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.');
                this.d('In initialLoad');
                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="' + this.prefs.defaultNickname + '" type="text" 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/">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/?log=' + this.options.log + '">Historia</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/';

                $('body').append('<div id="ys-overlay"></div><div class="ys-window" id="ys-cp"><a title="Close Admin CP" href="#" id="ys-closeoverlay-link">Zamknij</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/?log='+ this.options.log;
                $('body').append('<div id="ys-overlay"></div><div class="ys-window" id="ys-history"><a title="Zamknij" href="#" id="ys-closeoverlay-link">Zamknij</a><a title="Admin" href="#" id="ys-switchoverlay-link">Admin</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;
                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 i = 0; i < same.length; i++) {
                        $('#' + same[i].id).fadeTo(this.animSpeed, .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/" 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;
				break;
			
			case 'Banning...':
				return false;
				break;
			
			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;
								break;
						}
					}
					
					$.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;
				break;
				
			case 'Unbanning...':
				return false;
				break;
		}
	},
	
	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;
						break;
				}
			}
			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;

		$.post(this.options.yPath + 'yshout.php', pars, function(parse) {
			if (parse)
				if (html)
					callback.apply(self, [parse]);
				else
					callback.apply(self, [self.json(parse)]);
			else
				callback.apply(self);
		});
	},

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