@extends('layouts.app', ['title' => $title ?? 'Dashboard'])

@section('content')
<div class="dashboard-public">
    <div class="dashboard-hero">
        <div class="container">
            <div class="row align-items-center">
                <div class="col-lg-8">
                    <h1 class="dashboard-title">Dashboard Sebaran KKN</h1>
                    <p class="dashboard-lead mb-0">
                        Peta interaktif sebaran kelompok KKN di Nusa Tenggara Timur. Zoom dan klik titik desa untuk melihat detail kabupaten, kecamatan, desa, serta jumlah anggota KKN.
                    </p>
                </div>
                <div class="col-lg-4 mt-4 mt-lg-0">
                    <div class="dashboard-stats">
                        <div class="stat-item">
                            <span class="stat-value">{{ number_format($totalDesa) }}</span>
                            <span class="stat-label">Desa</span>
                        </div>
                        <div class="stat-item">
                            <span class="stat-value">{{ number_format($totalKelompok) }}</span>
                            <span class="stat-label">Kelompok</span>
                        </div>
                        <div class="stat-item">
                            <span class="stat-value">{{ number_format($totalAnggota) }}</span>
                            <span class="stat-label">Anggota KKN</span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="container dashboard-body">
        <div class="search-card">
            <form method="GET" action="{{ route('dashboard') }}" class="search-form">
                <div class="search-input-wrap">
                    <i class="fas fa-search search-icon"></i>
                    <input
                        type="text"
                        name="q"
                        id="kkn-search-input"
                        class="form-control search-input"
                        placeholder="Cari nama atau NIM/NIDN..."
                        value="{{ $searchQuery ?? '' }}"
                        autocomplete="off"
                    >
                </div>
                <select name="tipe" class="form-control search-type" aria-label="Jenis pencarian">
                    <option value="mahasiswa" {{ ($searchType ?? 'mahasiswa') === 'mahasiswa' ? 'selected' : '' }}>Mahasiswa</option>
                    <option value="dosen" {{ ($searchType ?? '') === 'dosen' ? 'selected' : '' }}>Dosen</option>
                </select>
                <button type="submit" class="btn btn-primary search-btn">
                    Lacak
                </button>
                @if($searchQuery ?? false)
                    <a href="{{ route('dashboard') }}" class="btn btn-outline-secondary search-reset">
                        Reset
                    </a>
                @endif
            </form>

            @if($searchQuery ?? false)
                <div class="search-results">
                    <div class="search-results__header">
                        <span>Hasil pencarian untuk <strong>"{{ $searchQuery }}"</strong></span>
                        <span class="badge badge-light border">{{ $searchResults->count() }} ditemukan</span>
                    </div>

                    @if($searchResults->isEmpty())
                        <div class="search-results__empty">
                            <i class="fas fa-user-slash mr-2"></i>
                            Mahasiswa tidak ditemukan atau belum terdaftar pada kelompok KKN.
                        </div>
                    @else
                        <div class="search-results__list">
                            @foreach($searchResults as $result)
                                <button
                                    type="button"
                                    class="search-result-item"
                                    @if($result->desa_id) onclick="focusDesa({{ $result->desa_id }})" onmouseenter="focusDesa({{ $result->desa_id }}, false)" @endif
                                >
                                    <div class="search-result-item__main">
                                        <div class="search-result-item__name">{{ $result->nama_lengkap }}</div>
                                        <div class="search-result-item__meta">
                                            <span><i class="fas fa-id-card mr-1"></i> {{ $result->identifier_label }} {{ $result->identifier }}</span>
                                            @if($result->perguruan_tinggi)
                                                <span><i class="fas fa-university mr-1"></i> {{ $result->perguruan_tinggi }}</span>
                                            @endif
                                            @if($result->tipe === 'mahasiswa' && $result->program_studi)
                                                <span><i class="fas fa-graduation-cap mr-1"></i> {{ $result->program_studi }}</span>
                                            @endif
                                        </div>
                                    </div>
                                    <div class="search-result-item__location">
                                        <div class="search-result-item__group">
                                            <i class="fas fa-users mr-1"></i> {{ $result->kelompok }}
                                        </div>
                                        <div class="search-result-item__place">
                                            {{ $result->desa }}, {{ $result->kecamatan }}, {{ $result->kabupaten }}
                                        </div>
                                    </div>
                                    @if($result->desa_id)
                                        <span class="search-result-item__action">
                                            <i class="fas fa-map-marker-alt"></i>
                                        </span>
                                    @endif
                                </button>
                            @endforeach
                        </div>
                    @endif
                </div>
            @endif
        </div>
    </div>

