//
//  CameraCaptureVC.swift
//  QuickLocation
//

import UIKit

final class CameraCaptureVC: BaseViewController {

    override var isNavigationBarHidden: Bool { true }
    override var preferredStatusBarStyle: UIStatusBarStyle { .lightContent }

    private let captureMode: CameraCaptureMode
    private var rootView: CameraCaptureView!

    var onScan: ((String) -> Void)?
    var onPhoto: ((UIImage) -> Void)?
    var onVideo: ((URL) -> Void)?
    var onOpenAlbum: (() -> Void)?

    init(mode: CameraCaptureMode) {
        self.captureMode = mode
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func loadView() {
        rootView = CameraCaptureView(mode: captureMode)
        view = rootView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        rootView.onClose = { [weak self] in
            self?.closeCapture()
        }
        rootView.onScan = { [weak self] text in
            self?.onScan?(text)
        }
        rootView.onPhoto = { [weak self] image in
            self?.onPhoto?(image)
        }
        rootView.onVideo = { [weak self] url in
            self?.onVideo?(url)
        }
        rootView.onOpenAlbum = { [weak self] in
            self?.onOpenAlbum?()
        }
    }

    private func closeCapture() {
        if presentingViewController != nil {
            dismiss(animated: true)
        } else {
            navigationController?.popViewController(animated: true)
        }
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        rootView.startSession()
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        rootView.stopSession()
    }
}