/** _____________________________________________________________________________
 * |                                                                             |
 * |                    === WARNING: GLOBAL GADGET FILE ===                      |
 * |                  Changes to this page affect many users.                    |
 * | Please discuss changes on the talk page or on ] before editing. |
 * |_____________________________________________________________________________|
 *
 * Imported from revision 185704269 as of January 20, 2008 18:40 from
 * ], itself a modified version of
 * ].
 * Metadata assessment script
 * Finds the WP 1.0/WikiProject assessment of every article you go to, then
 * displays that information in the article header. See (new script homepage
 * pending).
 * @author Outriggr - created the script and used to maintain it
 * @author Pyrospirit - used to maintain and update the script
 * @author Nihiltres - Overhauled the script, current maintainer
 */
window.assessment = (function () {
    var assessmentObj = {
        props: {},
        methods: {}
    },
        //internal shortcuts
        ap = assessmentObj.props,
        am = assessmentObj.methods;
    /**
     * The main function of the script. If the checkArticle() function can find
     * the assessment, it parses and displays that assessment for the page.
     * Otherwise, it tries to retrieve an assessment via AJAX.
     */
    assessmentObj.init = function () {
        if (!$("#siteSub").length || //incompatible skin
                mw.config.get("wgNamespaceNumber") !== 0 || //non-mainspace page
                (mw.config.get("wgAction") !== "view" && mw.config.get("wgAction") !== "purge") || //non-read action
                mw.util.getParamValue("printable") || //printable page
                mw.config.get("wgArticleId") === 0 || //nonexistent page
                mw.config.get("wgIsMainPage") === true //Main Page
                ) {
            return; //Don't run the script under any of these conditions.
        }
        ap.foundAssessment = am.checkArticle(); //checks for types visible from article page
        if (!ap.foundAssessment.exists) { // no type visible on article, proceed to check the talk page
            $.ajax({
                url: mw.config.get("wgScript") + "?title=Talk:" + mw.util.wikiUrlencode(mw.config.get("wgPageName")) + "&action=raw&section=0",
                async: true,
                dataType: "text",
                success: function (responseText) {
                    ap.text = responseText;
                    ap.foundAssessment = am.getAssessment(ap.text);
                    ap.updata = am.renderAssessment(ap.foundAssessment);
                    am.update();
                }
            });
        } else {
            ap.updata = am.renderAssessment(ap.foundAssessment);
            am.update();
        }
    };
    /**
     * Checks for various objects on the article page that indicate a certain
     * assessment, such as a disambiguation page notice. If this function can
     * find the assessment, AJAX is not needed for this page.
     * @returns {Object} checkResult - the assessment found
     */
    am.checkArticle = function () {
        var checkResult = {
            extra: ,
            exists: false
        }, checksList = [
            ,
            ,
            ,
            /* , */
             //no talk page
        ];
        $.each(checksList, function (i, e) {
            if (e) {
                checkResult.rating = e;
                checkResult.exists = true;
                return false;
            }
        });
        return checkResult;
    };
    /**
     * Searches the provided wikicode for the rating part of an assessment and
     * returns it as a string.
     * Note that higher assessments take priority, and less-used assessments
     * such as "list", "current", or "future" are used only if nothing else can
     * be found.
     * @param {String} text - some wikitext to be searched for assessment info
     */
    am.getRating = function (text) {
        var rating = "none",
            standardChecks = [
                ,
                ,
                ,
                ,
                , //used by WP Math
                ,
                ,
                ,
                , // used by WP Military history & WP Highways
                , // used by WP Military history
                , // used by WP Military history
                ,
                , // used by WP Plants
                ,
                ,
            ];
        //evaluate the standard checks
        $.each(standardChecks, function (i, e) {
            if (text.match(e)) {
                rating = e;
                return false;
            }
        });
        //and then the nonstandard ones. These override earlier ratings if applicable.
