/*jshint bitwise:true, curly:true, devel:true, eqeqeq:true, evil:true, forin:false, noarg:true, noempty:true, nonew:true, undef:true, strict:false, browser:true, jquery:true */

String.prototype.sReplace = function(find, replace) {
	return this.split(find).join(replace);
};

String.prototype.repeat = function(times) {
	var rep = new Array(times + 1);
	return rep.join(this);
};

var YShout = function() {
	var self = this;
	var args = arguments;
	$(document).ready(function() {
		self.init.apply(self, args);
	});
};

var yShout;

YShout.prototype = {
	animSpeed: 300,
	p: [],
		
	init: function(options) {
		yShout = this;
		var self = this;
		
		this.initializing = true;
		
		var dOptions = {
			yPath: 'yshout/',
			log: 1
		};

		this.options = jQuery.extend(dOptions, options);

		this.postNum = 0;
		this.floodAttempt = 0;
		
		// Correct for missing trailing /
		if ((this.options.yPath.length > 0) && (this.options.yPath.charAt(this.options.yPath.length - 1) !== '/')) {
			this.options.yPath += '/';
		}
		
		if (this.options.yLink) {
			if (this.options.yLink.charAt(0) !== '#') {
				this.options.yLink = '#' + this.options.yLink;
			}
		
			$(this.options.yLink).click(function() {
				self.openYShout.apply(self);
				return false;
			});
		}
		
		// Load YShout from a link, in-page
		if (this.options.h_loadlink) {
			$(this.options.h_loadlink).click(function() {
				$('#yshout').css('display', 'block');
				$(this).unbind('click').click(function() { return false; });
				return false;
			});
			this.load(true);
		} else {
			this.load();
		}
	},
	
	load: function(hidden) {
		if ($('#yshout').length === 0) { return; }

		if (hidden) { $('#yshout').css('display', 'none'); }

		this.ajax(this.initialLoad, { 
			reqType: 'init',
			yPath: this.options.yPath,
			log: this.options.log
		});
	},
	
	initialLoad: function(updates) {
		
		if (updates.yError) {
			alert('There appears to be a problem: \n' + updates.yError + '\n\nIf you haven\'t already, try chmodding everything inside the YShout directory to 777.');
		}

		var self = this;

		this.prefs = jQuery.extend(updates.prefs, this.options.prefs);
		this.initForm();
		this.initRefresh();
		this.initLinks();
		if (this.prefs.flood) { this.initFlood(); }

		if (updates.nickname) {
			$('#ys-input-nickname')
				.removeClass('ys-before-focus')
				.addClass( 'ys-after-focus')
				.val(updates.nickname);
		}

		if (updates) {
			this.updates(updates);
		}
		
		if (!this.prefs.doTruncate) {
			$('#ys-posts').css('height', $('#ys-posts').height + 'px');
		}

		if (!this.prefs.inverse) {
			var postsDiv = $('#ys-posts')[0];
			postsDiv.scrollTop = postsDiv.scrollHeight;
		}

		this.markEnds();
		
		this.initializing = false;
	},

	initForm: function() {
		this.d('In initForm');

		var postForm = 
			'<form id="ys-post-form"' + (this.prefs.inverse ? 'class="ys-inverse"' : '' ) + '><fieldset>' +
				'<input id="ys-input-nickname" value="' + nickname + '" type="hidden" accesskey="N" maxlength="' + this.prefs.nicknameLength + '" class="ys-before-focus" />' +
				'<input id="ys-input-message" value="' + this.prefs.defaultMessage + '" type="text" accesskey="M" maxlength="' + this.prefs.messageLength + '" class="ys-before-focus" />' +
				(this.prefs.showSubmit ? '<input id="ys-input-submit" value="' + this.prefs.defaultSubmit + '" accesskey="S" type="submit" />' : '') +
				(this.prefs.postFormLink === 'cp' ? '<a title="View YShout Control Panel" class="ys-post-form-link" id="ys-cp-link" href="' + this.options.yPath + 'cp/index.php">Admin CP</a>' : '') +
				(this.prefs.postFormLink === 'history' ? '<a title="View YShout History" class="ys-post-form-link" id="ys-history-link" href="' + this.options.yPath + 'history/index.php?log=' + this.options.log + '">View History</a>' : '') +
			'</fieldset></form>';

		var postsDiv = '<div id="ys-posts"></div>';

		if (this.prefs.inverse) { $('#yshout').html(postForm + postsDiv); }
		else { $('#yshout').html(postsDiv + postForm); }
		
