{% extends "base.html" %}
{% block title %}Migration Hub — Network Design Canvas{% endblock %}

{% block extra_css %}
<style>
/* ── Layout ─────────────────────────────────────────────────────────── */
.hub-header {
    background: linear-gradient(135deg, #1a1f36 0%, #2d3561 100%);
    color: #fff;
    padding: 24px 32px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.hub-header h1 { margin: 0; font-size: 1.6rem; font-weight: 700; }
.hub-header .subtitle { margin: 4px 0 0; font-size: 0.85rem; opacity: 0.75; }
.hub-header .header-actions { display: flex; gap: 8px; flex-shrink: 0; }

.hub-toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.hub-toolbar input,
.hub-toolbar select {
    padding: 7px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.85rem;
    background: #fff;
}
.hub-toolbar input { width: 220px; }

/* ── Project cards ───────────────────────────────────────────────────── */
.project-card {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 24px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.project-card-header {
    background: #f7f9fc;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
}
.project-card-header:hover { background: #eef2f9; }
.project-card-header .proj-name { font-weight: 700; font-size: 1rem; color: #1a202c; }
.project-card-header .proj-meta { font-size: 0.78rem; color: #718096; margin-top: 2px; }
.proj-status-badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
}
.badge-planned    { background: #e9ecef; color: #495057; }
.badge-active     { background: #d4edda; color: #155724; }
.badge-in_progress{ background: #cce5ff; color: #004085; }
.badge-completed  { background: #d1ecf1; color: #0c5460; }
.badge-on_hold    { background: #fff3cd; color: #856404; }
.badge-cancelled  { background: #f8d7da; color: #721c24; }

.project-card-body { padding: 0; }

/* ── Phase timeline ─────────────────────────────────────────────────── */
.phase-timeline {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f4f8;
    overflow-x: auto;
}
.phase-timeline-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 10px;
}
.phase-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    min-width: max-content;
}
.phase-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-width: 120px;
}
.phase-step::after {
    content: '';
    position: absolute;
    top: 14px;
    left: 60%;
    width: calc(100% - 14px);
    height: 2px;
    background: #e2e8f0;
    z-index: 0;
}
.phase-step:last-child::after { display: none; }
.phase-dot {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 3px solid #e2e8f0;
    background: #fff;
    z-index: 1;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 700;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
}
.phase-dot:hover { transform: scale(1.15); box-shadow: 0 2px 8px rgba(0,0,0,.18); }
.phase-dot.planned    { border-color: #cbd5e0; background: #f7fafc; color: #4a5568; }
.phase-dot.pending    { border-color: #cbd5e0; background: #f7fafc; color: #4a5568; }
.phase-dot.in_progress{ border-color: #3182ce; background: #ebf8ff; color: #2b6cb0; }
.phase-dot.completed  { border-color: #38a169; background: #f0fff4; color: #276749; }
.phase-dot.rolled_back{ border-color: #e53e3e; background: #fff5f5; color: #c53030; }
.phase-label {
    font-size: 0.7rem;
    color: #4a5568;
    text-align: center;
    margin-top: 6px;
    max-width: 110px;
    word-break: break-word;
    line-height: 1.3;
}
.phase-days { font-size: 0.65rem; color: #718096; margin-top: 2px; }

