(function($) {
    $.fn.forum = function(settings){
    
        var defaults = {   
            tag: "test",   
            url: "http://api.tagmalion.com/",   
            template: "http://jsrepeater.devprog.com/forumtemplates/basic/basic.js",
            host: null
        };   
     
        var options = $.extend(defaults, settings); 

        if ($.fn.forum.controllerInstance == null) {
            $.fn.forum.controllerInstance = new $.fn.forum.controller(options);
        }
        
        
        
        return this.each(function() {
            $.fn.forum.controllerInstance.settings = options;
            $.fn.forum.controllerInstance.container = this;
            
            if (options.template != null)
            {
                $.getJSON(options.template + "?cachebust=" + new Date() + "&format=json&jsoncallback=?");
            } else {
                $.fn.forum.controllerInstance.initialise(this);
            }
            //$('head').append('<link id="mylinkid" href="test.css" rel="stylesheet">')
            //this.innerHTML = $.fn.forum.controllerInstance.settings.template;
            //$.fn.forum.controllerInstance.initialise(this);
            
        });
    }
    $.forum = {};
    
    $.forum.insertTemplate = function(data){
        $('head').append('<link href="' + data.stylesheet + '" rel="stylesheet">')
        $.fn.forum.controllerInstance.container.innerHTML = data.template;
        $.fn.forum.controllerInstance.initialise();
    }
    $.fn.forum.controllerInstance = null;
    
    $.fn.forum.controller = function(settings){
        this.settings = settings;
    }
    
    var controller = $.fn.forum.controller;
    
    controller.prototype.initialise = function() {
        $('.tmf_listThreads').bind('click', function(e) { $.fn.forum.controllerInstance.listPosts(); } );
        $('.tmf_addPost').bind('click', function(e) { $.fn.forum.controllerInstance.showAddPost(); } );
        $('.tmf_cancelPost').bind('click', function(e) { $.fn.forum.controllerInstance.cancelAddPost(this.form); e.stopPropagation(); e.preventDefault(); return false; } );
        $('.tmf_cancelReply').bind('click', function(e) { $.fn.forum.controllerInstance.cancelReplyPost(this.form); e.stopPropagation(); e.preventDefault(); return false; } );
        
        $('.tmf_post').bind('click', function(e) { $.fn.forum.controllerInstance.post(this.form); e.stopPropagation(); e.preventDefault(); return false; } );
        $('.tmf_reply').bind('click', function(e) { $.fn.forum.controllerInstance.reply(this.form); e.stopPropagation(); e.preventDefault(); return false; } );
        
        $('.tmf_renewVerification').bind('click', function(e) { $.fn.forum.controllerInstance.requestVerification(); } );
        this.hideContainers();
        this.listPosts();
    }
    
