{% extends "base.html" %}
{% set active_page = "overview" %}

{% block title %}Overview — IETF Draft Analyzer{% endblock %}

{% block content %}
<div class="mb-8">
    <h1 class="text-2xl font-bold text-white">Dashboard Overview</h1>
    <p class="text-slate-400 text-sm mt-1">IETF AI/Agent Internet-Drafts at a glance</p>
</div>

<!-- Stat cards -->
<div class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-5 gap-4 mb-8">
    <a href="/drafts" class="stat-card rounded-xl border border-slate-800 p-5 relative overflow-hidden hover:border-blue-500/40 transition group">
        <div class="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-blue-500 to-blue-400"></div>
        <div class="text-3xl font-bold text-blue-400">{{ stats.total_drafts }}</div>
        <div class="text-xs text-slate-400 mt-1 uppercase tracking-wider group-hover:text-blue-400/70 transition">Total Drafts &rarr;</div>
    </a>
    <a href="/ratings" class="stat-card rounded-xl border border-slate-800 p-5 relative overflow-hidden hover:border-emerald-500/40 transition group">
        <div class="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-emerald-500 to-emerald-400"></div>
        <div class="text-3xl font-bold text-emerald-400">{{ stats.rated_count }}</div>
        <div class="text-xs text-slate-400 mt-1 uppercase tracking-wider group-hover:text-emerald-400/70 transition">Rated Drafts &rarr;</div>
    </a>
    <a href="/authors" class="stat-card rounded-xl border border-slate-800 p-5 relative overflow-hidden hover:border-purple-500/40 transition group">
        <div class="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-purple-500 to-purple-400"></div>
        <div class="text-3xl font-bold text-purple-400">{{ stats.author_count }}</div>
        <div class="text-xs text-slate-400 mt-1 uppercase tracking-wider group-hover:text-purple-400/70 transition">Authors &rarr;</div>
    </a>
    <a href="/ideas" class="stat-card rounded-xl border border-slate-800 p-5 relative overflow-hidden hover:border-amber-500/40 transition group">
        <div class="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-amber-500 to-amber-400"></div>
        <div class="text-3xl font-bold text-amber-400">{{ stats.idea_count }}</div>
        <div class="text-xs text-slate-400 mt-1 uppercase tracking-wider group-hover:text-amber-400/70 transition">Ideas &rarr;</div>
    </a>
    <a href="/gaps" class="stat-card rounded-xl border border-slate-800 p-5 relative overflow-hidden hover:border-red-500/40 transition group">
        <div class="absolute top-0 left-0 w-full h-1 bg-gradient-to-r from-red-500 to-red-400"></div>
        <div class="text-3xl font-bold text-red-400">{{ stats.gap_count }}</div>
        <div class="text-xs text-slate-400 mt-1 uppercase tracking-wider group-hover:text-red-400/70 transition">Gaps Found &rarr;</div>
    </a>
</div>

<!-- Charts row 1: Score distribution + Category donut -->
<div class="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-6">
    <div class="bg-slate-900 rounded-xl border border-slate-800 p-5">
        <h2 class="text-sm font-semibold text-slate-300 mb-3">Composite Score Distribution</h2>
        <div id="scoreHist" style="height: 300px;"></div>
    </div>
    <div class="bg-slate-900 rounded-xl border border-slate-800 p-5">
        <h2 class="text-sm font-semibold text-slate-300 mb-3">Drafts by Category</h2>
        <div id="categoryPie" style="height: 300px;"></div>
    </div>
</div>

<!-- Timeline (full width) -->
<div class="bg-slate-900 rounded-xl border border-slate-800 p-5 mb-6">
    <h2 class="text-sm font-semibold text-slate-300 mb-3">Submissions Over Time</h2>
    <div id="timeline" style="height: 350px;"></div>
</div>

<!-- Category radar -->
<div class="bg-slate-900 rounded-xl border border-slate-800 p-5">
    <h2 class="text-sm font-semibold text-slate-300 mb-3">Category Rating Profiles</h2>
    <div id="radar" style="height: 420px;"></div>
</div>
{% endblock %}

{% block extra_scripts %}
<script>
// Shared Plotly config
const PLOTLY_LAYOUT = {
    paper_bgcolor: 'transparent',
    plot_bgcolor: 'transparent',
    font: { color: '#94a3b8', family: 'Inter, system-ui, sans-serif', size: 12 },
    margin: { t: 30, r: 20, b: 40, l: 40 },
    xaxis: { gridcolor: '#1e293b', zerolinecolor: '#334155' },
    yaxis: { gridcolor: '#1e293b', zerolinecolor: '#334155' },
};
const PLOTLY_CONFIG = { responsive: true, displayModeBar: false };

const PALETTE = [
    '#3b82f6', '#ef4444', '#22c55e', '#a855f7', '#f59e0b',
    '#06b6d4', '#ec4899', '#84cc16', '#f97316', '#8b5cf6',
    '#14b8a6', '#e11d48', '#64748b', '#eab308', '#6366f1',
];

