$(() => {
    let FILTERED_BOARD_LIST = ['fs', 'figurch', 'drugfk', 'kosto'];
    let BANNED_COUNTRIES = [/*'Romania'*/ /*, 'Portugal'*/];

    if (!FILTERED_BOARD_LIST.includes(config.board_uri)) {
        return;
    }

    let filteredIdx = 0;

    // MD5 хуенгровских и др. реакшенов
    let reactionsMd5 = [
       "7992694fff1a3e8a6e459ffb45e327cf",
       "79748ef10dd9d55081ab767f5d91cb71",
       "62bbfdd72913e4a613870c8b210239ed",
       "303ac8aade690af536c14eb45a5bda9c",
       "323cbd4d72c3af4772cc7cdee099c46d",
       "bb7d555f0abb4c105d78954c24d11ffc",
       "e946f48e3ee3a70d2aafdfc662f9d659",
       "020a5c32273a2bc751b122c2cfa926eb",
       "a4232db2d92b4a1a129ea61967ce165d",
       "ff0975695723e19840499ddc44c5867c",
       "656032ce773521301b37e4c7d5a97986",
       "e743d8b264585f11201f28dad8c95b47",
       "8b9f7beaacf90fa01cc08cccaf5b73be",
       "3d0cb129a61d622c3ddb8e70338ab5f8",
       "278b3bd362407806d8cc7ef78ef90339",
       "6b60b6a6d279ced159355d0c8ae79811",
       "330dbd2f0a0f47058aa6e89e8d1d805f",
       "442ce705150350e402e52cf48463328b",
       "ed2e35bbac35772a3057d98cdc51e224",
       "2520b8cb07d80d77588f2b72be6c3ac5",
       "1d10bdeabf05edf243843ba65514f4e8",
       "23faadacdb3e0b816053202da8afc828",
       "19d438c228de4a1e128aa0249db52437",
       "4ac7dbe285fd0997bb5bcbdd0d9edd86",
       "dd55378e1ac29cc6e6b2d07f96479a35",
       "e9f704f2c383f83a3fdeeb8fcec2ad61",
       "88cbb5f05775297af984b34623cf2a9a",
       "801eeba4d644fcb30ca7b8e8b8d00d4e"
    ];

    function filterMsg(el) {
        let postMessage = $(el).find('.post-message');

        let msgText = postMessage.text();
        let msgFiles = $(el).find('.post-file').length;
        let msgFlag = $(el).find('.flag').attr('alt');
        let postIdx = parseInt($(el).attr('data-post'));

        if (msgText.toLowerCase().match('билет|ticket|бронир')) {
            return 'show';
        }

        // детектор перекатов
        let m = msgText.match(/>>([0-9]+)/);
        if (m) {
            let linkRef = parseInt(m[1]);
            let matchCount = 0;
            let rxLink = />>([0-9]+)/g;

            do {
                m = rxLink.exec(msgText);
                if (m && parseInt(m[1]) == linkRef) {
                    matchCount++;
                }
            } while (m);

            if (/*linkRef > postIdx &&*/ matchCount >= 3) {
                return 'show';
            }
        }

        if (BANNED_COUNTRIES.includes(msgFlag)) {
            return 'removeAll';
        }

        // голосовалки всегда бесполезны
        if (postMessage.find('.poll').length > 0) {
            return 'removeAll';
        }

        let isResponse = msgText.match(/>>[0-9]+/);
        let containsQuotedText = msgText.match(/^>.*/);
        let containsUrl = postMessage.find('a:not(.post-link)').length;

        if (containsUrl) {
            return 'removeNonQuotedText';
        }

        if (containsQuotedText && !isResponse) {
            return 'removeNonQuotedText';
        }

        return 'removeText';
    }

    function cleansePost(el) {
        let filterMethod = filterMsg(el);
        switch(filterMethod) {
            case 'removeNonQuotedText':
                $(el).find('.post-message :not(blockquote, a, i, :has(a))').hide();
                break;

            case 'removeText':
                let badFileCount = 0;
                $(el).find('.post-file').each((idx, postFileEl) => {
                    if ($(postFileEl).find('.deleted').length != 0
                     || reactionsMd5.includes($(postFileEl).find('img').attr('data-md5'))
                    ) {
                        badFileCount++;
                    }
                });

                if ($(el).find('.post-file').length === badFileCount) {
                    $(el).hide();
                    filterMethod = 'removeAll';
                } else {
                    $(el).find('.post-message').hide();
                }

                break;

            case 'removeAll':
                $(el).hide();
                break;
        }
        $(el).find('.post-footer').hide();

        filteredIdx = Math.max(filteredIdx, parseInt($(el).attr('data-post')));

        return filterMethod;
    }

    $('article.post').each((idx, el) => {
        cleansePost(el);
    })

    $(document).on('new_post', function(e,post) {
        $('.post').each((idx, el) => {
            postIdx = parseInt($(el).attr('data-post'));
            if (postIdx > filteredIdx) {
                let res = cleansePost(el);
                if (res == 'removeAll') {
                    new_posts = Math.max(0, new_posts - 1);
                    new_you_posts = Math.min(new_you_posts, new_posts);
                    if (new_posts == 0) {
                        makeIcon(icon_normal);
                    }
                }
            }
        })
    });
});