    controller.prototype.showAddPost = function() {
        this.requestVerification();
        this.hideContainers();
        $('.tmf_postView').show(); 
    }
    controller.prototype.showReplyPost = function(id, threadId) {
        this.requestVerification();
        this.hideContainers();
        $('#tmf_ReplyToID').attr("value", id);
        $('#tmf_threadId').attr("value", threadId);
        $('.tmf_replyView').show(); 
    }
    controller.prototype.cancelAddPost = function(frm) {
        this.clearForm(frm);
        this.hideContainers();
        $('.tmf_listView').show();
    }
    controller.prototype.cancelReplyPost = function(frm) {
        this.clearForm(frm);
        this.hideContainers();
        $('.tmf_threadView').show();
    }
    controller.prototype.post = function(frm){
         if (!this.validateForm(frm)) { return false; }
         var self = this;
         var host = (this.settings.host != null) ? this.settings.host : "";
         $.getJSON(this.settings.url + "forum/post?cachebust=" + new Date() + "&format=json&jsoncallback=?",
            {"tag" : this.settings.tag, "name" : frm.tmf_name.value, "subject" : frm.tmf_subject.value, 
            "content" : frm.tmf_content.value, "verificationID" : frm.tmf_verificationID.value, "verificationKey" : frm.tmf_verificationKey.value, "host" : host},
        function(data) {
            self.checkPostResponse(data, function(data) { setTimeout(function() { self.clearForm(frm); self.listPosts(); }, 1000); });
        });
    }
    controller.prototype.reply = function(frm){
        if (!this.validateForm(frm)) { return false; }
        var self = this;
        var id = frm.tmf_ReplyToID.value;
        var threadId = frm.tmf_threadId.value;
        var host = (this.settings.host != null) ? this.settings.host : "";
        $.getJSON(this.settings.url + "forum/reply?cachebust=" + new Date() + "&format=json&jsoncallback=?",
        {"id" : id, "name" : frm.tmf_name.value, "subject" : frm.tmf_subject.value, 
        "content" : frm.tmf_content.value, "verificationID" : frm.tmf_verificationID.value,  "verificationKey" : frm.tmf_verificationKey.value, "host" : host},
        function(data) {
            self.checkPostResponse(data, function(data) { setTimeout(function() { self.clearForm(frm); self.displayThread(threadId); }, 1000); });
        });
    }
    controller.prototype.checkPostResponse = function(data, callback){
        if (data.Error != undefined){
            if (data.Error == 'Invalid Verification'){
                this.requestVerification();
                alert("Wrong verification code, please try again");
            }
            else {
                alert(data.Error);
            }
         } else {
            callback(data);
         }
    }
    controller.prototype.validateForm = function(frm){
        if (frm.tmf_name.value.length == 0) { alert("Name required"); return false; }
        if (frm.tmf_subject.value.length == 0) { alert("Subject required"); return false; }
        if (frm.tmf_content.value.length == 0) { alert("Content required"); return false; }
        if (frm.tmf_verificationKey.value.length == 0) { alert("Please enter the verification code"); return false; }
        return true;
    }
    controller.prototype.clearForm = function(frm){
        frm.tmf_name.value = "";
        frm.tmf_subject.value = "";
        frm.tmf_content.value = "";
        frm.tmf_verificationKey.value = "";
    }
    
    controller.prototype.hideContainers = function(){
        $('.tmf_listView, .tmf_threadView, .tmf_postView, .tmf_replyView').hide();
        
    }
    
    controller.prototype.requestVerification = function(){
        var self = this;
        $.getJSON(this.settings.url + "verify/request?cachebust=" + new Date() + "&format=json&jsoncallback=?",
        {},
        function(Data) { 
            $('.tmf_verificationImage').attr('src', self.settings.url + "verify/image?cachebust=" + new Date() + "&id=" + Data.id);
            $('.tmf_verificationID').attr('value', Data.id);
        });
    }
    controller.prototype.listPosts = function() {
    
        var self = this;
        $.getJSON(this.settings.url + "forum/list?cachebust=" + new Date() + "&format=json&jsoncallback=?",
        {"tag" : this.settings.tag},
        function(Data) { 
            self.hideContainers();
            $('.tmf_listView').show();
            $('#tmf_ListPosts').fillTemplate(Data); 
            $('.tmf_threadLink').bind('click', function(e) { $.fn.forum.controllerInstance.displayThread($(this).attr('tmf_dataId')); } );
        
        });
    }
    controller.prototype.displayThread = function(id){
        var self = this;
        $.getJSON(this.settings.url + "forum/thread?cachebust=" + new Date() + "&format=json&jsoncallback=?",
        {"id" : id},
        function(Data) {
            self.hideContainers();
            $('.tmf_threadView').show();
            $('#tmf_ListThread').fillTemplate({"replies" : Data});
            $('.tmf_addReply').bind('click', function(e) { $.fn.forum.controllerInstance.showReplyPost($(this).attr('tmf_dataId'), $(this).attr('tmf_threadId')); e.stopPropagation(); e.preventDefault(); return false; } );
        }); 
    }

})(jQuery);