        if (rating === "a" && text.match(/\|\s*class\s*=\s*ga\b|\|\s*currentstatus\s*=\s*(ffa\/)?ga\b/i)) {
            rating = "a/ga"; // A-class articles that are also GA's
        } else if (text.match(/\|\s*class\s*=\s*ga\b|\|\s*currentstatus\s*=\s*(ffa\/)?ga\b|\{\{\s*ga\s*\|/i) &&
                !text.match(/\|\s*currentstatus\s*=\s*dga\b/i)) {
            rating = "ga";
        }
        return rating;
    };
    /**
     * Searches the provided wikicode for data on the article's current and past
     * featured or good status and returns an object that contains this data
     * along with some miscellaneous other bits of information.
     * @param {String} text - some wikitext to be searched for assessment info
     * @return {Object} gottenAssessment - the assessment data for the page
     */
    am.getAssessment = function (text) {
        var gottenAssessment = {
            rating: am.getRating(text),
            pageLink: ,
            extra: ,
            activeReview: null,
            exists: true
        },
            actionNumber = 0,
            pageLinkFlag = false,
            peerReview, linkPattern, linkMatch, currentList, formerList;
        currentList = [
            // Current nominations (FAC, FLC, or GAN)
            {
                reg: /\{\{\s*featuredarticlecandidates\s*(?:\s*(*))?*?\}\}/i,
                extraName: "fac",
                addArticleNameTo: "Misplaced Pages:Featured_article_candidates\/"
            },
            {
                reg: /\{\{\s*featuredlistcandidates\s*(?:\s*(*))?*?\}\}/i,
                extraName: "flc",
                addArticleNameTo: "Misplaced Pages:Featured_list_candidates\/"
            },
            {
                reg: /\{\{\s*ga ?nominee\s**\}\}/i,
                extraName: "gan",
                addMatchReg: /\|\s*page\s*=\s*(\d+).*\|\s*status\s*=\s*\w+\b/i,
                addMatchTo: "Talk:" + mw.config.get("wgPageName") + "\/GA"
            },
            // Current reviews of a status (FAR, FLRC, or GAR)
            {
                reg: /\{\{\s*featuredarticlereview\s*(?:\s*(*))?*?\}\}/i,
                extraName: "far",
                addArticleNameTo: "Misplaced Pages:Featured_article_review\/"
            },
            {
                reg: /\{\{\s*featuredlistremovalcandidates\s*(?:\s*(*))?*?\}\}/i,
                extraName: "flrc",
                addArticleNameTo: "Misplaced Pages:Featured_list_removal_candidates\/"
            },
            {
                reg: /\{\{\s*gar\/link\s**\}\}/i,
                extraName: "gar",
                addMatchReg: /\|\s*GARpage\s*=\s*(\d+).*\|/i,
                addMatchTo: mw.config.get("wgPageName")
            }
        ];
        $.each(currentList, function (i, e) {
            var reg = text.match(e.reg),
                articleName,
                tempMatch;
            if (reg) {
                gottenAssessment.extra.push(e.extraName);
                if (e.hasOwnProperty("addArticleNameTo") && reg) {
                    articleName = am.decodeEntities($.trim(reg));
                    if (articleName) {
                        gottenAssessment.pageLink = e.addArticleNameTo + articleName;
                    }
                }
                if (e.hasOwnProperty("addMatchReg")) {
                    tempMatch = reg.match(e.addMatchReg);
                    if (tempMatch) {
                        gottenAssessment.pageLink = (e.addMatchTo || "") + (tempMatch || "");
                    }
                    if (e.extraName === "gar") { //Can't get around this special case easily
                        gottenAssessment.pageLink = am.getGARLink(e.addMatchTo, tempMatch);
                    }
                }
                return false;
            }
        });
        formerList = [
            // Former statuses (FFA, FFL, or DGA)
            {
                name: "ffa",
                reg: /\|\s*currentstatus\s*=\s*ffa\b/i,
                getActionNumber: true,
                getActionNumberReg: /\|\s*action(\d+)\s*=\s*far\b/gi
            },
            {
                name: "ffa",
                reg: /\|\s*action(\d+)\s*=\s*far\b/gi,
                extraCondition: function (ec_reg) {
                //Checks if the last FAR entry in ArticleHistory resulted in removal.
