//
//  JXMemberService.h
//  AICity
//
//  Feature: 003-ios-api-https
//  Task: T051 - iOS会员状态检查
//  Created on 2025-10-14.
//

#import <Foundation/Foundation.h>

@class JXMemberStatus, JXAccessCheckResult;

NS_ASSUME_NONNULL_BEGIN

/**
 * 会员状态数据模型
 */
@interface JXMemberStatus : NSObject

@property (nonatomic, assign) NSInteger userId;
@property (nonatomic, strong) NSString *localMemberType;      // free/basic/premium/vip
@property (nonatomic, strong) NSString *juXingMemberType;     // 0/1/2/3
@property (nonatomic, assign) NSInteger accessLevel;         // 0-3
@property (nonatomic, assign) NSTimeInterval expireAt;       // 过期时间戳
@property (nonatomic, strong) NSString *syncStatus;          // pending/synced/failed
@property (nonatomic, assign) NSTimeInterval lastSyncAt;     // 最后同步时间
@property (nonatomic, assign) NSInteger retryCount;          // 重试次数
@property (nonatomic, assign) NSTimeInterval createdAt;      // 创建时间
@property (nonatomic, assign) NSTimeInterval updatedAt;      // 更新时间

/**
 * 检查是否过期
 */
- (BOOL)isExpired;

/**
 * 检查是否为VIP
 */
- (BOOL)isVip;

/**
 * 获取剩余天数
 */
- (NSInteger)getRemainingDays;

/**
 * 获取会员类型显示名称
 */
- (NSString *)getDisplayName;

@end

/**
 * 权限检查结果
 */
@interface JXAccessCheckResult : NSObject

@property (nonatomic, assign) BOOL hasAccess;
@property (nonatomic, strong) JXMemberStatus *memberStatus;
@property (nonatomic, strong) NSString *contentType;
@property (nonatomic, assign) NSInteger requiredLevel;
@property (nonatomic, strong, nullable) NSString *contentId;
@property (nonatomic, assign) NSTimeInterval checkTime;
@property (nonatomic, strong) NSString *reason;

@end

/**
 * 剧星会员服务
 * 
 * 功能：
 * - 会员状态检查和缓存
 * - 权限验证
 * - 状态实时更新
 */
@interface JXMemberService : NSObject

/**
 * 单例实例
 */
+ (instancetype)sharedService;

/**
 * 当前会员状态（可能为nil）
 */
@property (nonatomic, strong, readonly, nullable) JXMemberStatus *currentMemberStatus;

/**
 * 获取当前用户会员状态
 * @param forceRefresh 是否强制刷新
 * @param completion 完成回调
 */
- (void)getCurrentMemberStatusWithForceRefresh:(BOOL)forceRefresh
                                    completion:(void(^)(JXMemberStatus * _Nullable memberStatus, NSError * _Nullable error))completion;

/**
 * 检查内容访问权限
 * @param contentType 内容类型
 * @param requiredLevel 所需权限级别
 * @param contentId 内容ID（可选）
 * @param completion 完成回调
 */
- (void)checkContentAccessWithContentType:(NSString *)contentType
                             requiredLevel:(NSInteger)requiredLevel
                                 contentId:(nullable NSString *)contentId
                                completion:(void(^)(JXAccessCheckResult * _Nullable result, NSError * _Nullable error))completion;

/**
 * 检查剧集访问权限
 * @param episodeId 剧集ID
 * @param requiredLevel 所需权限级别
 * @param completion 完成回调
 */
- (void)checkEpisodeAccessWithEpisodeId:(NSString *)episodeId
                          requiredLevel:(NSInteger)requiredLevel
                             completion:(void(^)(JXAccessCheckResult * _Nullable result, NSError * _Nullable error))completion;

/**
 * 检查剧访问权限
 * @param dramaId 剧ID
 * @param requiredLevel 所需权限级别
 * @param completion 完成回调
 */
- (void)checkDramaAccessWithDramaId:(NSString *)dramaId
                      requiredLevel:(NSInteger)requiredLevel
                         completion:(void(^)(JXAccessCheckResult * _Nullable result, NSError * _Nullable error))completion;

/**
 * 同步会员状态到服务器
 * @param completion 完成回调
 */
- (void)syncMemberStatusWithCompletion:(void(^)(BOOL success, NSError * _Nullable error))completion;

/**
 * 检查是否为VIP用户
 * @param completion 完成回调
 */
- (void)isVipUserWithCompletion:(void(^)(BOOL isVip, NSError * _Nullable error))completion;

/**
 * 检查会员是否过期
 * @param memberStatus 会员状态
 * @return 是否过期
 */
- (BOOL)isMemberExpired:(JXMemberStatus *)memberStatus;

/**
 * 获取会员到期时间
 * @param completion 完成回调
 */
- (void)getMemberExpireTimeWithCompletion:(void(^)(NSTimeInterval expireTime, NSError * _Nullable error))completion;

/**
 * 获取会员类型显示名称
 * @param memberType 会员类型
 * @return 显示名称
 */
- (NSString *)getMemberTypeDisplayName:(NSString *)memberType;

/**
 * 获取访问级别显示名称
 * @param accessLevel 访问级别
 * @return 显示名称
 */
- (NSString *)getAccessLevelDisplayName:(NSInteger)accessLevel;

/**
 * 清除会员状态缓存
 */
- (void)clearMemberStatusCache;

/**
 * 更新会员状态（用于购买成功后立即更新）
 * @param memberStatus 新的会员状态
 */
- (void)updateMemberStatus:(JXMemberStatus *)memberStatus;

/**
 * 添加会员状态变更监听
 * @param observer 观察者
 * @param selector 回调方法
 */
- (void)addMemberStatusObserver:(id)observer selector:(SEL)selector;

/**
 * 移除会员状态变更监听
 * @param observer 观察者
 */
- (void)removeMemberStatusObserver:(id)observer;

@end

NS_ASSUME_NONNULL_END