/* ── Docs grid ──────────────────────────────────────────────────────── */
.docs-section {
    padding: 14px 20px;
}
.docs-section-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}
.doc-card {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 13px;
    background: #fafbfc;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color .15s, box-shadow .15s;
    cursor: default;
}
.doc-card:hover { border-color: #90cdf4; box-shadow: 0 2px 8px rgba(49,130,206,.12); }
.doc-card .doc-type-badge {
    font-size: 0.65rem; font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 2px 7px;
    border-radius: 12px;
    width: fit-content;
}
.dtype-runbook    { background: #fef3c7; color: #92400e; }
.dtype-sop        { background: #dbeafe; color: #1e40af; }
.dtype-as_built   { background: #ede9fe; color: #5b21b6; }
.dtype-change_request { background: #fee2e2; color: #991b1b; }
.dtype-ip_plan    { background: #d1fae5; color: #065f46; }
.dtype-design_doc { background: #e0e7ff; color: #3730a3; }
.dtype-cutover    { background: #fce7f3; color: #9d174d; }
.dtype-general    { background: #f1f5f9; color: #475569; }
.doc-title { font-size: 0.82rem; font-weight: 600; color: #2d3748; line-height: 1.3; }
.doc-meta  { font-size: 0.72rem; color: #718096; }
.doc-note  { font-size: 0.72rem; color: #4a5568; font-style: italic; }

/* ── Phase detail drawer ─────────────────────────────────────────────── */
.phase-drawer {
    display: none;
    border-top: 1px solid #e2e8f0;
    background: #f7f9fc;
    padding: 16px 20px;
}
.phase-drawer.open { display: block; }
.phase-drawer-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.phase-drawer-header h4 { margin: 0; font-size: 0.95rem; color: #2d3748; }
.phase-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.phase-detail-item { font-size: 0.8rem; }
.phase-detail-item .label { color: #718096; font-size: 0.72rem; text-transform: uppercase; font-weight: 600; margin-bottom: 2px; }
.phase-detail-item .value { color: #2d3748; font-weight: 500; }

/* ── Library sidebar ────────────────────────────────────────────────── */
.hub-layout { display: flex; gap: 20px; align-items: flex-start; }
.hub-main { flex: 1; min-width: 0; }
.hub-sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 70px;
}
.sidebar-panel {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    margin-bottom: 16px;
    overflow: hidden;
}
.sidebar-panel-header {
    background: #f7f9fc;
    padding: 10px 14px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.8rem;
    font-weight: 700;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: .05em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-panel-body { padding: 10px 14px; }
.lib-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 7px 0;
    border-bottom: 1px solid #f0f4f8;
    cursor: pointer;
}
.lib-item:last-child { border-bottom: none; }
.lib-item:hover .lib-title { color: #3182ce; }
.lib-icon { font-size: 1rem; flex-shrink: 0; line-height: 1.4; }
.lib-title { font-size: 0.8rem; font-weight: 600; color: #2d3748; line-height: 1.3; }
.lib-sub   { font-size: 0.7rem; color: #718096; margin-top: 2px; }

/* ── Quick-action buttons ───────────────────────────────────────────── */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.qa-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    background: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    color: #4a5568;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}
.qa-btn:hover { background: #ebf8ff; border-color: #90cdf4; color: #2b6cb0; }
.qa-btn.primary { background: #3182ce; border-color: #2b6cb0; color: #fff; }
.qa-btn.primary:hover { background: #2b6cb0; }

/* ── Empty state ──────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #a0aec0;
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.85rem; }

/* ── Misc ─────────────────────────────────────────────────────────────── */
.toggle-icon { transition: transform .2s; }
.collapsed .toggle-icon { transform: rotate(-90deg); }
.section-count {
    background: #e2e8f0; color: #4a5568;
    font-size: 0.7rem; font-weight: 700;
    border-radius: 12px;
    padding: 1px 7px;
    margin-left: 6px;
}
.loading-overlay {
    text-align: center; padding: 60px 20px;
    color: #718096; font-size: 0.9rem;
}
.cui-banner {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-align: center;
    margin-bottom: 16px;
}
</style>
{% endblock %}

{% block content %}
<div class="cui-banner">CUI // SP-CTI — NETWORK MIGRATION HUB — CONTROLLED DOCUMENT</div>

