window._emailRegex = /^[a-z0-9]+([-+\.]*[a-z0-9]+)*@[a-z0-9]+([-\.][a-z0-9]+)*$/i;

/** field hinting **/
$(document).ready(function() {
	$("form").each(function() { $(this).hintify() });
});
$.extend(jQuery.expr[":"], {
	textarea: function(a) { return $.nodeName(a, 'textarea'); }
});
$.fn.extend({
	hintify: function() {
		this.submit(function() {
			$("[_hint]", this).each(function() { $(this).removeHint() });
		});

		$(window).unload(function() {
			$("form [_hint]").each(function() { $(this).removeHint() });
		});

		$(":text[title],:textarea[title]", this).filter(":enabled").each(function() { $(this).hint() });

		return this;
	},
	hint: function() {
		var hintText = this.attr("title");
		if (!!hintText && (this.is(":text") || this.is(":textarea"))) {
			this.attr("_hint", hintText);
			this.addHint()
			this.focus(function() { $(this).removeHint(); });
			this.blur(function() { $(this).addHint(); });
		}
		return this;
	},
	addHint: function() {
		if ($.trim(this.val()) === "") {
			this.addClass("hinted");
			this.removeClass("active");
			this.val(this.attr("_hint"));
		} else {
			this.addClass("active");
		}
	},
	removeHint: function() {
		if ($.trim(this.val()) === this.attr("_hint")) {
			this.val("");
			this.removeClass("hinted");
		}
		this.addClass("active");
	}
});

/*** gravatar fetch and alt change ***/
$(document).ready(function() {
	$('#comment_email').blur(function() {
		var email = $(this).val();
		if (email.indexOf("@") > 0 && window._emailRegex.test(email)) {
			$.post(window.computeHashPath, { value: email }, function(emailHash) { if (emailHash && emailHash.length < 50) { $('#comment_grav').changeGravatarSrcTo(emailHash); } });
		} else {
			var emailHash = $('#comment_hashedEmail') ? $('#comment_hashedEmail').val() : "";
			$('#comment_grav').changeGravatarSrcTo(emailHash);
		}
	});
	$('#comment_name').blur(function() {
		$('#comment_grav').changeGravatarAltTo($(this).val());
	});
});
$.fn.extend({
	changeGravatarSrcTo: function(emailHash) {
		var gravatar = $(this).find("img.gravatar");

		var gravatarUrlParts = gravatar.attr("src").split("?");
		var gravatarPathParts = gravatarUrlParts[0].split("/");

		gravatarPathParts[gravatarPathParts.length - 1] = emailHash;

		gravatar.attr("src", gravatarPathParts.join("/") + "?" + gravatarUrlParts[1]);
	},
	changeGravatarAltTo: function(name) {
		var gravatar = $(this).find("img.gravatar");
		if ($.trim(name) !== "") {
			gravatar.attr("title", name + " (gravatar)");
		} else {
			gravatar.attr("title", "(gravatar)");
		}
	}
});

/** username in the login form gets focus on load **/
$(document).ready(function() {
	$("#login_username").focus();
});

/** archives **/
$(document).ready(function() {
	$('.archives ul.yearList li.previous').each(function() {
		$(this).click(function(ev) {
			if (!ev || $(ev.target).not("a").size()) {
				$(this).toggleClass("open");
				$(this).find("h4>span").toggle();
				$(this).children("ul").toggle();
			}
		});

		$(this).hoverClassIfy();
	});
});

/** list item highlighting - just comma seperate additional selectors for now because we like to try to make the browser work **/
$(document).ready(function() {
	$("ul.small li.comment,ul.small li.post,ul.medium li.comment.pendingapproval,ul.medium li.comment.normal").each(function() {
		$(this).hoverClassIfy();
		$(this).clickClassIfy();
	});
});
$.fn.extend({
	hoverClassIfy: function() {
		$(this).mouseover(function() {
			$(this).addClass("hover");
		});

		$(this).mouseout(function() {
			$(this).removeClass("hover");
		});

		return this;
	},
	clickClassIfy: function() {
		$(this).click(function(ev) {
			if (!($(ev.target).is("a"))) {
				$(this).toggleClass("active");
			}
		});
	}
});

/** flags **/
$(document).ready(function() {
	/* removal */
	$("form.remove.post").submit(function() {
		return window.confirm('really?');
	});
	$("form.flag.remove").submit(function() {
		var form = $(this);
		var comment = $(this).offsetParent("li.comment");
		comment.fadeTo(350, .4);
		$.ajax({
			type: "POST",
			url: this.action,
			data: { id: this.id.value, __RequestVerificationToken: this.__RequestVerificationToken.value },
			success: function(response) {
				if (response === "true") {
					comment.animate({ height: 0, opacity: 0, marginTop: 0, marginBottom: 0, paddingTop: 0, paddingBottom: 0 }, 200); form = comment = 0;
				} else {
					this.error();
				}
			},
			error: function() { comment.fadeTo(350, 1); form = comment = 0; }
		});
		return false;
	});
	/* approval */
	$("form.flag.approve").submit(function() {
		var form = $(this);
		var markers = $(".approve,.state", $(this).offsetParent("li.comment"));
		markers.fadeTo(350, .4);
		$.ajax({
			type: "POST",
			url: this.action,
			data: { id: this.id.value, __RequestVerificationToken: this.__RequestVerificationToken.value },
			success: function(response) {
				if (response === "true") {
					markers.hide(200); form = markers = 0;
				} else {
					this.error();
				}
			},
			error: function() { markers.fadeTo(350, 1); form = markers = 0; }
		});
		return false;
	});
	/* removeFile */
	$("form.flag.removeFile").submit(function() {
		var form = $(this);
		var file = $(this).parent("div.manageFile");
		file.fadeTo(350, .4);
		$.ajax({
			type: "POST",
			url: this.action,
			data: { fileUrl: this.fileUrl.value, __RequestVerificationToken: this.__RequestVerificationToken.value },
			success: function(response) {
				if (response === "true") {
					file.hide(200);
				} else {
					this.error();
				}
			},
			error: function() { file.fadeTo(350, 1); form = file = 0; }
		});
		return false;
	});
});

/** highlight anchored element **/
$(document).ready(function() {
	var hash = window.location.hash;
	if (hash) {
		$(hash).each(function() { $(this).highlight() });
	}
});
/* really, really simple implementation. some todos:
- listen to all hashed hrefs on the page so the highlight can change
- make some time to think of other todos :P */
$.fn.extend({
	highlight: function(highlightColor) {
		this.addClass("highlight");
	}
});

/* comment on a comment */
$(document).ready(function() {
	var commentForm = $("form#comment");
	//    $("li.comment").each(function() { $(this).enableReply(commentForm) });
});

$.fn.extend({
	enableReply: function(commentForm) {
		//todo: (nheskew) hook it up!
		$(this).html($(this).html() + " <a href=\"#\">reply</a>");
	}
});