		$('#ys-posts')
			.before('<div id="ys-before-posts"></div>')
			.after('<div id="ys-after-posts"></div>');
		
		$('#ys-post-form')
			.before('<div id="ys-before-post-form"></div>')
			.after('<div id="ys-after-post-form"></div>');
		
		var self = this;

		var defaults = { 
			'ys-input-nickname': self.prefs.defaultNickname, 
			'ys-input-message': self.prefs.defaultMessage
		};

		var keypress = function(e) { 
			var key = window.event ? e.keyCode : e.which; 
			if (key === 13 || key === 3) {
				self.send.apply(self);
				return false;
			}
		};

		var focus = function() { 
			if (this.value === defaults[this.id]) {
				$(this).removeClass('ys-before-focus').addClass( 'ys-after-focus').val('');
			}
		};

		var blur = function() { 
			if (this.value === '') {
				$(this).removeClass('ys-after-focus').addClass('ys-before-focus').val(defaults[this.id]);
			}
		};

		$('#ys-input-message').keypress(keypress).focus(focus).blur(blur);
		$('#ys-input-nickname').keypress(keypress).focus(focus).blur(blur);

		$('#ys-input-submit').click(function(){ self.send.apply(self); });
		$('#ys-post-form').submit(function(){ return false; });
	},

	initRefresh: function() {
		var self = this;
		if (this.refreshTimer) { clearInterval(this.refreshTimer); }

		this.refreshTimer = setInterval(function() {
			self.ajax(self.updates, { reqType: 'refresh' });
		}, this.prefs.refresh); // ! 3000..?
	},

	initFlood: function() {
		this.d('in initFlood');
		var self = this;
		this.floodCount = 0;
		this.floodControl = false;

		this.floodTimer = setInterval(function() {
			self.floodCount = 0;
		}, this.prefs.floodTimeout);
	},

	initLinks: function() {
		if ($.browser.msie) { return; }
		
		var self = this;

		$('#ys-cp-link').click(function() {
			self.openCP.apply(self);
			return false;
		});

		$('#ys-history-link').click(function() {
			self.openHistory.apply(self);
			return false;
		});

	},
	
	openCP: function() {
		var self = this;
		if (this.cpOpen) { return; }
		this.cpOpen = true;
		
		var url = this.options.yPath + 'cp/index.php';

		$('body').append('<div id="ys-overlay"></div><div class="ys-window" id="ys-cp"><a title="Close Admin CP" href="#" id="ys-closeoverlay-link">Close</a><a title="View History" href="#" id="ys-switchoverlay-link">View History</a><object class="ys-browser" id="cp-browser" data="' + url +'" type="text/html">Something went horribly wrong.</object></div>');

		$('#ys-overlay, #ys-closeoverlay-link').click(function() { 
			self.reload.apply(self, [true]);
			self.closeCP.apply(self);
			return false; 
		}); 
		
		$('#ys-switchoverlay-link').click(function() { 
			self.closeCP.apply(self);
			self.openHistory.apply(self);
			return false;
		});

	},

	closeCP: function() {
		this.cpOpen = false;
		$('#ys-overlay, #ys-cp').remove();
	},

	openHistory: function() {
		var self = this;
		if (this.hOpen) { return; }
		this.hOpen = true;
		var url = this.options.yPath + 'history/index.php?log='+ this.options.log;
		$('body').append('<div id="ys-overlay"></div><div class="ys-window" id="ys-history"><a title="Close history" href="#" id="ys-closeoverlay-link">Close</a><a title="View Admin CP" href="#" id="ys-switchoverlay-link">View Admin CP</a><object class="ys-browser" id="history-browser" data="' + url +'" type="text/html">Something went horribly wrong.</object></div>');

		$('#ys-overlay, #ys-closeoverlay-link').click(function() { 
			self.reload.apply(self, [true]);
			self.closeHistory.apply(self);
			return false; 
		}); 

