//
//  ViewController.swift
//  Mue
//
//  Created by David Ralph on 02/01/2026.
//

import Cocoa
import SafariServices
import WebKit

let extensionBundleIdentifier = "mueauthors.mue.Extension"

class ViewController: NSViewController, WKNavigationDelegate, WKScriptMessageHandler {

    @IBOutlet var webView: WKWebView!

    override func viewDidLoad() {
        super.viewDidLoad()

        self.webView.navigationDelegate = self

        self.webView.configuration.userContentController.add(self, name: "controller")

        let mainUrl = Bundle.main.url(forResource: "Main", withExtension: "html")!
        let resourceUrl = Bundle.main.resourceURL!
        self.webView.loadFileURL(mainUrl, allowingReadAccessTo: resourceUrl)
    }

    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
        SFSafariExtensionManager.getStateOfSafariExtension(
            withIdentifier: extensionBundleIdentifier
        ) { (state, error) in
            guard let state = state, error == nil else {
                // Insert code to inform the user that something went wrong.
                return
            }

            DispatchQueue.main.async {
                if #available(macOS 13, *) {
                    webView.evaluateJavaScript("show(\(state.isEnabled), true)")
                } else {
                    webView.evaluateJavaScript("show(\(state.isEnabled), false)")
                }
            }
        }
    }

    func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
        guard let messageBody = message.body as? String, messageBody == "open-preferences" else {
            return
        }

        SFSafariApplication.showPreferencesForExtension(withIdentifier: extensionBundleIdentifier) { _ in
            DispatchQueue.main.async {
                NSApplication.shared.terminate(nil)
            }
        }
    }

}