    <div class="container-fluid px-0 map-wrapper">
        <div class="map-card">
            <div class="map-toolbar">
                <div class="legend">
                    <span class="legend-item">
                        <span class="legend-dot active-dot"></span> Desa dengan KKN
                    </span>
                </div>
                <small class="text-muted ml-auto">Hanya menampilkan desa yang sudah memiliki data kelompok KKN.</small>
            </div>
            <div id="map-kkn"></div>
            @if($markers->isEmpty())
                <div class="p-4 text-center text-muted">
                    <i class="fas fa-info-circle mr-1"></i> Belum ada data kelompok KKN yang dapat ditampilkan di peta.
                </div>
            @endif
        </div>
    </div>
</div>
@endsection

@push('styles')
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="" />
<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css" crossorigin="" />
<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.Default.css" crossorigin="" />
<style>
    .dashboard-public {
        background: #f5f8fc;
        min-height: calc(100vh - 80px);
        padding-bottom: 3rem;
    }
    .dashboard-hero {
        background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
        color: #fff;
        padding: 3rem 0 4rem;
        position: relative;
        overflow: hidden;
    }
    .dashboard-hero::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -10%;
        width: 500px;
        height: 500px;
        background: rgba(255,255,255,0.06);
        border-radius: 50%;
    }
    .dashboard-title {
        font-weight: 800;
        font-size: 2.25rem;
        margin-bottom: .75rem;
    }
    .dashboard-lead {
        font-size: 1.05rem;
        opacity: .92;
        max-width: 680px;
    }
    .dashboard-stats {
        display: flex;
        gap: 1rem;
        background: rgba(255,255,255,0.12);
        backdrop-filter: blur(8px);
        border-radius: 18px;
        padding: 1.25rem 1.5rem;
    }
    .stat-item {
        flex: 1;
        text-align: center;
    }
    .stat-value {
        display: block;
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1;
    }
    .stat-label {
        font-size: .8rem;
        opacity: .85;
        text-transform: uppercase;
        letter-spacing: .04em;
    }
    .dashboard-body {
        margin-top: -2rem;
        position: relative;
        z-index: 2;
    }
    .map-card {
        background: #fff;
        border-radius: 24px 24px 0 0;
        box-shadow: 0 20px 50px rgba(13, 60, 109, 0.1);
        overflow: hidden;
    }
    .map-wrapper {
        width: 100%;
    }
    .map-toolbar {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #eef2f6;
        display: flex;
        justify-content: flex-end;
    }
    .legend {
        display: flex;
        gap: 1.25rem;
        font-size: .85rem;
        color: #495057;
    }
    .legend-item {
        display: inline-flex;
        align-items: center;
        gap: .5rem;
    }
    .legend-dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        display: inline-block;
    }
    .active-dot { background: #0d6efd; }
    .map-toolbar small {
        font-size: .8rem;
    }
    .inactive-dot { background: #adb5bd; }
    .search-card {
        background: #fff;
        border-radius: 24px;
        box-shadow: 0 12px 30px rgba(13, 60, 109, 0.08);
        padding: 1.25rem 1.5rem;
        margin-bottom: 1.25rem;
    }
    .search-form {
        display: flex;
        gap: .75rem;
        align-items: stretch;
        flex-wrap: wrap;
    }
    .search-input-wrap {
        position: relative;
        flex: 1 1 280px;
    }
    .search-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: #6c757d;
    }
    .search-input {
        padding-left: 2.75rem;
        border-radius: 14px;
        border: 1px solid #dbe4ee;
        height: 48px;
    }
    .search-type {
        flex: 0 0 140px;
        border-radius: 14px;
        border: 1px solid #dbe4ee;
        height: 48px;
        background: #fff;
    }
    .search-input:focus {
        border-color: #0d6efd;
        box-shadow: 0 0 0 .2rem rgba(13, 110, 253, .15);
    }
