//
//  SPSearchViewModel.swift
//  Thimra
//
//  Created by 曾觉新 on 2025/4/18.
//

import UIKit

class SPSearchViewModel: NSObject {
    
    ///搜索历史
    @objc dynamic var searchHistoryArr: [String] = SPSearchViewModel.getSearchHistory()
    
    
    func addSearchHistory(text: String) {
        guard text.count > 0 else { return }
        
        SPSearchViewModel.addSearchHistory(text: text)
        searchHistoryArr = SPSearchViewModel.getSearchHistory()
    }
    
    func cleanSearchHistory() {
        SPSearchViewModel.cleanSearchHistory()
        searchHistoryArr.removeAll()
    }
}

extension SPSearchViewModel {
    
    ///添加历史记录
    static func addSearchHistory(text: String) {
        var arr = getSearchHistory()
        for (i, value) in arr.enumerated() {
            if value == text {
                arr.remove(at: i)
                break
            }
        }
        arr.insert(text, at: 0)
        if arr.count > 10 {
            arr.removeLast()
        }
        UserDefaults.standard.set(arr, forKey: kSPHomeSearchHistoryDefaultsKey)
        UserDefaults.standard.synchronize()
    }
    
    ///获取历史记录
    static func getSearchHistory() -> [String] {
        let arr = UserDefaults.standard.object(forKey: kSPHomeSearchHistoryDefaultsKey) as? [String]
        return arr ?? []
    }
    
    ///清空历史记录
    static func cleanSearchHistory() {
        UserDefaults.standard.set([], forKey: kSPHomeSearchHistoryDefaultsKey)
        UserDefaults.standard.synchronize()
    }
    
    
}