{% extends "base.html" %}
{% block title %}kube-foresight · Overview{% endblock %}

{% block content %}
<!-- Header with Settings + Analyze -->
<div class="mb-6 flex items-center justify-between">
    <div>
        <h1 class="text-2xl font-bold text-gray-900">Cluster Overview</h1>
        {% if report %}
        <p class="text-sm text-gray-500 mt-1">Namespace: <span class="font-medium text-gray-700">{{ report.namespace }}</span></p>
        {% endif %}
    </div>
    <div class="flex items-center space-x-2">
        <button type="button" onclick="toggleSettings()"
            class="inline-flex items-center px-3 py-2 bg-gray-100 text-gray-700 text-sm font-medium rounded-lg hover:bg-gray-200 transition-colors border border-gray-300">
            <svg class="w-4 h-4 mr-1.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.066 2.573c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.573 1.066c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.066-2.573c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"/>
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
            </svg>
            Settings
        </button>
        <button hx-post="/partials/analyze"
                hx-target="#analyze-result"
                hx-include="#settings-panel input, #settings-panel select"
                hx-indicator="#analyze-spinner"
                class="inline-flex items-center px-4 py-2 bg-kf-accent text-white text-sm font-medium rounded-lg hover:bg-blue-600 transition-colors">
            <svg class="w-4 h-4 mr-1.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
            </svg>
            Analyze
        </button>
    </div>
</div>

<!-- Collapsible Settings Panel -->
<div id="settings-panel" class="hidden bg-white rounded-xl shadow-sm border border-gray-200 p-6 mb-6">
    <h3 class="text-sm font-semibold text-gray-700 mb-4">Analysis Settings</h3>
    <input type="hidden" name="mode" value="{{ default_mode }}">
    <input type="hidden" name="seed" value="42">
    <div class="grid grid-cols-1 sm:grid-cols-3 gap-4">
        <div>
            <label for="namespace" class="block text-xs text-gray-500 mb-1">Namespace</label>
            {% if namespaces %}
            <select name="namespace" id="namespace"
                class="w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:ring-2 focus:ring-kf-accent focus:border-transparent outline-none">
                {% for ns in namespaces %}
                <option value="{{ ns }}" {% if ns == default_namespace %}selected{% endif %}>{{ ns }}</option>
                {% endfor %}
            </select>
            {% else %}
            <input type="text" name="namespace" id="namespace" value="{{ default_namespace }}"
                class="w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:ring-2 focus:ring-kf-accent focus:border-transparent outline-none"
                placeholder="e.g. default">
            {% endif %}
        </div>
        <div>
            <label for="strategy" class="block text-xs text-gray-500 mb-1">Strategy</label>
            <select name="strategy" id="strategy"
                class="w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:ring-2 focus:ring-kf-accent focus:border-transparent outline-none">
                <option value="p95" selected>P95 (Recommended)</option>
                <option value="p99">P99 (Conservative)</option>
                <option value="max">Max (Safest)</option>
            </select>
        </div>
        <div>
            <label for="top_n" class="block text-xs text-gray-500 mb-1">Top N</label>
            <input type="number" name="top_n" id="top_n" value="10" min="1" max="50"
                class="w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:ring-2 focus:ring-kf-accent focus:border-transparent outline-none">
        </div>
    </div>
</div>

<!-- HTMX feedback -->
<div id="analyze-spinner" class="htmx-indicator mb-4">
    {% include "partials/loading.html" %}
</div>
<div id="analyze-result" class="mb-4"></div>

{% if report %}
{% if report.analyzed_deployments == 0 %}
<div class="bg-white rounded-xl shadow-sm border border-gray-200 p-12 text-center">
    <p class="text-gray-500 text-lg">No deployments found in namespace <span class="font-medium">{{ report.namespace }}</span>.</p>
    <p class="text-gray-400 text-sm mt-2">Try a different namespace using the Settings panel above.</p>
</div>
{% else %}
{% include "partials/kpi_cards.html" %}
{% include "partials/forecast_alerts.html" %}

<!-- Utilization Chart -->
<div class="bg-white rounded-xl shadow-sm border border-gray-200 p-6 mb-8">
    <h2 class="text-lg font-semibold text-gray-900 mb-4">Resource Utilization</h2>
    <div style="height: 350px;">
        <canvas id="utilization-chart"></canvas>
    </div>
</div>

{% include "partials/deployment_table.html" %}
{% endif %}
{% else %}
<div class="bg-white rounded-xl shadow-sm border border-gray-200 p-12 text-center">
    <p class="text-gray-500 text-lg">No analysis results available.</p>
    <p class="text-gray-400 text-sm mt-2">Click <strong>Analyze</strong> to run resource analysis.</p>
</div>
{% endif %}
{% endblock %}

{% block scripts_extra %}
{% if report and report.analyzed_deployments > 0 %}
<script>
    const reportData = {{ report_json|safe }};
    document.addEventListener('DOMContentLoaded', function() {
        renderUtilizationChart('utilization-chart', reportData.profiles);
    });
</script>
{% endif %}
{% endblock %}