    .search-btn {
        border-radius: 14px;
        font-weight: 700;
        padding: 0 1.75rem;
        height: 48px;
    }
    .search-reset {
        border-radius: 14px;
        height: 48px;
        display: inline-flex;
        align-items: center;
    }
    .search-results {
        margin-top: 1.25rem;
        border-top: 1px solid #eef2f6;
        padding-top: 1rem;
    }
    .search-results__header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        margin-bottom: .75rem;
        flex-wrap: wrap;
    }
    .search-results__empty {
        padding: 1.25rem;
        background: #f8f9fa;
        border-radius: 14px;
        color: #6c757d;
        text-align: center;
    }
    .search-results__list {
        display: grid;
        gap: .65rem;
    }
    .search-result-item {
        display: grid;
        grid-template-columns: 1fr auto auto;
        gap: 1rem;
        align-items: center;
        width: 100%;
        text-align: left;
        border: 1px solid #e9ecef;
        border-radius: 16px;
        padding: .85rem 1rem;
        background: #fff;
        transition: all .15s ease;
    }
    .search-result-item[onclick] {
        cursor: pointer;
    }
    .search-result-item[onclick]:hover {
        border-color: #0d6efd;
        box-shadow: 0 6px 18px rgba(13, 110, 253, .1);
    }
    .search-result-item__name {
        font-weight: 700;
        color: #1f2d3d;
    }
    .search-result-item__meta {
        font-size: .82rem;
        color: #6c757d;
        margin-top: .2rem;
        display: flex;
        gap: .85rem;
        flex-wrap: wrap;
    }
    .search-result-item__group {
        font-weight: 700;
        color: #0d6efd;
        font-size: .9rem;
    }
    .search-result-item__place {
        font-size: .82rem;
        color: #6c757d;
        margin-top: .15rem;
    }
    .search-result-item__action {
        color: #0d6efd;
        font-size: 1.1rem;
        padding-left: .5rem;
    }
    @media (max-width: 767.98px) {
        .search-result-item {
            grid-template-columns: 1fr auto;
        }
        .search-result-item__location {
            grid-column: 1 / -1;
        }
    }
    #map-kkn {
        height: min(88vh, 920px);
        min-height: 600px;
        width: 100%;
    }
    .kkn-marker {
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: #fff;
        font-weight: 700;
        font-size: .72rem;
        border: 2px solid #fff;
        box-shadow: 0 4px 12px rgba(0,0,0,0.18);
    }
    .kkn-marker.active {
        background: linear-gradient(135deg, #0d6efd, #0a58ca);
    }
    .kkn-marker.inactive {
        background: #adb5bd;
    }
    .leaflet-popup-content-wrapper {
        border-radius: 20px;
        box-shadow: 0 20px 50px rgba(0,0,0,0.18);
        border: 1px solid #e1e8f0;
    }
    .leaflet-popup-content {
        margin: 18px 20px;
        min-width: 300px;
        max-width: 360px;
        font-family: 'Segoe UI', sans-serif;
        font-size: .95rem;
    }
    .kkn-popup h6 {
        font-weight: 800;
        color: #1f2d3d;
        margin-bottom: .85rem;
        font-size: 1.1rem;
    }
    .kkn-popup .meta {
        font-size: .92rem;
        color: #6c757d;
        margin-bottom: .45rem;
    }
    .kkn-popup .meta strong {
        color: #343a40;
    }
    .kkn-popup .total {
        display: inline-flex;
        align-items: center;
        gap: .5rem;
        background: #e7f1ff;
        color: #0d6efd;
        font-weight: 700;
        padding: .45rem .9rem;
        border-radius: 999px;
        margin-top: .75rem;
        font-size: .9rem;
    }
    .marker-cluster {
        background: rgba(13, 110, 253, 0.85) !important;
        color: #fff !important;
        border: 2px solid #fff;
        border-radius: 50%;
        box-shadow: 0 6px 18px rgba(13, 110, 253, 0.35);
    }
    .marker-cluster div {
        background: transparent !important;
        color: #fff !important;
        font-weight: 700;
    }
    @media (max-width: 991.98px) {
        .dashboard-title { font-size: 1.75rem; }
        .dashboard-stats { flex-direction: column; }
        #map-kkn { height: min(80vh, 720px); min-height: 480px; }
    }
</style>
@endpush

