//
//  KBUser.m
//

#import "KBUser.h"
#import <MJExtension/MJExtension.h>

@implementation KBUser

+ (NSDictionary *)mj_replacedKeyFromPropertyName {
    return @{
        @"userId": @[@"id", @"user_id", @"uid"],
        @"appleUserId": @[@"appleUserId", @"apple_user_id", @"apple_userid", @"appleUserID"],
        @"nickname": @[@"nickname", @"nick", @"name"],
        @"avatar": @[@"avatar", @"avatar_url", @"head", @"headimg"],
        @"gender": @[@"gender", @"sex"],
        @"mobile": @[@"mobile", @"phone"],
        @"email": @[@"email"],
        @"token": @[@"token", @"access_token", @"accessToken"],
        @"refreshToken": @[@"refresh_token", @"refreshToken"],
        @"expiryDate": @[@"expire_at", @"expireAt", @"expires_at", @"expiresAt", @"expired_at"],
    };
}

// 将可能是字符串/时间戳（秒/毫秒）的过期时间，转为 NSDate
- (void)setExpiryDate:(NSDate *)expiryDate { _expiryDate = expiryDate; }

+ (instancetype)userFromResponseObject:(id)jsonObject {
    if (!jsonObject) return nil;
    NSDictionary *dict = nil;
    if ([jsonObject isKindOfClass:NSDictionary.class]) {
        dict = (NSDictionary *)jsonObject;
    } else if ([jsonObject isKindOfClass:NSData.class]) {
        // JSON data -> dict
        id obj = [NSJSONSerialization JSONObjectWithData:(NSData *)jsonObject options:0 error:NULL];
        if ([obj isKindOfClass:NSDictionary.class]) dict = obj;
    }
    if (!dict) return nil;

    // 兼容多种后端包装：优先 data.user，其次 data，本身就是用户
    NSDictionary *candidate = nil;
    id data = dict[@"data"]; if ([data isKindOfClass:NSDictionary.class]) { candidate = data; }
    id user = [candidate objectForKey:@"user"]; if (![user isKindOfClass:NSDictionary.class]) { user = dict[@"user"]; }
    NSDictionary *userDict = ([user isKindOfClass:NSDictionary.class]) ? (NSDictionary *)user : (candidate ?: dict);

    KBUser *u = [KBUser mj_objectWithKeyValues:userDict];

    // 额外兼容：若 token 不在用户对象里，尝试从上层提取到模型上
    if (u.token.length == 0) {
        NSString *t = [self pickTokenFromDictionary:dict];
        if (t.length) u.token = t;
    }

    // 过期时间字段可能是字符串或时间戳，做宽松转换
    id exp = userDict[@"expire_at"] ?: userDict[@"expireAt"] ?: userDict[@"expires_at"] ?: userDict[@"expiresAt"] ?: userDict[@"expired_at"];
    if ([exp isKindOfClass:NSNumber.class]) {
        // 兼容秒/毫秒（> 10^11 视为毫秒）
        NSTimeInterval ts = [(NSNumber *)exp doubleValue];
        if (ts > 1e11) ts = ts / 1000.0;
        u.expiryDate = [NSDate dateWithTimeIntervalSince1970:ts];
    } else if ([exp isKindOfClass:NSString.class]) {
        // 尝试 ISO8601
        NSDateFormatter *fmt = [NSDateFormatter new];
        fmt.locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
        fmt.dateFormat = @"yyyy-MM-dd'T'HH:mm:ssZ";
        NSDate *d = [fmt dateFromString:(NSString *)exp];
        if (!d) {
            // 尝试纯秒
            NSTimeInterval ts = [(NSString *)exp doubleValue];
            if (ts > 0) d = [NSDate dateWithTimeIntervalSince1970:ts];
        }
        if (d) u.expiryDate = d;
    }

    return u;
}

+ (NSString *)pickTokenFromDictionary:(NSDictionary *)dict {
    if (![dict isKindOfClass:NSDictionary.class]) return nil;
    NSString *(^pick)(NSDictionary *) = ^NSString *(NSDictionary *d) {
        NSArray *keys = @[ @"token", @"access_token", @"accessToken" ];
        for (NSString *k in keys) {
            id v = d[k]; if ([v isKindOfClass:NSString.class] && ((NSString *)v).length > 0) return v;
        }
        return nil;
    };
    NSString *t = pick(dict); if (t.length) return t;
    id data = dict[@"data"]; if ([data isKindOfClass:NSDictionary.class]) { t = pick(data); if (t.length) return t; }
    id user = dict[@"user"]; if ([user isKindOfClass:NSDictionary.class]) { t = pick(user); if (t.length) return t; }
    NSDictionary *d2 = dict[@"data"]; if ([d2 isKindOfClass:NSDictionary.class]) {
        NSDictionary *session = d2[@"session"]; if ([session isKindOfClass:NSDictionary.class]) { t = pick(session); if (t.length) return t; }
    }
    return nil;
}

@end