//
//  CountDownManager.swift
//  QuickSearchLocation
//
//  Created by Destiny on 2025/9/24.
//

import UIKit


class QSLCountdownManager {
    static let shared = QSLCountdownManager()
    private var timer: Timer?
    var selectGood: QSLGoodModel?
    var remainingSeconds: Int = 900 // 15分钟 = 900秒
    var updateHandler: ((String) -> Void)?
    var updateHandler1: ((String) -> Void)?
    
    var finishHandler: (() -> Void)?
    
    func startCountdown() {
        timer?.invalidate()
        timer = nil
        if(selectGood == nil){
            return
        }
        remainingSeconds = 900
        timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(updateCountdown), userInfo: nil, repeats: true)
        RunLoop.current.add(timer!, forMode: .common)
    }
    
    func stopCountdown() {
        finishHandler?()
        timer?.invalidate()
        timer = nil
    }
    
    @objc private func updateCountdown() {
        remainingSeconds -= 1
        if remainingSeconds <= 0 {
            stopCountdown()
        }
        
        let hours = remainingSeconds / 3600
        let minutes = (remainingSeconds % 3600) / 60
        let seconds = remainingSeconds % 60
        
        let timeString = String(format: "%02d : %02d : %02d", hours, minutes, seconds)
        updateHandler?(timeString)
        updateHandler1?(timeString)
    }
    
    deinit {
        stopCountdown()
    }
}