{% extends "base.html" %}

{% block title %}Dashboard - Seismo Fleet Manager{% endblock %}

{% block content %}
{% if environment == 'development' %}
<div class="mb-4 p-4 bg-yellow-100 dark:bg-yellow-900 border-l-4 border-yellow-500 text-yellow-700 dark:text-yellow-200 rounded">
    <p class="font-bold">Development Environment</p>
    <p class="text-sm">You are currently viewing the development version of Seismo Fleet Manager.</p>
</div>
{% endif %}

<div class="mb-8 flex justify-between items-center">
    <div>
        <h1 class="text-3xl font-bold text-gray-900 dark:text-white">Dashboard</h1>
        <p class="text-gray-600 dark:text-gray-400 mt-1">Fleet overview and recent activity</p>
    </div>
    <div class="text-right">
        <p class="text-xs text-gray-500 dark:text-gray-400">Last updated</p>
        <p id="last-refresh" class="text-sm text-gray-700 dark:text-gray-300 font-mono">--</p>
    </div>
</div>

<!-- Dashboard cards with auto-refresh -->
<div hx-get="/api/status-snapshot"
     hx-trigger="load, every 10s"
     hx-swap="none"
     hx-on::after-request="updateDashboard(event)">

    <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">

        <!-- Fleet Summary Card -->
        <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6" id="fleet-summary-card">
            <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('fleet-summary')">
                <h2 class="text-lg font-semibold text-gray-900 dark:text-white">Fleet Summary</h2>
                <div class="flex items-center gap-2">
                    <svg class="w-6 h-6 text-seismo-orange" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                              d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z">
                        </path>
                    </svg>
                    <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="fleet-summary-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                    </svg>
                </div>
            </div>
            <div class="space-y-3 card-content" id="fleet-summary-content">
                <div class="flex justify-between items-center">
                    <span class="text-gray-600 dark:text-gray-400">Total Units</span>
                    <span id="total-units" class="text-3xl md:text-2xl font-bold text-gray-900 dark:text-white">--</span>
                </div>
                <div class="flex justify-between items-center">
                    <span class="text-gray-600 dark:text-gray-400">Deployed</span>
                    <span id="deployed-units" class="text-3xl md:text-2xl font-bold text-blue-600 dark:text-blue-400">--</span>
                </div>
                <div class="flex justify-between items-center">
                    <span class="text-gray-600 dark:text-gray-400">Benched</span>
                    <span id="benched-units" class="text-3xl md:text-2xl font-bold text-gray-600 dark:text-gray-400">--</span>
                </div>
                <div class="border-t border-gray-200 dark:border-gray-700 pt-3 mt-3">
                    <p class="text-xs text-gray-500 dark:text-gray-500 mb-2 italic">Deployed Status:</p>
                    <div class="flex justify-between items-center mb-2" title="Units reporting normally (last seen < 12 hours)">
                        <div class="flex items-center">
                            <span class="w-3 h-3 rounded-full bg-green-500 mr-2 flex items-center justify-center">
                                <svg class="w-2 h-2 text-white" fill="currentColor" viewBox="0 0 20 20">
                                    <path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"/>
                                </svg>
                            </span>
                            <span class="text-sm text-gray-600 dark:text-gray-400">OK</span>
                        </div>
                        <span id="status-ok" class="font-semibold text-green-600 dark:text-green-400">--</span>
                    </div>
                    <div class="flex justify-between items-center mb-2" title="Units with delayed reports (12-24 hours)">
                        <div class="flex items-center">
                            <span class="w-3 h-3 rounded-full bg-yellow-500 mr-2 flex items-center justify-center">
                                <svg class="w-2 h-2 text-white" fill="currentColor" viewBox="0 0 20 20">
                                    <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm1-12a1 1 0 10-2 0v4a1 1 0 00.293.707l2.828 2.829a1 1 0 101.415-1.415L11 9.586V6z" clip-rule="evenodd"/>
                                </svg>
                            </span>
                            <span class="text-sm text-gray-600 dark:text-gray-400">Pending</span>
                        </div>
                        <span id="status-pending" class="font-semibold text-yellow-600 dark:text-yellow-400">--</span>
                    </div>
                    <div class="flex justify-between items-center" title="Units not reporting (> 24 hours)">
                        <div class="flex items-center">
                            <span class="w-3 h-3 rounded-full bg-red-500 mr-2 flex items-center justify-center">
                                <svg class="w-2 h-2 text-white" fill="currentColor" viewBox="0 0 20 20">
                                    <path fill-rule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clip-rule="evenodd"/>
                                </svg>
                            </span>
                            <span class="text-sm text-gray-600 dark:text-gray-400">Missing</span>
                        </div>
                        <span id="status-missing" class="font-semibold text-red-600 dark:text-red-400">--</span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Recent Alerts Card -->
        <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6" id="recent-alerts-card">
            <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('recent-alerts')">
                <h2 class="text-lg font-semibold text-gray-900 dark:text-white">Recent Alerts</h2>
                <div class="flex items-center gap-2">
                    <svg class="w-6 h-6 text-red-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                              d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z">
                        </path>
                    </svg>
                    <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="recent-alerts-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                    </svg>
                </div>
            </div>
            <div id="alerts-list" class="space-y-3 card-content" id-content="recent-alerts-content">
                <p class="text-sm text-gray-500 dark:text-gray-400">Loading alerts...</p>
            </div>
        </div>