		$('#ys-switchoverlay-link').click(function() { 
			self.closeHistory.apply(self);
			self.openCP.apply(self);
			return false;
		});

	},

	closeHistory: function() {
		this.hOpen = false;
		$('#ys-overlay, #ys-history').remove();
	},
	
	openYShout: function() {
		var self = this;
		if (this.ysOpen) { return; }
		this.ysOpen = true;
		var url = this.options.yPath + 'example/yshout.html';

		$('body').append('<div id="ys-overlay"></div><div class="ys-window" id="ys-yshout"><a title="Close YShout" href="#" id="ys-closeoverlay-link">Close</a><object class="ys-browser" id="yshout-browser" data="' + url +'" type="text/html">Something went horribly wrong.</object></div>');
	
		$('#ys-overlay, #ys-closeoverlay-link').click(function() { 
			self.reload.apply(self, [true]);
			self.closeYShout.apply(self);
			return false; 
		}); 
	},

	closeYShout: function() {
		this.ysOpen = false;
		$('#ys-overlay, #ys-yshout').remove();
	},
	
	send: function() {
		if (!this.validate()) { return; }
		if (this.prefs.flood && this.floodControl) { return; }

		var  postNickname = $('#ys-input-nickname').val(), postMessage = $('#ys-input-message').val();

		if (postMessage === '/cp') {
			this.openCP();
		} else if (postMessage === '/history') {
			this.openHistory();
		} else {
			this.ajax(this.updates, {
				reqType: 'post',
				nickname: postNickname,
				message: postMessage
			});
		}

		$('#ys-input-message').val('');

		if (this.prefs.flood) { this.flood(); }
	},

	validate: function() {
		var nickname = $('#ys-input-nickname').val(),
				message = $('#ys-input-message').val(),
				error = false;

		var showInvalid = function(input) {
			$(input).removeClass('ys-input-valid').addClass('ys-input-invalid')[0].focus();
			error = true;
		};

		var showValid = function(input) {
			$(input).removeClass('ys-input-invalid').addClass('ys-input-valid');
		};

		if (nickname === '' ||	nickname === this.prefs.defaultNickname) {
			showInvalid('#ys-input-nickname');
		} else {
			showValid('#ys-input-nickname');
		}

		if (message === '' || message === this.prefs.defaultMessage) {
			showInvalid('#ys-input-message');
		} else {
			showValid('#ys-input-message');
		}

		return !error;
	},

	flood: function() {
		var self = this;
		this.d('in flood');
		if (this.floodCount < this.prefs.floodMessages) {
			this.floodCount++;
			return;
		}

		this.floodAttempt++;
		this.disable();

		if (this.floodAttempt === this.prefs.autobanFlood) {
			this.banSelf('You have been banned for flooding the shoutbox!');
		}
			
		setTimeout(function() {
			self.floodCount = 0;
			self.enable.apply(self);
		}, this.prefs.floodDisable);
	},

	disable: function () {
		$('#ys-input-submit')[0].disabled = true;
		this.floodControl = true;
	},

	enable: function () {
		$('#ys-input-submit')[0].disabled = false;
		this.floodControl = false;
	},
	
	findBySame: function(ip) {
		if (!$.browser.safari) {return;}
		
		var same = [];

		for (var i = 0; i < this.p.length; i++) {
			if (this.p[i].adminInfo.ip === ip) {
				same.push(this.p[i]);
			}
		}

		for (var j = 0; j < same.length; j++) {
			$('#' + same[j].id).fadeTo(this.animSpeed, 0.8).fadeTo(this.animSpeed, 1);
		}
	},
	
	updates: function(updates) {
		if (!updates) {return;}
		if (updates.prefs) {this.prefs = updates.prefs;}
		if (updates.posts) {this.posts(updates.posts);}
		if (updates.banned) {this.banned();}
	},

	banned: function() {
		var self = this;
		clearInterval(this.refreshTimer);
		clearInterval(this.floodTimer);
		if (this.initializing) {
			$('#ys-post-form').css('display', 'none');
		} else {
			$('#ys-post-form').fadeOut(this.animSpeed);
		}

		if ($('#ys-banned').length === 0) {
			$('#ys-input-message')[0].blur();
			$('#ys-posts').append('<div id="ys-banned"><span>You\'re banned. Click <a href="#" id="ys-unban-self">here</a> to unban yourself if you\'re an admin. If you\'re not, go <a href="' + this.options.yPath + 'cp/index.php" id="ys-banned-cp-link">log in</a>!</span></div>');