                    var match, ratingSearch;
                    if (!ec_reg) {
                        return false;
                    }
                    match = text.match(new RegExp(
                        "\\|\\s*action" + ec_reg.match(/\d+/) + "result\\s*=\\s*removed\\b",
                        "i"
                    ));
                    ratingSearch = (gottenAssessment.rating.search(/f/i) === -1);
                    return (match && ratingSearch);
                },
                getActionNumber: true
            },
            {
                name: "ffa",
                reg: /\{\{\s*formerfa2?\b/i
            },
            {
                name: "ffl",
                reg: /\|\s*currentstatus\s*=\s*ffl\b/i
            },
            {
                name: "ffl",
                reg: /\{\{\s*ffl\s*/i
            },
            {
                name: "dga",
                reg: /\|\s*currentstatus\s*=\s*dga\b/i,
                getActionNumber: true,
                getActionNumberReg: /\|\s*action(\d+)\s*=\s*gar\b/gi
            },
            {
                name: "dga",
                reg: /\{\{\s*d(elisted)?ga\s*/i
            },
            // Former nominations (former FAC, FLC, or GAN)
            {
                name: "ffac",
                reg: /\|\s*action(\d+)\s*=\s*fac\b/gi,
                extraCondition: function () {
                    return (gottenAssessment.rating.search(/f/i) === -1);
                },
                getActionNumber: true
            },
            {
                name: "ffac",
                reg: /\|\s*currentstatus\s*=\s*ffac\b/i
            },
            {
                name: "ffac",
                reg: /\{\{\s*fac?(failed|(\-|\()?contested\)?)\s*/i
            },
            {
                name: "fflc",
                reg: /\|\s*action(\d+)\s*=\s*flc\b/gi,
                extraCondition: function () {
                    return (gottenAssessment.rating.search(/f/i) === -1);
                },
                getActionNumber: true
            },
            {
                name: "fflc",
                reg: /\|\s*currentstatus\s*=\s*fflc\b/i
            },
            {
                name: "fgan",
                reg: /\|\s*action(\d+)\s*=\s*gan\b/gi,
                extraCondition: function () {
                    return (gottenAssessment.rating.search(/f|(a\/)?ga/i) === -1);
                },
                getActionNumber: true
            },
            {
                name: "fgan",
                reg: /\|\s*currentstatus\s*=\s*fgan\b/i
            },
            {
                name: "fgan",
                reg: /\{\{\s*f(ailed ?)?ga\s*/i
            }
        ];
        $.each(formerList, function (i, e) {
            var reg = text.match(e.reg),
                extraCondition = !e.hasOwnProperty("extraCondition") ||
                    typeof e.extraCondition !== "function" ||
                    e.extraCondition(reg), //either true (ignored) or result of function
                tempMatch;
            if (reg && extraCondition) {
                gottenAssessment.extra.push(e.name);
                if (e.getActionNumber) {
                    tempMatch = (e.getActionNumberReg ? text.match(e.getActionNumberReg) : reg);
                    actionNumber = tempMatch.match(/\d+/);
                    pageLinkFlag = true;
                }
                return false;
            }
        });
        // Looks for currently active peer reviews
        ap.showOldPeerReviews = false; //see TODO below
        peerReview = text.match(/\{\{\s*peer?review\s*\|\s*archive\s*=\s*(\d+)\b/i);
        if (peerReview) {
            gottenAssessment.review = "Misplaced Pages:Peer_review/" +
                mw.config.get("wgPageName") + "/archive" + peerReview;
            gottenAssessment.activeReview = true;
        } else if (ap.showOldPeerReviews) {
            $.noop(); // TODO: Add code for old peer reviews
        } else {
            gottenAssessment.review = null;
        }
        // Scans for the link associated with an action in ArticleHistory
        if (pageLinkFlag) {
            linkPattern = new RegExp("\\|\\s*action" + actionNumber + "link\\s*=\\s*(+)\\s*\\|");
            linkMatch = text.match(linkPattern);
            gottenAssessment.pageLink = linkMatch ? am.decodeEntities(linkMatch) : null;
        }
        return gottenAssessment;
    };
    /**
     * Parses an assessment object into the HTML and CSS code needed to update
     * the article header. If it doesn't recognize a part of the information
     * given, it will simply ignore it and mark as unassessed.
