/*
 * jPlayerInspector Plugin for jPlayer (2.0.0+) Plugin for jQuery JavaScript Library
 * http://www.happyworm.com/jquery/jplayer
 *
 * Copyright (c) 2009 - 2010 Happyworm Ltd
 * Dual licensed under the MIT and GPL licenses.
 *  - http://www.opensource.org/licenses/mit-license.php
 *  - http://www.gnu.org/copyleft/gpl.html
 *
 * Author: Mark J Panaghiston
 * Version: 1.0.0
 * Date: 20th December 2010
 *
 * For use with jPlayer Version: 2.0.0
 *
 * Note: Declare inspector instances after jPlayer instances. ie., Otherwise the jPlayer instance is nonsense.
 */

(function($, undefined) {
        $.jPlayerInspector = {};
        $.jPlayerInspector.i = 0;
        $.jPlayerInspector.defaults = {
                jPlayer: undefined, // The jQuery selector of the jPlayer instance to inspect.
                idPrefix: "jplayer_inspector_",
                visible: false
        };
        
        var methods = {
                init: function(options) {
                        var self = this;
                        var $this = $(this);
                        
                        var config = $.extend({}, $.jPlayerInspector.defaults, options);
                        $(this).data("jPlayerInspector", config);

                        config.id = $(this).attr("id");
                        config.jPlayerId = config.jPlayer.attr("id");

                        config.windowId = config.idPrefix + "window_" + $.jPlayerInspector.i;
                        config.statusId = config.idPrefix + "status_" + $.jPlayerInspector.i;
                        config.configId = config.idPrefix + "config_" + $.jPlayerInspector.i;
                        config.toggleId = config.idPrefix + "toggle_" + $.jPlayerInspector.i;
                        config.eventResetId = config.idPrefix + "event_reset_" + $.jPlayerInspector.i;
                        config.updateId = config.idPrefix + "update_" + $.jPlayerInspector.i;
                        config.eventWindowId = config.idPrefix + "event_window_" + $.jPlayerInspector.i;
                        
                        config.eventId = {};
                        config.eventJq = {};
                        config.eventTimeout = {};
                        config.eventOccurrence = {};
                        
                        $.each($.jPlayer.event, function(eventName,eventType) {
                                config.eventId[eventType] = config.idPrefix + "event_" + eventName + "_" + $.jPlayerInspector.i;
                                config.eventOccurrence[eventType] = 0;
                        });
                        
                        var structure = 
                                '<p><a href="#" id="' + config.toggleId + '">' + (config.visible ? "Hide" : "Show") + '</a> jPlayer Inspector</p>' 
                                + '<div id="' + config.windowId + '">'
                                        + '<div id="' + config.statusId + '"></div>'
                                        + '<div id="' + config.eventWindowId + '" style="padding:5px 5px 0 5px;background-color:#eee;border:1px dotted #000;">'
                                                + '<p style="margin:0 0 10px 0;"><strong>jPlayer events that have occurred over the past 1 second:</strong>'
                                                + '<br />(Backgrounds: <span style="padding:0 5px;background-color:#eee;border:1px dotted #000;">Never occurred</span> <span style="padding:0 5px;background-color:#fff;border:1px dotted #000;">Occurred before</span> <span style="padding:0 5px;background-color:#9f9;border:1px dotted #000;">Occurred</span> <span style="padding:0 5px;background-color:#ff9;border:1px dotted #000;">Multiple occurrences</span> <a href="#" id="' + config.eventResetId + '">reset</a>)</p>';
                        
                        // MJP: Would use the next 3 lines for ease, but the events are just slapped on the page.
                        // $.each($.jPlayer.event, function(eventName,eventType) {
                        //      structure += '<div id="' + config.eventId[eventType] + '" style="float:left;">' + eventName + '</div>';
                        // });
                        