			$('#ys-banned-cp-link').click(function() {
				self.openCP.apply(self);
				return false;
			});
			
			$('#ys-unban-self').click(function() {
				self.ajax(function(json) {
					if (!json.error) {
						self.unbanned();
					} else if (json.error === 'admin') {
						alert('You can only unban yourself if you\'re an admin.');
					}
				}, { reqType: 'unbanself' });
				return false;
			});
		}
	},

	unbanned: function() {
		var self = this;
		$('#ys-banned').fadeOut(function() { $(this).remove(); });
		this.initRefresh();
		$('#ys-post-form').css('display', 'block').fadeIn(this.animSpeed, function(){
			self.reload();
		});
	},
	
	posts: function(p) {
		for (var i = 0; i < p.length; i++) {
			this.post(p[i]);
		}
		
		this.truncate();
		
		if (!this.prefs.inverse) {
			var postsDiv = $('#ys-posts')[0];
			postsDiv.scrollTop = postsDiv.scrollHeight;
		}
	},

	post: function(post) {
		var self = this;
	
		var pad = function(n) { return n > 9 ? n : '0' + n; };
		var date = function(ts) { return new Date(ts * 1000); };
		var time = function(ts) { 
			var d = date(ts);
			var h = d.getHours(), m = d.getMinutes();

			if (self.prefs.timestamp === 12) {
				h = (h > 12 ? h - 12 : h);
				if (h === 0) { h = 12; }
			}

			return pad(h) + ':' + pad(m);
		};

		var dateStr = function(ts) {
			var t = date(ts);

			var Y = t.getFullYear();
			var M = t.getMonth();
			var D = t.getDay();
			var d = t.getDate();
			var day = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][D];
			var mon = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
						'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'][M];

			return day + ' ' + mon + '. ' + d + ', ' + Y;
		};

		var self = this;

		this.postNum++;
		var id = 'ys-post-' + this.postNum;
		post.id = id;
		
		post.message = this.links(post.message);
		post.message = this.smileys(post.message);
		post.message = this.bbcode(post.message);
		var html = 
			'<div id="' + id + '" class="ys-post' + (post.admin ? ' ys-admin-post' : '') + (post.banned ? ' ys-banned-post' : '') + '">' +
				(this.prefs.timestamp> 0 ? '<span class="ys-post-timestamp">' + time(post.timestamp) + '</span> ' : '') +
				'<span class="ys-post-nickname">' + post.nickname + this.prefs.nicknameSeparator + '</span> ' +
				'<span class="ys-post-message">' + post.message + '</span> ' +
				'<span class="ys-post-info' + (this.prefs.info === 'overlay' ? ' ys-info-overlay' : ' ys-info-inline') + '">' + (post.adminInfo ? '<em>IP:</em> ' + post.adminInfo.ip + ', ' : '') + '<em>Posted:</em> ' + dateStr(post.timestamp) + ' at ' + time(post.timestamp)  + '.</span>' +
				'<span class="ys-post-actions"><a title="Show post information" class="ys-info-link" href="#">Info</a>'  + (post.adminInfo ? ' | <a title="Delete post" class="ys-delete-link" href="#">Delete</a> | ' + (post.banned ? '<a title="Unban user" class="ys-ban-link" href="#">Unban</a>' : '<a title="Ban user" class="ys-ban-link" href="#">Ban</a>') : '') + '</span>' +
			'</div>';
		if (this.prefs.inverse) { $('#ys-posts').prepend(html); }
		else { $('#ys-posts').append(html); }
		
		this.p.push(post);