     * @param {Object} assess - assessment information for this article
     * @return {String} newClass - the CSS class corresponding to its assessment
     * @return {String} slogan - HTML giving (with a link) the main assessment
     * @return {String} info - HTML giving (with a link) additional information
     */
    am.renderAssessment = function (assess) {
        var assessLink = mw.util.getUrl("Misplaced Pages:Content_assessment"),
            peerReviewText = am.addPeerReview(assess.review, assess.activeReview),
            pageLink = assess.pageLink || ,
            info = am.getExtraInfo((assess.extra || ), pageLink),
            newClass,
            slogan,
            ratingList;
        if (peerReviewText) {
            info.push(peerReviewText);
        }
        ratingList = [
            {
                name: "a",
                className: "assess-a-text",
                text: "An <a>A-class<\/a> article"
            },
            {
                name: "a/ga",
                className: "assess-a-text",
                text: "An <a>A-class<\/a> article",
                info: "Also a <a href=\"" + mw.util.getUrl("Misplaced Pages:Good_articles") + "\">good article<\/a>."
            },
            {
                name: "ga",
                className: "assess-ga-text",
                text: "A <a>good article<\/a>",
                url: mw.util.getUrl("Misplaced Pages:Good_articles")
            },
            {
                name: "b",
                className: "assess-b-text",
                text: "A <a>B-class<\/a> article"
            },
            {
                name: "bplus",
                className: "assess-bplus-text",
                text: "A <a>B-plus-class<\/a> article",
                url: mw.util.getUrl("Misplaced Pages:WikiProject_Mathematics/Wikipedia_1.0/Grading_scheme")
            },
            {
                name: "c",
                className: "assess-c-text",
                text: "A <a>C-class<\/a> article"
            },
            {
                name: "start",
                className: "assess-start-text",
                text: "A <a>start-class<\/a> article"
            },
            {
                name: "stub",
                className: "assess-stub-text",
                text: "A <a>stub-class<\/a> article"
            },
            {
            	name: "al",
            	className: "assess-al-text",
            	text: "An <a>A-class<\/a> list",
            	url: mw.util.getUrl("Misplaced Pages:WikiProject_Military_history/Assessment") + "#SCALE" //Could use a more general link if one is available
            },
            {
            	name: "bl",
            	className: "assess-bl-text",
            	text: "A <a>B-class<\/a> list",
            	url: mw.util.getUrl("Misplaced Pages:WikiProject_Military_history/Assessment") + "#SCALE"
            },
            {
            	name: "cl",
            	className: "assess-cl-text",
            	text: "A <a>C-class<\/a> list",
            	url: mw.util.getUrl("Misplaced Pages:WikiProject_Military_history/Assessment") + "#SCALE"
            },
            {
                name: "sl",
                className: "assess-sl-text",
                text: "A <a>stub-class<\/a> list"
            },
            {
                name: "list",
                className: "assess-list-text",
                text: "A <a>list-class<\/a> article",
                url: mw.util.getUrl("Misplaced Pages:Stand-alone lists")
            },
            {
                name: "dab",
                className: "assess-dab-text",
                text: "A <a>disambiguation page<\/a>",
                url: mw.util.getUrl("Misplaced Pages:Disambiguation")
            },
            {
                name: "setindex",
                className: "assess-setindex-text",
                text: "A <a>set index article<\/a>",
                url: mw.util.getUrl("Misplaced Pages:Set_index_articles")
            },
            {
                name: "redir",
                className: "assess-redir-text",
                text: "A <a>redirect page<\/a>",
                url: mw.util.getUrl("Help:Redirect")
            },
            {
                name: "fl",
                className: "assess-fl-text",
                text: "A <a>featured list<\/a>",
                url: mw.util.getUrl("Misplaced Pages:Featured_lists")
            },
            {
                name: "fa",
                className: "assess-fa-text",
                text: "A <a>featured article<\/a>",
                url: mw.util.getUrl("Misplaced Pages:Featured_articles")
            },
