//
//  ContentItemView.swift
//  AeroBuddy
//
//  Created by Kieran Samuel Cross on 25/12/2019.
//  Copyright © 2019 Luke Collister. All rights reserved.
//

import UIKit
import SwiftSoup

class ContentItemView: UIView {

    @IBOutlet weak var ContentTitle: UILabel!
    @IBOutlet weak var ContentText: UILabel!

    var currentContent = 0
    var contentList: [Content]!

    func reload() {
        // Set the title
        ContentTitle.text = contentList[currentContent].title

        // Set the content text
        let htmlString = contentList[currentContent].content
        let data = htmlString!.data(using: String.Encoding.unicode)!
        let attrStr = try? NSAttributedString(
            data: data,
            options: [NSAttributedString.DocumentReadingOptionKey.documentType: NSAttributedString.DocumentType.html],
            documentAttributes: nil)

        // Pull all HTML content
        do {
            let html = contentList[currentContent].content!

            // Parse HTML
            guard let doc: Document = try? SwiftSoup.parse(html) else { return }

            // Get all images from HTML content
            for element in try doc.select("img").array(){
                try print(element.attr("src"))
            }

            // create an NSMutableAttributedString that we'll append everything to
            let fullString = NSMutableAttributedString(string: "")

            // create our NSTextAttachment
            let image1Attachment = NSTextAttachment()
            image1Attachment.image = UIImage(named: "")

            // wrap the attachment in its own attributed string so we can append it
            let image1String = NSAttributedString(attachment: image1Attachment)

            // Add images and text to fullString
            fullString.append(attrStr!)
            fullString.append(image1String)
            fullString.append(NSAttributedString(string: "End of text"))

            // draw the result in a label
            ContentText.attributedText = fullString
        } catch {
            print("There was an error parsing the HTML")
        }
    }
}