//
//  PlayVoiceManager.swift
//  yinmeng-ios
//
//  Created by yinmeng on 2024/2/29.
//

import UIKit
import Alamofire


class PlayVoiceManager: NSObject,AVAudioPlayerDelegate {
    
    static let shared = PlayVoiceManager()
    var player:AVAudioPlayer?
    
    var isPlay = false
    func stopPlayVoice(){
        guard let player = player else{return}
        player.stop()
        self.player = nil
        isPlay = false
    }
    func beginPlayVoice(url:String){
        stopPlayVoice()
        try? AVAudioSession.sharedInstance().setCategory(.playback, options: .allowBluetooth)
        try? AVAudioSession.sharedInstance().setActive(true)
        guard let _url = URL.init(string: url) else {
            return
        }
        self.player = try? AVAudioPlayer(contentsOf: _url)
        self.player?.volume = 1
        self.player?.numberOfLoops = -1
        self.player?.delegate = self
        self.player?.prepareToPlay()
        self.player?.play()
        isPlay = true
    }
    func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
     
    }
    func audioPlayerDecodeErrorDidOccur(_ player: AVAudioPlayer, error: Error?) {
      
    }
    func downloadVoice(url:String){
        
        let list = url.components(separatedBy: "/")
        var name = "voiceList"
        if list.isEmpty == false,let getName = list.last{
            name =  getName
        }
        let path = NSSearchPathForDirectoriesInDomains(.documentDirectory,.userDomainMask,true)[0] as String
        let allPath = path +  "/kUserVoice/" + name
        if FileManager.default.fileExists(atPath: allPath){
            beginPlayVoice(url: allPath)
        }else{
            try? FileManager.default.createDirectory(atPath: allPath, withIntermediateDirectories: true, attributes: nil)
            downloadDataWithUrl(url: url, path: allPath)
        }
        
    }
    
    func downloadDataWithUrl(url:String,path:String){
        //请求
        let request = URLRequest(url: URL(string: url)!)
        let session = URLSession.shared
        //下载任务
        let downloadTask = session.downloadTask(with: request,
                                                completionHandler: { (location:URL?, response:URLResponse?, error:Error?)
            -> Void in
            guard let locationPath = location?.path else{return}
            
            do {
                if FileManager.default.fileExists(atPath: path){
                    try FileManager.default.removeItem(atPath: path)
                }
                // 文件移动至document
                try FileManager.default.copyItem(atPath: locationPath, toPath: path)
                // main
                DispatchQueue.main.async {
                    self.beginPlayVoice(url:path)
                }
            } catch let error {
                HUDTool.show(with: "\(error.localizedDescription)")
            }
        })
        
        
        //使用resume方法启动任务
        downloadTask.resume()
    }
    
    static func downloadFile(url:String,complete:@escaping(_ url:String)->Void,fail:@escaping()->Void){
        let list = url.components(separatedBy: "/")
        var name = "FileList"
        if list.isEmpty == false,let getName = list.last{
            name =  getName
        }
        let path = NSSearchPathForDirectoriesInDomains(.documentDirectory,.userDomainMask,true)[0] as String
        let allPath = path +  "/kUserFile/" + name
        if FileManager.default.fileExists(atPath: allPath){
           complete(allPath)
        }else{
            do {
                try FileManager.default.createDirectory(atPath: allPath, withIntermediateDirectories: true, attributes: nil)
                //请求
                let request = URLRequest(url: URL(string: url)!)
                let session = URLSession.shared
                //下载任务
                let downloadTask = session.downloadTask(with: request,
                                                        completionHandler: { (location:URL?, response:URLResponse?, error:Error?)
                    -> Void in
                    guard let locationPath = location?.path else{return}
                    
                    do {
                        if FileManager.default.fileExists(atPath: allPath){
                            try FileManager.default.removeItem(atPath: allPath)
                        }
                        // 文件移动至document
                        try FileManager.default.copyItem(atPath: locationPath, toPath: allPath)
                        // main
                        DispatchQueue.main.async {
                           complete(allPath)
                        }
                    } catch let error {
                        fail()
                    }
                })
                
                
                //使用resume方法启动任务
                downloadTask.resume()
            }catch let error{
                fail()
            }
        
        }
    }
    
    
    
}