            {
                name: "cur",
                className: "assess-cur-text",
                text: "A <a>current-class<\/a> article",
                url: mw.util.getUrl("Portal:Current_events")
            },
            {
                name: "future",
                className: "assess-future-text",
                text: "A <a>future-class<\/a> article",
                url: mw.util.getUrl("Category:Future-Class_articles")
            }
        ];
        $.each(ratingList, function (i, e) {
            if (assess.rating === e.name) {
                newClass = e.className;
                slogan = $("").html(e.text).children().attr({href: (e.url || assessLink)}).parent().html();
                if (e.info) {
                    info.push(e.info);
                }
                return false;
            }
        });
        if (!newClass) {
            newClass = "assess-unassessed-text";
            slogan = "An <a href=\"" + assessLink + "\">unassessed<\/a> article";
        }
        return {newClass: newClass, slogan: slogan, info: info};
    };
    /**
     * Creates an info string based on the assessment info and a page link.
     */
    am.getExtraInfo = function (extra, pageLink) {
        var info = , page = mw.config.get("wgPageName"), typeList;
        typeList = [
            // Current nominations and reviews
            {
                name: "fac",
                html: "Currently a <a>featured article candidate<\/a>.",
                url: pageLink || ("Misplaced Pages:Featured_article_candidates/" + page)
            },
            {
                name: "flc",
                html: "Currently a <a>featured list candidate<\/a>.",
                url: pageLink || ("Misplaced Pages:Featured_list_candidates/" + page)
            },
            {
                name: "gan",
                html: "Currently a <a>good article nominee<\/a>.",
                url: pageLink || "Misplaced Pages:Good_article_nominations"
            },
            {
                name: "far",
                html: "Currently undergoing <a>review<\/a> of its featured status.",
                url: pageLink || ("Misplaced Pages:Featured_article_review/" + page)
            },
            {
                name: "flrc",
                html: "Currently a <a>featured list removal candidate<\/a>.",
                url: pageLink || ("Misplaced Pages:Featured_list_removal_candidates/" + page)
            },
            {
                name: "gar",
                html: "Currently undergoing a <a>good article reassessment<\/a>.",
                url: pageLink || "Misplaced Pages:Good_article_reassessment",
                wrapper: "<\/span>"
            },
            // Past statuses and nominations
            {
                name: "ffa",
                html: "A <a>former<\/a> featured article.",
                url: pageLink || ("Misplaced Pages:Featured_article_review/" + page)
            },
            {
                name: "ffl",
                html: "A <a>former<\/a> featured list.",
                url: pageLink || ("Misplaced Pages:Featured_list_removal_candidates/" + page)
            },
            {
                name: "dga",
                html: "A <a>delisted<\/a> good article.",
                url: pageLink || "Misplaced Pages:Good_article_reassessment"
            },
            {
                name: "ffac",
                html: "A former <a>featured article candidate<\/a>.",
                url: pageLink || ("Misplaced Pages:Featured_article_candidates/" + page)
            },
            {
                name: "fflc",
                html: "A former <a>featured list candidate<\/a>.",
                url: pageLink || ("Misplaced Pages:Featured_list_candidates/" + page)
            },
            {
                name: "fgan",
                html: "A former <a>good article nominee<\/a>.",
                url: pageLink || "Misplaced Pages:Good_article_nominations"
            }
        ];
        $.each(typeList, function (i, e) {
            if (extra.indexOf(e.name) !== -1) {
                info.push($("").html(e.html).children().attr({href: mw.util.getUrl(e.url)})
                    .parent().wrapInner(e.wrapper || null).html());
            }
        });
        return info;
    };
    /**
     * Get the correct link for Good Article reassessments. These things require an
     * additional AJAX request to determine whether it's a community or individual
     * reassessment. The trick is to assume it's a community reassessment, then
     * switch the link once the request returns if it's actually not.