        <!-- Recent Photos Card -->
        <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6" id="recent-photos-card">
            <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('recent-photos')">
                <h2 class="text-lg font-semibold text-gray-900 dark:text-white">Recent Photos</h2>
                <div class="flex items-center gap-2">
                    <svg class="w-6 h-6 text-seismo-burgundy" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                              d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z">
                        </path>
                    </svg>
                    <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="recent-photos-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                    </svg>
                </div>
            </div>
            <div class="text-center text-gray-500 dark:text-gray-400 card-content" id="recent-photos-content">
                <svg class="w-16 h-16 mx-auto mb-2 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z">
                    </path>
                </svg>
                <p class="text-sm">No recent photos</p>
            </div>
        </div>

    </div>

    <!-- Fleet Map -->
    <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6 mb-8" id="fleet-map-card">
        <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('fleet-map')">
            <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Fleet Map</h2>
            <div class="flex items-center gap-2">
                <span class="text-sm text-gray-500 dark:text-gray-400">Deployed units</span>
                <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="fleet-map-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                </svg>
            </div>
        </div>
        <div class="card-content" id="fleet-map-content">
            <div id="fleet-map" class="w-full h-64 md:h-96 rounded-lg"></div>
        </div>
    </div>

    <!-- Recent Photos Section -->
    <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6 mb-8" id="recent-photos-card">
        <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('recent-photos')">
            <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Recent Photos</h2>
            <div class="flex items-center gap-2">
                <svg class="w-6 h-6 text-seismo-orange" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"></path>
                </svg>
                <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="recent-photos-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                </svg>
            </div>
        </div>
        <div class="card-content" id="recent-photos-content">
            <div id="recentPhotosGallery" class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-6 gap-4">
                <p class="text-sm text-gray-500 dark:text-gray-400 col-span-full">Loading recent photos...</p>
            </div>
        </div>
    </div>

    <!-- Fleet Status Section with Tabs -->
    <div class="rounded-xl shadow-lg bg-white dark:bg-slate-800 p-6" id="fleet-status-card">

        <div class="flex items-center justify-between mb-4 cursor-pointer md:cursor-default" onclick="toggleCard('fleet-status')">
            <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Fleet Status</h2>

            <div class="flex items-center gap-2">
                <a href="/roster" class="text-seismo-orange hover:text-seismo-burgundy font-medium flex items-center" onclick="event.stopPropagation()">
                    Full Roster
                    <svg class="w-4 h-4 ml-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
                    </svg>
                </a>
                <svg class="w-5 h-5 text-gray-500 transition-transform md:hidden chevron" id="fleet-status-chevron" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                </svg>
            </div>
        </div>

        <div class="card-content" id="fleet-status-content">
            <!-- Tab Bar -->
            <div class="flex border-b border-gray-200 dark:border-gray-700 mb-4">
                <button
                    class="px-4 py-2 text-sm font-medium tab-button active-tab"
                    hx-get="/dashboard/active"
                    hx-target="#fleet-table"
                    hx-swap="innerHTML">
                    Active
                </button>

                <button
                    class="px-4 py-2 text-sm font-medium tab-button"
                    hx-get="/dashboard/benched"
                    hx-target="#fleet-table"
                    hx-swap="innerHTML">
                    Benched
                </button>
            </div>

            <!-- Tab Content Target -->
            <div id="fleet-table" class="space-y-2"
                 hx-get="/dashboard/active"
                 hx-trigger="load"
                 hx-swap="innerHTML">
                <p class="text-gray-500 dark:text-gray-400">Loading fleet data...</p>
            </div>
        </div>

    </div>
</div>


<!-- TAB STYLE -->
<style>
.tab-button {
    color: #6b7280; /* gray-500 */
    border-bottom: 2px solid transparent;
}
.tab-button:hover {
    color: #374151; /* gray-700 */
}
.active-tab {
    color: #b84a12 !important; /* seismo orange */
    border-bottom: 2px solid #b84a12 !important;
}

