var player = false;
var pageAjaxMode = false;
var pageAjaxLastRequest = false;
var currentPlaylist = false;
var playlistQueryString = false;
var playlistQue = false;
var playlistSetPlaying = false;
var playlistSetItem = false;
var spinner;
var spinnerOpts = {
  lines: 16, // The number of lines to draw
  length: 0, // The length of each line
  width: 12, // The line thickness
  radius: 29, // The radius of the inner circle
  color: '#FFF', // #rgb or #rrggbb
  speed: 1.5, // Rounds per second
  trail: 10, // Afterglow percentage
  shadow: false // Whether to render a shadow
};

jQuery(document).ready(function() {
    enableAjax();
});

enableAjax = function()
{
    pageAjaxMode = true;
    var loc = getPath(window.location.href);
    
    if(window.location.hash.substring(1) == "" && !isAjaxRestricted(loc)) {
        if(loc != "/" && loc) {
            window.location = "/#"+loc;
        }
    }
    
    setAjaxGetRequests("a");
    setAjaxPostRequests("form");
}

setPlaylistItem = function(i)
{
    if(currentPlaylist != playlistQueryString) {
        if(player != false) {
            jQuery("#jplayerNewPlaylist").load("/music/player"+playlistQueryString+"&newlist=true",function() {
                player.setPlaylist(newPlaylist);
                playlistSetPlaying = i;
                currentPlaylist = i;
                setPlayerCompletion();
            });
        } else {
            jQuery("#jplayerPlaylist").load("/music/player"+playlistQueryString,function() {
                currentPlaylist = playlistQueryString;
                playlistQue = i;
            });
        }
    } else {
        player.showPlayer();
        player.playItemByUrl(i);
    }
}

setPlaylistItemUnlisted = function(o)
{
    if(player == false) {
        jQuery("#jplayerPlaylist").load("/music/player",function() {
            playlistSetItem = o;
        });
    } else {
        player.add(o);
        player.showPlayer();
        player.playItemByUrl(o['mp3']);
    }
}

setPlaylist = function(q)
{
    playlistQueryString = q;
    if(currentPlaylist != playlistQueryString) {
        jQuery("#jplayerPlaylist").load("/music/player"+playlistQueryString,function() {
            currentPlaylist = playlistQueryString;
            playlistSetPlaying = true;
        });
    } else {
        player.showPlayer();
        player.play();
    }
}

setPlayerCompletion = function()
{
    if(playlistQue || playlistSetPlaying || playlistSetItem) {
        player.showPlayer();
        
        if(playlistQue) {
            player.playItemByUrl(playlistQue);
        } else if (playlistSetItem) {
            player.add(playlistSetItem);
            player.showPlayer();
            player.playItemByUrl(playlistSetItem['mp3']);
        } else {
            player.playItemByUrl(playlistSetPlaying);
        }
        playlistQue = false;
        playlistSetPlaying = false;
        playlistSetItem = false;
    }
}

setPlayer = function()
{
}


jQuery.address.change(function(event) {
    if(pageAjaxMode) {
        if( window.location.hash.substring(1) == event.value.substring(1)) return ;
        if(window.location.pathname != "/" && !isAjaxRestricted(window.location.pathname)) {
            if(event.value && event.value != "/") {
                window.location = window.location.href+"#"+event.value;
            }
        } else if (window.location.pathname != event.value ||
            pageAjaxLastRequest && event.value != pageAjaxLastRequest) {
            
            pageAjaxLastRequest = event.value;
            var loc = event.value;
            var req = "";
            if(isAjaxRestricted(event.value)) {
                window.location = event.value;
            }
            if(loc.indexOf("?") > -1) {
                req = loc+"&_content_only=1";
            } else {
                req = loc+"?_content_only=1";
            }
            loadSpinner();
            jQuery.get(req,function(data) {
                setAjaxContent(data);
                scroll(0,0);
            });
        }
    }
});

setAjaxGetRequests = function(ele)
{
    jQuery(ele).each(function() {
        var loc = jQuery(this).attr("href");
        if(loc && loc != "" && loc.substring(0,1) != "#") {
            var url = getPath(loc);
            if(!isAjaxRestricted(url) && loc.indexOf("#") == -1) {
                jQuery(this).attr("href","/#"+getPath(loc));
            }
        }
    });
}

isAjaxRestricted = function(page)
{
    var pages = new Array(
        "http://",
        "https://",
        "/Admin",
        "mailto:",
        "/User",
        "/files",
        "/images",
        "/junkfood",
        "/lazerscale2010"
    );
    
    for(var i in pages) {
        if(page.substring(0,pages[i].length) == pages[i]) {
            return true;
        }
    }
    return false;
}

