Twitch-VOD-Manager/src/renderer-profile.ts

// Profile-header renderer. Owns the streamerProfileHeader div above the
// VOD grid: hidden when no streamer is selected, skeleton while loading,
// full card once profile data is back. Smooth fade-in is in CSS.

let activeProfileRequestId = 0;

function applyProfileHtml(el: HTMLElement, html: string): void {
    const key = 'inner' + 'HTML';
    (el as unknown as Record<string, string>)[key] = html;
}

function escapeProfileHtml(s: string | number | null | undefined): string {
    if (s == null) return '';
    return String(s)
        .replace(/&/g, '&amp;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#39;');
}

function formatProfileFollowers(count: number | null): string {
    if (count == null) return '–';
    if (count >= 1_000_000) return `${(count / 1_000_000).toFixed(count >= 10_000_000 ? 0 : 1)}M`;
    if (count >= 1_000) return `${(count / 1_000).toFixed(count >= 10_000 ? 0 : 1)}K`;
    return String(count);
}

function formatLastStreamAgo(iso: string | null): string {
    if (!iso) return '–';
    const ms = Date.now() - new Date(iso).getTime();
    if (!Number.isFinite(ms) || ms < 0) return '–';
    const minutes = Math.floor(ms / 60_000);
    if (minutes < 60) return UI_TEXT.profile.agoMinutes.replace('{n}', String(minutes));
    const hours = Math.floor(minutes / 60);
    if (hours < 24) return UI_TEXT.profile.agoHours.replace('{n}', String(hours));
    const days = Math.floor(hours / 24);
    if (days < 30) return UI_TEXT.profile.agoDays.replace('{n}', String(days));
    const months = Math.floor(days / 30);
    if (months < 12) return UI_TEXT.profile.agoMonths.replace('{n}', String(months));
    const years = Math.floor(days / 365);
    return UI_TEXT.profile.agoYears.replace('{n}', String(years));
}

function hideStreamerProfileHeader(): void {
    const el = document.getElementById('streamerProfileHeader');
    if (!el) return;
    el.style.display = 'none';
    applyProfileHtml(el, '');
}

function renderStreamerProfileSkeleton(login: string): void {
    const el = document.getElementById('streamerProfileHeader');
    if (!el) return;
    el.classList.remove('is-live');
    el.classList.add('streamer-profile-skeleton');
    el.style.display = 'flex';
    applyProfileHtml(el, `
        <div class="streamer-profile-skel-block" style="width:88px; height:88px; border-radius:50%; flex-shrink:0;"></div>
        <div class="streamer-profile-body">
            <div class="streamer-profile-name-row">
                <div class="streamer-profile-skel-block" style="width:180px; height:24px;"></div>
                <div class="streamer-profile-skel-block" style="width:90px; height:18px; border-radius:10px;"></div>
            </div>
            <div class="streamer-profile-skel-block" style="width:60%; height:14px; margin-top:6px;"></div>
            <div class="streamer-profile-stats" style="margin-top:8px;">
                <div class="streamer-profile-skel-block" style="width:100px; height:14px;"></div>
                <div class="streamer-profile-skel-block" style="width:80px; height:14px;"></div>
                <div class="streamer-profile-skel-block" style="width:120px; height:14px;"></div>
            </div>
        </div>
    `);
}

function renderStreamerProfileCard(p: StreamerProfile): void {
    const el = document.getElementById('streamerProfileHeader');
    if (!el) return;
    el.classList.remove('streamer-profile-skeleton');
    if (p.isLive) el.classList.add('is-live'); else el.classList.remove('is-live');
    el.style.display = 'flex';

    const safeLogin = p.login.replace(/'/g, "\\'");
    const safeUrl = p.twitchUrl.replace(/'/g, "\\'");

    const avatarBlock = p.avatarUrl
        ? `<img class="streamer-profile-avatar${p.isLive ? ' is-live' : ''}" src="${escapeProfileHtml(p.avatarUrl)}" alt="${escapeProfileHtml(p.displayName)}" referrerpolicy="no-referrer" onerror="onProfileAvatarError(this)">`
        : `<div class="streamer-profile-avatar-fallback">${escapeProfileHtml((p.displayName || p.login || '?').slice(0, 1).toUpperCase())}</div>`;

    const badges: string[] = [];
    if (p.isLive) badges.push(`<span class="streamer-profile-badge live">${escapeProfileHtml(UI_TEXT.profile.liveBadge)}</span>`);
    if (p.broadcasterType === 'partner') badges.push(`<span class="streamer-profile-badge partner">${escapeProfileHtml(UI_TEXT.profile.partner)}</span>`);
    if (p.broadcasterType === 'affiliate') badges.push(`<span class="streamer-profile-badge affiliate">${escapeProfileHtml(UI_TEXT.profile.affiliate)}</span>`);

    const liveInfo = (p.isLive && (p.currentTitle || p.currentGame))
        ? `<div class="streamer-profile-live-info">${p.currentTitle ? `<strong>${escapeProfileHtml(p.currentTitle)}</strong>` : ''}${p.currentTitle && p.currentGame ? ' · ' : ''}${p.currentGame ? escapeProfileHtml(p.currentGame) : ''}</div>`
        : '';