		$('#' + id)
			.find('.ys-post-nickname').click(function() {
				if (post.adminInfo) {
					self.findBySame(post.adminInfo.ip);
				}
			}).end()
			.find('.ys-info-link').toggle(
				function() { self.showInfo.apply(self, [id, this]); return false; },
				function() { self.hideInfo.apply(self, [id, this]); return false; })
			.end()
			.find('.ys-ban-link').click(
				function() { self.ban.apply(self, [post, id]); return false; })
			.end()
			.find('.ys-delete-link').click(
				function() { self.del.apply(self, [post, id]); return false; });
			
	},
	
	showInfo: function(id, el) {
		var jEl = $('#' + id + ' .ys-post-info');
		if (this.prefs.info === 'overlay') {
			jEl.css('display', 'block').fadeIn(this.animSpeed);
		} else {
			jEl.slideDown(this.animSpeed);
		}
		
		el.innerHTML = 'Close Info';
		return false;
	},
	
	hideInfo: function(id, el) {
		var jEl = $('#' + id + ' .ys-post-info');
		if (this.prefs.info === 'overlay') {
			jEl.fadeOut(this.animSpeed);
		} else {
			jEl.slideUp(this.animSpeed);
		}

		el.innerHTML = 'Info';
		return false;
	}, 
	
	ban: function(post, id) {
		var self = this;

		var link = $('#' + id).find('.ys-ban-link')[0];

		switch(link.innerHTML) {
			case 'Ban':
				var pars = {
					reqType: 'ban',
					ip: post.adminInfo.ip,
					nickname: post.nickname
				};

				this.ajax(function(json) {
					if (json.error) {
						switch (json.error) {
							case 'admin':
								self.error('You\'re not an admin. Log in through the Admin CP to ban people.');
								break;
						}
						return;
					}
					//alert('p: ' + this.p + ' / ' + this.p.length);
					if (json.bannedSelf) {
						self.banned(); // ?
					} else {
						$.each(self.p, function(i) {
							if (this.adminInfo && this.adminInfo.ip === post.adminInfo.ip) {
									$('#' + this.id)
										.addClass('ys-banned-post')
										.find('.ys-ban-link').html('Unban');
							}
						});
					}
				}, pars);
				
				link.innerHTML = 'Banning...';
				return false;
			
			case 'Banning...':
				return false;
			
			case 'Unban':
				var pars = {
					reqType: 'unban',
					ip: post.adminInfo.ip
				};
	
				this.ajax(function(json) {
					if (json.error) {
						switch(json.error) {
							case 'admin':
								self.error('You\'re not an admin. Log in through the Admin CP to unban people.');
								return;
						}
					}
					
					$.each(self.p, function(i) {
						if (this.adminInfo && this.adminInfo.ip === post.adminInfo.ip) {
							$('#' + this.id)
								.removeClass('ys-banned-post')
								.find('.ys-ban-link').html('Ban');
						}
					});
					
				}, pars);
	
				link.innerHTML = 'Unbanning...';
				return false;
				
			case 'Unbanning...':
				return false;
		}
	},
	
	del: function(post, id) {
		var self = this;
		var link = $('#' + id).find('.ys-delete-link')[0];

		if (link.innerHTML === 'Deleting...') { return; }
	
		var pars = {
			reqType: 'delete',
			uid: post.uid
		};

		self.ajax(function(json) {
			if (json.error) {
				switch(json.error) {
					case 'admin':
						self.error('You\'re not an admin. Log in through the Admin CP to ban people.');
						return;
				}
			}
			self.reload();
		}, pars);

		link.innerHTML = 'Deleting...';
		return false;
	},
	
	banSelf: function(reason) {
		var self = this;

		this.ajax(function(json) {
			if (json.error === false) {
				self.banned();
			}
		}, {
			reqType: 'banself',
			nickname: $('#ys-input-nickname').val() 
		});
	},

	bbcode: function(s) {
		s = s.sReplace('[i]', '<i>');
		s = s.sReplace('[/i]', '</i>');
		s = s.sReplace('[I]', '<i>');
		s = s.sReplace('[/I]', '</i>');

		s = s.sReplace('[b]', '<b>');
		s = s.sReplace('[/b]', '</b>');
		s = s.sReplace('[B]', '<b>');
		s = s.sReplace('[/B]', '</b>');

		s = s.sReplace('[u]', '<u>');
		s = s.sReplace('[/u]', '</u>');
		s = s.sReplace('[U]', '<u>');
		s = s.sReplace('[/U]', '</u>');

