var D = YAHOO.util.Dom;
var E = YAHOO.util.Event;
var EL = YAHOO.util.Element;
var C = YAHOO.util.Connect;
var AN = YAHOO.util.Anim;
var nextPost;
var previousPost;
if (typeof DEVIL == "undefined")
{
    var DEVIL = {};
}
DEVIL.namespace = function()
{
    var a=arguments, o=null, i, j, d;
    for (i=0; i<a.length; ++i)
    {
        d=a[i].split(".");
        o=DEVIL;
        for (j=(d[0] == "DEVIL") ? 1 : 0; j<d.length; ++j)
        {
            o[d[j]]=o[d[j]] || {};
            o=o[d[j]];
        }
    }
    return o;
};
DEVIL.namespace("blog");
function detectAnchor() {
	var strID = window.document.location.toString();
	var intLen = strID.indexOf('#');
	if (intLen > -1) {
		anchor = strID.substring(intLen + 1,strID.length);
		return anchor;
	} else {
		return "";
	}
}
var cancelDefault = function(e) {
    E.preventDefault(e);
};
DEVIL.blog.showCloud = function(tagCloudString) {
    var tagCloud = D.get("tagCloud");
    tagCloud.innerHTML = "";
    try { 
        var tags = YAHOO.lang.JSON.parse(tagCloudString); 
    } 
    catch (e) {
    }
    var tagStrings = "";
    var setStep = Math.ceil(tags.length / 7);
    var i = 0;
    if (tags.length < 8) {
        for (j = 1; j < tags.length+1; j++) {
            tagStrings +="<span class=\"level"+j+"\">";
            tagStrings +="<a href=\"\" class=\"tag\">"+tags[j-1].tag+"</a>";
            tagStrings +="</span>";
        }
    } else {
        for (j = 1; j < 8; j++) {
            tagStrings +="<span class=\"level"+j+"\">";
            for (i; i < (j * setStep); i++) {
                if (tags[i]) {
                    tagStrings +="<a href=\"\" class=\"tag\">"+tags[i].tag+"</a>";
                }
            }
            tagStrings +="</span>";
        }
    }
    tagCloud.innerHTML = tagStrings+"<br class=\"clear\"/>";
    allTags = D.getElementsByClassName("tag", "a", tagCloud);
    for (var k = 0; k < allTags.length; k++) {
        allTags[k].href = "#tag:"+allTags[k].innerHTML;
        E.addListener(allTags[k], "click", cancelDefault);
        E.addListener(allTags[k], "click", function(e, obj) {
            DEVIL.blog.loadBlogData("tag:"+obj.tagText);
        }, {"tagText":allTags[k].innerHTML});
    }
};
DEVIL.blog.showBlogPosts = function(blogPostsString,type) {
    var blogContent = D.get("blogContent");
    var nextLink = D.get("nextLink");
    var previousLink = D.get("previousLink");
    var homeLink = D.get("homeLink");
    blogContent.innerHTML = "";
    try { 
        var blogPosts = YAHOO.lang.JSON.parse(blogPostsString); 
    } 
    catch (e) {
        blogContent.innerHTML = "<div class=\"pageError\">Tundub, et mingi viga juhtus. Proovi mõne aja pärast uuesti.</div>";
        E.removeListener(homeLink,"click");
        E.addListener(homeLink,"click",cancelDefault);
        E.addListener(homeLink,"click",function() {
            DEVIL.blog.loadBlogData("","home");
        });
        homeLink.style.display = "inline";
    }
    if ((!blogPosts) || (blogPosts && blogPosts.length == 0)) {
        blogContent.innerHTML = "<div class=\"pageError\">Ei leia...</div>";
        E.removeListener(homeLink,"click");
        E.addListener(homeLink,"click",cancelDefault);
        E.addListener(homeLink,"click",function() {
            DEVIL.blog.loadBlogData("","home");
        });
        homeLink.style.display = "inline";
    } else if (blogPosts && blogPosts.length > 0) {
        for (var i = 0; i < blogPosts.length; i++) {
            var blogPostDiv = document.createElement("div");
            blogPostDiv.setAttribute("class","blogPost");
            var blogPostData = "<h1>"+blogPosts[i].postHeader+"</h1><h2>Link: <a href=\"#"+blogPosts[i].postId+"\">"+blogPosts[i].postDate+" &middot; "+blogPosts[i].postTime+"</a></h2><div class=\"blogText\">"+blogPosts[i].postContent+"</div><hr />";
            var postTagsArray = blogPosts[i].postTags.split(", ");
