//
//  plotPopupViewController.swift
//  wktest
//
//  Created by hrbrmstr on 9/9/19.
//  Copyright © 2019 Bob Rudis. All rights reserved.
//

import Cocoa
import WebKit

class plotPopupViewController: NSViewController {

  var webView: WKWebView!
  var urlPath: String = ""
  
  open override func viewDidLoad() {
    super.viewDidLoad()
  }
  
  func setupWebView(configuration: WKWebViewConfiguration) {
    
    webView = WKWebView(frame: view.bounds, configuration: configuration)
    webView.autoresizingMask = [.width, .height]
    webView.uiDelegate = self
    webView.navigationDelegate = self
    
    view.addSubview(webView)
    
  }

  func loadWebView(urlIn: String) {
    
    urlPath = urlIn
    
    NSLog(urlPath)
    
    // Check for "/export/"
    // If export, then get bring up a Save Panel and then download the file to that location

    if let url = URL(string: urlPath) {
      
      let urlRequest = URLRequest(url: url)

      NSLog("URL path: " + url.path)
      
      if (url.path.starts(with: "/export")) {
        
        NSLog("  Name: " + url.queryParameters["name"]!)
        
        DispatchQueue.main.async {
          self.webView.removeFromSuperview()
        }
        
      } else {
        
        webView.load(urlRequest)

      }
    }
    
  }
  
  override func viewDidAppear() {
    super.viewDidAppear()
  }
    
}

extension plotPopupViewController: WKUIDelegate {
  
  func webViewDidClose(_ webView: WKWebView) {
    self.view.window?.close()
  }
  
  
  func webView(_ webView: WKWebView, runOpenPanelWith parameters: WKOpenPanelParameters, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping ([URL]?) -> Void) {
  
    NSLog("savePanel!")
  
    let savePanel = NSSavePanel()
    
    savePanel.canCreateDirectories = true
    savePanel.beginSheetModal(for:self.view.window!) { (response) in
      if (response == NSApplication.ModalResponse.OK) {
        completionHandler([savePanel.url!])
      } else {
        completionHandler(nil)
      }
      savePanel.close()
    }
    
  }

}

extension plotPopupViewController: WKNavigationDelegate {
  
  open func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
    print("DID START")
  }
  
  func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
    print("DID FINISH")
  }
  
}