{# Instruction fetcher control panel.
   Created by: Jess Rogerson (yelling commands at Claude.AI) #}
{% extends "base.html" %}

{% block title %}Instruction Fetcher - Admin{% endblock %}

{% block content %}
<div class="row mb-4">
    <div class="col">
        <h1><i class="bi bi-cloud-arrow-down"></i> Instruction Fetcher</h1>
        <p class="text-muted mb-0">
            Downloads official building instructions from LEGO, using Brickset
            to find them. Official sets only &mdash; one set every
            {{ summary.interval_minutes }} minutes so nobody's API gets upset.
        </p>
    </div>
    <div class="col-auto">
        <a href="{{ url_for('admin.dashboard') }}" class="btn btn-outline-secondary">
            <i class="bi bi-arrow-left"></i> Back
        </a>
    </div>
</div>

{% if not summary.brickset_configured %}
<div class="alert alert-danger">
    <i class="bi bi-exclamation-triangle"></i>
    <strong>Brickset API not configured.</strong>
    Add <code>BRICKSET_API_KEY</code>, <code>BRICKSET_USERNAME</code> and
    <code>BRICKSET_PASSWORD</code> to your <code>.env</code> and restart.
</div>
{% endif %}

{% if not worker_running %}
<div class="alert alert-warning">
    <i class="bi bi-info-circle"></i>
    The background worker thread isn't running in this process. Queued sets
    will only move when you press <em>Run one now</em>, or when
    <code>flask instructions run</code> is called from Task Scheduler.
</div>
{% endif %}

<!-- Status strip -->
<div class="row g-3 mb-4">
    <div class="col-md-3">
        <div class="card h-100">
            <div class="card-body">
                <div class="text-muted small text-uppercase">Status</div>
                <div class="h4 mb-0" id="stat-status">
                    {% if summary.enabled %}
                        <span class="badge bg-success">Running</span>
                    {% else %}
                        <span class="badge bg-secondary">Paused</span>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card h-100">
            <div class="card-body">
                <div class="text-muted small text-uppercase">Next fetch in</div>
                <div class="h4 mb-0" id="stat-countdown">&mdash;</div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card h-100">
            <div class="card-body">
                <div class="text-muted small text-uppercase">In the queue</div>
                <div class="h4 mb-0" id="stat-queued">{{ summary.counts.queued }}</div>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card h-100">
            <div class="card-body">
                <div class="text-muted small text-uppercase">Official sets without a PDF</div>
                <div class="h4 mb-0" id="stat-missing">{{ summary.sets_missing_pdfs }}</div>
            </div>
        </div>
    </div>
</div>

<div class="row">
    <!-- Queue controls -->
    <div class="col-lg-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-list-ol"></i> Build the queue</h5>
            </div>
            <div class="card-body">
                <p class="text-muted">
                    {{ summary.official_sets }} official set(s) in the library,
                    {{ summary.sets_missing_pdfs }} with no PDF instructions yet.
                </p>

                <form method="POST" action="{{ url_for('instruction_fetch.queue') }}"
                      class="mb-3">
                    <input type="hidden" name="scope" value="missing">
                    <div class="input-group">
                        <span class="input-group-text">Limit</span>
                        <input type="number" class="form-control" name="limit"
                               min="1" placeholder="all" style="max-width: 120px;">
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-plus-circle"></i> Queue sets missing instructions
                        </button>
                    </div>
                    <div class="form-text">Newest sets first. Skips anything already queued.</div>
                </form>

                <form method="POST" action="{{ url_for('instruction_fetch.queue') }}"
                      class="mb-3"
                      onsubmit="return confirm('Queue every official set, including ones that already have instructions?');">
                    <input type="hidden" name="scope" value="all">
                    <button type="submit" class="btn btn-outline-secondary btn-sm">
                        <i class="bi bi-arrow-repeat"></i> Queue all official sets
                    </button>
                </form>

