{% extends "base.html" %}

{% block title %}Sound Level Meters - Seismo Fleet Manager{% endblock %}

{% block content %}
<div class="mb-8">
    <h1 class="text-3xl font-bold text-gray-900 dark:text-white flex items-center">
        <svg class="w-8 h-8 mr-3 text-seismo-orange" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.536 8.464a5 5 0 010 7.072m2.828-9.9a9 9 0 010 12.728M5.586 15H4a1 1 0 01-1-1v-4a1 1 0 011-1h1.586l4.707-4.707C10.923 3.663 12 4.109 12 5v14c0 .891-1.077 1.337-1.707.707L5.586 15z"></path>
        </svg>
        Sound Level Meters
    </h1>
    <p class="text-gray-600 dark:text-gray-400 mt-1">Monitor and control sound level measurement devices</p>
</div>

<!-- Summary Stats -->
<div class="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8"
     hx-get="/api/slm-dashboard/stats"
     hx-trigger="load, every 10s"
     hx-swap="innerHTML">
    <!-- Stats will be loaded here -->
    <div class="animate-pulse bg-gray-200 dark:bg-gray-700 h-24 rounded-xl"></div>
    <div class="animate-pulse bg-gray-200 dark:bg-gray-700 h-24 rounded-xl"></div>
    <div class="animate-pulse bg-gray-200 dark:bg-gray-700 h-24 rounded-xl"></div>
    <div class="animate-pulse bg-gray-200 dark:bg-gray-700 h-24 rounded-xl"></div>
</div>

<!-- Device List with Quick Actions -->
<div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6 mb-8">
    <div class="flex items-center justify-between mb-6">
        <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Active Devices</h2>
        <div class="flex items-center gap-3">
            <span class="text-sm text-gray-500 dark:text-gray-400">Auto-refresh: 15s</span>
            <a href="/roster" class="text-sm text-seismo-orange hover:text-seismo-navy">Manage roster</a>
        </div>
    </div>

    <div id="slm-devices-list"
         class="space-y-3"
         hx-get="/api/slm-dashboard/units?include_measurement=true"
         hx-trigger="load, every 15s"
         hx-swap="innerHTML">
        <div class="animate-pulse space-y-3">
            <div class="bg-gray-200 dark:bg-gray-700 h-32 rounded-lg"></div>
            <div class="bg-gray-200 dark:bg-gray-700 h-32 rounded-lg"></div>
            <div class="bg-gray-200 dark:bg-gray-700 h-32 rounded-lg"></div>
        </div>
    </div>
</div>

<!-- Live Measurement Chart - shows when a device is selected -->
<div id="live-chart-panel" class="hidden bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6 mb-8">
    <div class="flex items-center justify-between mb-6">
        <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Live Measurements</h2>
        <button onclick="closeLiveChart()" class="text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200">
            <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
            </svg>
        </button>
    </div>

    <!-- Current Metrics -->
    <div class="grid grid-cols-5 gap-4 mb-6">
        <div class="bg-blue-50 dark:bg-blue-900/20 rounded-lg p-4">
            <p class="text-xs text-gray-600 dark:text-gray-400 mb-1">Lp (Instant)</p>
            <p id="chart-lp" class="text-2xl font-bold text-blue-600 dark:text-blue-400">--</p>
            <p class="text-xs text-gray-500 dark:text-gray-400">dB</p>
        </div>

        <div class="bg-green-50 dark:bg-green-900/20 rounded-lg p-4">
            <p class="text-xs text-gray-600 dark:text-gray-400 mb-1">Leq (Average)</p>
            <p id="chart-leq" class="text-2xl font-bold text-green-600 dark:text-green-400">--</p>
            <p class="text-xs text-gray-500 dark:text-gray-400">dB</p>
        </div>

        <div class="bg-red-50 dark:bg-red-900/20 rounded-lg p-4">
            <p class="text-xs text-gray-600 dark:text-gray-400 mb-1">Lmax (Max)</p>
            <p id="chart-lmax" class="text-2xl font-bold text-red-600 dark:text-red-400">--</p>
            <p class="text-xs text-gray-500 dark:text-gray-400">dB</p>
        </div>

        <div class="bg-purple-50 dark:bg-purple-900/20 rounded-lg p-4">
            <p class="text-xs text-gray-600 dark:text-gray-400 mb-1">Lmin (Min)</p>
            <p id="chart-lmin" class="text-2xl font-bold text-purple-600 dark:text-purple-400">--</p>
            <p class="text-xs text-gray-500 dark:text-gray-400">dB</p>
        </div>

