//
//  SPLoginManager.swift
//  ShortPlay
//
//  Created by 曾觉新 on 2025/4/8.
//

import UIKit

class SPLoginManager: NSObject {
    
    static let manager = SPLoginManager()
    
    private(set) var token: SPTokenModel?
    
    ///是否正在刷新token
    private(set) var isRefreshingToken = false
    
    override init() {
        super.init()
        token = UserDefaults.jx_object(forKey: kSPLoginTokenDefaultsKey, class: SPTokenModel.self) as? SPTokenModel
    }
    
    
    func setLoginToken(token: SPTokenModel?) {
        self.token = token
        UserDefaults.jx_setObject(token, forKey: kSPLoginTokenDefaultsKey)
    }
    
    
}

extension SPLoginManager {
    ///游客登录
    func requestVisitorLogin(completer: (() -> Void)?) {
        if isRefreshingToken {
            completer?()
            return
        }
        isRefreshingToken = true
        
        SPNetwork.requestToken { [weak self] token in
            guard let self = self else { return }
            self.isRefreshingToken = false
            completer?()
        }
        
    }
    
    func performDependentRequestsWithOperations() {
        let queue = OperationQueue()
        
        // 1. 创建初始请求操作
        let initialOperation = BlockOperation {
            let semaphore = DispatchSemaphore(value: 0)
            
//            initialRequest { result in
//                defer { semaphore.signal() }
//                
//                if result.isSuccess {
//                    print("初始请求成功")
//                }
//            }
            
            semaphore.wait()
        }
        
        // 2. 创建依赖操作
        let request1Operation = BlockOperation {
            let semaphore = DispatchSemaphore(value: 0)
            
//            request1 {
//                print("请求1完成")
//                semaphore.signal()
//            }
            
            semaphore.wait()
        }
        
        let request2Operation = BlockOperation {
            let semaphore = DispatchSemaphore(value: 0)
            
//            request2 {
//                print("请求2完成")
//                semaphore.signal()
//            }
            
            semaphore.wait()
        }
        
        // 3. 设置依赖关系
        request1Operation.addDependency(initialOperation)
        request2Operation.addDependency(initialOperation)
        
        // 4. 添加操作到队列
        queue.addOperations([initialOperation, request1Operation, request2Operation], waitUntilFinished: false)
    }
    
}