<div class="hub-header">
    <div>
        <h1>Network Migration Hub</h1>
        <p class="subtitle">All migration projects, phases, and associated documentation in one place</p>
    </div>
    <div class="header-actions">
        <a href="/network/" class="qa-btn">← Network Canvas</a>
        <a href="/network/migration-wizard" class="qa-btn">Migration Wizard</a>
        <a href="/data/sops" class="qa-btn">SOP Library</a>
        <button class="qa-btn primary" onclick="refreshHub()">Refresh</button>
    </div>
</div>

<!-- Quick-action row -->
<div class="quick-actions" id="qaRow">
    <a href="/network/wave-planner" class="qa-btn">📅 Wave Planner</a>
    <a href="/network/port-mapping" class="qa-btn">🔌 Port Mapping</a>
    <a href="/network/ask" class="qa-btn">💬 Network AI</a>
    <a href="/network/runbooks" class="qa-btn">📋 Runbooks</a>
    <a href="/network/sops" class="qa-btn">📄 SOPs</a>
    <a href="/network/documents" class="qa-btn">📁 Documents</a>
</div>

<!-- Search toolbar -->
<div class="hub-toolbar">
    <input type="text" id="searchInput" placeholder="Search projects, phases, docs…" oninput="filterHub()">
    <select id="statusFilter" onchange="filterHub()">
        <option value="">All statuses</option>
        <option value="planned">Planned</option>
        <option value="in_progress">In Progress</option>
        <option value="active">Active</option>
        <option value="completed">Completed</option>
        <option value="on_hold">On Hold</option>
    </select>
    <select id="docTypeFilter" onchange="filterHub()">
        <option value="">All doc types</option>
        <option value="runbook">Runbooks</option>
        <option value="sop">SOPs</option>
        <option value="as_built">As-Built</option>
        <option value="change_request">Change Requests</option>
        <option value="ip_plan">IP Plans</option>
        <option value="design_doc">Design Docs</option>
        <option value="general">General</option>
    </select>
    <span id="projectCount" style="font-size:0.8rem;color:#718096;margin-left:4px;"></span>
</div>

<div class="hub-layout">
    <!-- Main content -->
    <div class="hub-main" id="hubMain">
        <div class="loading-overlay" id="loadingOverlay">
            <div>Loading migration data…</div>
        </div>
        <div id="projectList"></div>
    </div>

    <!-- Sidebar: Library -->
    <div class="hub-sidebar" id="hubSidebar" style="display:none;">
        <!-- Topologies -->
        <div class="sidebar-panel">
            <div class="sidebar-panel-header" onclick="toggleSidebarPanel(this)">
                Network Diagrams <span class="toggle-icon">▾</span>
            </div>
            <div class="sidebar-panel-body" id="sideTopo"></div>
        </div>
        <!-- Runbooks -->
        <div class="sidebar-panel">
            <div class="sidebar-panel-header" onclick="toggleSidebarPanel(this)">
                Runbook Library <span class="toggle-icon">▾</span>
            </div>
            <div class="sidebar-panel-body" id="sideRunbooks"></div>
        </div>
        <!-- SOPs -->
        <div class="sidebar-panel">
            <div class="sidebar-panel-header" onclick="toggleSidebarPanel(this)">
                SOP Library <span class="toggle-icon">▾</span>
            </div>
            <div class="sidebar-panel-body" id="sideSops"></div>
        </div>
    </div>
</div>

<!-- Phase detail drawer template (hidden, cloned by JS) -->
<template id="drawerTpl">
    <div class="phase-drawer" id="">
        <div class="phase-drawer-header">
            <h4 class="drawer-phase-title"></h4>
            <button class="qa-btn" onclick="openMigrationPhases(this)">Open 3-Panel Diagram</button>
        </div>
        <div class="phase-detail-grid">
            <div class="phase-detail-item"><div class="label">Status</div><div class="value drawer-status"></div></div>
            <div class="phase-detail-item"><div class="label">Duration</div><div class="value drawer-duration"></div></div>
            <div class="phase-detail-item"><div class="label">Maint. Window</div><div class="value drawer-window"></div></div>
            <div class="phase-detail-item"><div class="label">Parallel Run</div><div class="value drawer-parallel"></div></div>
        </div>
        <div class="docs-section-title">Rollback Criteria</div>
        <p class="drawer-rollback" style="font-size:0.82rem;color:#4a5568;margin:0 0 14px;"></p>
        <div class="docs-section-title">
            Linked Documentation
            <span class="section-count drawer-doc-count">0</span>
        </div>
        <div class="docs-grid drawer-docs"></div>
        <div style="margin-top:12px;" class="drawer-no-docs" style="display:none;">
            <span style="font-size:0.8rem;color:#718096;">No documents linked to this phase yet.</span>
        </div>
    </div>
</template>
{% endblock %}

