//
//  TFUserInfoManager.m
//  WXReader
//
//  Created by 谢腾飞 on 2020/12/3.
//  Copyright © 2020 xtfei_2011@126.com. All rights reserved.
//

#import "TFUserInfoManager.h"
#import "NSObject+Utils.h"
#import <ShareSDK/ShareSDK.h>

@implementation TFUserInfoManager

static TFUserInfoManager *_userInfoInstance;

+ (instancetype)shareInstance
{
    return [[self alloc] init];
}

+ (instancetype)allocWithZone:(struct _NSZone *)zone
{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _userInfoInstance = [super allocWithZone:zone];
        _userInfoInstance = [self dynamicInit];
    });
    return _userInfoInstance;
}

- (instancetype)init
{
    if ([[NSFileManager defaultManager] fileExistsAtPath:TFUserInfoManager.userInfoPath] && kObjectIsEmpty(_userInfoInstance.token)) {
        _userInfoInstance = [NSKeyedUnarchiver unarchiveObjectWithFile:TFUserInfoManager.userInfoPath];
    }
    return _userInfoInstance;
}

- (id)copyWithZone:(NSZone *)zone
{
    return _userInfoInstance;
}

- (id)mutableCopyWithZone:(NSZone *)zone
{
    return _userInfoInstance;
}

+ (BOOL)isLogin
{
    return !kObjectIsEmpty([[self shareInstance] token]);
}

static NSDictionary<NSString *, NSString *> *_property;

+ (instancetype)logout
{
    [self dynamicInit];
    
    // 删除本地用户信息
    [[NSFileManager defaultManager] removeItemAtPath:self.userInfoPath error:nil];
    
    return _userInfoInstance;
}

+ (NSDictionary<NSString *, id> *)modelCustomPropertyMapper
{
    return @{
        @"token"        : @"user_token",
        @"vip"          : @"is_vip",
        @"masterRemain" : @"goldRemain",
        @"subRemain"    : @"silverRemain",
        @"totalRemain"  : @"remain"
    };
}

/// 动态初始化Model所有值，避免Null、nil
+ (instancetype)dynamicInit
{
    if (_userInfoInstance == nil) _userInfoInstance = [self shareInstance];
    
    // 动态获取属性列表，遍历属性并初始化.
    _property = _property ? : [self propertyDict];
    
    [_property enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, NSString * _Nonnull value, BOOL * _Nonnull stop) {
        SEL sel = [TFUtilsHelper createSetterWithPropertyName:key];
        if ([_userInfoInstance respondsToSelector:sel]) {
            Class t_class = NSClassFromString(value);
            [self updateWithSel:sel obj:[t_class new]];
        }
    }];
    
    return _userInfoInstance;
}

+ (instancetype)updateWithDict:(NSDictionary *)dict
{
    if (_userInfoInstance == nil) _userInfoInstance = [self shareInstance];
    
    // 动态获取属性列表，遍历并更新属性
    _property = _property ? : [self propertyDict];
    
    [_property enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, NSString * _Nonnull value, BOOL * _Nonnull stop) {
        
        SEL sel = [TFUtilsHelper createSetterWithPropertyName:key];
        
        if ([_userInfoInstance respondsToSelector:sel]) {
            NSDictionary *t_dict = [self modelCustomPropertyMapper];
            id t_name = t_dict[key];
            if ([t_name isKindOfClass:NSArray.class]) {
                for (NSString *obj in t_name) {
                    [self updateWithSel:sel obj:dict[obj]];
                }
            } else if ([t_name isKindOfClass:NSString.class]) {
                [self updateWithSel:sel obj:dict[t_name]];
            } else {
                [self updateWithSel:sel obj:dict[key]];
            }
        }
    }];
    // 删除本地用户信息
    [[NSFileManager defaultManager] removeItemAtPath:self.userInfoPath error:nil];
    // 保存用户信息到本地
    [NSKeyedArchiver archiveRootObject:_userInfoInstance toFile:self.userInfoPath];
    
    return _userInfoInstance;
}

+ (void)updateWithSel:(SEL)sel obj:(id)obj
{
    if (!obj) return;

    if ([obj isKindOfClass:NSNumber.class]) {
        NSNumber *number = obj;
        ((void (*)(id, SEL, uint64_t))(void *) objc_msgSend)((id)_userInfoInstance, sel, (uint64_t)number.longLongValue);
        return;
    }
    
    ((void (*)(id, SEL, id))(void *) objc_msgSend)((id)_userInfoInstance, sel, obj);
}

+ (void)initialize
{
    [[NSNotificationCenter defaultCenter] addObserver:self.class selector:@selector(logout) name:Notification_Logout object:nil];
}

+ (instancetype)modelWithDictionary:(NSDictionary *)dictionary
{
    _userInfoInstance = [super modelWithDictionary:dictionary];
    
    [NSKeyedArchiver archiveRootObject:_userInfoInstance toFile:self.userInfoPath];
    
    return _userInfoInstance;
}

- (instancetype)initWithCoder:(NSCoder *)coder
{
    return [self modelInitWithCoder:coder];
}

- (void)encodeWithCoder:(NSCoder *)coder
{
    [self modelEncodeWithCoder:coder];
}

+ (NSString *)userInfoPath
{
    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject stringByAppendingPathComponent:@"userInfo"];
}
@end