{% extends "base.html" %}
{% block title %}Pick Papers You Like — Research Intelligence{% endblock %}
{% block content %}
<div class="page-header">
    <h1>Pick Papers You Like</h1>
    <div class="subtitle">Rate a few papers to personalize your feed. Click thumbs up or down, then hit Done.</div>
</div>

{% if papers %}
<div class="seed-grid" id="seed-grid">
    {% for p in papers %}
    <div class="seed-card" data-arxiv="{{ p.arxiv_id }}">
        <div class="seed-card__body">
            <div class="seed-card__domain">
                {% if p.domain == 'aiml' %}
                <span class="badge badge--accent">AI/ML</span>
                {% elif p.domain == 'security' %}
                <span class="badge badge--red">Security</span>
                {% endif %}
            </div>
            <div class="seed-card__title">{{ p.title }}</div>
            {% if p.summary %}
            <div class="seed-card__summary">{{ p.summary[:150] }}{% if p.summary | length > 150 %}&hellip;{% endif %}</div>
            {% endif %}
        </div>
        <div class="seed-card__actions">
            <button type="button" class="seed-btn seed-btn--up" onclick="seedRate(this, 'upvote')" title="More like this">
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3H14z"/><path d="M7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3"/></svg>
            </button>
            <button type="button" class="seed-btn seed-btn--down" onclick="seedRate(this, 'downvote')" title="Less like this">
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3H10z"/><path d="M17 2h3a2 2 0 0 1 2 2v7a2 2 0 0 1-2 2h-3"/></svg>
            </button>
        </div>
    </div>
    {% endfor %}
</div>

<div style="text-align:center; margin-top:2rem" id="seed-actions">
    <span id="seed-count" style="color:var(--text-muted); font-size:0.85rem; margin-right:1rem">0 rated</span>
    <button type="button" class="btn btn-primary" id="seed-done" onclick="seedDone()">Done</button>
</div>

<!-- Results panel (hidden until submit) -->
<div id="seed-results" style="display:none">
    <div class="seed-results-card">
        <div class="seed-results-header">
            <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="var(--emerald)" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"/><polyline points="22 4 12 14.01 9 11.01"/></svg>
            <span id="results-headline">Preferences learned</span>
        </div>
        <p class="seed-results-subtext" id="results-subtext"></p>

        <div class="seed-results-cols" id="results-cols">
            <div id="results-boosted" style="display:none">
                <div class="seed-results-label seed-results-label--boost">Boosted</div>
                <div id="results-boosted-list" class="seed-results-list"></div>
            </div>
            <div id="results-penalized" style="display:none">
                <div class="seed-results-label seed-results-label--penalize">Penalized</div>
                <div id="results-penalized-list" class="seed-results-list"></div>
            </div>
        </div>

        <div class="seed-results-explain">
            These weights adjust paper rankings in your feed. Continue rating papers on the main pages to refine further.
        </div>

        <div style="display:flex; gap:0.75rem; justify-content:center; margin-top:1.5rem">
            <a href="/" class="btn btn-primary">Go to Dashboard</a>
            <a href="/preferences" class="btn">View All Preferences</a>
        </div>
    </div>
</div>

<style>
.seed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.seed-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.2s, box-shadow 0.2s;
    animation: fadeSlideUp 0.35s ease-out both;
}
.seed-card.rated-up {
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.1);
}
.seed-card.rated-down {
    border-color: rgba(239, 68, 68, 0.3);
    opacity: 0.6;
}
.seed-card__title {
    font-weight: 600;
    font-size: 0.88rem;
    line-height: 1.45;
    margin: 0.35rem 0;
}
.seed-card__summary {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 0.25rem;
}
.seed-card__actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.seed-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.45rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s;
}
.seed-btn:hover {
    background: var(--bg-surface);
    color: var(--text-secondary);
}
.seed-btn--up.active {
    background: var(--emerald-glow);
    color: var(--emerald);
    border-color: rgba(16, 185, 129, 0.3);
}
.seed-btn--down.active {
    background: var(--red-glow);
    color: var(--red);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Results panel */
.seed-results-card {
    max-width: 640px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem 2.25rem;
    animation: fadeSlideUp 0.4s ease-out both;
}
.seed-results-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.15rem;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}
.seed-results-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.5rem 0 1.25rem;
    line-height: 1.5;
}
.seed-results-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1rem;
}
@media (max-width: 500px) {
    .seed-results-cols { grid-template-columns: 1fr; }
}
.seed-results-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--border);
}
.seed-results-label--boost { color: var(--emerald); border-color: rgba(16, 185, 129, 0.3); }
.seed-results-label--penalize { color: var(--red); border-color: rgba(239, 68, 68, 0.25); }

.seed-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.seed-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.82rem;
    background: var(--bg);
    animation: fadeSlideUp 0.3s ease-out both;
}
.seed-result-item__name {
    flex: 1;
    font-weight: 500;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.seed-result-item__type {
    font-size: 0.68rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}
.seed-result-item__bar {
    width: 48px;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-surface);
    overflow: hidden;
    flex-shrink: 0;
}
.seed-result-item__bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease-out;
}
.seed-result-item__bar-fill--pos { background: var(--emerald); }
.seed-result-item__bar-fill--neg { background: var(--red); }