        <div class="bg-orange-50 dark:bg-orange-900/20 rounded-lg p-4">
            <p class="text-xs text-gray-600 dark:text-gray-400 mb-1">Lpeak (Peak)</p>
            <p id="chart-lpeak" class="text-2xl font-bold text-orange-600 dark:text-orange-400">--</p>
            <p class="text-xs text-gray-500 dark:text-gray-400">dB</p>
        </div>
    </div>

    <!-- Chart -->
    <div class="bg-gray-50 dark:bg-gray-900/50 rounded-lg p-4" style="min-height: 400px;">
        <canvas id="dashboardLiveChart"></canvas>
    </div>

    <!-- Stream Control -->
    <div class="mt-4 flex justify-center gap-3">
        <button id="start-chart-stream" onclick="startDashboardStream()"
                class="px-6 py-2 bg-seismo-orange hover:bg-orange-600 text-white rounded-lg flex items-center">
            <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"></path>
            </svg>
            Start Live Stream
        </button>
        <button id="stop-chart-stream" onclick="stopDashboardStream()" style="display: none;"
                class="px-6 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg flex items-center">
            <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 10a1 1 0 011-1h4a1 1 0 011 1v4a1 1 0 01-1 1h-4a1 1 0 01-1-1v-4z"></path>
            </svg>
            Stop Live Stream
        </button>
    </div>
</div>

<!-- Projects Overview -->
<div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6">
    <div class="flex items-center justify-between mb-4">
        <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Active Projects</h2>
        <a href="/projects" class="text-sm text-seismo-orange hover:text-seismo-navy">View all</a>
    </div>

    <div id="slm-projects-list"
         class="space-y-3 max-h-[400px] overflow-y-auto"
         hx-get="/api/projects/list?status=active&project_type_id=sound_monitoring&view=compact"
         hx-trigger="load, every 60s"
         hx-swap="innerHTML">
        <div class="animate-pulse space-y-3">
            <div class="bg-gray-200 dark:bg-gray-700 h-20 rounded-lg"></div>
            <div class="bg-gray-200 dark:bg-gray-700 h-20 rounded-lg"></div>
            <div class="bg-gray-200 dark:bg-gray-700 h-20 rounded-lg"></div>
        </div>
    </div>
</div>

<!-- Unified SLM Settings Modal -->
{% include 'partials/slm_settings_modal.html' %}

<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
// Global variables
window.dashboardChart = null;
window.dashboardWebSocket = null;
window.selectedUnitId = null;
window.dashboardChartData = {
    timestamps: [],
    lp: [],
    leq: []
};

// Initialize Chart.js
function initializeDashboardChart() {
    if (typeof Chart === 'undefined') {
        setTimeout(initializeDashboardChart, 100);
        return;
    }

    const canvas = document.getElementById('dashboardLiveChart');
    if (!canvas) return;

    if (window.dashboardChart) {
        window.dashboardChart.destroy();
    }

    const ctx = canvas.getContext('2d');
    const isDarkMode = document.documentElement.classList.contains('dark');
    const gridColor = isDarkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
    const textColor = isDarkMode ? 'rgba(255, 255, 255, 0.7)' : 'rgba(0, 0, 0, 0.7)';

    window.dashboardChart = new Chart(ctx, {
        type: 'line',
        data: {
            labels: [],
            datasets: [
                {
                    label: 'Lp (Instantaneous)',
                    data: [],
                    borderColor: 'rgb(59, 130, 246)',
                    backgroundColor: 'rgba(59, 130, 246, 0.1)',
                    tension: 0.3,
                    borderWidth: 2,
                    pointRadius: 0
                },
                {
                    label: 'Leq (Equivalent)',
                    data: [],
                    borderColor: 'rgb(34, 197, 94)',
                    backgroundColor: 'rgba(34, 197, 94, 0.1)',
                    tension: 0.3,
                    borderWidth: 2,
                    pointRadius: 0
                }
            ]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            animation: false,
            interaction: {
                intersect: false,
                mode: 'index'
            },
            scales: {
                x: {
                    display: true,
                    grid: { color: gridColor },
                    ticks: { color: textColor, maxTicksLimit: 10 }
                },
                y: {
                    display: true,
                    title: {
                        display: true,
                        text: 'Sound Level (dB)',
                        color: textColor
                    },
                    grid: { color: gridColor },
                    ticks: { color: textColor },
                    min: 30,
                    max: 130
                }
            },
            plugins: {
                legend: {
                    labels: { color: textColor }
                }
            }
        }
    });
}