                        var eventStyle = "float:left;margin:0 5px 5px 0;padding:0 5px;border:1px dotted #000;";
                        // MJP: Doing it longhand so order and layout easier to control.
                        structure +=
                                                '<div id="' + config.eventId[$.jPlayer.event.ready] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.resize] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.volumechange] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.error] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.warning] + '" style="' + eventStyle + '"></div>'

                                                + '<div id="' + config.eventId[$.jPlayer.event.loadstart] + '" style="clear:left;' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.progress] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.timeupdate] + '" style="' + eventStyle + '"></div>'

                                                + '<div id="' + config.eventId[$.jPlayer.event.play] + '" style="clear:left;' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.pause] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.waiting] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.playing] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.seeking] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.seeked] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.ended] + '" style="' + eventStyle + '"></div>'

                                                + '<div id="' + config.eventId[$.jPlayer.event.loadeddata] + '" style="clear:left;' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.loadedmetadata] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.canplay] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.canplaythrough] + '" style="' + eventStyle + '"></div>'

                                                + '<div id="' + config.eventId[$.jPlayer.event.suspend] + '" style="clear:left;' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.abort] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.emptied] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.stalled] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.ratechange] + '" style="' + eventStyle + '"></div>'
                                                + '<div id="' + config.eventId[$.jPlayer.event.durationchange] + '" style="' + eventStyle + '"></div>'

                                                + '<div style="clear:both"></div>';

                        // MJP: Would like a check here in case we missed an event.

                        // MJP: Check fails, since it is not on the page yet.
/*                      $.each($.jPlayer.event, function(eventName,eventType) {
                                if($("#" + config.eventId[eventType])[0] === undefined) {
                                        structure += '<div id="' + config.eventId[eventType] + '" style="clear:left;' + eventStyle + '">' + eventName + '</div>';
                                }
                        });
*/
                        structure +=
                                        '</div>'
                                        + '<p><a href="#" id="' + config.updateId + '">Update</a> jPlayer Inspector</p>'
                                        + '<div id="' + config.configId + '"></div>'
                                + '</div>';
                        $(this).html(structure);
                        
                        config.windowJq = $("#" + config.windowId);
                        config.statusJq = $("#" + config.statusId);
                        config.configJq = $("#" + config.configId);
                        config.toggleJq = $("#" + config.toggleId);
                        config.eventResetJq = $("#" + config.eventResetId);
                        config.updateJq = $("#" + config.updateId);

                        $.each($.jPlayer.event, function(eventName,eventType) {
                                config.eventJq[eventType] = $("#" + config.eventId[eventType]);
                                config.eventJq[eventType].text(eventName + " (" + config.eventOccurrence[eventType] + ")"); // Sets the text to the event name and (0);
                                
                                config.jPlayer.bind(eventType + ".jPlayerInspector", function(e) {
                                        config.eventOccurrence[e.type]++;
                                        if(config.eventOccurrence[e.type] > 1) {
                                                config.eventJq[e.type].css("background-color","#ff9");
                                        } else {
                                                config.eventJq[e.type].css("background-color","#9f9");
                                        }
                                        config.eventJq[e.type].text(eventName + " (" + config.eventOccurrence[e.type] + ")");
                                        // The timer to handle the color
                                        clearTimeout(config.eventTimeout[e.type]);
                                        config.eventTimeout[e.type] = setTimeout(function() {
                                                config.eventJq[e.type].css("background-color","#fff");
                                        }, 1000);
                                        // The timer to handle the occurences.
                                        setTimeout(function() {
                                                config.eventOccurrence[e.type]--;
                                                config.eventJq[e.type].text(eventName + " (" + config.eventOccurrence[e.type] + ")");
                                        }, 1000);
                                        if(config.visible) { // Update the status, if inspector open.
                                                $this.jPlayerInspector("updateStatus");
                                        }
                                });
                        });

                        config.jPlayer.bind($.jPlayer.event.ready + ".jPlayerInspector", function(e) {
                                $this.jPlayerInspector("updateConfig");
                        });