                <form method="POST" action="{{ url_for('instruction_fetch.queue') }}">
                    <input type="hidden" name="scope" value="retry-failed">
                    <button type="submit" class="btn btn-outline-warning btn-sm">
                        <i class="bi bi-arrow-counterclockwise"></i>
                        Retry failed ({{ summary.counts.failed }})
                    </button>
                </form>

                <hr>

                <form method="POST" action="{{ url_for('instruction_fetch.run_now') }}">
                    <div class="form-check mb-2">
                        <input class="form-check-input" type="checkbox"
                               id="force" name="force" value="1">
                        <label class="form-check-label" for="force">
                            Ignore the timer for this one
                        </label>
                    </div>
                    <button type="submit" class="btn btn-success"
                            {% if not summary.brickset_configured %}disabled{% endif %}>
                        <i class="bi bi-play-fill"></i> Run one now
                    </button>
                </form>
            </div>
        </div>
    </div>

    <!-- Settings -->
    <div class="col-lg-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-sliders"></i> Pacing</h5>
            </div>
            <div class="card-body">
                <form method="POST" action="{{ url_for('instruction_fetch.save_settings') }}">
                    <div class="form-check form-switch mb-3">
                        <input class="form-check-input" type="checkbox" role="switch"
                               id="fetch_enabled" name="fetch_enabled" value="1"
                               {% if summary.enabled %}checked{% endif %}>
                        <label class="form-check-label" for="fetch_enabled">
                            <strong>Work through the queue automatically</strong>
                        </label>
                        <div class="form-text">
                            Turn off to pause. The queue is kept either way.
                        </div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label" for="fetch_interval_minutes">
                            <strong>Minutes between sets</strong>
                        </label>
                        <input type="number" class="form-control" min="1" max="1440"
                               id="fetch_interval_minutes" name="fetch_interval_minutes"
                               value="{{ summary.interval_minutes }}">
                        <div class="form-text">
                            10 is a polite default (144 sets a day). The clock is stored
                            in the database, so a restart doesn't reset it.
                        </div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label" for="fetch_file_delay_seconds">
                            <strong>Seconds between PDFs of the same set</strong>
                        </label>
                        <input type="number" class="form-control" min="0" max="300"
                               id="fetch_file_delay_seconds" name="fetch_file_delay_seconds"
                               value="{{ summary.file_delay_seconds }}">
                        <div class="form-text">
                            Big sets have several books; this spaces those downloads out.
                        </div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label" for="fetch_max_attempts">
                            <strong>Attempts before giving up</strong>
                        </label>
                        <input type="number" class="form-control" min="1" max="10"
                               id="fetch_max_attempts" name="fetch_max_attempts"
                               value="{{ summary.max_attempts }}">
                    </div>

                    <div class="form-check mb-2">
                        <input class="form-check-input" type="checkbox"
                               id="fetch_skip_sets_with_pdfs" name="fetch_skip_sets_with_pdfs"
                               value="1" {% if summary.skip_sets_with_pdfs %}checked{% endif %}>
                        <label class="form-check-label" for="fetch_skip_sets_with_pdfs">
                            Skip sets that already have a PDF
                        </label>
                    </div>

                    <div class="form-check mb-3">
                        <input class="form-check-input" type="checkbox"
                               id="fetch_allow_setid_lookup" name="fetch_allow_setid_lookup"
                               value="1" {% if summary.allow_setid_lookup %}checked{% endif %}>
                        <label class="form-check-label" for="fetch_allow_setid_lookup">
                            Allow set-ID lookups when a number isn't found
                        </label>
                        <div class="form-text">
                            This is the only call that counts against the Brickset
                            daily quota. The ID is saved to the set afterwards.
                        </div>
                    </div>

                    <button type="submit" class="btn btn-primary">
                        <i class="bi bi-save"></i> Save
                    </button>
                </form>
            </div>
        </div>
    </div>
</div>

