{# Application log viewer - owner only.
   Created by: Jess Rogerson (yelling commands at Claude.AI) #}
{% extends "base.html" %}

{% block title %}Logs - Admin{% endblock %}

{% block content %}
<div class="row mb-3">
    <div class="col">
        <h1><i class="bi bi-journal-text"></i> Logs</h1>
        <p class="text-muted mb-0">
            <code>{{ log_path }}</code>
        </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>

<ul class="nav nav-tabs mb-3">
    <li class="nav-item">
        <a class="nav-link active" href="{{ url_for('logs.index') }}">
            <i class="bi bi-journal-text"></i> Application log
        </a>
    </li>
    <li class="nav-item">
        <a class="nav-link" href="{{ url_for('logs.brickset') }}">
            <i class="bi bi-cloud"></i> Brickset API calls
        </a>
    </li>
</ul>

{% if not configured %}
<div class="alert alert-warning">
    <i class="bi bi-exclamation-triangle"></i>
    No log file handler is active — check <code>LOG_FOLDER</code> is writable,
    then restart LIM.
</div>
{% endif %}

<div class="card mb-3">
    <div class="card-body">
        <form method="GET" class="row g-2 align-items-end">
            <div class="col-auto">
                <label class="form-label small mb-1" for="level">Minimum level</label>
                <select class="form-select form-select-sm" id="level" name="level">
                    {% for option in levels %}
                    <option value="{{ option }}" {% if option == level %}selected{% endif %}>
                        {{ option }}
                    </option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-auto">
                <label class="form-label small mb-1" for="source">Source</label>
                <select class="form-select form-select-sm" id="source" name="source">
                    <option value="">Everything</option>
                    <option value="app.services.instruction_fetcher"
                            {% if source == 'app.services.instruction_fetcher' %}selected{% endif %}>
                        Instruction fetcher
                    </option>
                    <option value="app.services.fetch_worker"
                            {% if source == 'app.services.fetch_worker' %}selected{% endif %}>
                        Fetch worker
                    </option>
                    <option value="app.services.brickset_api"
                            {% if source == 'app.services.brickset_api' %}selected{% endif %}>
                        Brickset API
                    </option>
                    <option value="app.services"
                            {% if source == 'app.services' %}selected{% endif %}>
                        All services
                    </option>
                </select>
            </div>
            <div class="col">
                <label class="form-label small mb-1" for="q">Contains</label>
                <input type="text" class="form-control form-control-sm" id="q"
                       name="q" value="{{ search }}" placeholder="text to match">
            </div>
            <div class="col-auto">
                <label class="form-label small mb-1" for="lines">Lines</label>
                <input type="number" class="form-control form-control-sm" id="lines"
                       name="lines" value="{{ lines }}" min="25" max="2000"
                       style="width: 100px;">
            </div>
            {% if files|length > 1 %}
            <div class="col-auto">
                <label class="form-label small mb-1" for="file">File</label>
                <select class="form-select form-select-sm" id="file" name="file">
                    {% for item in files %}
                    <option value="{{ item.name }}" {% if item.name == filename %}selected{% endif %}>
                        {{ item.name }} ({{ (item.size / 1024)|round(1) }} KB)
                    </option>
                    {% endfor %}
                </select>
            </div>
            {% endif %}
            <div class="col-auto">
                <button type="submit" class="btn btn-sm btn-primary">
                    <i class="bi bi-funnel"></i> Apply
                </button>
            </div>
        </form>
    </div>
</div>

<div class="d-flex justify-content-between align-items-center mb-2">
    <div class="text-muted small">
        Showing <strong id="shown">{{ shown }}</strong> of {{ total }} entries in view
        <span class="ms-3">
            <input class="form-check-input" type="checkbox" id="autorefresh">
            <label class="form-check-label" for="autorefresh">auto-refresh</label>
        </span>
    </div>
    <div>
        <a href="{{ url_for('logs.download', file=filename) }}"
           class="btn btn-sm btn-outline-secondary">
            <i class="bi bi-download"></i> Download
        </a>
        <form method="POST" action="{{ url_for('logs.rotate') }}" class="d-inline"
              onsubmit="return confirm('Start a fresh log file?');">
            <button class="btn btn-sm btn-outline-secondary">
                <i class="bi bi-arrow-clockwise"></i> Rotate now
            </button>
        </form>
    </div>
</div>

<div class="card">
    <div class="table-responsive" style="max-height: 70vh; overflow-y: auto;">
        <table class="table table-sm table-hover mb-0" style="font-family: var(--bs-font-monospace); font-size: 0.82rem;">
            <thead class="sticky-top bg-body">
                <tr>
                    <th style="width: 150px;">Time</th>
                    <th style="width: 90px;">Level</th>
                    <th style="width: 220px;">Source</th>
                    <th>Message</th>
                </tr>
            </thead>
            <tbody id="logbody">
                {% for entry in entries %}
                <tr>
                    <td class="text-nowrap text-muted">{{ entry.time }}</td>
                    <td><span class="badge bg-{{ entry.badge }}">{{ entry.level }}</span></td>
                    <td class="text-muted text-truncate" style="max-width: 220px;"
                        title="{{ entry.logger }}">{{ entry.logger }}</td>
                    <td>
                        {{ entry.message }}
                        {% if entry.extra %}
                        <pre class="mb-0 mt-1 small text-danger">{{ entry.extra|join('\n') }}</pre>
                        {% endif %}
                    </td>
                </tr>
                {% else %}
                <tr>
                    <td colspan="4" class="text-center text-muted py-4">
                        Nothing matches. Try a lower level or clear the filter.
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>
</div>

<script>
(function () {
    const params = new URLSearchParams(window.location.search);
    const url = "{{ url_for('logs.tail_json') }}" + '?' + params.toString();
    const body = document.getElementById('logbody');
    const shown = document.getElementById('shown');
    const toggle = document.getElementById('autorefresh');
    let timer = null;

    function escapeHtml(text) {
        const div = document.createElement('div');
        div.textContent = text;
        return div.innerHTML;
    }

    const badges = {DEBUG: 'secondary', INFO: 'info', WARNING: 'warning',
                    ERROR: 'danger', CRITICAL: 'danger'};

    async function refresh() {
        try {
            const res = await fetch(url, {headers: {'Accept': 'application/json'}});
            if (!res.ok) return;
            const data = await res.json();
            shown.textContent = data.shown;
            body.innerHTML = data.entries.map(function (e) {
                const extra = e.extra && e.extra.length
                    ? '<pre class="mb-0 mt-1 small text-danger">' +
                      escapeHtml(e.extra.join('\n')) + '</pre>'
                    : '';
                return '<tr>' +
                    '<td class="text-nowrap text-muted">' + escapeHtml(e.time) + '</td>' +
                    '<td><span class="badge bg-' + (badges[e.level] || 'secondary') +
                        '">' + escapeHtml(e.level) + '</span></td>' +
                    '<td class="text-muted text-truncate" style="max-width:220px" title="' +
                        escapeHtml(e.logger) + '">' + escapeHtml(e.logger) + '</td>' +
                    '<td>' + escapeHtml(e.message) + extra + '</td>' +
                    '</tr>';
            }).join('') ||
            '<tr><td colspan="4" class="text-center text-muted py-4">Nothing matches.</td></tr>';
        } catch (err) { /* try again next tick */ }
    }

    toggle.addEventListener('change', function () {
        if (toggle.checked) {
            refresh();
            timer = setInterval(refresh, 10000);
        } else if (timer) {
            clearInterval(timer);
            timer = null;
        }
    });
})();
</script>
{% endblock %}