.seed-result-item__val {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    width: 3.2rem;
    text-align: right;
    flex-shrink: 0;
}
.seed-result-item__val--pos { color: var(--emerald); }
.seed-result-item__val--neg { color: var(--red); }

.seed-results-explain {
    font-size: 0.78rem;
    color: var(--text-dim);
    line-height: 1.55;
    padding: 0.75rem;
    background: var(--bg);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
}
</style>

<script>
var seedRatings = {};

function seedRate(btn, action) {
    var card = btn.closest('.seed-card');
    var arxivId = card.dataset.arxiv;
    var upBtn = card.querySelector('.seed-btn--up');
    var downBtn = card.querySelector('.seed-btn--down');

    // Toggle off if already active
    if (seedRatings[arxivId] === action) {
        delete seedRatings[arxivId];
        upBtn.classList.remove('active');
        downBtn.classList.remove('active');
        card.classList.remove('rated-up', 'rated-down');
    } else {
        seedRatings[arxivId] = action;
        upBtn.classList.toggle('active', action === 'upvote');
        downBtn.classList.toggle('active', action === 'downvote');
        card.classList.toggle('rated-up', action === 'upvote');
        card.classList.toggle('rated-down', action === 'downvote');
    }

    document.getElementById('seed-count').textContent = Object.keys(seedRatings).length + ' rated';
}

function seedDone() {
    var count = Object.keys(seedRatings).length;
    if (count === 0) {
        window.location.href = '/';
        return;
    }

    var btn = document.getElementById('seed-done');
    btn.disabled = true;
    btn.textContent = 'Computing preferences...';

    fetch('/api/seed-preferences', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({ratings: seedRatings})
    })
    .then(function(r) { return r.json(); })
    .then(function(data) {
        showResults(data);
    })
    .catch(function() {
        btn.disabled = false;
        btn.textContent = 'Done';
        alert('Error saving preferences');
    });
}

function showResults(data) {
    // Hide grid and action bar
    document.getElementById('seed-grid').style.display = 'none';
    document.getElementById('seed-actions').style.display = 'none';

    // Update header
    document.querySelector('.page-header h1').textContent = 'Preferences Learned';
    document.querySelector('.page-header .subtitle').textContent = '';

    var summary = data.summary || {};
    var boosted = summary.boosted || [];
    var penalized = summary.penalized || [];

    // Headline
    document.getElementById('results-subtext').textContent =
        data.count + ' rating' + (data.count !== 1 ? 's' : '') + ' recorded, ' +
        data.total_preferences + ' preference signal' + (data.total_preferences !== 1 ? 's' : '') + ' computed. ' +
        'Future papers will be ranked using these weights.';

    // Render boosted
    if (boosted.length > 0) {
        document.getElementById('results-boosted').style.display = '';
        var list = document.getElementById('results-boosted-list');
        list.innerHTML = '';
        for (var i = 0; i < boosted.length; i++) {
            list.appendChild(makeResultItem(boosted[i], true, i));
        }
    }

    // Render penalized
    if (penalized.length > 0) {
        document.getElementById('results-penalized').style.display = '';
        var list2 = document.getElementById('results-penalized-list');
        list2.innerHTML = '';
        for (var j = 0; j < penalized.length; j++) {
            list2.appendChild(makeResultItem(penalized[j], false, j));
        }
    }

    // Handle case with no preferences detected
    if (boosted.length === 0 && penalized.length === 0) {
        document.getElementById('results-cols').innerHTML =
            '<div style="grid-column:1/-1; text-align:center; padding:1rem; color:var(--text-muted); font-size:0.85rem">' +
            'Ratings saved. Preferences will become more visible as you rate papers on the main pages.' +
            '</div>';
    }

    document.getElementById('seed-results').style.display = '';
}

function makeResultItem(item, isPositive, index) {
    var el = document.createElement('div');
    el.className = 'seed-result-item';
    el.style.animationDelay = (index * 0.05) + 's';

    var absVal = Math.abs(item.value);
    var barWidth = Math.min(100, Math.round(absVal * 100));

    el.innerHTML =
        '<span class="seed-result-item__type">' + item.type + '</span>' +
        '<span class="seed-result-item__name">' + item.name + '</span>' +
        '<div class="seed-result-item__bar">' +
            '<div class="seed-result-item__bar-fill seed-result-item__bar-fill--' + (isPositive ? 'pos' : 'neg') + '" style="width:' + barWidth + '%"></div>' +
        '</div>' +
        '<span class="seed-result-item__val seed-result-item__val--' + (isPositive ? 'pos' : 'neg') + '">' +
            (isPositive ? '+' : '') + item.value.toFixed(3) +
        '</span>';

    return el;
}
</script>
{% else %}
<div class="empty-state">
    <h2>No seed papers available</h2>
    <p>Run a pipeline first to populate papers, then come back to seed your preferences.</p>
    <a href="/" class="btn btn-primary" style="margin-top:1rem">Go to Dashboard</a>
</div>
{% endif %}
{% endblock %}