define([
	"underscore",
    "utils",
    "google-helper"
], function(_, utils, googleHelper) {
	
	var PROVIDER_BLOGGER = "blogger";

	var bloggerProvider = {
		providerId: PROVIDER_BLOGGER,
		providerName: "Blogger",
		defaultPublishFormat: "html",
		publishPreferencesInputIds: ["blogger-url"]
	};
	
	bloggerProvider.publish = function(publishAttributes, title, content, callback) {
		googleHelper.uploadBlogger(
			publishAttributes.blogUrl,
			publishAttributes.blogId,
			publishAttributes.postId,
			publishAttributes.labelList,
			title,
			content,
			function(error, blogId, postId) {
				if(error) {
					callback(error);
					return;
				}
				publishAttributes.blogId = blogId;
				publishAttributes.postId = postId;
				callback();
			}
		);
	};
	
	bloggerProvider.newPublishAttributes = function(event) {
		var publishAttributes = {};
		var blogUrl = utils.getInputTextValue("#input-publish-blogger-url", event);
		if(blogUrl !== undefined) {
			publishAttributes.blogUrl = utils.checkUrl(blogUrl);
		}
		publishAttributes.postId = utils.getInputTextValue("#input-publish-postid");
		publishAttributes.labelList = [];
		var labels = utils.getInputTextValue("#input-publish-labels");
		if(labels !== undefined) {
			publishAttributes.labelList = _.chain(
				labels.split(",")
			).map(function(label) {
				return utils.trim(label);
			}).compact().value();
		} 
		if(event.isPropagationStopped()) {
			return undefined;
		}
		return publishAttributes;
	};

	return bloggerProvider;
});