@extends('layouts.app', ['class' => 'g-sidenav-show bg-gray-100'])

@section('content')
    @include('layouts.navbars.auth.topnav', ['title' => ''])
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-12">
                <div class="card shadow-lg mx-1 mb-4">
                    <div class="card-body p-3">
                        <div class="row gx-4">
                            <div class="col-lg">
                                <div class="nav-wrapper">
                                    <button class="btn btn-secondary mb-0" onclick="history.back()"><i class="fas fa-circle-left me-1"></i><span class="font-weight-bold">Kembali</span></button>
                                    <button class="btn btn-primary mb-0" id="galeriForm-save"
                                        onclick="event.preventDefault(); document.getElementById('galeriForm').submit();"><i class="fas fa-floppy-disk me-1"></i><span class="font-weight-bold">Simpan</span></button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="row mx-1">
                    <div class="card">
                        <hr class="horizontal dark mt-0">
                        <div class="px-4 py-2">
                            <h5>Galeri — Kelola Foto</h5>
                            <p class="text-muted mb-1">Minimal 5 foto, maksimal 15 foto. Foto akan ditampilkan sebagai slide di halaman customer.</p>
                            <div class="alert alert-info py-2 px-3 mb-3 small text-dark border-0 shadow-sm" style="background-color: #e0f2fe;">
                                <i class="fas fa-info-circle text-info me-1"></i> <strong>Panduan Upload Galeri:</strong>
                                Upload maksimal <b>4 MB</b> per foto. Rasio ukuran yang direkomendasikan: <code>4:3</code> atau <code>16:9 Landscape</code> (Format: JPG, PNG, WebP).
                            </div>
                            <form id="galeriForm" action="{{ url('/homepage-master/galeri/update') }}" method="POST" enctype="multipart/form-data">
                                @csrf

                                <div class="card border mt-3">
                                    <div class="card-header bg-light d-flex justify-content-between align-items-center">
                                        <b>Daftar Foto</b>
                                        <button type="button" class="btn btn-sm btn-success" id="addGaleriBtn">
                                            <i class="fas fa-plus"></i> Tambah
                                        </button>
                                    </div>
                                    <div class="card-body" id="galeriContainer">
                                        @foreach ($items as $i => $item)
                                            <div class="row align-items-center mb-2 galeri-row border-bottom pb-2">
                                                <input type="hidden" name="foto_id[]" value="{{ $item->idgaleri }}">
                                                <div class="col-md-3 text-center">
                                                    <img src="{{ asset('storage/' . $item->gambar) }}" class="img-fluid rounded mb-1 galeri-preview-img" style="max-height:80px;">
                                                    <div class="text-muted small text-break">{{ basename($item->gambar) }}</div>
                                                    @if (\Illuminate\Support\Facades\Storage::disk('public')->exists($item->gambar))
                                                        <div class="text-muted small">
                                                            {{ number_format(\Illuminate\Support\Facades\Storage::disk('public')->size($item->gambar) / 1024, 1) }} KB
                                                        </div>
                                                    @endif
                                                </div>
                                                <div class="col-md-2">
                                                    <label>Urutan</label>
                                                    <input type="number" name="foto_urutan[]" class="form-control" value="{{ $item->urutan }}">
                                                </div>
                                                <div class="col-md-5">
                                                    <label class="d-block mb-1">Ganti Foto <small class="text-muted">(kosongkan jika tidak diganti)</small></label>
                                                    <div class="d-flex align-items-center gap-2" style="min-width: 0;">
                                                        <label class="btn btn-outline-secondary mb-0 flex-shrink-0">
                                                            <i class="fas fa-upload me-1"></i> Pilih File
                                                            <input type="file" name="foto_gambar[]" class="d-none foto-gambar-input" accept="image/*">
                                                        </label>
                                                        <span class="text-muted small foto-gambar-filename text-truncate" style="min-width: 0;">Belum ada file dipilih</span>
                                                    </div>
                                                </div>
                                                <div class="col-md-2">
                                                    <button type="button" class="btn btn-danger btn-sm remove-row w-100" style="height:40.4px;">
                                                        <i class="fas fa-trash"></i> Hapus
                                                    </button>
                                                </div>
                                            </div>
                                        @endforeach
                                    </div>
                                </div>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