     * @param {String} articleName - the name of the article to use
     * @param {String} reviewNumber - the number of the GAR to look for
     */
    am.getGARLink = function (articleName, reviewNumber) {
        var communityTitle = "Misplaced Pages:Good_article_reassessment\/" + articleName + "\/" + reviewNumber,
            individualTitle = "Talk:" + articleName + "\/GA" + reviewNumber,
            titlesList = ,
            api = new mw.Api();
        api.get({
            action: "query",
            titles: titlesList.join("|"),
            prop: "info",
            format: "json"
        }).done(function (data) {
            var i, j, noCommunityAssessment,
                query = data.query,
                communityTitleNorm = titlesList,
                individualTitleNorm = titlesList,
                len = query.normalized.length,
                garLink = $("#assess-gar-link a:first");
            for (j = 0; j < len; j++) {
                switch (query.normalized.from) {
                case titlesList:
                    communityTitleNorm = query.normalized.to;
                    break;
                case titlesList:
                    individualTitleNorm = query.normalized.to;
                    break;
                }
            }
            noCommunityAssessment = false;
            for (i = -1; i >= -2; i--) {
                if (query.pages && typeof query.pages.missing === "string") {
                    if (query.pages.title === individualTitleNorm) {
                        // No individual assessment, no need to change anything.
                        return;
                    }
                    if (query.pages.title === communityTitleNorm) {
                        // There's no community assessment, so flag it.
                        noCommunityAssessment = true;
                    }
                }
            }
            if (noCommunityAssessment && garLink.length) {
                // There's an individual assessment but no community assessment. Switch the link.
                garLink.attr("href", mw.util.getUrl(titlesList));
            }
        });
        return communityTitle;
    };
    /**
     * Creates the peer review text from an info string, if a peer review was detected earlier.
     */
    am.addPeerReview = function (peerReview, activeReview) {
        var reviewText = null;
        if (peerReview) {
            reviewText = $("" +
                (activeReview ? "Currently being" : "Previously") + " <a>peer reviewed<\/a>.<\/span><\/div>");
            reviewText.find("a").attr({href: mw.util.getUrl(peerReview)});
            reviewText = reviewText.html(); //Note div wrapper above.
        }
        return reviewText;
    };
    /**
     * Updates article header with new assessment information by giving it a new
     * class (for style information such as color) and altering the tagline below
     * it to state the assessment found.
     */
    am.update = function () {
        var info = ap.updata.info,
            infoSpan = $("<\/span>"),
            siteSub = $("<\/span> <\/div>");
        siteSub.children().html(ap.updata.slogan);
        if (info && info.length > 0) {
            infoSpan.html(".");
            $.each(info, function (i, e) {
                infoSpan.append(" ").append(e);
            });
            siteSub.append(infoSpan);
        }
        $("h1:first").addClass(ap.updata.newClass || null);
        $("#siteSub").html(siteSub.html());
    };
    /**
     * Decodes all HTML entities in the string provided.
     */
    am.decodeEntities = function (str) {
        var t = document.createElement("textarea");
        t.innerHTML = str;
        return t.value;
    };
    return assessmentObj;
}());
/**
 * Initializes the script on page load
 */
$(assessment.init);