import SwiftUI
import AVFoundation
import AVKit

// MARK: - 跨平台 AVPlayer 渲染（使用系统 AVPlayerView / AVPlayerViewController）

#if os(iOS)
import UIKit

struct VideoPlayerRepresentable: UIViewControllerRepresentable {
    let player: AVPlayer
    
    func makeUIViewController(context: Context) -> AVPlayerViewController {
        let vc = AVPlayerViewController()
        vc.player = player
        vc.showsPlaybackControls = false
        vc.videoGravity = .resizeAspect
        return vc
    }
    
    func updateUIViewController(_ vc: AVPlayerViewController, context: Context) {
        if vc.player !== player {
            vc.player = player
        }
    }
}

#elseif os(macOS)
import AppKit

struct VideoPlayerRepresentable: NSViewRepresentable {
    let player: AVPlayer
    
    func makeNSView(context: Context) -> AVPlayerView {
        let view = AVPlayerView()
        view.player = player
        view.controlsStyle = .none
        view.videoGravity = .resizeAspect
        return view
    }
    
    func updateNSView(_ nsView: AVPlayerView, context: Context) {
        if nsView.player !== player {
            nsView.player = player
        }
    }
}
#endif