@push('scripts')
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
<script src="https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js" crossorigin=""></script>
<script>
    document.addEventListener('DOMContentLoaded', function () {
        const nttBounds = L.latLngBounds([[-8.0, 119.2], [-11.8, 125.2]]);

        const map = L.map('map-kkn', {
            center: [-9.6, 121.5],
            zoom: 9,
            zoomControl: false,
            maxBounds: nttBounds,
            maxBoundsViscosity: 1.0,
            minZoom: 8,
        });

        L.control.zoom({ position: 'topright' }).addTo(map);

        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
            attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
            maxZoom: 19,
        }).addTo(map);

        const markers = @json($markers);
        const markerByDesaId = {};
        const clusters = L.markerClusterGroup({
            chunkedLoading: true,
            spiderfyOnMaxZoom: true,
            showCoverageOnHover: false,
            maxClusterRadius: 60,
            iconCreateFunction: function (cluster) {
                return L.divIcon({
                    html: '<div class="kkn-marker-cluster-inner">' + cluster.getChildCount() + '</div>',
                    className: 'marker-cluster',
                    iconSize: L.point(44, 44),
                });
            },
        });

        const maxAnggota = Math.max(1, ...markers.map(m => m.anggota));

        markers.forEach(function (m) {
            const hasData = m.anggota > 0;
            const size = hasData ? 28 + Math.min((m.anggota / maxAnggota) * 16, 18) : 22;
            const className = hasData ? 'kkn-marker active' : 'kkn-marker inactive';

            const icon = L.divIcon({
                className: className,
                html: hasData && m.anggota > 99 ? '99+' : (hasData ? m.anggota : ''),
                iconSize: [size, size],
                iconAnchor: [size / 2, size / 2],
                popupAnchor: [0, -size / 2],
            });

            const marker = L.marker([m.lat, m.lng], { icon: icon });
            markerByDesaId[m.id] = marker;

            const popupHtml = `
                <div class="kkn-popup">
                    <h6>${escapeHtml(m.desa)}</h6>
                    <div class="meta"><strong>Kecamatan:</strong> ${escapeHtml(m.kecamatan)}</div>
                    <div class="meta"><strong>Kabupaten:</strong> ${escapeHtml(m.kabupaten)}</div>
                    <div class="total">
                        <i class="fas fa-users"></i>
                        ${m.anggota} Anggota KKN
                    </div>
                </div>
            `;

            marker.bindPopup(popupHtml);
            clusters.addLayer(marker);
        });

        map.addLayer(clusters);

        window.focusDesa = function (desaId, shouldFly) {
            shouldFly = typeof shouldFly === 'undefined' ? true : shouldFly;

            const marker = markerByDesaId[desaId];
            if (!marker) {
                return;
            }

            // spiderfy first if marker is inside a cluster
            const visibleMarker = clusters.getVisibleParent(marker);
            if (visibleMarker && visibleMarker !== marker && typeof visibleMarker.spiderfy === 'function') {
                visibleMarker.spiderfy();
            }

            marker.openPopup();

            if (shouldFly) {
                const latLng = marker.getLatLng();
                map.flyTo(latLng, 15, { duration: 1 });
            }
        };

        function escapeHtml(text) {
            const div = document.createElement('div');
            div.textContent = text;
            return div.innerHTML;
        }
    });
</script>
@endpush