/* Collapsible cards (mobile only) */
@media (max-width: 767px) {
    .card-content.collapsed {
        display: none;
    }
    .chevron.collapsed {
        transform: rotate(-90deg);
    }
}
</style>


<script>
// Toggle card collapse/expand (mobile only)
function toggleCard(cardName) {
    // Only work on mobile
    if (window.innerWidth >= 768) return;

    const content = document.getElementById(`${cardName}-content`);
    const chevron = document.getElementById(`${cardName}-chevron`);

    if (!content || !chevron) return;

    // Toggle collapsed state
    const isCollapsed = content.classList.contains('collapsed');

    if (isCollapsed) {
        content.classList.remove('collapsed');
        chevron.classList.remove('collapsed');

        // If expanding the fleet map, invalidate size after animation
        if (cardName === 'fleet-map' && window.fleetMap) {
            setTimeout(() => {
                window.fleetMap.invalidateSize();
            }, 300);
        }
    } else {
        content.classList.add('collapsed');
        chevron.classList.add('collapsed');
    }

    // Save state to localStorage
    const cardStates = JSON.parse(localStorage.getItem('dashboardCardStates') || '{}');
    cardStates[cardName] = !isCollapsed;
    localStorage.setItem('dashboardCardStates', JSON.stringify(cardStates));
}

// Restore card states from localStorage on page load
function restoreCardStates() {
    const cardStates = JSON.parse(localStorage.getItem('dashboardCardStates') || '{}');
    const cardNames = ['fleet-summary', 'recent-alerts', 'recent-photos', 'fleet-map', 'fleet-status'];

    cardNames.forEach(cardName => {
        const content = document.getElementById(`${cardName}-content`);
        const chevron = document.getElementById(`${cardName}-chevron`);

        if (!content || !chevron) return;

        // Default to expanded (true) if no saved state
        const isCollapsed = cardStates[cardName] === false;

        if (isCollapsed) {
            content.classList.add('collapsed');
            chevron.classList.add('collapsed');
        }
    });
}

// Restore states when DOM is ready
if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', restoreCardStates);
} else {
    restoreCardStates();
}

function updateDashboard(event) {
    try {
        const data = JSON.parse(event.detail.xhr.response);

        // Update "Last updated" timestamp with timezone
        const now = new Date();
        const timezone = localStorage.getItem('timezone') || 'America/New_York';
        document.getElementById('last-refresh').textContent = now.toLocaleTimeString('en-US', {
            hour: '2-digit',
            minute: '2-digit',
            second: '2-digit',
            timeZone: timezone,
            timeZoneName: 'short'
        });

        // ===== Fleet summary numbers =====
        document.getElementById('total-units').textContent = data.summary?.total ?? 0;
        document.getElementById('deployed-units').textContent = data.summary?.active ?? 0;
        document.getElementById('benched-units').textContent = data.summary?.benched ?? 0;
        document.getElementById('status-ok').textContent = data.summary?.ok ?? 0;
        document.getElementById('status-pending').textContent = data.summary?.pending ?? 0;
        document.getElementById('status-missing').textContent = data.summary?.missing ?? 0;

        // ===== Alerts =====
        const alertsList = document.getElementById('alerts-list');
        // Only show alerts for deployed units that are MISSING (not pending)
        const missingUnits = Object.entries(data.active).filter(([_, u]) => u.status === 'Missing');

        if (!missingUnits.length) {
            alertsList.innerHTML =
                '<p class="text-sm text-green-600 dark:text-green-400">✓ All units reporting normally</p>';
        } else {
            let alertsHtml = '';

            missingUnits.forEach(([id, unit]) => {
                alertsHtml += `
                <div class="flex items-start space-x-2 text-sm">
                    <span class="w-2 h-2 rounded-full bg-red-500 mt-1.5"></span>
                    <div>
                        <a href="/unit/${id}" class="font-medium text-red-600 dark:text-red-400 hover:underline">${id}</a>
                        <p class="text-gray-600 dark:text-gray-400">Missing for ${unit.age}</p>
                    </div>
                </div>`;
            });

            alertsList.innerHTML = alertsHtml;
        }

        // ===== Update Fleet Map =====
        updateFleetMap(data);

    } catch (err) {
        console.error("Dashboard update error:", err);
    }
}

// Handle tab switching
document.addEventListener('DOMContentLoaded', function() {
    const tabButtons = document.querySelectorAll('.tab-button');

    tabButtons.forEach(button => {
        button.addEventListener('click', function() {
            // Remove active-tab class from all buttons
            tabButtons.forEach(btn => btn.classList.remove('active-tab'));
            // Add active-tab class to clicked button
            this.classList.add('active-tab');
        });
    });

    // Initialize fleet map
    initFleetMap();
});

let fleetMap = null;
let fleetMarkers = [];
let fleetMapInitialized = false;