// Show live chart for a specific unit
function showLiveChart(unitId) {
    window.selectedUnitId = unitId;
    const panel = document.getElementById('live-chart-panel');
    panel.classList.remove('hidden');

    // Initialize chart if needed
    if (!window.dashboardChart) {
        initializeDashboardChart();
    }

    // Reset data
    window.dashboardChartData = {
        timestamps: [],
        lp: [],
        leq: []
    };

    // Scroll to chart
    panel.scrollIntoView({ behavior: 'smooth', block: 'start' });
}

function closeLiveChart() {
    stopDashboardStream();
    document.getElementById('live-chart-panel').classList.add('hidden');
    window.selectedUnitId = null;
}

// WebSocket streaming
function startDashboardStream() {
    if (!window.selectedUnitId) return;

    // Close existing connection
    if (window.dashboardWebSocket) {
        window.dashboardWebSocket.close();
    }

    // Reset chart data
    window.dashboardChartData = { timestamps: [], lp: [], leq: [] };
    if (window.dashboardChart) {
        window.dashboardChart.data.labels = [];
        window.dashboardChart.data.datasets[0].data = [];
        window.dashboardChart.data.datasets[1].data = [];
        window.dashboardChart.update();
    }

    const wsProtocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
    const wsUrl = `${wsProtocol}//${window.location.host}/api/slmm/${window.selectedUnitId}/live`;

    window.dashboardWebSocket = new WebSocket(wsUrl);

    window.dashboardWebSocket.onopen = function() {
        console.log('Dashboard WebSocket connected');
        document.getElementById('start-chart-stream').style.display = 'none';
        document.getElementById('stop-chart-stream').style.display = 'flex';
    };

    window.dashboardWebSocket.onmessage = function(event) {
        try {
            const data = JSON.parse(event.data);
            updateDashboardMetrics(data);
            updateDashboardChart(data);
        } catch (error) {
            console.error('Error parsing WebSocket message:', error);
        }
    };

    window.dashboardWebSocket.onerror = function(error) {
        console.error('Dashboard WebSocket error:', error);
    };

    window.dashboardWebSocket.onclose = function() {
        console.log('Dashboard WebSocket closed');
        document.getElementById('start-chart-stream').style.display = 'flex';
        document.getElementById('stop-chart-stream').style.display = 'none';
    };
}

function stopDashboardStream() {
    if (window.dashboardWebSocket) {
        window.dashboardWebSocket.close();
        window.dashboardWebSocket = null;
    }
}

function updateDashboardMetrics(data) {
    document.getElementById('chart-lp').textContent = data.lp || '--';
    document.getElementById('chart-leq').textContent = data.leq || '--';
    document.getElementById('chart-lmax').textContent = data.lmax || '--';
    document.getElementById('chart-lmin').textContent = data.lmin || '--';
    document.getElementById('chart-lpeak').textContent = data.lpeak || '--';
}

function updateDashboardChart(data) {
    const now = new Date();
    window.dashboardChartData.timestamps.push(now.toLocaleTimeString());
    window.dashboardChartData.lp.push(parseFloat(data.lp || 0));
    window.dashboardChartData.leq.push(parseFloat(data.leq || 0));

    // Keep only last 60 data points
    if (window.dashboardChartData.timestamps.length > 60) {
        window.dashboardChartData.timestamps.shift();
        window.dashboardChartData.lp.shift();
        window.dashboardChartData.leq.shift();
    }

    if (window.dashboardChart) {
        window.dashboardChart.data.labels = window.dashboardChartData.timestamps;
        window.dashboardChart.data.datasets[0].data = window.dashboardChartData.lp;
        window.dashboardChart.data.datasets[1].data = window.dashboardChartData.leq;
        window.dashboardChart.update('none');
    }
}

// Configuration modal - use unified SLM settings modal
function openDeviceConfigModal(unitId) {
    // Call the unified modal function from slm_settings_modal.html
    if (typeof openSLMSettingsModal === 'function') {
        openSLMSettingsModal(unitId);
    } else {
        console.error('openSLMSettingsModal not found');
    }
}

function closeDeviceConfigModal() {
    // Call the unified modal close function
    if (typeof closeSLMSettingsModal === 'function') {
        closeSLMSettingsModal();
    }
}

// Cleanup on page unload
window.addEventListener('beforeunload', function() {
    stopDashboardStream();
});
</script>
{% endblock %}