@push('js')
<script>
    const MIN_GALERI = 5;
    const MAX_GALERI = 15;

    function updateGaleriButtons() {
        const rows = document.querySelectorAll('#galeriContainer .galeri-row');
        const count = rows.length;
        const addBtn = document.getElementById('addGaleriBtn');

        if (count >= MAX_GALERI) {
            addBtn.disabled = true;
            addBtn.innerHTML = `<i class="fas fa-ban"></i> Tambah`;
        } else {
            addBtn.disabled = false;
            addBtn.innerHTML = `<i class="fas fa-plus"></i> Tambah`;
        }

        rows.forEach(function (row) {
            const removeBtn = row.querySelector('.remove-row');
            removeBtn.disabled = count <= MIN_GALERI;
        });
    }

    document.getElementById('addGaleriBtn')?.addEventListener('click', function () {
        const container = document.getElementById('galeriContainer');
        const count = container.querySelectorAll('.galeri-row').length;
        if (count >= MAX_GALERI) return;

        const nextUrutan = count + 1;
        const row = document.createElement('div');
        row.className = 'row align-items-center mb-2 galeri-row border-bottom pb-2';
        row.innerHTML = `
            <input type="hidden" name="foto_id[]" value="">
            <div class="col-md-3 text-center">
                <img class="img-fluid rounded mb-1 galeri-preview-img d-none" style="max-height:80px;">
                <span class="text-muted small no-preview-note">Belum ada foto</span>
            </div>
            <div class="col-md-2">
                <label>Urutan</label>
                <input type="number" name="foto_urutan[]" class="form-control" value="${nextUrutan}">
            </div>
            <div class="col-md-5">
                <label class="d-block mb-1">Upload Foto</label>
                <div class="d-flex align-items-center gap-2" style="min-width: 0;">
                    <label class="btn btn-outline-secondary mb-0 flex-shrink-0">
                        <i class="fas fa-upload me-1"></i> Pilih File
                        <input type="file" name="foto_gambar[]" class="d-none foto-gambar-input" accept="image/*" required>
                    </label>
                    <span class="text-muted small foto-gambar-filename text-truncate" style="min-width: 0;">Belum ada file dipilih</span>
                </div>
            </div>
            <div class="col-md-2">
                <button type="button" class="btn btn-danger btn-sm remove-row w-100" style="height:40.4px;">
                    <i class="fas fa-trash"></i> Hapus
                </button>
            </div>`;
        container.appendChild(row);
        row.querySelectorAll('[data-bs-toggle="tooltip"]').forEach(function (el) {
            new bootstrap.Tooltip(el);
        });
        updateGaleriButtons();
    });

    document.addEventListener('click', function (e) {
        if (e.target.closest('.remove-row')) {
            const rows = document.querySelectorAll('#galeriContainer .galeri-row');
            if (rows.length <= MIN_GALERI) return;
            e.target.closest('.galeri-row').remove();
            updateGaleriButtons();
        }
    });

    document.addEventListener('change', function (e) {
        if (e.target.matches('.foto-gambar-input')) {
            const row = e.target.closest('.galeri-row');
            const span = row.querySelector('.foto-gambar-filename');
            const img = row.querySelector('.galeri-preview-img');
            const noPreviewNote = row.querySelector('.no-preview-note');

            if (e.target.files && e.target.files.length > 0) {
                const file = e.target.files[0];

                span.textContent = file.name;
                span.classList.remove('text-muted');
                span.classList.add('text-success', 'fw-semibold');

                const reader = new FileReader();
                reader.onload = function (event) {
                    if (img) {
                        img.src = event.target.result;
                        img.classList.remove('d-none');
                    }
                    if (noPreviewNote) noPreviewNote.classList.add('d-none');
                };
                reader.readAsDataURL(file);
            } else {
                span.textContent = 'Belum ada file dipilih';
                span.classList.add('text-muted');
                span.classList.remove('text-success', 'fw-semibold');
            }
        }
    });
    document.querySelectorAll('[data-bs-toggle="tooltip"]').forEach(function (el) {
        new bootstrap.Tooltip(el);
    });

    updateGaleriButtons();
</script>
@endpush