//
//  MPPositive_LoadMusicModel.swift
//  MusicPlayer
//
//  Created by Mr.Zhou on 2024/4/25.
//

import UIKit
///b面音乐数据管理load
class MPPositive_BrowseLoadViewModel: NSObject {
    static let shared = MPPositive_BrowseLoadViewModel()
    ///预览模块数据组(通过网络请求刷新)
    var browseModuleLists:[MPPositive_BrowseModuleListViewModel] = []
    override init() {
        super.init()
        //当网络请求工具触发browse请求闭包时
        MP_NetWorkManager.shared.browseRequestStateBlock = {
            [weak self] (lists,isCompleted) in
            guard let self = self else {return}
            DispatchQueue.main.async {
                [weak self] in
                guard let self = self else {return}
                //配置预览模块数据
                browseModuleLists.append(contentsOf: lists)
                //移除为空的数据
                browseModuleLists = browseModuleLists.filter{($0.items.count != 0)}
                //通知首页刷新UI
                NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
            }
            if isCompleted == true {
                //将视频移动到最后
                DispatchQueue.main.asyncAfter(deadline: .now() + 0.2, execute: {
                    [weak self] in
                    guard let self = self else {
                        return
                    }
                    // 查找目标元素的索引
                    if let index = browseModuleLists.firstIndex(where: {$0.items.first?.browseItem.pageType == "MUSIC_VIDEO_TYPE_OMV"}) {
                        // 移除目标元素
                        let removedElement = browseModuleLists.remove(at: index)
                        // 将目标元素添加到数组的最后
                        browseModuleLists.append(removedElement)
                    }
                    NotificationCenter.notificationKey.post(notificationName: .positive_browses_reload)
                })
                //加载完毕后
                MP_AnalyticsManager.shared.home_b_module_showsucces_actionAction()
            }
        }
    }
    ///刷新预览数据
    func reloadBrowseLists() {
        //清空预览模块数据
        browseModuleLists.removeAll()
        //调用网络请求工具的预览请求
        MP_NetWorkManager.shared.requestBrowseDatas()
    }
}