{% block extra_js %}
<script>
/* ── State ───────────────────────────────────────────────────────────── */
let _hubData = null;           // full API response
let _activeDrawer = null;      // currently open phase drawer el

const DOC_ICONS = {
    runbook: '📋', sop: '📄', as_built: '🏗️',
    change_request: '📝', ip_plan: '🗺️', design_doc: '📐',
    cutover: '✂️', general: '📁',
};
const STATUS_LABELS = {
    planned: 'Planned', in_progress: 'In Progress', active: 'Active',
    completed: 'Completed', on_hold: 'On Hold', cancelled: 'Cancelled',
    rolled_back: 'Rolled Back',
};

/* ── Bootstrap ───────────────────────────────────────────────────────── */
document.addEventListener('DOMContentLoaded', () => loadHub());

async function loadHub() {
    try {
        const res = await fetch('/network/api/migration-hub/data');
        if (!res.ok) throw new Error(`HTTP ${res.status}`);
        _hubData = await res.json();
        renderHub(_hubData);
        renderSidebar(_hubData);
    } catch (e) {
        document.getElementById('loadingOverlay').innerHTML =
            `<div style="color:#e53e3e;">Failed to load hub data: ${e.message}</div>`;
    }
}

function refreshHub() { _hubData = null; document.getElementById('loadingOverlay').style.display=''; loadHub(); }

/* ── Main render ─────────────────────────────────────────────────────── */
function renderHub(data) {
    document.getElementById('loadingOverlay').style.display = 'none';
    document.getElementById('hubSidebar').style.display = '';
    const projects = data.projects || [];
    document.getElementById('projectCount').textContent =
        `${projects.length} project${projects.length !== 1 ? 's' : ''}`;
    renderProjects(projects);
}

function renderProjects(projects) {
    const container = document.getElementById('projectList');
    if (!projects.length) {
        container.innerHTML = `<div class="empty-state">
            <div class="icon">🗺️</div>
            <p>No migration projects found. Create one in the <a href="/network/migration-wizard">Migration Wizard</a>.</p>
        </div>`;
        return;
    }
    container.innerHTML = '';
    projects.forEach(proj => container.appendChild(buildProjectCard(proj)));
}

function buildProjectCard(proj) {
    const card = document.createElement('div');
    card.className = 'project-card';
    card.dataset.projId = proj.id;
    card.dataset.status = proj.status || '';
    card.dataset.name = (proj.name || '').toLowerCase();

    const statusKey = proj.status || 'planned';
    const phases = proj.phases || [];
    const docs = proj.documents || [];
    const totalDays = phases.reduce((s, p) => s + (p.duration_days || 0), 0);

