//
//  VideoActivityItemSource.swift
//  Tusker
//
//  Created by Shadowfacts on 3/19/24.
//  Copyright © 2024 Shadowfacts. All rights reserved.
//

import UIKit
import UniformTypeIdentifiers
import AVFoundation

class VideoActivityItemSource: UIActivityItemProvider {
    private let asset: AVAsset
    private let url: URL
    
    private var tempURL: URL?
    
    init(asset: AVAsset, url: URL) {
        self.asset = asset
        self.url = url
        
        super.init(placeholderItem: url)
    }

    override var item: Any {
        if let tempURL {
            return tempURL
        }
        do {
            let data = try Data(contentsOf: url)
            let tempURL = FileManager.default.temporaryDirectory.appendingPathComponent(url.lastPathComponent)
            try data.write(to: tempURL)
            self.tempURL = tempURL
            return tempURL
        } catch {
            return url
        }
    }
    
    override func activityViewController(_ activityViewController: UIActivityViewController, dataTypeIdentifierForActivityType activityType: UIActivity.ActivityType?) -> String {
        return (UTType(filenameExtension: url.pathExtension) ?? .video).identifier
    }
}