// --- Score histogram ---
const scores = {{ scores | tojson }};
if (scores.length > 0) {
    Plotly.newPlot('scoreHist', [{
        x: scores,
        type: 'histogram',
        nbinsx: 20,
        marker: {
            color: 'rgba(59, 130, 246, 0.7)',
            line: { color: '#3b82f6', width: 1 },
        },
        hovertemplate: 'Score: %{x}<br>Count: %{y}<extra></extra>',
    }], {
        ...PLOTLY_LAYOUT,
        xaxis: { ...PLOTLY_LAYOUT.xaxis, title: { text: 'Composite Score', font: { size: 11 } } },
        yaxis: { ...PLOTLY_LAYOUT.yaxis, title: { text: 'Count', font: { size: 11 } } },
    }, PLOTLY_CONFIG);
} else {
    document.getElementById('scoreHist').innerHTML = '<p class="text-slate-500 text-sm text-center mt-20">No score data available</p>';
}

// --- Category donut ---
const categories = {{ categories | tojson }};
const catNames = Object.keys(categories);
const catVals = Object.values(categories);
if (catNames.length > 0) {
    Plotly.newPlot('categoryPie', [{
        labels: catNames,
        values: catVals,
        type: 'pie',
        hole: 0.45,
        textinfo: 'label+percent',
        textposition: 'outside',
        textfont: { size: 10, color: '#94a3b8' },
        hovertemplate: '%{label}<br>%{value} drafts (%{percent})<extra></extra>',
        marker: { colors: PALETTE },
        pull: catVals.map((_, i) => i === 0 ? 0.03 : 0),
    }], {
        ...PLOTLY_LAYOUT,
        showlegend: false,
        margin: { t: 10, r: 10, b: 10, l: 10 },
    }, PLOTLY_CONFIG);
    // Click category to filter drafts
    document.getElementById('categoryPie').on('plotly_click', function(data) {
        const cat = data.points[0].label;
        if (cat) window.location.href = '/drafts?cat=' + encodeURIComponent(cat);
    });
} else {
    document.getElementById('categoryPie').innerHTML = '<p class="text-slate-500 text-sm text-center mt-20">No category data available</p>';
}

// --- Timeline (stacked area) ---
const timeline = {{ timeline | tojson }};
if (timeline.months && timeline.months.length > 0) {
    const timeTraces = timeline.categories.map((cat, i) => ({
        x: timeline.months,
        y: timeline.series[cat],
        name: cat,
        type: 'scatter',
        mode: 'lines',
        stackgroup: 'one',
        line: { width: 0.5, color: PALETTE[i % PALETTE.length] },
        fillcolor: PALETTE[i % PALETTE.length] + '80',
        hovertemplate: '%{x}<br>' + cat + ': %{y}<extra></extra>',
    }));
    Plotly.newPlot('timeline', timeTraces, {
        ...PLOTLY_LAYOUT,
        xaxis: { ...PLOTLY_LAYOUT.xaxis, title: { text: 'Month', font: { size: 11 } } },
        yaxis: { ...PLOTLY_LAYOUT.yaxis, title: { text: 'Drafts', font: { size: 11 } } },
        legend: { font: { size: 10, color: '#94a3b8' }, orientation: 'h', y: -0.2, x: 0.5, xanchor: 'center' },
        hovermode: 'x unified',
    }, PLOTLY_CONFIG);
} else {
    document.getElementById('timeline').innerHTML = '<p class="text-slate-500 text-sm text-center mt-20">No timeline data available</p>';
}

// --- Category radar ---
const radar = {{ radar | tojson }};
const dims = ['novelty', 'maturity', 'relevance', 'momentum', 'low_overlap'];
const dimLabels = ['Novelty', 'Maturity', 'Relevance', 'Momentum', 'Low Overlap'];
const radarCats = Object.keys(radar);
if (radarCats.length > 0) {
    const radarTraces = radarCats.map((cat, i) => {
        const vals = radar[cat];
        return {
            type: 'scatterpolar',
            r: dims.map(d => vals[d]).concat([vals[dims[0]]]),
            theta: dimLabels.concat([dimLabels[0]]),
            fill: 'toself',
            fillcolor: PALETTE[i % PALETTE.length] + '20',
            line: { color: PALETTE[i % PALETTE.length], width: 2 },
            name: cat + ' (' + vals.count + ')',
            opacity: 0.85,
            hovertemplate: cat + '<br>%{theta}: %{r:.1f}<extra></extra>',
        };
    });
    Plotly.newPlot('radar', radarTraces, {
        ...PLOTLY_LAYOUT,
        polar: {
            bgcolor: 'transparent',
            radialaxis: {
                visible: true,
                range: [0, 5],
                gridcolor: '#1e293b',
                color: '#64748b',
                tickfont: { size: 10 },
            },
            angularaxis: {
                gridcolor: '#1e293b',
                color: '#94a3b8',
                tickfont: { size: 11 },
            },
        },
        legend: { font: { size: 10, color: '#94a3b8' }, x: 1.05, y: 0.5 },
        margin: { t: 30, r: 120, b: 30, l: 60 },
    }, PLOTLY_CONFIG);
} else {
    document.getElementById('radar').innerHTML = '<p class="text-slate-500 text-sm text-center mt-20">No radar data available</p>';
}
</script>
{% endblock %}