            var postTagsStrip = "";
            for (var j= 0; j < postTagsArray.length; j++) {
                postTagsStrip += "<a href=\"#tag:"+postTagsArray[j]+"\">"+postTagsArray[j]+"</a>";
            }
            var blogPostData = "<h1>"+blogPosts[i].postHeader+"</h1><h2>Link: <a href=\"#"+blogPosts[i].postId+"\">"+blogPosts[i].postDate+" &middot; "+blogPosts[i].postTime+"</a> &middot; Sildid: <span class=\"blogTags\">"+postTagsStrip+"</span> </h2><div class=\"blogText\">"+blogPosts[i].postContent+"</div>";
            var blogPostComments = "";
            for (var j = 0; j < blogPosts[i].postComments.length; j++) {
                var commentClass = "floatl";
                var commentBreak = "";
                if (j % 2) {
                    commentClass = "floatr";
                    commentBreak = "<br class=\"clear\"/>";
                }
                blogPostComments += "<div class=\"singleComment "+commentClass+"\"><h3>"+blogPosts[i].postComments[j].commentPoster+"<span class=\"commentTime\">"+blogPosts[i].postComments[j].commentDate+" &middot; "+blogPosts[i].postComments[j].commentTime+"</span></h3><div class=\"commentText\">"+blogPosts[i].postComments[j].commentText+"</div></div>"+commentBreak+"";
            }
            if (blogPosts.length > 1) {
                blogPostDiv.innerHTML += blogPostData+"<div class=\"commentSection\">"+blogPostComments+"<br class=\"clear\"/></div>";
                blogContent.appendChild(blogPostDiv);
            } else {
                blogPostDiv.innerHTML += blogPostData+"<div class=\"commentSection\">"+blogPostComments+"<br class=\"clear\"/><div class=\"addCommentLink\"><a value=\"Lisa kommentaar\" id=\"addCommentLink"+blogPosts[i].postId+"\" href=\"\" />Kommenteeri</a></div><div class=\"addCommentSection\" id=\"addFor"+blogPosts[i].postId+"\"><form method=\"post\" action=\"\"><table class=\"commentTable\"><col width=\"15%\" /><col /><tr><th>Nimi:</th><td><input type=\"text\" id=\"commentPoster"+blogPosts[i].postId+"\" /></td></tr><tr><th>Kommentaar:</th><td><textarea id=\"commentText"+blogPosts[i].postId+"\" cols=\"0\" rows=\"0\"></textarea></td></tr><tr><td><input type=\"hidden\" id=\"commentParent"+blogPosts[i].postId+"\" value=\""+blogPosts[i].postId+"\" /><input type=\"hidden\" id=\"commentCheck"+blogPosts[i].postId+"\" value=\"\" /></td><td><input type=\"button\" value=\"Postita kommentaar\" id=\"commentSubmit"+blogPosts[i].postId+"\" class=\"commentSubmit\" /></td></tr></table></form></div></div>";
                blogContent.appendChild(blogPostDiv);
                var addLink = D.get("addCommentLink"+blogPosts[i].postId);
                var addCommentDiv = D.get("addFor"+blogPosts[i].postId);
                E.removeListener(addLink, "click");
                E.addListener(addLink, "click", cancelDefault);
                E.addListener(addLink, "click", function(e, commentTable) {
                    var animOpen = new AN(commentTable.addDivId, { height: { from: 0, to: commentTable.addDivId.firstChild.firstChild.offsetHeight + 20 } }, 0.5, YAHOO.util.Easing.easeOut);
                    var animFade = new AN(commentTable.addDivId, { opacity: { from: 0, to: 1 } }, 0.5, YAHOO.util.Easing.easeIn);
                    this.style.display = "none";
                    animOpen.animate();
                    animFade.animate();                
                }, {"addDivId":addCommentDiv});
                var commentSubmitter = D.get("commentSubmit"+blogPosts[i].postId);
                E.removeListener(commentSubmitter, "click");
                E.addListener(commentSubmitter, "click", DEVIL.blog.postCommentData, blogPosts[i].postId);
                var commentPoster = D.get("commentPoster"+blogPosts[i].postId);
                E.addListener(commentPoster, "focus", function() {
                    E.removeListener(document, "keyup", DEVIL.blog.listenKeys);
