const logContainer = document.getElementById('log-container');
const queryInput = document.getElementById('query');

const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
let query = urlParams.get('q');
if (query === null) {
    query = '';
} else {
    queryInput.value = query.trim();
}

logContainer.innerHTML = '';

function escapeHtml(unsafe) {
    if (!unsafe) return '';
    return unsafe
        .replace(/&/g, "&")
        .replace(/</g, "&lt;")
        .replace(/>/g, "&gt;")
        .replace(/"/g, "&quot;")
        .replace(/'/g, "&#039;");
}

function ircAction(text) {
    const regex =
    /^(\[[^\]]+\])(\s*<)([^>]+)(>:\s*)(\u0001ACTION\s+)([^\u0001]+)(\u0001)(.*)$/gm;
    const replacement = '$1 * $3 $6$8';
    return text.replace(regex, replacement);
}			  

function linkify(text) {
    const urlRegex = /(\b(https?):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
    return text.replace(urlRegex, function(url) {
        return `<a href="${url}" target="_blank">${url}</a>`;
    });
}

function aggrLog(data) {
    const logsByDate = {};
    const lines = data.trim().split('\n');

    lines.forEach(line => {
        const match = line.match(/^\.\/(\d{4}\/\d{2}-\d{2})\.txt:(.*)/);
        if (match) {
            const fullDate = match[1].replace('/', '-');
            const logContent = match[2].trim();
            if (!logsByDate[fullDate]) {
                logsByDate[fullDate] = [];
            }
            logsByDate[fullDate].push(logContent);
        }
    });
    const dates = Object.keys(logsByDate);
    const sortedDates = dates.sort().reverse();
    let ret = '';
    sortedDates.forEach(date => {
        year = date.substring(0, 4);
        month = date.substring(5, 7);
        day = date.substring(8, 10);
        url = '../view/?chan=main&y=' + year + '&m=' + month + '&d=' + day;
        ret = ret + '\n=== <a href=' + url + ' target=\'_blank\'>' + date + '</a> ===' + '\n';
        logsByDate[date].forEach(log => {
            ret = ret + log + '\n';
        });
    });
    return ret;
}

function logProcess(text) {
    text = ircAction(text);
    text = escapeHtml(text);
    text = aggrLog(text);
    text = linkify(text);
    return text;
}

function loadLog() {
    if (query === '') return;
    let targetUrl = 'https://raye.mistivia.com/cgi-bin/irclogsearch/?' + encodeURIComponent(query);
    fetch(targetUrl)
        .then(response => {
            if (!response.ok) {
                throw new Error(`HTTP Error: ${response.status} ${response.statusText} for hash: ${urlHash}`);
            }
            return response.text();
        })
        .then(text => {
            logContainer.innerHTML = `<pre>${logProcess(text.trim())}</pre>`;
        })
        .catch(error => {
            console.error('Fetch error:', error);
            logContainer.innerHTML = '';
        });
}

loadLog();

function search() {
    query = queryInput.value.trim();
    window.history.replaceState(null, '', window.location.origin + window.location.pathname + '?q=' + encodeURIComponent(query));
    loadLog();
}

function handleEnter(event) {
    if (event.key === 'Enter' || event.keyCode === 13) {
        event.preventDefault();
        search(); 
    }
}

queryInput.addEventListener('keyup', handleEnter);