/*****************************************
 * Flickr API (in jQuery)
 * version: 1.0 (02/23/2009)
 * written for jQuery 1.3.2
 * by Ryan Heath (http://rpheath.com)
 *****************************************/
(function($) {
	// core extensions
	$.extend({
		// determines if an object is empty
		// $.isEmpty({})             // => true
		// $.isEmpty({user: 'rph'})  // => false
		isEmpty: function(obj) {
			for (var i in obj) { return false }
			return true
		}
	})
  
	// base flickr object
	$.flickr = {
		// the actual request url
		// (constructs extra params as they come in)
		url: function(method, params) {
			return 'http://api.flickr.com/services/rest/?method=' + method + '&format=json' +
			'&api_key=' + $.flickr.settings.api_key + ($.isEmpty(params) ? '' : '&' + $.param(params)) + '&jsoncallback=?'
		},
		// translate plugin image sizes to flickr sizes
		translate: function(size) {
			switch(size) {
				case 'sq': return '_s' // square
				case 't' : return '_t' // thumbnail
				case 's' : return '_m' // small
				case 'm' : return ''   // medium
				default  : return ''   // medium
			}
		},
		// determines what to do with the links
		linkTag: function(text, photo, href) {
			if (href === undefined) href = ['http://www.flickr.com/photos', photo.owner, photo.id].join('/')      
			return '<a href="' + href + '" title="' + photo.title + '">' + text + '</a>'
		}
	}
	
	// helper methods for thumbnails
	$.flickr.thumbnail = {
		src: function(photo, size) {
			if (size === undefined) size = $.flickr.translate($.flickr.settings.thumbnail_size)
				return 'http://farm' + photo.farm + '.static.flickr.com/' + photo.server + 
				'/' + photo.id + '_' + photo.secret + size + '.jpg'
		},
		imageTag: function(image) {
			return '<img src="' + image.src + '" alt="' + image.alt + '" />'
		}
	}
  
	// accepts a series of photos and constructs
	// the thumbnails that link back to Flickr
	$.flickr.thumbnail.process = function(photos) {
		var thumbnails = $.map(photos.photo, function(photo) {
			var image = new Image(), html = '', href = undefined
			
			image.src = $.flickr.thumbnail.src(photo)
			image.alt = photo.title
			
			var size = $.flickr.settings.link_to_size
			if (size != undefined && size.match(/sq|t|s|m|o/)){ 
				href = $.flickr.thumbnail.src(photo, $.flickr.translate(size))
			}
			html = $.flickr.linkTag($.flickr.thumbnail.imageTag(image), photo, href)
			
			return ['<li>' + html + '</li>']
		}).join("\n")
		
		return $('<ul class="flickr"></ul>').append(thumbnails)
	}
	
	// handles requesting and thumbnailing photos
	$.flickr.photos = function(method, options) {
		var options = $.extend($.flickr.settings, options || {}),
		elements = $.flickr.self, photos
		
		return elements.each(function() {
			$.getJSON($.flickr.url(method, options), function(data) {
				photos = (data.photos === undefined ? data.photoset : data.photos)
				elements.append($.flickr.thumbnail.process(photos))
			})
		})
	}
  
	// namespace to hold available API methods
	// note: options available to each method match that of Flickr's docs
	$.flickr.methods = {
		// http://www.flickr.com/services/api/flickr.photos.getRecent.html
		photosGetRecent: function(options) {
			$.flickr.photos('flickr.photos.getRecent', options)
		},
		// http://www.flickr.com/services/api/flickr.photos.getContactsPublicPhotos.html
		photosGetContactsPublicPhotos: function(options) {
			$.flickr.photos('flickr.photos.getContactsPublicPhotos', options)
		},
		// http://www.flickr.com/services/api/flickr.photos.search.html
		photosSearch: function(options) {
			$.flickr.photos('flickr.photos.search', options)
		},
		// http://www.flickr.com/services/api/flickr.photosets.getPhotos.html
		photosetsGetPhotos: function(options) {
			$.flickr.photos('flickr.photosets.getPhotos', options)
		}
	}
  
	// the plugin
	$.fn.flickr = function(options) {
		$.flickr.self = $(this)
		
		// base configuration
		$.flickr.settings = $.extend({
			api_key: '0ef6fbc1c8365e485bff97f86933fe87',
			thumbnail_size: 'sq',
			link_to_size: '5'
		}, options || {})
		
		return $.flickr.methods
	}
})(jQuery);


jQuery(function() {
	var config = {};
	jQuery('#flickr').flickr(config).photosSearch({user_id: '30815241@N03', per_page: 3})
})