// YourAnchorPrepareViewController represents the view controller for loading the anchor starts live streaming view
class YourAnchorPrepareViewController: UIViewController {

    // 1. Declare to create a LiveCoreView instance
    private let coreView = LiveCoreView()
    
    // 2. Lazy load AnchorPrepareView
    private lazy var prepareView: AnchorPrepareView = {
        // 3. Import the coreView instance object when initializing AnchorPrepareView
        let view = AnchorPrepareView(coreView: coreView)
        return view
    }()

    public override func viewDidLoad() {
        super.viewDidLoad()
        // 4. Add prepareView to view
        view.addSubview(prepareView)
        prepareView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
    }
}

// YourAnchorPrepareViewController represents the view controller for loading the anchor starts live streaming view
class YourAnchorViewController: UIViewController {
    
    // Live room information
    private let liveInfo: LiveInfo
    // Core view component
    private let coreView: LiveCoreView
    // Room entry action:
    //    RoomBehavior.createRoom: Broadcaster creates a room
    //    RoomBehavior.enterRoom: Audience enters room
    private let behavior: RoomBehavior
    
    // 1. Declare anchorView instance
    private let anchorView: AnchorView
    
    // 2. Add new construct function to complete instance initialization
    public init(liveInfo: LiveInfo, coreView: LiveCoreView? = nil) {
        self.liveInfo = liveInfo
        self.behavior = behavior
        if let coreView = coreView {
            self.coreView = coreView
        } else {
            self.coreView = LiveCoreView()
        }
        // 3. Instantiate the live stream publishing page
        self.anchorView = AnchorView(liveInfo: liveInfo, coreView: self.coreView, behavior: .createRoom)
        super.init(nibName: nil, bundle: nil)
    }
    
    public override func viewDidLoad() {
        super.viewDidLoad()
        // 4. Add anchorView to view
        view.addSubview(anchorView)
        anchorView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }  
    }
}

// Set proxy during AnchorPrepareView initialization in Step 1
class YourAnchorPrepareViewController: UIViewController {
    
    private lazy var prepareView: AnchorPrepareView = {
        let view = AnchorPrepareView(coreView: coreView)
        // 1. Set callback proxy
        prepareView.view.delegate = self
        return view
    }()
}

// 2. Implement AnchorPrepareViewDelegate callback proxy
extension YourAnchorPrepareViewController : AnchorPrepareViewDelegate {
    // Respond to the click event of the go live button
    //   - state: PrepareState encapsulates camera, sound effect and other feature settings of the live stream publishing view. Just set it as the following example code.
    public func onClickStartButton(state: PrepareState) {
        // 4. Navigate to the live stream publishing page
        // 4.1. Initialize live information
        var liveInfo = LiveInfo()
        // you only need to set roomId
        liveInfo.roomId = roomId
        liveInfo.name = state.roomName
        liveInfo.coverUrl = state.coverUrl
        liveInfo.isPublicVisible = state.privacyMode == .public
        liveInfo.seatLayoutId = .videoDynamicGrid9Seats
        liveInfo.backgroundUrl = state.coverUrl
        liveInfo.pkTemplateId = state.pkTemplateMode.rawValue
        
        // 4.2. Instantiate your live stream view controller
        let anchorVC = YourAnchorViewController(liveInfo: liveInfo, coreView: coreView)
        anchorVC.modalPresentationStyle = .fullScreen
        // 4.3. Navigate to your live stream view controller
        present(anchorVC, animated: false)
    }

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


// YourAnchorPrepareViewController represents the view controller for loading the anchor starts live streaming view
class YourAnchorPrepareViewController: UIViewController {

    private let coreView = LiveCoreView()
    
    private lazy var prepareView: AnchorPrepareView = {
        let view = AnchorPrepareView(coreView: coreView)
        view.delegate = self
        return view
    }()

    public override func viewDidLoad() {
        super.viewDidLoad()
        // 1. Add prepareView to view
        view.addSubview(prepareView)
        prepareView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        // 2. Custom function area - Example: Hide beauty effect feature 
        prepareView.disableMenuBeautyButton(true)     
    }
}

// YourAnchorPrepareViewController represents the view controller for loading the anchor starts live streaming view
class YourAnchorViewController: UIViewController {
    
    // Declare anchorView instance
    private let anchorView: AnchorView
    
    public override func viewDidLoad() {
        super.viewDidLoad()
        // Add anchorView to view
        view.addSubview(anchorView)
        anchorView.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        // Hide the anchor connection feature
        anchorView.disableFooterCoHost(true)
    }
}