setAjaxPostRequests = function(ele)
{
    jQuery(ele).each(function() {
        var loc  = jQuery(this).attr("action");
        var form = this;
        if(loc) {
            if(loc.substring(0,1) == "/" || loc.indexOf("trash80.com/") > -1) {
                jQuery(this).find(":submit").click(function() {
                    if(isAjaxRestricted(getPath(loc))
                    || loc.indexOf("#") > -1) {
                        return true;
                    }
                    var req = "";
                    if(loc.indexOf("?") > -1) {
                        req = loc+"&_content_only=1";
                    } else {
                        req = loc+"?_content_only=1";
                    }
                    var type = jQuery(form).attr("method");
                    if(type == "post") {
                        jQuery.post(req, jQuery(form).serialize()+"&"+jQuery(this).attr("name")+"="+jQuery(this).attr("value"), function(data) {
                            setAjaxContent(data);
                        });
                    } else {
                        jQuery.address.value(getPath(loc)+"?"+jQuery(form).serialize()+"&"+jQuery(this).attr("name")+"="+jQuery(this).attr("value"));
                    }
                    return false;
                });
            }
        }
    });
    
    jQuery(ele).submit(function(event) {
        var loc  = jQuery(this).attr("action");
        if(loc) {
            if(loc.substring(0,1) == "/" || loc.indexOf("trash80.com/") > -1) {
                if(isAjaxRestricted(getPath(loc))
                || loc.indexOf("#") > -1) {
                    return true;
                }
                var req = "";
                if(loc.indexOf("?") > -1) {
                    req = loc+"&_content_only=1";
                } else {
                    req = loc+"?_content_only=1";
                }
                var type = jQuery(this).attr("method");
                loadSpinner();
                if(type == "post") {
                    jQuery.post(req, jQuery(this).serialize(), function(data) {
                        setAjaxContent(data);
                    });
                } else {
                    jQuery.address.value(getPath(loc)+"?"+jQuery(this).serialize());
                }
                return false;
            }
        }
    });
}

loadSpinner = function()
{
    spinner = new Spinner(spinnerOpts).spin(document.getElementById('header'));
}

setAjaxContent = function(data)
{
    if(data.substring(0,14) == "_url_redirect:") {
        loc = data.substring(14);
        loc = loc.replace(window.location.origin,"");
        loc = loc.replace(/#([^#]+)/,"");
        var req = "";
        if(loc.indexOf("?") > -1) {
            req = loc+"&_content_only=1";
        } else {
            req = loc+"?_content_only=1";
        }
        jQuery.get(req,function(data) {
            setAjaxContent(data);
        });
        //$.address.value(loc);
    } else {
        jQuery("#content").html(data);
        var title = jQuery("#html-title").html();
        if(title == "") title = "trash80.com";
        jQuery("title").html(title);
        setAjaxGetRequests("#content a");
        setAjaxPostRequests("form");
    }
    spinner.stop();
}

getPath = function(url)
{
    return url.replace("http://"+window.location.hostname,"");
}

function insertAtCaret(obj, text) {
		if(document.selection) {
			obj.focus();
			var orig = obj.value.replace(/\r\n/g, "\n");
			var range = document.selection.createRange();

			if(range.parentElement() != obj) {
				return false;
			}

			range.text = text;
			
			var actual = tmp = obj.value.replace(/\r\n/g, "\n");

			for(var diff = 0; diff < orig.length; diff++) {
				if(orig.charAt(diff) != actual.charAt(diff)) break;
			}

			for(var index = 0, start = 0; 
				tmp.match(text) 
					&& (tmp = tmp.replace(text, "")) 
					&& index <= diff; 
				index = start + text.length
			) {
				start = actual.indexOf(text, index);
			}
		} else if(obj.selectionStart) {
			var start = obj.selectionStart;
			var end   = obj.selectionEnd;

			obj.value = obj.value.substr(0, start) 
				+ text 
				+ obj.value.substr(end, obj.value.length);
		}
		
		if(start != null) {
			setCaretTo(obj, start + text.length);
		} else {
			obj.value += text;
		}
}
	
function setCaretTo(obj, pos) {
		if(obj.createTextRange) {
			var range = obj.createTextRange();
			range.move('character', pos);
			range.select();
		} else if(obj.selectionStart) {
			obj.focus();
			obj.setSelectionRange(pos, pos);
		}
}

playMediaFile = function(t,u,f)
{
    setPlaylistItemUnlisted({
		title:t,
        markup:"<a href=\""+u+"\" onclick=\"window.location='"+u+"'\">"+t+"</a>",
        mp3: f
    });
}

_uacct = "UA-142750-1";
urchinTracker();