<!-- History -->
<div class="card">
    <div class="card-header d-flex justify-content-between align-items-center">
        <h5 class="mb-0"><i class="bi bi-clock-history"></i> Recent jobs</h5>
        <div>
            <form method="POST" action="{{ url_for('instruction_fetch.clear') }}"
                  class="d-inline">
                <input type="hidden" name="scope" value="finished">
                <button type="submit" class="btn btn-sm btn-outline-secondary">
                    Clear finished
                </button>
            </form>
        </div>
    </div>
    <div class="table-responsive">
        <table class="table table-hover mb-0 align-middle">
            <thead>
                <tr>
                    <th>Set</th>
                    <th>Status</th>
                    <th class="text-center">Files</th>
                    <th class="text-center">Tries</th>
                    <th>Result</th>
                    <th></th>
                </tr>
            </thead>
            <tbody>
                {% for job in jobs %}
                <tr>
                    <td>
                        {% if job.lego_set %}
                        <a href="{{ url_for('sets.view_set', set_id=job.set_id) }}">
                            <strong>{{ job.lego_set.set_number }}</strong>
                        </a>
                        <div class="small text-muted">{{ job.lego_set.set_name }}</div>
                        {% else %}
                        <span class="text-muted">deleted set</span>
                        {% endif %}
                    </td>
                    <td><span class="badge bg-{{ job.badge }}">{{ job.status }}</span></td>
                    <td class="text-center">{{ job.files_added }}</td>
                    <td class="text-center">{{ job.attempts }}</td>
                    <td class="small">{{ job.message or '—' }}</td>
                    <td class="text-end">
                        {% if job.is_open %}
                        <form method="POST"
                              action="{{ url_for('instruction_fetch.cancel_job', job_id=job.id) }}"
                              class="d-inline">
                            <button class="btn btn-sm btn-outline-danger">Cancel</button>
                        </form>
                        {% else %}
                        <form method="POST"
                              action="{{ url_for('instruction_fetch.retry_job', job_id=job.id) }}"
                              class="d-inline">
                            <button class="btn btn-sm btn-outline-secondary">Retry</button>
                        </form>
                        {% endif %}
                    </td>
                </tr>
                {% else %}
                <tr>
                    <td colspan="6" class="text-center text-muted py-4">
                        Nothing queued yet.
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>
</div>

<script>
(function () {
    const statusUrl = "{{ url_for('instruction_fetch.status') }}";
    let remaining = {{ summary.next_run_in_seconds }};
    let enabled = {{ 'true' if summary.enabled else 'false' }};
    let lastFinished = {{ summary.counts.done + summary.counts.empty + summary.counts.failed }};

    function paintCountdown() {
        const el = document.getElementById('stat-countdown');
        if (!el) return;
        if (!enabled) { el.textContent = 'paused'; return; }
        if (remaining <= 0) { el.textContent = 'due now'; return; }
        const m = Math.floor(remaining / 60);
        const s = remaining % 60;
        el.textContent = m + 'm ' + String(s).padStart(2, '0') + 's';
    }

    setInterval(function () {
        if (remaining > 0) { remaining -= 1; }
        paintCountdown();
    }, 1000);

    async function poll() {
        try {
            const res = await fetch(statusUrl, {headers: {'Accept': 'application/json'}});
            if (!res.ok) return;
            const data = await res.json();
            remaining = data.next_run_in_seconds;
            enabled = data.enabled;
            document.getElementById('stat-queued').textContent = data.counts.queued;
            document.getElementById('stat-missing').textContent = data.sets_missing_pdfs;
            document.getElementById('stat-status').innerHTML = data.enabled
                ? '<span class="badge bg-success">Running</span>'
                : '<span class="badge bg-secondary">Paused</span>';
            paintCountdown();

            // Reload once a job finishes so the table stays honest.
            const finished = data.counts.done + data.counts.empty + data.counts.failed;
            if (finished !== lastFinished) {
                lastFinished = finished;
                window.location.reload();
            }
        } catch (err) { /* offline for a moment; try again next tick */ }
    }

    paintCountdown();
    setInterval(poll, 15000);
})();
</script>
{% endblock %}