                        config.toggleJq.click(function() {
                                if(config.visible) {
                                        $(this).text("Show");
                                        config.windowJq.hide();
                                        config.statusJq.empty();
                                        config.configJq.empty();
                                } else {
                                        $(this).text("Hide");
                                        config.windowJq.show();
                                        config.updateJq.click();
                                }
                                config.visible = !config.visible;
                                $(this).blur();
                                return false;
                        });

                        config.eventResetJq.click(function() {
                                $.each($.jPlayer.event, function(eventName,eventType) {
                                        config.eventJq[eventType].css("background-color","#eee");
                                });
                                $(this).blur();
                                return false;
                        });

                        config.updateJq.click(function() {
                                $this.jPlayerInspector("updateStatus");
                                $this.jPlayerInspector("updateConfig");
                                return false;
                        });

                        if(!config.visible) {
                                config.windowJq.hide();
                        } else {
                                // config.updateJq.click();
                        }
                        
                        $.jPlayerInspector.i++;

                        return this;
                },
                destroy: function() {
                        $(this).data("jPlayerInspector") && $(this).data("jPlayerInspector").jPlayer.jPlayer("removeEventListener", ".jPlayerInspector");
                        $(this).empty();
                },
                updateConfig: function() { // This displays information about jPlayer's configuration in inspector
                
                        var jPlayerInfo = "<p>This jPlayer instance is running in your browser where:<br />"

                        for(i = 0; i < $(this).data("jPlayerInspector").jPlayer.data("jPlayer").solutions.length; i++) {
                                var solution = $(this).data("jPlayerInspector").jPlayer.data("jPlayer").solutions[i];
                                jPlayerInfo += "&nbsp;jPlayer's <strong>" + solution + "</strong> solution is";                         
                                if($(this).data("jPlayerInspector").jPlayer.data("jPlayer")[solution].used) {
                                        jPlayerInfo += " being <strong>used</strong> and will support:<strong>";
                                        for(format in $(this).data("jPlayerInspector").jPlayer.data("jPlayer")[solution].support) {
                                                if($(this).data("jPlayerInspector").jPlayer.data("jPlayer")[solution].support[format]) {
                                                        jPlayerInfo += " " + format;
                                                }
                                        }
                                        jPlayerInfo += "</strong><br />";
                                } else {
                                        jPlayerInfo += " <strong>not required</strong><br />";
                                }
                        }
                        jPlayerInfo += "</p>";

                        if($(this).data("jPlayerInspector").jPlayer.data("jPlayer").html.active) {
                                if($(this).data("jPlayerInspector").jPlayer.data("jPlayer").flash.active) {
                                        jPlayerInfo += "<strong>Problem with jPlayer since both HTML5 and Flash are active.</strong>";
                                } else {
                                        jPlayerInfo += "The <strong>HTML5 is active</strong>.";
                                }
                        } else {
                                if($(this).data("jPlayerInspector").jPlayer.data("jPlayer").flash.active) {
                                        jPlayerInfo += "The <strong>Flash is active</strong>.";
                                } else {
                                        jPlayerInfo += "No solution is currently active. jPlayer needs a setMedia().";
                                }
                        }
                        jPlayerInfo += "</p>";

                        var formatType = $(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.formatType;
                        jPlayerInfo += "<p><code>status.formatType = '" + formatType + "'</code><br />";
                        if(formatType) {
                                jPlayerInfo += "<code>Browser canPlay('" + $.jPlayer.prototype.format[formatType].codec + "')</code>";
                        } else {
                                jPlayerInfo += "</p>";
                        }
                        
                        jPlayerInfo += "<p><code>status.src = '" + $(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.src + "'</code></p>";

                        jPlayerInfo += "<p><code>status.media = {<br />";
                        for(prop in $(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.media) {
                                jPlayerInfo += "&nbsp;" + prop + ": " + $(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.media[prop] + "<br />"; // Some are strings
                        }
                        jPlayerInfo += "};</code></p>"

