{% extends "base.html" %}
{% block title %}Dashboard — CogniGraph Studio{% endblock %}
{% block nav_dashboard %}active{% endblock %}

{% block content %}
<div class="page-header">
    <h1>Dashboard</h1>
    <p class="subtitle">Knowledge graph intelligence at a glance</p>
</div>

<!-- Metrics cards -->
<div hx-get="/studio/api/partials/metrics-cards" hx-trigger="load, every 15s" hx-swap="innerHTML">
    <div class="grid-4">
        <div class="metric-card blue">
            <div class="icon">&#9673;</div>
            <div class="label">Nodes</div>
            <div class="value">{{ node_count }}</div>
        </div>
        <div class="metric-card green">
            <div class="icon">&#8596;</div>
            <div class="label">Edges</div>
            <div class="value">{{ edge_count }}</div>
        </div>
        <div class="metric-card purple">
            <div class="icon">&#9889;</div>
            <div class="label">Queries</div>
            <div class="value">{{ metrics.get('total_queries', 0) if metrics else 0 }}</div>
        </div>
        <div class="metric-card yellow">
            <div class="icon">$</div>
            <div class="label">Cost Saved</div>
            <div class="value">${{ "%.2f"|format(metrics.get('total_cost_saved', 0.0)) if metrics else '0.00' }}</div>
        </div>
    </div>
</div>

<div class="grid-2">
    <!-- Node Types -->
    <div class="panel">
        <h3>Node Types</h3>
        <div class="node-types-grid">
            {% for type_name, count in node_types.items() %}
            <div class="node-type-item">
                <span class="dot" style="background: var(--brand)"></span>
                <span class="name">{{ type_name }}</span>
                <span class="count">{{ count }}</span>
            </div>
            {% else %}
            <div class="text-muted">No nodes loaded</div>
            {% endfor %}
        </div>
    </div>

    <!-- Quick Actions -->
    <div class="panel">
        <h3>Quick Actions</h3>
        <div class="quick-actions">
            <a href="/studio/graph">&#9673; Explore Graph</a>
            <a href="/studio/reasoning">&#9889; Run Reasoning</a>
            <a href="/studio/metrics">&#9776; View Metrics</a>
        </div>

        <!-- QR Code for mobile access -->
        <div style="margin-top: 20px;">
            <h3>Mobile Access</h3>
            <div id="qr-code" style="text-align: center; padding: 12px;"></div>
            <p class="text-muted" style="text-align: center; font-size: 11px; margin-top: 8px;">
                Scan to open Studio on your mobile device
            </p>
        </div>
    </div>
</div>

<!-- Graph Preview -->
<div class="panel">
    <h3>Graph Preview</h3>
    <div id="mini-graph" class="mini-graph" style="height: 300px; position: relative;"></div>
</div>
{% endblock %}

{% block head %}
<script src="/studio/static/vendor/d3.min.js"></script>
{% endblock %}

{% block scripts %}
<script src="/studio/static/js/graph-viz.js"></script>
<script>
    // Load graph preview
    fetch('/studio/api/graph/visualization')
        .then(r => r.json())
        .then(data => {
            if (data.nodes && data.nodes.length > 0) {
                initGraphViz('#mini-graph', data, { mini: true });
            } else {
                document.getElementById('mini-graph').innerHTML =
                    '<div class="text-muted" style="display:flex;align-items:center;justify-content:center;height:100%">No graph data available</div>';
            }
        })
        .catch(() => {
            document.getElementById('mini-graph').innerHTML =
                '<div class="text-muted" style="display:flex;align-items:center;justify-content:center;height:100%">Failed to load graph</div>';
        });

    // Generate QR code for mobile access
    (function() {
        var url = window.location.origin + '/studio/';
        var qrEl = document.getElementById('qr-code');
        if (!qrEl) return;

        // Use a lightweight inline QR generator (no external deps)
        var size = 160;
        var img = document.createElement('img');
        img.src = 'https://api.qrserver.com/v1/create-qr-code/?size=' + size + 'x' + size + '&data=' + encodeURIComponent(url) + '&bgcolor=1e293b&color=38bdf8&format=svg';
        img.alt = 'QR Code for ' + url;
        img.style.width = size + 'px';
        img.style.height = size + 'px';
        img.style.borderRadius = '8px';
        img.onerror = function() {
            // Fallback: show the URL as text
            qrEl.innerHTML = '<code style="font-size:11px;word-break:break-all">' + url + '</code>';
        };
        qrEl.appendChild(img);

        var urlText = document.createElement('div');
        urlText.style.fontSize = '11px';
        urlText.style.color = 'var(--text-muted)';
        urlText.style.marginTop = '6px';
        urlText.style.wordBreak = 'break-all';
        urlText.textContent = url;
        qrEl.appendChild(urlText);
    })();
</script>
{% endblock %}