/**
 * NHL Live streams
 * Add Web Resource: .m3u8 links containing "http://nlds" for your game
 * How to get vlc links reddit post: http://www.reddit.com/r/hockey/comments/1q58xv/how_to_get_vlc_links/
 * Try the text link: http://dnalloheoj.com/nhl/log.txt
 *
 * @author CowMix
 * @Edited by Kaphis
 * @Edited by Exist2Inspire02
 * - Removed the automatically scheduling and turned it into a user-agent decryption script for those that can find the links to the games.
 * - Fixed Regex
 * - Added in new USER_AGENT which will allow for streams to work on the PS3 once again.
 * @Edited by DarkSpoon
 * - Added in new USER_AGENT which will allow for streams to work on the PS3 once again.
 */
import groovy.util.XmlParser
import java.text.SimpleDateFormat
import org.serviio.library.metadata.*
import org.serviio.library.online.*
import java.util.logging.Logger
import java.util.regex.*

class NHLLive extends WebResourceUrlExtractor {

    final TITLE = 'NHL Live'
    final NHL_LOGO = 'http://www.nhl.com/images/default/nhl_thumbnail.jpg'
    final USER_AGENT = 'Roku/DVP-5.0 (025.00E08043A)' /*'iTunes-AppleTV/4.1'*/
    final QUALITIES = ["4500", "3000", "1600", "1200", "800", "400"]
    final DEFAULT_QUALITY_HIGH = "4500"
    final DEFAULT_QUALITY_MEDIUM = "3000"
    final DEFAULT_QUALITY_LOW = "1600"
    final DATE_FORMAT = 'yyyy-MM-dd HH:mm:ss'
    final DATE_TIMEZONE = 'America/New_York'
    final DATE_DISPLAY_FORMAT = 'h:mma z'

	String getExtractorName() {
        return TITLE
    }

    int getVersion() {
        return 4
    }


    boolean extractorMatches(URL feedUrl) {

    String re1="(http)";	// Word 1
    String re2="(:)";	// Any Single Character 1
    String re3="(\\/)";	// Any Single Character 2
    String re4="(\\/)";	// Any Single Character 3
    String re5="((?:[a-z][a-z]*[0-9]+[a-z0-9]*))";	// Alphanum 1
    String re6="(\\.)";	// Any Single Character 4
    String re7="(cdnak)";	// Word 2
    String re8="(\\.)";	// Any Single Character 5
    String re9="(neulion)";	// Word 3
    String re10="(\\.)";	// Any Single Character 6
    String re11="(com)";	// Word 4
    String re12="(\\/)";	// Any Single Character 7
    String re13="(nlds)";	// Word 5
    String re14="(\\/)";	// Any Single Character 8
    String re15="(nhl)";	// Word 6
    String re16="(\\/)";	// Any Single Character 9
    String re17="((?:[a-z][a-z]+))";	// Word 7
    String re18="(.)";	// Any Single Character 10
    String re19="((?:[a-z][a-z0-9_]*))";	// Variable Name 1
    String re20="(.)";	// Any Single Character 11
    String re21="((?:[a-z][a-z]+))";	// Word 8
    String re22="(.)";	// Any Single Character 12
    String re23="((?:[a-z][a-z0-9_]*))";	// Variable Name 2
    String re24="(.)";	// Any Single Character 13
    String re25="(m3u8)";	// Alphanum 2

    Pattern p = Pattern.compile(re1+re2+re3+re4+re5+re6+re7+re8+re9+re10+re11+re12+re13+re14+re15+re16+re17+re18+re19+re20+re21+re22+re23+re24+re25,Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
    Matcher m = p.matcher(feedUrl.toString());
    if (m.find())
		{

			return true

		}
	else
		{
			return false
		}
	}


    Boolean URLExists(URL fileURL) {
        try {
            HttpURLConnection connection = (HttpURLConnection) fileURL.openConnection()
            connection.setRequestProperty("User-Agent", USER_AGENT)
            if (connection.getResponseCode() == 404) {
                return false
            }
        } catch (Exception e) {
            log(e.toString())
            e.printStackTrace()
            return false
        }
        return true
    }


    WebResourceContainer extractItems(URL resourceUrl, int maxItemsToRetrieve) {
        List < WebResourceItem > items = []
        String linkUrl = resourceUrl
        WebResourceItem item = new WebResourceItem(title: 'Live Stream', additionalInfo: ['linkUrl': linkUrl])
        items << item
        return new WebResourceContainer(title: TITLE, thumbnailUrl: NHL_LOGO, items: items)
    }


    ContentURLContainer extractUrl(WebResourceItem item, PreferredQuality requestedQuality) {
        String linkUrl = item.getAdditionalInfo()['linkUrl']
        String url = linkUrl
        String quality
        switch (requestedQuality) {
        case PreferredQuality.HIGH:
            quality = DEFAULT_QUALITY_HIGH
            break
        case PreferredQuality.MEDIUM:
            quality = DEFAULT_QUALITY_MEDIUM
            break
        case PreferredQuality.LOW:
        default:
            quality = DEFAULT_QUALITY_LOW
        }
        boolean start = false
        for (int i = 0; i < QUALITIES.size(); i++) {
            String q = QUALITIES[i]
            if (q == quality) {
                start = true
            }
            if (start) {
                String testUrl = linkUrl.replaceAll('ipad', q)
                if (URLExists(new URL(testUrl))) {
                    url = testUrl
                    start = false
                    break
                }
            }
        }

        String cacheKey = url.substring(url.lastIndexOf('/') + 1, url.length())
        ContentURLContainer urlContainer = new ContentURLContainer(fileType: MediaFileType.VIDEO, contentUrl: url, live: true, expiresImmediately: true, cacheKey: cacheKey, userAgent: USER_AGENT)




        return urlContainer
    }



}