{% extends "base.html" %}

{% block content %}
<div class="row mb-4">
    <div class="col-md-8">
        <h2><i class="fas fa-server me-2"></i>System Status</h2>
        <p class="text-muted">AI Model Health, Selection Reasoning, and Availability.</p>
    </div>
    <div class="col-md-4 text-end">
        <a href="{{ url_for('project.index') }}" class="btn btn-outline-secondary me-2">Back to Dashboard</a>
        <button id="styleBtn" class="btn btn-outline-info me-2" onclick="refreshStyleGuidelines()">
            <span id="styleIcon"><i class="fas fa-filter me-2"></i></span>
            <span id="styleSpinner" class="spinner-border spinner-border-sm me-2 d-none" role="status"></span>
            <span id="styleLabel">Refresh Style Rules</span>
        </button>
        <button id="refreshBtn" class="btn btn-primary" onclick="refreshModels()">
            <span id="refreshIcon"><i class="fas fa-sync me-2"></i></span>
            <span id="refreshSpinner" class="spinner-border spinner-border-sm me-2 d-none" role="status"></span>
            <span id="refreshLabel">Refresh & Optimize</span>
        </button>
    </div>
</div>

{% if cache.error %}
<div class="alert alert-danger shadow-sm">
    <h5 class="alert-heading"><i class="fas fa-exclamation-triangle me-2"></i>Last Scan Error</h5>
    <p class="mb-0">{{ cache.error }}</p>
</div>
{% endif %}

<div class="card shadow-sm mb-4">
    <div class="card-header bg-light">
        <h5 class="mb-0"><i class="fas fa-robot me-2"></i>AI Model Selection</h5>
    </div>
    <div class="card-body p-0">
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light">
                    <tr>
                        <th style="width: 15%">Role</th>
                        <th style="width: 25%">Selected Model</th>
                        <th style="width: 15%">Est. Cost</th>
                        <th>Selection Reasoning</th>
                    </tr>
                </thead>
                <tbody>
                    {% if models %}
                        {% for role, info in models.items() %}
                        {% if role != 'ranking' %}
                        <tr>
                            <td class="fw-bold text-uppercase">{{ role }}</td>
                            <td>
                                <span class="badge bg-info text-dark">{{ info.model }}</span>
                            </td>
                            <td>
                                <span class="badge bg-light text-dark border">{{ info.estimated_cost }}</span>
                            </td>
                            <td class="small text-muted">
                                {{ info.reason }}
                            </td>
                        </tr>
                        {% endif %}
                        {% endfor %}
                        <tr>
                            <td class="fw-bold text-uppercase">Image</td>
                            <td>
                                {% if image_model %}
                                <span class="badge bg-success">{{ image_model }}</span>
                                {% else %}
                                <span class="badge bg-danger">Unavailable</span>
                                {% endif %}
                            </td>
                            <td>
                                <span class="badge bg-light text-dark border">{{ image_source or 'None' }}</span>
                            </td>
                            <td class="small text-muted">
                                {% if image_model %}Imagen model used for book cover generation.{% else %}No image generation model could be initialized. Check GCP credentials or Gemini API key.{% endif %}
                            </td>
                        </tr>
                    {% else %}
                        <tr>
                            <td colspan="3" class="text-center py-4 text-muted">
                                <i class="fas fa-exclamation-circle me-2"></i>No model configuration found. 
                                <br>Click <strong>Refresh & Optimize</strong> to scan available Gemini models.
                            </td>
                        </tr>
                    {% endif %}
                </tbody>
            </table>
        </div>
    </div>
</div>

<!-- Ranked Models -->
<div class="card shadow-sm mb-4">
    <div class="card-header bg-light">
        <h5 class="mb-0"><i class="fas fa-list-ol me-2"></i>All Models Ranked</h5>
    </div>
    <div class="card-body p-0">
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light">
                    <tr>
                        <th style="width: 10%">Rank</th>
                        <th style="width: 30%">Model Name</th>
                        <th style="width: 15%">Est. Cost</th>
                        <th>Reasoning</th>
                    </tr>
                </thead>
                <tbody>
                    {% if models and models.ranking %}
                        {% for item in models.ranking %}
                        <tr>
                            <td class="fw-bold">{{ loop.index }}</td>
                            <td><span class="badge bg-secondary">{{ item.model }}</span></td>
                            <td><small>{{ item.estimated_cost }}</small></td>
                            <td class="small text-muted">{{ item.reason }}</td>
                        </tr>
                        {% endfor %}
                    {% else %}
                        <tr>
                            <td colspan="3" class="text-center py-4 text-muted">
                                No ranking data available. Refresh models to generate.
                            </td>
                        </tr>
                    {% endif %}
                </tbody>
            </table>
        </div>
    </div>
</div>