    card.innerHTML = `
        <div class="project-card-header" onclick="toggleCard(this)">
            <span class="proj-status-badge badge-${statusKey}">${STATUS_LABELS[statusKey] || statusKey}</span>
            <div style="flex:1;min-width:0;">
                <div class="proj-name">${esc(proj.name)}</div>
                <div class="proj-meta">
                    ${phases.length} phase${phases.length !== 1?'s':''} &nbsp;·&nbsp;
                    ${totalDays} day${totalDays !== 1?'s':''} total &nbsp;·&nbsp;
                    ${docs.length} doc${docs.length !== 1?'s':''}
                    ${proj.owner ? ' &nbsp;·&nbsp; Owner: ' + esc(proj.owner) : ''}
                </div>
            </div>
            <span class="toggle-icon" style="font-size:1.1rem;color:#718096;">▾</span>
            <a href="/network/projects/${proj.id}" target="_blank" onclick="event.stopPropagation()" class="qa-btn" style="font-size:11px;padding:3px 10px;margin-left:6px;" title="Open unified project dashboard">📊 Dashboard</a>
        </div>
        <div class="project-card-body" style="display:none;">
            ${buildPhaseTimeline(proj, phases)}
            ${buildProjectDocs(proj, docs)}
        </div>
    `;
    return card;
}

function buildPhaseTimeline(proj, phases) {
    if (!phases.length) {
        return `<div class="phase-timeline"><span style="font-size:0.82rem;color:#718096;">No phases defined yet.</span></div>`;
    }
    const steps = phases.map((ph, i) => {
        const st = ph.status || 'planned';
        return `
            <div class="phase-step">
                <div class="phase-dot ${st}" title="${esc(ph.title)}" onclick="toggleDrawer('${ph.id}', '${proj.id}')">
                    ${ph.phase_num || (i + 1)}
                </div>
                <div class="phase-label">${esc(ph.title)}</div>
                <div class="phase-days">${ph.duration_days || 0}d</div>
                ${buildPhaseDrawer(ph, proj)}
            </div>`;
    }).join('');
    return `<div class="phase-timeline">
        <div class="phase-timeline-label">Migration Phases</div>
        <div class="phase-steps">${steps}</div>
    </div>`;
}

function buildPhaseDrawer(ph, proj) {
    const docs = ph.documents || [];
    const docCards = docs.length
        ? docs.map(d => buildDocCard(d)).join('')
        : '<span style="font-size:0.8rem;color:#718096;">No documents linked to this phase yet.</span>';
    const parallel = ph.parallel_run ? 'Yes — parallel operation' : 'No';
    return `
        <div class="phase-drawer" id="drawer-${ph.id}" data-topo-id="${proj.id || ''}">
            <div class="phase-drawer-header">
                <h4>Phase ${ph.phase_num}: ${esc(ph.title)}</h4>
                <div style="display:flex;gap:8px;">
                    ${proj.topology_id ? `<a href="/network/migration-phases/${proj.topology_id}" class="qa-btn" target="_blank">Open 3-Panel Diagram</a>` : ''}
                </div>
            </div>
            <div class="phase-detail-grid">
                <div class="phase-detail-item">
                    <div class="label">Status</div>
                    <div class="value">${STATUS_LABELS[ph.status] || ph.status || 'Planned'}</div>
                </div>
                <div class="phase-detail-item">
                    <div class="label">Duration</div>
                    <div class="value">${ph.duration_days || 0} days</div>
                </div>
                <div class="phase-detail-item">
                    <div class="label">Maintenance Window</div>
                    <div class="value">${esc(ph.maintenance_window || 'Not specified')}</div>
                </div>
                <div class="phase-detail-item">
                    <div class="label">Parallel Run</div>
                    <div class="value">${parallel}</div>
                </div>
            </div>
            ${ph.description ? buildStepsList(ph.description) : ''}
            ${ph.rollback_criteria ? `
            <div class="docs-section-title" style="margin-bottom:6px;">Rollback Criteria</div>
            <p style="font-size:0.82rem;color:#4a5568;margin:0 0 14px;">${esc(ph.rollback_criteria)}</p>
            ` : ''}
            <div class="docs-section-title">
                Linked Documentation
                <span class="section-count">${docs.length}</span>
            </div>
            <div class="docs-grid">${docCards}</div>
        </div>`;
}