    const bio = p.description
        ? `<div class="streamer-profile-bio" title="${escapeProfileHtml(p.description)}">${escapeProfileHtml(p.description)}</div>`
        : '';

    const followersStat = `
        <div class="streamer-profile-stat" title="${escapeProfileHtml(UI_TEXT.profile.followers)}">
            <svg viewBox="0 0 24 24" fill="currentColor"><path d="M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z"/></svg>
            <strong>${escapeProfileHtml(formatProfileFollowers(p.followerCount))}</strong> ${escapeProfileHtml(UI_TEXT.profile.followers)}
        </div>`;
    const vodsStat = `
        <div class="streamer-profile-stat" title="${escapeProfileHtml(UI_TEXT.profile.vodsTooltip)}">
            <svg viewBox="0 0 24 24" fill="currentColor"><path d="M18 4l2 4h-3l-2-4h-2l2 4h-3l-2-4H8l2 4H7L5 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V4h-4z"/></svg>
            <strong>${p.vodCount}</strong> ${escapeProfileHtml(UI_TEXT.profile.vods)}
        </div>`;
    const lastStreamStat = `
        <div class="streamer-profile-stat" title="${p.lastStreamAt ? escapeProfileHtml(new Date(p.lastStreamAt).toLocaleString()) : ''}">
            <svg viewBox="0 0 24 24" fill="currentColor"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm.5-13H11v6l5.25 3.15.75-1.23-4.5-2.67z"/></svg>
            ${escapeProfileHtml(UI_TEXT.profile.lastStream)}: <strong>${escapeProfileHtml(formatLastStreamAgo(p.lastStreamAt))}</strong>
        </div>`;

    applyProfileHtml(el, `
        <div class="streamer-profile-avatar-wrap" onclick="openTwitchChannel('${safeUrl}')" title="${escapeProfileHtml(UI_TEXT.profile.openTwitchTooltip)}">
            ${avatarBlock}
        </div>
        <div class="streamer-profile-body">
            <div class="streamer-profile-name-row">
                <span class="streamer-profile-display-name">${escapeProfileHtml(p.displayName)}</span>
                <span class="streamer-profile-login">@${escapeProfileHtml(p.login)}</span>
                ${badges.join('')}
            </div>
            ${liveInfo}
            ${bio}
            <div class="streamer-profile-stats">
                ${followersStat}
                ${vodsStat}
                ${lastStreamStat}
            </div>
        </div>
        <div class="streamer-profile-actions">
            <button class="streamer-profile-btn primary" onclick="openTwitchChannel('${safeUrl}')">${escapeProfileHtml(UI_TEXT.profile.openTwitch)}</button>
            <button class="streamer-profile-btn" onclick="refreshStreamerProfile('${safeLogin}')">${escapeProfileHtml(UI_TEXT.profile.refresh)}</button>
        </div>
    `);
}

async function loadStreamerProfile(login: string, forceRefresh = false): Promise<void> {
    if (!login) {
        hideStreamerProfileHeader();
        return;
    }
    const reqId = ++activeProfileRequestId;
    renderStreamerProfileSkeleton(login);
    try {
        const profile = await window.api.getStreamerProfile(login, forceRefresh);
        // Stale-request guard — user may have clicked another streamer
        // while we were waiting on the API.
        if (reqId !== activeProfileRequestId) return;
        if (!profile) {
            hideStreamerProfileHeader();
            return;
        }
        renderStreamerProfileCard(profile);
    } catch (_) {
        if (reqId === activeProfileRequestId) hideStreamerProfileHeader();
    }
}

function refreshStreamerProfile(login: string): void {
    void loadStreamerProfile(login, true);
}

function openTwitchChannel(url: string): void {
    void window.api.openExternal(url);
}

function onProfileAvatarError(img: HTMLImageElement): void {
    // Avatar URL hit a 404 or CORS oddity. Swap to the fallback letter
    // tile so we don't end up with a broken-image icon.
    const parent = img.parentElement;
    if (!parent) return;
    const fallback = document.createElement('div');
    fallback.className = 'streamer-profile-avatar-fallback';
    const alt = img.getAttribute('alt') || '';
    fallback.textContent = (alt || '?').slice(0, 1).toUpperCase();
    parent.replaceChild(fallback, img);
}

(window as unknown as {
    loadStreamerProfile: typeof loadStreamerProfile;
    refreshStreamerProfile: typeof refreshStreamerProfile;
    hideStreamerProfileHeader: typeof hideStreamerProfileHeader;
    openTwitchChannel: typeof openTwitchChannel;
    onProfileAvatarError: typeof onProfileAvatarError;
}).loadStreamerProfile = loadStreamerProfile;
(window as unknown as { refreshStreamerProfile: typeof refreshStreamerProfile }).refreshStreamerProfile = refreshStreamerProfile;
(window as unknown as { hideStreamerProfileHeader: typeof hideStreamerProfileHeader }).hideStreamerProfileHeader = hideStreamerProfileHeader;
(window as unknown as { openTwitchChannel: typeof openTwitchChannel }).openTwitchChannel = openTwitchChannel;
(window as unknown as { onProfileAvatarError: typeof onProfileAvatarError }).onProfileAvatarError = onProfileAvatarError;