// Make fleetMap accessible globally for toggleCard function
window.fleetMap = null;

function initFleetMap() {
    // Initialize the map centered on the US (can adjust based on your deployment area)
    fleetMap = L.map('fleet-map').setView([39.8283, -98.5795], 4);
    window.fleetMap = fleetMap;

    // Add OpenStreetMap tiles
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
        attribution: '© OpenStreetMap contributors',
        maxZoom: 18
    }).addTo(fleetMap);

    // Force map to recalculate size after a brief delay to ensure container is fully rendered
    setTimeout(() => {
        fleetMap.invalidateSize();
    }, 100);
}

function updateFleetMap(data) {
    if (!fleetMap) return;

    // Clear existing markers
    fleetMarkers.forEach(marker => fleetMap.removeLayer(marker));
    fleetMarkers = [];

    // Get deployed units with coordinates data
    const deployedUnits = Object.entries(data.units).filter(([_, u]) => u.deployed && u.coordinates);

    if (deployedUnits.length === 0) {
        return;
    }

    const bounds = [];

    deployedUnits.forEach(([id, unit]) => {
        const coords = parseLocation(unit.coordinates);
        if (coords) {
            const [lat, lon] = coords;

            // Create marker with custom color based on status
            const markerColor = unit.status === 'OK' ? 'green' : unit.status === 'Pending' ? 'orange' : 'red';

            const marker = L.circleMarker([lat, lon], {
                radius: 8,
                fillColor: markerColor,
                color: '#fff',
                weight: 2,
                opacity: 1,
                fillOpacity: 0.8
            }).addTo(fleetMap);

            // Add popup with unit info
            marker.bindPopup(`
                <div class="p-2">
                    <h3 class="font-bold text-lg">${id}</h3>
                    <p class="text-sm">Status: <span style="color: ${markerColor}">${unit.status}</span></p>
                    <p class="text-sm">Type: ${unit.device_type}</p>
                    ${unit.note ? `<p class="text-sm text-gray-600">${unit.note}</p>` : ''}
                    <a href="/unit/${id}" class="text-blue-600 hover:underline text-sm">View Details →</a>
                </div>
            `);

            fleetMarkers.push(marker);
            bounds.push([lat, lon]);
        }
    });

    // Fit map to show all markers
    if (bounds.length > 0) {
        // Use different padding for mobile vs desktop
        const padding = window.innerWidth < 768 ? [20, 20] : [50, 50];
        fleetMap.fitBounds(bounds, { padding: padding });
        fleetMapInitialized = true;
    }
}

function parseLocation(location) {
    if (!location) return null;

    // Try to parse as "lat,lon" format
    const parts = location.split(',').map(s => s.trim());
    if (parts.length === 2) {
        const lat = parseFloat(parts[0]);
        const lon = parseFloat(parts[1]);
        if (!isNaN(lat) && !isNaN(lon)) {
            return [lat, lon];
        }
    }

    // TODO: Add geocoding support for address strings
    return null;
}

// Load and display recent photos
async function loadRecentPhotos() {
    try {
        const response = await fetch('/api/recent-photos?limit=12');
        if (!response.ok) {
            throw new Error('Failed to load recent photos');
        }

        const data = await response.json();
        const gallery = document.getElementById('recentPhotosGallery');

        if (data.photos && data.photos.length > 0) {
            gallery.innerHTML = '';
            data.photos.forEach(photo => {
                const photoDiv = document.createElement('div');
                photoDiv.className = 'relative group';
                photoDiv.innerHTML = `
                    <a href="/unit/${photo.unit_id}" class="block">
                        <img src="${photo.path}" alt="${photo.unit_id}"
                             class="w-full h-32 object-cover rounded-lg shadow hover:shadow-lg transition-shadow">
                        <div class="absolute bottom-0 left-0 right-0 bg-gradient-to-t from-black/70 to-transparent p-2 rounded-b-lg">
                            <p class="text-white text-xs font-semibold">${photo.unit_id}</p>
                        </div>
                    </a>
                `;
                gallery.appendChild(photoDiv);
            });
        } else {
            gallery.innerHTML = '<p class="text-sm text-gray-500 dark:text-gray-400 col-span-full">No photos uploaded yet. Upload photos from unit detail pages.</p>';
        }
    } catch (error) {
        console.error('Error loading recent photos:', error);
        document.getElementById('recentPhotosGallery').innerHTML = '<p class="text-sm text-red-500 col-span-full">Failed to load recent photos</p>';
    }
}

// Load recent photos on page load and refresh every 30 seconds
loadRecentPhotos();
setInterval(loadRecentPhotos, 30000);
</script>

{% endblock %}