(function($) {

$.fn.socialbutton = function(service, options) {

	options = options || {};

	var defaults = {
		facebook_like: {
			/*
			 * width=265&colorscheme=light&connections=10&stream=false&header=false&height=300
			 */
			button: 'standard', // standard / button_count / box_count
			url: 'http://www.facebook.com/home.php?ref=logo#!/pages/Lovely-Mariquita/209431889082966',
			encoded: true,

			show_faces: true,
			width: 265, // auto
			height: 300, // auto

			width_standard_default: 450, // orig: 450
			width_standard_minimum: 225,
			height_standard_without_photo: 35,
			height_standard_with_photo: 80,

			width_button_count_default: 120, // orig: 90, jp_min: 114
			width_button_count_minimum: 90,
			height_button_count: 25, // orig:20, jp_min: 21

			width_box_count_default: 80, // orig:55, jp_min: 75
			width_box_count_minimum: 55,
			height_box_count: 70, // orig: 65, jp_min: 66

			action: 'like', // like / recommend
			locale: '', // auto
			font: 'arial',
			colorscheme: 'light' // light / dark
		},
		facebook_share: {
			button: 'button_count', // box_count / button / icon_link / icon
			url: '', //document.URL
			encoded: true,
			text: '' //Share
		}
	};

	var max_index = this.size() - 1;

	return this.each(function(index) {

		switch (service) {
			case 'facebook_like':
				socialbutton_facebook_like(this, options, defaults.facebook_like, index, max_index);
				break;

			default:
				break;
		}

		return true;
	});
}


function socialbutton_facebook_like(target, options, defaults, index, max_index)
{
	var layout = options.layout || options.button || defaults.button;
	var url = options.url || defaults.url;
	var encoded = options.encoded != undefined ? options.encoded : defaults.encoded;

	var show_faces = options.show_faces != undefined ? options.show_faces : defaults.show_faces;
	var width = options.width != undefined ? options.width : defaults.width;
	var height = options.height != undefined ? options.height : defaults.height;
	var action = options.action || defaults.action;
	var locale = options.locale || defaults.locale;
	var font = options.font || defaults.font;
	var colorscheme = options.colorscheme || defaults.colorscheme;

	switch (layout) {
		case 'standard':
			if (width == 0) {
				width = defaults.width_standard_default;
			} else if (width < defaults.width_standard_minimum) {
				width = defaults.width_standard_minimum;
			}
			if (height == 0) {
				height = show_faces ? defaults.height_standard_with_photo : defaults.height_standard_without_photo;
			} else if (height < defaults.height_standard_without_photo) {
				height = defaults.height_standard_without_photo;
			}
			break;
		case 'button_count':
			if (width == 0) {
				width = defaults.width_button_count_default;
			} else if (width < defaults.width_button_count_minimum) {
				width = defaults.width_button_count_minimum;
			}
			if (height == 0) {
				height = defaults.height_button_count;
			} else if (height < defaults.height_button_count) {
				height = defaults.height_button_count;
			}
			break;
		case 'box_count':
			if (width == 0) {
				width = defaults.width_box_count_default;
			} else if (width < defaults.width_box_count_minimum) {
				width = defaults.width_box_count_minimum;
			}
			if (height == 0) {
				height = defaults.height_box_count;
			} else if (height < defaults.height_box_count) {
				height = defaults.height_box_count;
			}
			break;
	}

	var params = merge_parameters({
		'href': encoded ? url : url_encode_rfc3986(url),
		'layout': layout,
		'show_faces': show_faces ? 'true' : 'false',
		'width': width,
		'action': action,
		'locale': locale,
		'font': font,
		'colorscheme': colorscheme,
		'height': height
	});

	var tag = '<iframe src="http://www.facebook.com/plugins/like.php?' + params + '"scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:' + width + 'px; height:' + height + 'px;" allowTransparency="true"></iframe>';

	$(target).html(tag);
}

function socialbutton_facebook_share(target, options, defaults, index, max_index)
{
	var type = options.type || options.button || defaults.button;
	var url = options.url || defaults.url;
	var encoded = options.encoded != undefined ? options.encoded : defaults.encoded;
	var text = options.text || defaults.text;

	var attr = merge_attributes({
		'type': type,
		'share_url': encoded ? url : url_encode(url)
	});

    var tag = '<a name="fb_share"' + attr + '>' + text + '</a>';

    if(index == 0) {
	    tag += '<script type="text/javascript" src="http://static.ak.fbcdn.net/connect.php/js/FB.Share"></script>';
	}

    $(target).html(tag);
}


function build_object_string(options)
{
	var object = '';

	for (var i in options) {
		if (options[i] == '') {
			continue;
		}
		object += object != '' ? ', ' : '';
		object += i + ": '" + options[i].replace("'", "\\'") + "'";
	}

	return '{' + object + '}';
}

function merge_attributes(attr)
{
	var merged = '';

	for (var i in attr) {
		if (attr[i] == '') {
			continue;
		}
		merged += ' ';
		merged += i + '="' + attr[i].replace('"', '\"') + '"';
	}

	return merged;
}

function merge_parameters(params)
{
	var merged = '';

	for (var i in params) {
		if (params[i] == '') {
			continue;
		}
		merged += merged != '' ? '&amp;' : '';
		merged += i + '=' + params[i] + '';
	}

	return merged;
}

function url_encode(url)
{
	return encodeURI(url);
}

function url_encode_rfc2396(url)
{
	return encodeURIComponent(url);
}

function url_encode_rfc3986(url)
{
	return encodeURIComponent(url).replace(/[!*'()]/g, function(p) {
		return "%" + p.charCodeAt(0).toString(16);
	});
}

})(jQuery);