                });
                E.addListener(commentPoster, "blur", function() {
                    E.addListener(document, "keyup", DEVIL.blog.listenKeys);
                });
                var commentText = D.get("commentText"+blogPosts[i].postId);
                E.addListener(commentText, "focus", function() {
                    E.removeListener(document, "keyup", DEVIL.blog.listenKeys);
                });
                E.addListener(commentText, "blur", function() {
                    E.addListener(document, "keyup", DEVIL.blog.listenKeys);
                });
            }            
            var titleLink = blogPostDiv.getElementsByTagName("h2")[0].getElementsByTagName("a")[0];
            E.addListener(titleLink,"click",cancelDefault);
            E.addListener(titleLink, "click", function(e, obj) {
                DEVIL.blog.loadBlogData(obj.postId);
            }, {"postId":blogPosts[i].postId});
            // D.getElementsByClassName("blogTags").getElementsByTagName("a"));
            D.getElementsByClassName("blogTags", "span", D.get("blogSection"), function() {
                D.batch(this.getElementsByTagName("a"), function(el) {
                    E.addListener(el, "click", cancelDefault);
                    E.addListener(el, "click", function() {
                        DEVIL.blog.loadBlogData("tag:"+el.innerHTML);
                    });

                });
            });
        }
        if (blogPosts.length == 1) {
            if (blogPosts[0].postNextId == "") {
                nextLink.style.display = "none";
                homeLink.style.display = "none";
            } else {
                nextLink.style.display = "inline";
                homeLink.style.display = "inline";
            }
            if (blogPosts[0].postPreviousId == "") {
                previousLink.style.display = "none";
            } else {
                previousLink.style.display = "inline";
            }
            E.removeListener(nextLink,"click");
            nextPost = blogPosts[0].postNextId;
            E.addListener(nextLink,"click",cancelDefault);
            E.addListener(nextLink,"click",function() {
                DEVIL.blog.loadBlogData(blogPosts[0].postNextId);
            });
            E.removeListener(previousLink,"click");
            previousPost = blogPosts[0].postPreviousId;
            E.addListener(previousLink,"click",cancelDefault);
            E.addListener(previousLink,"click",function() {
                DEVIL.blog.loadBlogData(blogPosts[0].postPreviousId);
            });
            if (parent.location.hash == "") {
	            parent.location.hash = blogPosts[0].postId;
	        }
        } else {
	        homeLink.style.display = "inline";
	        previousLink.style.display = "none";
	        nextLink.style.display = "none";
		}
		E.removeListener(homeLink,"click");
        E.addListener(homeLink,"click",cancelDefault);
        E.addListener(homeLink,"click",function() {
            DEVIL.blog.loadBlogData("","home");
        });
    }
};
DEVIL.blog.loadBlogData = function(anchor,type) {
    var responseSuccess = function(o) { 
        /* Please see the Success Case section for more
        * details on the response object's properties.
        * o.tId
        * o.status
        * o.statusText
        * o.getResponseHeader[ ]
        * o.getAllResponseHeaders
        * o.responseText
        * o.responseXML
        * o.argument
        */
        DEVIL.blog.showBlogPosts(o.responseText);
        window.scrollTo(0,0);
    }; 
    var responseFailure = function(o) { 
        // Access the response object's properties in the 
        // same manner as listed in responseSuccess( ). 
        // Please see the Failure Case section and 
        // Communication Error sub-section for more details on the 
        // response object's properties. 
