//
//  XMLParser.m
//  ParsingXMLTutorial
//
//  Created by kent franks on 3/3/12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "XMLParser.h"

@implementation XMLParser
@synthesize feeds;


NSMutableString	*currentNodeContent;
NSXMLParser		*parser;
ChanelFeeds		*currentFeed;

-(id) loadXMLByURL:(NSString *)urlString
{
	feeds			= [[NSMutableArray alloc] init];
	NSURL *url		= [NSURL URLWithString:urlString];
	NSData *data    = [[NSData alloc] initWithContentsOfURL:url];
	parser			= [[NSXMLParser alloc] initWithData:data];
	parser.delegate = self;
	[parser parse];
	return self;
}

- (void) parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
	currentNodeContent = (NSMutableString *) [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
}

- (void) parser:(NSXMLParser *)parser didStartElement:(NSString *)elementname namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
	if ([elementname isEqualToString:@"entry"])
	{
		currentFeed = [ChanelFeeds alloc];
	}
    if ([elementname isEqualToString:@"yt:duration"])
    {
        currentFeed.duration = [attributeDict objectForKey:@"seconds"];
    }

    if ([elementname isEqualToString:@"yt:statistics"])
    {
        currentFeed.views = [attributeDict objectForKey:@"viewCount"];
    }
    if ([elementname isEqualToString:@"gd:rating"])
    {
        currentFeed.rating = [attributeDict objectForKey:@"average"];
    }
    if ([elementname isEqualToString:@"media:player"])
    {
        currentFeed.streamURL = [NSURL URLWithString:[attributeDict objectForKey:@"url"]];
    }
    if ([elementname isEqualToString:@"media:thumbnail"] && !currentFeed.thumbnailURL)
    {
        currentFeed.thumbnailURL = [NSURL URLWithString:[attributeDict objectForKey:@"url"]];
    }


}

- (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)elementname namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
    if ([elementname isEqualToString:@"title"])
    {
        currentFeed.title = currentNodeContent;
    }
    if ([elementname isEqualToString:@"content"])
    {
        currentFeed.description = currentNodeContent;
    }

	if ([elementname isEqualToString:@"entry"])
	{
		[self.feeds addObject:currentFeed];
		currentFeed = nil;
		currentNodeContent = nil;
	}
}

@end