<!-- Raw API Output -->
<div class="card shadow-sm mb-4">
    <div class="card-header bg-light d-flex justify-content-between align-items-center" style="cursor: pointer;" data-bs-toggle="collapse" data-bs-target="#rawOutput">
        <h5 class="mb-0"><i class="fas fa-terminal me-2"></i>Raw API Output</h5>
        <span class="badge bg-secondary">Click to Toggle</span>
    </div>
    <div id="rawOutput" class="collapse">
        <div class="card-body bg-dark text-light font-monospace">
            <p class="text-muted mb-2"># Full list of models returned by google.generativeai.list_models():</p>
            <ul class="list-unstyled mb-0" style="column-count: 2;">
                {% if cache.raw_models %}
                    {% for m in cache.raw_models %}
                    <li>
                        <span class="{{ 'text-success' if 'gemini' in m else 'text-muted' }}">{{ m }}</span>
                    </li>
                    {% endfor %}
                {% else %}
                    <li class="text-muted">No raw data available. Run "Refresh & Optimize".</li>
                {% endif %}
            </ul>
        </div>
    </div>
</div>

<!-- Cache Info -->
<div class="card shadow-sm">
    <div class="card-header bg-light">
        <h5 class="mb-0"><i class="fas fa-clock me-2"></i>Cache Status</h5>
    </div>
    <div class="card-body">
        <p class="mb-1">
            <strong>Last Scan:</strong>
            {% if cache and cache.timestamp %}
                {{ datetime.fromtimestamp(cache.timestamp).strftime('%Y-%m-%d %H:%M:%S') }} UTC
            {% else %}
                Never
            {% endif %}
        </p>
        <p class="mb-0">
            <strong>Next Refresh:</strong>
            {% if cache and cache.timestamp %}
                {% set expires = cache.timestamp + 86400 %}
                {% set now_ts = datetime.utcnow().timestamp() %}
                {% if expires > now_ts %}
                    {% set remaining = (expires - now_ts) | int %}
                    {% set h = remaining // 3600 %}{% set m = (remaining % 3600) // 60 %}
                    in {{ h }}h {{ m }}m
                    <span class="badge bg-success ms-1">Cache Valid</span>
                {% else %}
                    <span class="badge bg-warning text-dark">Expired — click Refresh &amp; Optimize</span>
                {% endif %}
            {% else %}
                <span class="badge bg-warning text-dark">No cache — click Refresh &amp; Optimize</span>
            {% endif %}
        </p>
        <p class="text-muted small mt-2 mb-0">Model selection is cached for 24 hours to save API calls.</p>
    </div>
</div>

<!-- Toast notification -->
<div class="position-fixed bottom-0 end-0 p-3" style="z-index: 1100">
    <div id="refreshToast" class="toast align-items-center border-0" role="alert" aria-live="assertive" aria-atomic="true">
        <div class="d-flex">
            <div id="toastBody" class="toast-body fw-semibold"></div>
            <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast"></button>
        </div>
    </div>
</div>

<script>
async function refreshModels() {
    const btn = document.getElementById('refreshBtn');
    const icon = document.getElementById('refreshIcon');
    const spinner = document.getElementById('refreshSpinner');
    const label = document.getElementById('refreshLabel');

    btn.disabled = true;
    icon.classList.add('d-none');
    spinner.classList.remove('d-none');
    label.textContent = 'Processing...';

    try {
        const resp = await fetch("{{ url_for('admin.optimize_models') }}", {
            method: 'POST',
            headers: { 'X-Requested-With': 'XMLHttpRequest' }
        });
        const data = await resp.json();
        showToast(data.message, resp.ok ? 'bg-success text-white' : 'bg-danger text-white');
        if (resp.ok) {
            setTimeout(() => location.reload(), 1500);
        }
    } catch (err) {
        showToast('Request failed: ' + err.message, 'bg-danger text-white');
    } finally {
        btn.disabled = false;
        icon.classList.remove('d-none');
        spinner.classList.add('d-none');
        label.textContent = 'Refresh & Optimize';
    }
}

async function refreshStyleGuidelines() {
    const btn = document.getElementById('styleBtn');
    const icon = document.getElementById('styleIcon');
    const spinner = document.getElementById('styleSpinner');
    const label = document.getElementById('styleLabel');

    btn.disabled = true;
    icon.classList.add('d-none');
    spinner.classList.remove('d-none');
    label.textContent = 'Updating...';

    try {
        const resp = await fetch("{{ url_for('admin.refresh_style_guidelines_route') }}", {
            method: 'POST',
            headers: { 'X-Requested-With': 'XMLHttpRequest' }
        });
        const data = await resp.json();
        showToast(data.message, resp.ok ? 'bg-success text-white' : 'bg-danger text-white');
    } catch (err) {
        showToast('Request failed: ' + err.message, 'bg-danger text-white');
    } finally {
        btn.disabled = false;
        icon.classList.remove('d-none');
        spinner.classList.add('d-none');
        label.textContent = 'Refresh Style Rules';
    }
}

function showToast(message, classes) {
    const toast = document.getElementById('refreshToast');
    const body = document.getElementById('toastBody');
    toast.className = 'toast align-items-center border-0 ' + classes;
    body.textContent = message;
    bootstrap.Toast.getOrCreateInstance(toast, { delay: 4000 }).show();
}
</script>
{% endblock %}