          margin: const EdgeInsets.only(bottom: 20),
          padding: const EdgeInsets.all(24),
          decoration: BoxDecoration(
            color: AppColors.glassCard,
            borderRadius: BorderRadius.circular(20),
            border: Border.all(
              color: AppColors.glassBorder.withValues(alpha: 0.1),
              width: 1,
            ),
            boxShadow: [
              BoxShadow(
                color: AppColors.shadowBlack,
                blurRadius: 10,
                offset: const Offset(0, 4),
              ),
            ],
          ),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Row(
                    children: [
                      Container(
                        padding: const EdgeInsets.all(8),
                        decoration: BoxDecoration(
                          color: controller.gradientColors[0].withValues(alpha: 0.1),
                          borderRadius: BorderRadius.circular(12),
                        ),
                        child: Icon(
                          Icons.local_offer_rounded,
                          color: controller.gradientColors[0],
                          size: 24,
                        ),
                      ),
                      const SizedBox(width: 12),
                      const Text(
                        '이벤트 가격',
                        style: TextStyle(
                          fontSize: 18,
                          fontWeight: FontWeight.w700,
                          color: AppColors.darkNavy,
                        ),
                      ),
                    ],
                  ),
                  Switch.adaptive(
                    value: controller.isEventActive,
                    onChanged: (value) {
                      setState(() {
                        controller.isEventActive = value;
                        if (!controller.isEventActive) {
                          // 이벤트 비활성화 시 관련 데이터 초기화
                          controller.eventStartDate = null;
                          controller.eventEndDate = null;
                          controller.eventPriceController.clear();
                        }
                      });
                    },
                    activeColor: controller.gradientColors[0],
                  ),
                ],
              ),
              
              // 이벤트 활성화 시 추가 필드 표시
              AnimatedContainer(
                duration: const Duration(milliseconds: 300),
                height: controller.isEventActive ? null : 0,
                child: AnimatedOpacity(
                  duration: const Duration(milliseconds: 300),
                  opacity: controller.isEventActive ? 1.0 : 0.0,
                  child: Column(
                    children: [
                      const SizedBox(height: 20),
                      // 이벤트 설명
                      Container(
                        padding: const EdgeInsets.all(12),
                        decoration: BoxDecoration(
                          color: AppColors.infoColor.withValues(alpha: 0.08),
                          borderRadius: BorderRadius.circular(12),
                          border: Border.all(
                            color: AppColors.infoColor.withValues(alpha: 0.3),
                            width: 1,
                          ),
                        ),
                        child: Row(
                          children: [
                            Icon(
                              Icons.info_outline_rounded,
                              color: AppColors.infoColor,
                              size: 20,
                            ),
                            const SizedBox(width: 8),
                            Expanded(
                              child: Text(
                                '할인 또는 프로모션 가격을 설정하세요',
                                style: TextStyle(
                                  fontSize: 14,
                                  color: AppColors.darkNavy,
                                  fontWeight: FontWeight.w500,
                                ),
                              ),
                            ),
                          ],
                        ),
                      ),
                      const SizedBox(height: 20),
                      
                      // 이벤트 기간
                      DateRangePickerField(
                        startDate: controller.eventStartDate,
                        endDate: controller.eventEndDate,
                        onStartDateSelected: (date) {
                          setState(() {
                            controller.eventStartDate = date;
                            // 시작일 설정 시 종료일이 없으면 자동으로 1달 후로 설정
                            if (date != null && controller.eventEndDate == null) {
                              controller.eventEndDate = date.add(const Duration(days: 30));
                            }
                          });
                        },
                        onEndDateSelected: (date) {
                          setState(() {
                            controller.eventEndDate = date;
                          });
                        },
                        startLabel: '시작일',
                        endLabel: '종료일',
                        primaryColor: controller.gradientColors[0],
                      ),
                      const SizedBox(height: 20),
                      
                      // 이벤트 가격
                      CurrencyInputField(
                        controller: controller.eventPriceController,
                        currency: controller.currency,
                        label: '이벤트 가격',
                        hintText: '할인된 가격을 입력하세요',
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}