                        + "<p>Raw browser test for HTML5 support. Should equal a function if HTML5 is available.<br />";
                        if($(this).data("jPlayerInspector").jPlayer.data("jPlayer").html.audio.available) {
                                jPlayerInfo += "<code>htmlElement.audio.canPlayType = " + (typeof $(this).data("jPlayerInspector").jPlayer.data("jPlayer").htmlElement.audio.canPlayType) +"</code><br />"
                        }
                        if($(this).data("jPlayerInspector").jPlayer.data("jPlayer").html.video.available) {
                                jPlayerInfo += "<code>htmlElement.video.canPlayType = " + (typeof $(this).data("jPlayerInspector").jPlayer.data("jPlayer").htmlElement.video.canPlayType) +"</code>";
                        }
                        jPlayerInfo += "</p>";

                        jPlayerInfo += "<p>This instance is using the constructor options:<br />"
                        + "<code>$('#" + $(this).data("jPlayerInspector").jPlayer.data("jPlayer").internal.self.id + "').jPlayer({<br />"

                        + "&nbsp;swfPath: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "swfPath") + "',<br />"

                        + "&nbsp;solution: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "solution") + "',<br />"

                        + "&nbsp;supplied: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "supplied") + "',<br />"

                        + "&nbsp;preload: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "preload") + "',<br />"
                        
                        + "&nbsp;volume: " + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "volume") + ",<br />"
                        
                        + "&nbsp;muted: " + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "muted") + ",<br />"

                        + "&nbsp;backgroundColor: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "backgroundColor") + "',<br />"

                        + "&nbsp;cssSelectorAncestor: '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "cssSelectorAncestor") + "',<br />"

                        + "&nbsp;cssSelector: {";

                        var cssSelector = $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "cssSelector");
                        for(prop in cssSelector) {
                                
                                // jPlayerInfo += "<br />&nbsp;&nbsp;" + prop + ": '" + cssSelector[prop] + "'," // This works too of course, but want to use option method for deep keys.
                                jPlayerInfo += "<br />&nbsp;&nbsp;" + prop + ": '" + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "cssSelector." + prop) + "',"
                        }

                        jPlayerInfo = jPlayerInfo.slice(0, -1); // Because the sloppy comma was bugging me.

                        jPlayerInfo += "<br />&nbsp;},<br />"

                        + "&nbsp;errorAlerts: " + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "errorAlerts") + ",<br />"
                        
                        + "&nbsp;warningAlerts: " + $(this).data("jPlayerInspector").jPlayer.jPlayer("option", "warningAlerts") + "<br />"

                        + "});</code></p>";
                        $(this).data("jPlayerInspector").configJq.html(jPlayerInfo);
                        return this;
                },
                updateStatus: function() { // This displays information about jPlayer's status in the inspector
                        $(this).data("jPlayerInspector").statusJq.html(
                                "<p>jPlayer is " +
                                ($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.paused ? "paused" : "playing") +
                                " at time: " + Math.floor($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.currentTime*10)/10 + "s." +
                                " (d: " + Math.floor($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.duration*10)/10 + "s" +
                                ", sp: " + Math.floor($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.seekPercent) + "%" +
                                ", cpr: " + Math.floor($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.currentPercentRelative) + "%" +
                                ", cpa: " + Math.floor($(this).data("jPlayerInspector").jPlayer.data("jPlayer").status.currentPercentAbsolute) + "%)</p>"
                        );
                        return this;
                }
        };
        $.fn.jPlayerInspector = function( method ) {
                // Method calling logic
                if ( methods[method] ) {
                        return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
                } else if ( typeof method === 'object' || ! method ) {
                        return methods.init.apply( this, arguments );
                } else {
                        $.error( 'Method ' +  method + ' does not exist on jQuery.jPlayerInspector' );
                }    
        };
})(jQuery);