    };
    var callback = { 
        success:responseSuccess,
        failure:responseFailure
    };
    var pageAnchor = detectAnchor();
    if (anchor) {
        pageAnchor = anchor;
    }
    if (parent.location.hash != "") {
        parent.location.hash = pageAnchor;
    }
    if (type == "home") {
        parent.location.hash = "#";
        pageAnchor = "";
    }
    var transaction = C.asyncRequest("POST", "datajs.php", callback, "getter="+pageAnchor+"");
};

DEVIL.blog.loadCloudData = function() {
    var responseSuccess = function(o) { 
        DEVIL.blog.showCloud(o.responseText);
    }; 
    var responseFailure = function(o) { 
    };
    var callback = { 
        success:responseSuccess,
        failure:responseFailure
    };
    var transaction = C.asyncRequest("POST", "datacloud.php", callback);
};
DEVIL.blog.postCommentData = function(ev, parentId) {
    var responseSuccess = function(o) { 
        DEVIL.blog.loadBlogData();
    }; 
    var responseFailure = function(o) { 
        alert("Ei saanud kommentaari lisada, proovi uuesti");
    };
    var callback = { 
        success:responseSuccess,
        failure:responseFailure
    };
    var commentPoster = D.get("commentPoster"+parentId).value;
    var commentText = D.get("commentText"+parentId).value;
    if (commentText != "" && commentPoster != "") {
        var transaction = C.asyncRequest("POST", "postcomment.php", callback, "action=comment&comment_text="+commentText+"&comment_poster="+commentPoster+"&comment_parent="+parentId+"&comment_check=killAllSpam");
    } else {
        alert("Tühja kommentaari ei saa lisada");
    }
};
DEVIL.blog.attachEvents = function() {
    var downloadEngine = D.get("downloadEngine");
    if (downloadEngine) {
        var createLink = function() {
            var downloadField = D.get("downloadField");
            if (downloadField.value.length > 0) {
                var linkText = downloadField.value;
                var defaultContents = downloadEngine.innerHTML;
                var createdLink = "<a href=\""+linkText+"\">Tegin sulle sellise lingi, sobib?</a><a href=\"\" id=\"deleteCreated\"><img src=\"/gfx6/clear-button.png\" alt=\"Kustuta link\" /></a>";
                var responseSuccess = function(o) { 
                }; 
                var responseFailure = function(o) { 
                };
                var callback = { 
                    success:responseSuccess,
                    failure:responseFailure
                };
                var transaction = C.asyncRequest("POST", "postlink.php", callback, "action=link&link_url="+linkText+"&link_check=killAllSpam");
                downloadEngine.innerHTML = createdLink;
                var deleteCreated = D.get("deleteCreated");
                var deleteLink = function() {
                    if (deleteCreated) {
                        downloadEngine.innerHTML = defaultContents;
                    }
                };
                if (deleteCreated) {
                    E.addListener(deleteCreated, "click", cancelDefault);
                    E.addListener(deleteCreated, "click", deleteLink);
                }
            }
        };
        E.addListener(downloadEngine, "submit", cancelDefault);
        E.addListener(downloadEngine, "submit", createLink);
    }
    var searchEngine = D.get("searchEngine");
    if (searchEngine) {
            var doSearch = function() {
                var searchField = D.get("searchField");
                if (searchField.value.length > 2) {
                    DEVIL.blog.loadBlogData("search:"+searchField.value);
                    searchField.value = "";
                } else {
                    D.get("blogContent").innerHTML = "<div class=\"pageError\">Liiga lühike otsisõna</div>";
                }
            };
        E.addListener(searchEngine, "submit", cancelDefault);
        E.addListener(searchEngine, "submit", doSearch);
    }
    var searchField = D.get("searchField");
    E.addListener(searchField, "focus", function() {
        E.removeListener(document, "keyup", DEVIL.blog.listenKeys);
    });
    E.addListener(searchField, "blur", function() {
        E.addListener(document, "keyup", DEVIL.blog.listenKeys);
    });
    var downloadField = D.get("downloadField");
    E.addListener(downloadField, "focus", function() {
        E.removeListener(document, "keyup", DEVIL.blog.listenKeys);
    });
    E.addListener(downloadField, "blur", function() {
        E.addListener(document, "keyup", DEVIL.blog.listenKeys);
    });
};
DEVIL.blog.listenKeys = function(e) {
    // back 37, 74, 100
    // fwd 39, 75, 102
    // home 72
        
    var nextLink = D.get("nextLink");
    var previousLink = D.get("previousLink");
    var homeLink = D.get("homeLink");
        
    if (homeLink && homeLink.style.display == "inline" && e.keyCode == 72) {
        DEVIL.blog.loadBlogData("","home");
    }
    if (nextLink && nextPost && nextPost.length > 0 && ( e.keyCode == 39 || e.keyCode == 75 || e.keyCode == 102 ) ) {
        DEVIL.blog.loadBlogData(nextPost);
    }
    if (previousLink && previousPost && previousPost.length > 0 && ( e.keyCode == 37 || e.keyCode == 74 || e.keyCode == 100 ) ) {
        DEVIL.blog.loadBlogData(previousPost);
    }
};
E.onDOMReady(function() {
    E.addListener(document, "keyup", DEVIL.blog.listenKeys);
    DEVIL.blog.loadBlogData();
    DEVIL.blog.loadCloudData();
    DEVIL.blog.attachEvents();
});