//  Busca  //
busca_results_paginacao_automatica_interval_cancel = function () {
	try { clearInterval(busca_results_paginacao_automatica_interval); } catch (e) {}
}

busca_results_paginacao_automatica_interval_set = function () {
	busca_results_paginacao_automatica_interval_cancel();

	busca_results_paginacao_automatica_interval = setInterval(function () {
		try {
			var paginacao = $j(".conteudo.busca .results .paginacao"),
				links = paginacao.find("a"),
				maior = 0,
				atual = 0,

				paginacao_height = paginacao.height(),
				paginacao_position_top = paginacao.position().top,

				document_scroll_top = $j(document).scrollTop(),
				window_height = $j(window).height(),

				diff = 150;

			if (paginacao_position_top + paginacao_height - diff <= document_scroll_top + window_height) {
				links.each(function (index, element) {
					var link = $j(element),
						x = link.attr("href").split(/[^\d]+/),
						x = parseInt(x[x.length-1]);

					if (x > maior) maior = x;
					if (link.hasClass("atual")) atual = x;
				});

				if (maior > atual) {
					busca_results_load(atual + 1);
				}
			}
		} catch (e) {}
	}, 1000);
}

busca_results_load = function (pagina) {
	var form = $j(".conteudo.busca form"),
		results = form.find(".results"),
		paginacao = results.find(".paginacao");

	try { busca_results_load_XMLHTTP.abort(); } catch (e) {}

	busca_results_load_XMLHTTP = $j.ajax({
		type: form.attr("method"),
		url: "http://www.shoptrans.com.br/antigo/busca-results.php",
		data: form.serialize() + "&pagina=" + pagina,
		dataType: "html",
		beforeSend: function () {
			$j.each([results, paginacao], function () { $j(this).addClass("loading"); });

			busca_results_paginacao_automatica_interval_cancel();
		},
		error: function () {
			$j.each([results, paginacao], function () { $j(this).removeClass("loading"); });

			busca_results_paginacao_automatica_interval_set();
		},
		success: function (HTML) {
			if (pagina > 1) paginacao.before(HTML).remove();
			else results.html(HTML);

			busca_interface_atualiza();

			$j.each([results, paginacao], function () { $j(this).removeClass("loading"); });

			busca_results_paginacao_automatica_interval_set();
		}
	});
}

busca_categoria_select_load = function () {
	var form = $j(".conteudo.busca form"),
		categoria_select = form.find(".categoria-select"),
		select = categoria_select.find(".select");

	try { busca_categoria_select_load_XMLHTTP.abort(); } catch (e) {}

	busca_categoria_select_load_XMLHTTP = $j.ajax({
		type: form.attr("method"),
		url: "http://www.shoptrans.com.br/antigo/busca-categoria-select.php",
		data: form.serialize(),
		dataType: "html",
		beforeSend: function () {
			select.addClass("loading");
		},
		error: function () {
			select.removeClass("loading");

			busca_categoria_select_load();
		},
		success: function (HTML) {
			categoria_select.html(HTML);

			select.removeClass("loading");

			busca_interface_atualiza();
		}
	});
}

busca_interface_inicializa = function () {
	var form = $j(".conteudo.busca form"),
		secoes = form.find(".secoes a"),
		mes = form.find("input[name=mes]"),
		categoria = form.find("input[name=categoria]"),
		secao = form.find("input[name=secao]"),
		order_by = form.find("input[name=order-by]");

	form.unbind("submit").bind("submit", function () {
		busca_results_load(1);

		return false;
	});

	secoes.unbind("click").bind("click", function () {
		var link = $j(this),
			novo = link.attr("href").split("/");

		secoes.removeClass("selected");
		link.addClass("selected");
		secao.val(novo[3]);

		categoria.val("");

		form.submit();

		busca_categoria_select_load();

		return false;
	});

	$j.each([mes], function () { $j(this).unbind("change").bind("change", function () { form.submit(); }); });

	order_by.unbind("change").bind("change", function () {
		form.submit();
	});

	busca_interface_atualiza();
}

busca_interface_atualiza = function () {
	var busca = $j(".conteudo.busca"),
		title = busca.find(".title"),
		form = busca.find("form"),
		categoria = form.find("input[name=categoria]"),
		results = form.find(".results"),
		paginacao = results.find(".paginacao"),
		paginas = paginacao.find("a");

	categoria.unbind("change").bind("change", function () { form.submit(); });

	paginas.unbind("click").bind("click", function () {
		var link = $j(this),
			slices = link.attr("href").split("/pagina/");

		try { busca_results_load_XMLHTTP.abort(); } catch (e) {}

		busca_results_load_XMLHTTP = $j.ajax({
			type: form.attr("method"),
			url: "http://www.shoptrans.com.br/antigo/busca-results.php",
			data: form.serialize() + "&pagina=" + slices[slices.length-1],
			dataType: "html",
			beforeSend: function () {
				$j.each([results, paginacao], function () { $j(this).addClass("loading"); });

				busca_results_paginacao_automatica_interval_cancel();
			},
			error: function () {
				$j.each([results, paginacao], function () { $j(this).removeClass("loading"); });

				busca_results_paginacao_automatica_interval_set();
			},
			success: function (HTML) {
				results.html(HTML);

				busca_interface_atualiza();

				$j(document).scrollTop(title.position().top);

				$j.each([results, paginacao], function () { $j(this).removeClass("loading"); });

				busca_results_paginacao_automatica_interval_set();
			}
		});

		return false;
	});

	selects_interface_atualiza();
}

$j(document).ready(function () {
	busca_interface_inicializa();

	busca_results_paginacao_automatica_interval_set();
});
//  =====  //