vendoo_v1.0/Vendoo/ExternalWebViewController.swift

//
//  ExternalWebViewController.swift
//  Vendoo
//
//  Created by Okechi Onyeje on 12/29/16.
//  Copyright © 2016 Okechi Onyeje. All rights reserved.
//

import UIKit

enum WebContent {
    case FAQ
    case GetStarted
}

class ExternalWebViewController: UIViewController, UIWebViewDelegate {
    
    @IBOutlet weak var webView: UIWebView!
    
    @IBOutlet weak var webViewSelector: UISegmentedControl!
    
    //var activity: UIActivityIndicatorView!
    
    //contanst urls for the various app web documents on hosted website
    final let privPolicy = "http://vendoo.co/privacy-policy/"
    final let termsCond = "http://vendoo.co/terms-conditions/"
    final let getStarted = "http://vendoo.co"
    
    var allowLoad = true
    var currIndex: Int!
    
    var contentStringUrlType: String?
    var content: WebContent!
    var url: NSURL!

    
    //controller selection

    override func viewDidLoad() {
        super.viewDidLoad()
        contentStringUrlType = (NSUserDefaults.standardUserDefaults().objectForKey("whichContent") as? String)
        //content = ((contentStringUrlType == "FAQ") ? WebContent.FAQ : WebContent.GetStarted)
        self.webView.delegate = self
        self.webView.dataDetectorTypes = UIDataDetectorTypes.None
        
        // Do any additional setup after loading the view.
        
        //self.activity = UIActivityIndicatorView(activityIndicatorStyle: UIActivityIndicatorViewStyle.Gray)
        //self.activity.color = UIColor.purpleColor()
        //self.activity.backgroundColor = UIColor.grayColor()
        //self.activity.frame = self.webView.frame;

        content = ((contentStringUrlType == "FAQ") ? WebContent.FAQ : WebContent.GetStarted)
        if (self.content == WebContent.FAQ){
            webViewSelector.hidden = false
            webViewSelector.enabled = true
            
            if(webViewSelector.selectedSegmentIndex == 0){
                url = NSURL (string: termsCond)
            }else{
                url = NSURL (string: privPolicy)
            }
            currIndex = webViewSelector.selectedSegmentIndex
        }else{
            webViewSelector.hidden = true
            webViewSelector.enabled = false
            
            url = NSURL (string: getStarted);
            
        }
        
        let requestObj = NSURLRequest(URL: url!);
        webView.loadRequest(requestObj);
    }
    
    /*
     // MARK: - WebView
     */
    
    func webView(webView: UIWebView, shouldStartLoadWithRequest request: NSURLRequest, navigationType: UIWebViewNavigationType) -> Bool {
        return allowLoad
    }
    
    func webViewDidFinishLoad(webView: UIWebView) {
        allowLoad = false
    }
    

    /*
     //MARK: - SegmentControl
     */
    @IBAction func segSwitcher(sender: UISegmentedControl) {
        if(!(self.currIndex == self.webViewSelector.selectedSegmentIndex)){
    
            if (self.webViewSelector.selectedSegmentIndex == 0){
                let requestObj = NSURLRequest(URL: NSURL (string: termsCond)!);
                webView.loadRequest(requestObj);
            }else{
                let requestObj = NSURLRequest(URL: NSURL (string: privPolicy)!);
                webView.loadRequest(requestObj);
            }
            
            self.currIndex = self.webViewSelector.selectedSegmentIndex
            self.allowLoad = true
        
        }
        
    }
    
    
    @IBAction func navigateBack(sender: UIButton) {
        
        let storyboard = UIStoryboard(name: "Main", bundle: nil)
        let vc = storyboard.instantiateViewControllerWithIdentifier("Reveal View Controller")
        self.presentViewController(vc, animated: true, completion: {
            NSUserDefaults.standardUserDefaults().removeObjectForKey("whichContent")
            //self.parentViewController!.dismissViewControllerAnimated(true, completion: nil)
        })
    }
    
    
    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */
}