/******************************************

  Flickr Javascript Library, alpha 1
  
  Copyright (c) 2008 Kyle Meyer (kylemeyer.com)
  Dual licensed under the MIT (MIT-LICENSE.txt)
  and GPL (GPL-LICENSE.txt) licenses.
  Last updated November, 2008

******************************************/

// Your Flickr API key goes here.
// Don't have one? Get one at http://www.flickr.com/services/api/keys/apply/
var api = "2ee1829d2354a3f09c6ef9316acb94ba";


var Flickr = {
	base_url: '',
	api_key: '',
	here: '',
	size: '',
	quantity: 0,
	
	init: function() {
		this.api_key = api;
		this.base_url = "http://api.flickr.com/services/rest/?method=";
		this.load();
	},
	
	load: function() {		
		$.getJSON(this.request("flickr.test.echo"),
			function(data){
				if (data.stat == "ok") {
					return true;
				} else {
					alert("Invalid Flickr API key\n\nDid you enter your key in Flickr.js?");
				}
			}
		);
	},
	
	request: function(method, parameters) {
		var params = '';
		if (parameters) {
			for (param in parameters) {
				switch(param) {
					case "username":
						params += "&" + "user_id=" + this.username(parameters[param]);
						break;
					case "size":
						switch(parameters[param]) {
							case "small":
								this.size = "t";
								break;
							case "medium":
								this.size = "";
								break;
							case "large":
								this.size = "b";
								break;
							case "thumbnail":
								this.size = "s";
								break;
							case "original":
								params += "&extras=original_format";
								this.size = "o";
								break;
						}
						break;
					case "quantity":
						this.quantity = parameters[param];
						break;
					case "target":
						this.here = parameters[param];
						break;
					default:
						params += "&" + param + "=" + parameters[param];
				}
				
			}
		}
		return this.base_url + method + "&api_key=" + this.api_key + params + "&per_page=500&format=json&jsoncallback=?";
	},
	
	username: function(username) {
		var params = {user_id: username};
		$.getJSON(this.request("flickr.people.findByUsername", params),
			function(data){
				alert(data.user.id);
			}
		);
	},
	
	search: function(parameters) {
		$.getJSON(this.request("flickr.photos.search", parameters), 
			function(data){
				return data;
			}
		);
	},
	
	random: function(parameters, target) {
		this.here = target;
		$.getJSON(this.request("flickr.photos.search", parameters), 
			function(data){
				var used = [];
				for(var i=0; i < Flickr.quantity; i++) {
					do {
						var num = Math.floor(Math.random() * parseInt(data.photos.total));
						for(var j=0; j<=i; j++) {
							if (used[j] == num) {
								break;
							}
						}
					} while (false);
					used[i] = num;
					
					Flickr.url(data.photos.photo[num]);
				}
			}
		);
	},
	
	url: function(photo) {
		this.photo_url = "http://farm";
		this.photo_url += photo.farm;
		this.photo_url += ".static.flickr.com/";
		this.photo_url += photo.server;
		this.photo_url += "/" + photo.id + "_";
		this.photo_url += (this.size == "o" ? photo.originalsecret : photo.secret);
		this.photo_url += (this.size ? "_" + this.size : "");
		this.photo_url += (this.size == "o" ? "." + photo.originalformat : ".jpg");
		
		this.photo_title = photo.title;
		
		this.link(photo);		
	},
	link: function(photo) {
		this.photo_page_url = "http://www.flickr.com/photos/" + photo.owner + "/" + photo.id;
		
		this.target != '' ? this.to() : alert("Flickrror: You have no specified a target.");
	},
	
	to: function() {
		$("<img src='" + this.photo_url + "' />")
		.appendTo(this.here)
		.wrap("<div class='flickr-img'></div>")
		.wrap("<a href='" + this.photo_page_url + "' title='" + this.photo_title + "'></a>")
		.hide()
		.fadeIn(3000);
	},
		
	
	latest: function(parameters) {
				
		$.getJSON(this.request("flickr.photos.search", parameters), 
			function(data){				
				for(var i=0; i < Flickr.quantity; i++) {
					Flickr.url(data.photos.photo[i]);
				}
		});
	}
}
Flickr.init();