AIPlayRingtones/AIPlayRingtones/AppPage/Common/TSBandRingTool/AudioTool.swift

//
//  AudioTool.swift
//  ContactPoster
//
//  Created by TSYH on 2024/1/24.
//

import AVFoundation
typealias AudioCompletionHandler = (URL?, String?) -> Void

class AudioTool {

    /// 创建用于分享库乐队的band文件
    func convertToBand(from fileURL: URL, to filePath: String,
                       bandFileURL: URL,
                       completion: ((URL?) -> Void)?) {
        
        let copyBandURL = URL(fileURLWithPath: filePath).deletingPathExtension().appendingPathExtension("band")
        // 步骤3：复制band文件
        try? FileManager.default.copyItem(atPath: bandFileURL.path, toPath: copyBandURL.path)
        
        guard FileManager.default.fileExists(atPath: copyBandURL.path) else {
            // 复制失败
            completion?(nil)
            return
        }
        
        // 步骤4：格式转换为aiff
        let converter = ExtAudioConverter()
        converter.inputFile = fileURL.path
        converter.outputFile = copyBandURL.path.appending("/Media/ringtone.aiff")
        converter.outputFileType = kAudioFileAIFFType
        let success = converter.convert()
        
        guard success,
              FileManager.default.fileExists(atPath: copyBandURL.path) else {
            // 转换失败
            completion?(nil)
            return
        }
        
        completion?(copyBandURL)
        debugPrint("===bandPath: \(copyBandURL)")
    }
    


}