function buildProjectDocs(proj, docs) {
    if (!docs.length) return '';
    const docCards = docs.map(d => buildDocCard(d, true)).join('');
    return `<div class="docs-section">
        <div class="docs-section-title">
            Project Documents
            <span class="section-count">${docs.length}</span>
        </div>
        <div class="docs-grid">${docCards}</div>
    </div>`;
}

function buildDocCard(doc, showProject) {
    const dtype = doc.doc_type || doc.doc_source || 'general';
    const icon = DOC_ICONS[dtype] || '📄';
    const title = doc.doc_title || doc.file_name || doc.title || 'Untitled';
    const sub = doc.doc_source
        ? `${(doc.doc_source || '').toUpperCase()} · ${esc(dtype)}`
        : esc(dtype);
    const note = doc.relevance_note ? `<div class="doc-note">${esc(doc.relevance_note)}</div>` : '';
    const meta = doc.author ? `<div class="doc-meta">${esc(doc.author)}</div>` : (doc.ingested_at ? `<div class="doc-meta">${doc.ingested_at.slice(0,10)}</div>` : '');
    return `<div class="doc-card" data-dtype="${dtype}">
        <span class="doc-type-badge dtype-${dtype}">${icon} ${sub}</span>
        <div class="doc-title">${esc(title)}</div>
        ${meta}${note}
    </div>`;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
function renderSidebar(data) {
    // Topologies
    const topos = data.topologies || [];
    const topoEl = document.getElementById('sideTopo');
    if (topos.length) {
        topoEl.innerHTML = topos.map(t => `
            <div class="lib-item">
                <span class="lib-icon">🗺️</span>
                <div style="flex:1;min-width:0;">
                    <div class="lib-title">${esc(t.name)}</div>
                    <div class="lib-sub" style="display:flex;gap:8px;margin-top:4px;">
                        <button class="tb-btn" style="font-size:11px;padding:2px 8px;" onclick="window.open('/network/canvas/${t.id}','_blank')" title="Open topology in canvas editor">✏ Open Canvas</button>
                        <button class="tb-btn" style="font-size:11px;padding:2px 8px;color:#5b21b6;" onclick="window.open('/network/migration-phases/${t.id}','_blank')" title="View migration phases for this topology">Migration Phases</button>
                    </div>
                </div>
            </div>`).join('');
    } else {
        topoEl.innerHTML = '<div class="lib-sub" style="color:#718096;">No topologies yet.</div>';
    }

    // Runbooks
    const runbooks = data.runbooks || [];
    const rbEl = document.getElementById('sideRunbooks');
    if (runbooks.length) {
        rbEl.innerHTML = runbooks.slice(0, 12).map(r => `
            <div class="lib-item" onclick="window.open('/network/runbooks','_blank')">
                <span class="lib-icon">📋</span>
                <div>
                    <div class="lib-title">${esc(r.title)}</div>
                    <div class="lib-sub">${esc(r.trigger_event || '')} · ${esc(r.severity || '')}</div>
                </div>
            </div>`).join('');
        if (runbooks.length > 12) {
            rbEl.innerHTML += `<div class="lib-sub" style="margin-top:6px;"><a href="/network/runbooks">View all ${runbooks.length} runbooks →</a></div>`;
        }
    } else {
        rbEl.innerHTML = '<div class="lib-sub" style="color:#718096;">No runbooks yet.</div>';
    }

    // SOPs
    const sops = data.sops || [];
    const sopEl = document.getElementById('sideSops');
    if (sops.length) {
        sopEl.innerHTML = sops.slice(0, 12).map(s => `
            <div class="lib-item" onclick="window.open('/data/sops/${s.id}','_blank')">
                <span class="lib-icon">📄</span>
                <div>
                    <div class="lib-title">${esc(s.title)}</div>
                    <div class="lib-sub">${esc(s.category || '')} · v${esc(s.version || '1.0')}</div>
                </div>
            </div>`).join('');
        if (sops.length > 12) {
            sopEl.innerHTML += `<div class="lib-sub" style="margin-top:6px;"><a href="/data/sops">View all ${sops.length} SOPs →</a></div>`;
        }
    } else {
        sopEl.innerHTML = '<div class="lib-sub" style="color:#718096;">No SOPs yet.</div>';
    }
}

