import UIKit
import Snapkit
import TUILiveKit
import AtomicXCore

// YourAnchorPrepareViewController represents the view controller for loading the host start page
class YourAnchorPrepareViewController: UIViewController {
    private let roomId = "testLiveId"
    
    // Lazy load AnchorPrepareView
    private lazy var prepareView: AnchorPrepareView = {
        //  Pass roomId when initializing AnchorPrepareView
        let view = AnchorPrepareView(roomId: roomId)
        return view
    }()

    public override func viewDidLoad() {
        super.viewDidLoad()
        //  Add prepareView to the view
        view.addSubview(prepareView)
        prepareView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
    }
}

import UIKit
import Snapkit
import TUILiveKit
import AtomicXCore

// YourAnchorPrepareViewController represents the view controller for loading the host start page
class YourAnchorViewController: UIViewController {
    // Core view component
    private let coreView: LiveCoreView
    
    //  Declare anchorView instance
    private let anchorView: AnchorView
    
    public init(liveInfo: LiveInfo, coreView: LiveCoreView? = nil, behavior: RoomBehavior = .createRoom) {
        if let coreView = coreView {
            self.coreView = coreView
        } else {
            self.coreView = LiveCoreView(viewType: .pushView)
        }
        //  Instantiate the host start page
        self.anchorView = AnchorView(liveInfo: liveInfo, coreView: self.coreView, behavior: behavior)
        super.init(nibName: nil, bundle: nil)
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    public override func viewDidLoad() {
        super.viewDidLoad()
        //  Add anchorView to the view
        view.addSubview(anchorView)
        anchorView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
    }
}

import UIKit
import TUILiveKit
import AtomicXCore

//  Set delegate when initializing AnchorPrepareView
class YourAnchorPrepareViewController: UIViewController {
    private lazy var prepareView: AnchorPrepareView = {
        let view = AnchorPrepareView(roomId: roomId)
        // Set delegate
        view.delegate = self
        return view
    }()
}

//  Implement AnchorPrepareViewDelegate callback
extension YourAnchorPrepareViewController : AnchorPrepareViewDelegate {
    // Handle start button click event
    // - state: PrepareState encapsulates camera, audio effects, and other settings for the host start page. You only need to configure as shown in the sample code below.
    public func onClickStartButton(state: PrepareState) {
        // Navigate to the host start page
        // Initialize live stream information
        var liveInfo = LiveInfo(seatTemplate: .videoDynamicGrid9Seats)
        // If you used Server APIs to pre-create the room, fill in the RoomId returned by the server here.
        liveInfo.liveID = roomId
        liveInfo.liveName = state.roomName
        liveInfo.coverURL = state.coverUrl
        liveInfo.isPublicVisible = state.privacyMode == .public
        liveInfo.backgroundURL = state.coverUrl
        
        // Instantiate your host start view controller
        let anchorVC = YourAnchorViewController(liveInfo: liveInfo, coreView: prepareView.getCoreView())
        anchorVC.modalPresentationStyle = .fullScreen
        
        // Destroy the preparation page when going live: do not stack the streaming page on top of the preparation page
        guard let presenter = presentingViewController else {
            present(anchorVC, animated: false)
            return
        }
        presenter.dismiss(animated: false) {
            presenter.present(anchorVC, animated: false)
        }
    }

    // Handle back button click event
    public func onClickBackButton() {
        if let nav = navigationController {
            nav.popViewController(animated: true)
        } else {
            dismiss(animated: true)
        }
    }
}

import UIKit
import Snapkit
import TUILiveKit
import AtomicXCore

// YourAnchorPrepareViewController represents the view controller for loading the host start page
class YourAnchorPrepareViewController: UIViewController {
    private let roomId = "testLiveId"
    private lazy var prepareView: AnchorPrepareView = {
        let view = AnchorPrepareView(roomId: roomId)
        view.delegate = self
        return view
    }()

    public override func viewDidLoad() {
        super.viewDidLoad()
        // Add prepareView to the view
        view.addSubview(prepareView)
        prepareView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        // Customize feature area - Example: Hide beauty feature
        prepareView.disableMenuBeauty(true)     
    }
}