//
//  NYTVideo.m
//  Notifications for YouTube
//
//  Created by Kim Wittenburg on 14.07.13.
//  Copyright (c) 2013 Kim Wittenburg. All rights reserved.
//

#import "NYTVideo.h"

// API Imports
#import "ISO8601DateFormatter.h"

@implementation NYTVideo

static ISO8601DateFormatter *formatter = nil;

+ (ISO8601DateFormatter *)dateFormatter
{
    // For efficiency use one instace for the entire app
    if (!formatter) {
        formatter = [[ISO8601DateFormatter alloc] init];
        formatter.includeTime = YES;
    }
    return formatter;
}

- (id)initWithMediaGroupNode:(NSXMLNode *)node
{
    self = [super init];
    if (self) {
        static NSString *const videoIDPath = @"./yt:videoid";
        static NSString *const uploaderIDPath = @"./yt:uploaderId";
        static NSString *const uploadedDatePath = @"./yt:uploaded";
        static NSString *const titlePath = @"./media:title";
        static NSString *const urlPath = @"./media:player/@url";
        static NSString *const descriptionPath = @"./media:description";
        static NSString *const uploaderDisplayNamePath = @"./media:credit[@role='uploader']/@yt:display";
        NSXMLElement *videoIDElement = [node nodesForXPath:videoIDPath error:nil][0];
        NSXMLElement *uploaderIDElement = [node nodesForXPath:uploaderIDPath error:nil][0];
        NSXMLElement *uploadedDateElement = [node nodesForXPath:uploadedDatePath error:nil][0];
        NSXMLElement *titleElement = [node nodesForXPath:titlePath error:nil][0];
        NSXMLElement *urlElement = [node nodesForXPath:urlPath error:nil][0];
        NSXMLElement *descriptionElement = [node nodesForXPath:descriptionPath error:nil][0];
        NSXMLElement *uploaderDisplayNameElement = [node nodesForXPath:uploaderDisplayNamePath error:nil][0];
        _videoID = videoIDElement.stringValue;
        _uploaderID = uploaderIDElement.stringValue;
        _uploadedDate = [[NYTVideo dateFormatter] dateFromString:uploadedDateElement.stringValue];
        _title = titleElement.stringValue;
        _URL = urlElement.stringValue;
        _videoDescription = descriptionElement.stringValue;
        _uploaderDisplayName = uploaderDisplayNameElement.stringValue;
    }
    return self;
}

- (NSString *)description
{
    return self.videoID;
}

- (BOOL)isEqual:(id)object
{
    if (self == object) {
        return YES;
    }
    if (object == nil) {
        return NO;
    }
    if (![object isKindOfClass:[NYTVideo class]]) {
        return NO;
    }
    return [self isEqualToVideo:object];
}

- (BOOL)isEqualToVideo:(NYTVideo *)video
{
    return [self.videoID isEqualToString:video.videoID];
}

@end