		return s;
	},
	
	smileys: function(s) {
		var yp = this.options.yPath;
		
		var smile = function(str, smiley, image) {
			return str.sReplace(smiley, '<img src="' + yp + 'smileys/' + image + '" />');
		};

		s = smile(s, ':twisted:',  'twisted.gif');
		s = smile(s, ':cry:',  'cry.gif');
		s = smile(s, ':\'(',  'cry.gif');
		s = smile(s, ':shock:',  'eek.gif');
		s = smile(s, ':evil:',  'evil.gif');
		s = smile(s, ':lol:',  'lol.gif');
		s = smile(s, ':mrgreen:',  'mrgreen.gif');
		s = smile(s, ':oops:',  'redface.gif');
		s = smile(s, ':roll:',  'rolleyes.gif');

		s = smile(s, ':?',  'confused.gif');
		s = smile(s, ':D',  'biggrin.gif');
		s = smile(s, '8)',  'cool.gif');
		s = smile(s, ':x',  'mad.gif');
		s = smile(s, ':|',  'neutral.gif');
		s = smile(s, ':P',  'razz.gif');
		s = smile(s, ':(',  'sad.gif');
		s = smile(s, ':)',  'smile.gif');
		s = smile(s, ':o',  'surprised.gif');
		s = smile(s, ';)',  'wink.gif');

		return s;
	},

	links: function(s) {
		return s.replace(/((https|http|ftp|ed2k):\/\/[\S]+)/gi, '<a  href="$1" target="_blank">$1</a>');
	},

	truncate: function(clearAll) {
		var truncateTo = clearAll ? 0 : this.prefs.truncate;
		var posts = $('#ys-posts .ys-post').length;
		if (posts <= truncateTo) { return; }
		//alert(this.initializing);
		if (this.prefs.doTruncate || this.initializing) {
			var diff = posts - truncateTo;
			for (var i = 0; i < diff; i++) {
				this.p.shift();
			}
			
			//	$('#ys-posts .ys-post:gt(' + truncateTo + ')').remove();

			if (this.prefs.inverse) {
				$('#ys-posts .ys-post:gt(' + (truncateTo - 1) + ')').remove();
			} else {
				$('#ys-posts .ys-post:lt(' + (posts - truncateTo) + ')').remove();
			}
		}
		
		this.markEnds();
	},
	
	markEnds: function() {
		$('#ys-posts')
			.find('.ys-first').removeClass('ys-first').end()
			.find('.ys-last').removeClass('ys-last');
			
		$('#ys-posts .ys-post:first-child').addClass('ys-first');
		$('#ys-posts .ys-post:last-child').addClass('ys-last');
	},
	
	reload: function(everything) {
		var self = this;
		this.initializing = true;
	
		if (everything) {
			this.ajax(function(json) { 
				$('#yshout').html(''); 
				clearInterval(this.refreshTimer);
				clearInterval(this.floodTimer);
				this.initialLoad(json); 
			}, { 
				reqType: 'init',
				yPath: this.options.yPath,
				log: this.options.log
			});
		} else {
			this.ajax(function(json) { this.truncate(true); this.updates(json); this.initializing = false; }, {
				reqType: 'reload'
			});
		}
	},

	error: function(str) {
		alert(str);
	},

	json: function(parse) {
		this.d('In json: ' + parse);
		var json = eval('(' + parse + ')');
		if (!this.checkError(json)) { return json; }
	},

	checkError: function(json) {
		if (!json.yError) { return false; }

		this.d('Error: ' + json.yError);
		return true;
	},

	ajax: function(callback, pars, html) {
		pars = jQuery.extend({
			reqFor: 'shout'
		}, pars);

		var self = this;

		$.ajax({
			type: 'POST',
			url: this.options.yPath + 'yshout.php',
			dataType: html ? 'text' : 'json',
			data: pars,
			success: function(parse) {
					var arr = [parse];
					callback.apply(self, arr);
			}
		});
	},

	d: function(message) {
	//	console.log(message);
		$('#debug').css('display', 'block').prepend('<p>' + message + '</p>');
		return message;
	}
};