/* ── Interactions ────────────────────────────────────────────────────── */
function toggleCard(headerEl) {
    const body = headerEl.nextElementSibling;
    const icon = headerEl.querySelector('.toggle-icon');
    const open = body.style.display === '';
    body.style.display = open ? 'none' : '';
    icon.style.transform = open ? 'rotate(-90deg)' : '';
}

function toggleDrawer(phaseId, projId) {
    const drawer = document.getElementById(`drawer-${phaseId}`);
    if (!drawer) return;
    // Close active drawer if different
    if (_activeDrawer && _activeDrawer !== drawer) {
        _activeDrawer.classList.remove('open');
    }
    drawer.classList.toggle('open');
    _activeDrawer = drawer.classList.contains('open') ? drawer : null;
}

function toggleSidebarPanel(headerEl) {
    const body = headerEl.nextElementSibling;
    const icon = headerEl.querySelector('.toggle-icon');
    const open = body.style.display !== 'none';
    body.style.display = open ? 'none' : '';
    icon.style.transform = open ? 'rotate(-90deg)' : '';
}

/* ── Filter ──────────────────────────────────────────────────────────── */
function filterHub() {
    if (!_hubData) return;
    const q = document.getElementById('searchInput').value.toLowerCase();
    const st = document.getElementById('statusFilter').value;
    const dt = document.getElementById('docTypeFilter').value;

    let filtered = _hubData.projects || [];

    if (q) {
        filtered = filtered.filter(p => {
            const nameHit = (p.name || '').toLowerCase().includes(q);
            const phaseHit = (p.phases || []).some(ph =>
                (ph.title || '').toLowerCase().includes(q) ||
                (ph.description || '').toLowerCase().includes(q)
            );
            const docHit = (p.documents || []).some(d =>
                (d.file_name || d.title || '').toLowerCase().includes(q)
            );
            return nameHit || phaseHit || docHit;
        });
    }
    if (st) {
        filtered = filtered.filter(p => (p.status || '') === st);
    }
    if (dt) {
        filtered = filtered.filter(p =>
            (p.documents || []).some(d => (d.doc_type || '') === dt) ||
            (p.phases || []).some(ph =>
                (ph.documents || []).some(d => (d.doc_type || '') === dt)
            )
        );
    }

    document.getElementById('projectCount').textContent =
        `${filtered.length} project${filtered.length !== 1 ? 's' : ''}`;
    renderProjects(filtered);
}

/* ── Helpers ─────────────────────────────────────────────────────────── */
function buildStepsList(description) {
  if (!description) return '';
  const steps = description.split('. ').map(s => s.trim().replace(/\.$/, '')).filter(Boolean);
  if (steps.length <= 1) {
    return `<p style="font-size:0.82rem;color:#4a5568;margin:0 0 10px;">${esc(description)}</p>`;
  }
  const rows = steps.map((s, i) => `
    <div style="display:flex;gap:8px;padding:5px 0;border-bottom:1px solid #f0f4f8;align-items:flex-start;">
      <span style="width:20px;height:20px;border-radius:50%;background:#ebf8ff;color:#2b6cb0;font-size:0.68rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px;">${i+1}</span>
      <span style="font-size:0.81rem;color:#2d3748;line-height:1.45;">${esc(s)}</span>
    </div>`).join('');
  return `<div style="margin:0 0 12px;">${rows}</div>`;
}

function esc(s) {
    if (!s) return '';
    return String(s)
        .replace(/&/g,'&amp;')
        .replace(/</g,'&lt;')
        .replace(/>/g,'&gt;')
        .replace(/"/g,'&quot;');
}
</script>
{% endblock %}