//
//  WebView.swift
//  VikunjaApp
//
//  Created by Justin Schwegmann on 13.03.26.
//

import SwiftUI
import WebKit

struct WebView: UIViewRepresentable {
    let url: URL
    @Binding var canGoBack: Bool

    func makeCoordinator() -> Coordinator {
        Coordinator(self)
    }

    func makeUIView(context: Context) -> WKWebView {
        let config = WKWebViewConfiguration()
        config.websiteDataStore = WKWebsiteDataStore.default()  // persistent auf Disk

        let webView = WKWebView(frame: .zero, configuration: config)
        webView.navigationDelegate = context.coordinator
        webView.allowsBackForwardNavigationGestures = true
        context.coordinator.webView = webView
        webView.load(URLRequest(url: url))
        return webView
    }

    func updateUIView(_ webView: WKWebView, context: Context) {}

    class Coordinator: NSObject, WKNavigationDelegate {
        var parent: WebView
        var webView: WKWebView?

        init(_ parent: WebView) { self.parent = parent }

        func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
            parent.canGoBack = webView.canGoBack
        }
    }
}