@extends('layouts.cp')
@section('title', 'CP Menu Management')

@section('content')

{{-- Single Add --}}
<div class="bg-white rounded-xl border border-gray-200 p-6 mb-4">
    <h2 class="text-sm font-medium text-gray-900 mb-1">Add CP Menu</h2>
    <p class="text-xs text-gray-500 mb-4">Manage and rearrange the control panel sidebar dynamically.</p>
    <form method="POST" action="{{ route('cp.menus.store') }}">
        @csrf
        <div class="grid grid-cols-2 lg:grid-cols-4 gap-3">
            <div>
                <label class="block text-xs text-gray-500 mb-1">Name</label>
                <input type="text" name="name" required placeholder="e.g. Dashboard"
                       class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
            </div>
            <div>
                <label class="block text-xs text-gray-500 mb-1">Slug / Route name</label>
                <input type="text" name="slug" placeholder="e.g. dashboard"
                       class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
            </div>
            <div>
                <label class="block text-xs text-gray-500 mb-1">Parent</label>
                <select name="parent_id"
                        class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200">
                    <option value="">— No parent —</option>
                    @foreach($parentMenus as $parent)
                        <option value="{{ $parent->id }}">
                            {{ $parent->parent_id ? '└ ' : '' }}{{ $parent->name }}
                        </option>
                    @endforeach
                </select>
            </div>
            <div>
                <label class="block text-xs text-gray-500 mb-1">Order</label>
                <input type="number" name="order" placeholder="0"
                       class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
            </div>
        </div>
        <button type="submit"
            class="mt-4 px-4 py-2 text-sm bg-gray-900 text-white rounded-lg hover:bg-gray-700">
            Add Menu
        </button>
    </form>
</div>

{{-- Bulk Add --}}
<div class="bg-white rounded-xl border border-gray-200 p-6 mb-6">
    <h2 class="text-sm font-medium text-gray-900 mb-1">Bulk Add</h2>
    <p class="text-xs text-gray-500 mb-4">Add multiple CP menus at once.</p>
    <form method="POST" action="{{ route('cp.menus.bulk') }}">
        @csrf
        <div class="mb-2 grid grid-cols-4 gap-2">
            <span class="text-xs text-gray-400">Name</span>
            <span class="text-xs text-gray-400">Slug / Route</span>
            <span class="text-xs text-gray-400">Parent</span>
            <span class="text-xs text-gray-400">Order</span>
        </div>
        <div id="cp-bulk-rows" class="space-y-2">
            <div class="grid grid-cols-4 gap-2">
                <input type="text" name="menus[0][name]" placeholder="Menu name"
                       class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
                <input type="text" name="menus[0][slug]" placeholder="route.name"
                       class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
                <select name="menus[0][parent_id]"
                        class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200">
                    <option value="">— No parent —</option>
                    @foreach($parentMenus as $parent)
                        <option value="{{ $parent->id }}">
                            {{ $parent->parent_id ? '└ ' : '' }}{{ $parent->name }}
                        </option>
                    @endforeach
                </select>
                <input type="number" name="menus[0][order]" placeholder="0"
                       class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
            </div>
        </div>
        <div class="flex items-center gap-3 mt-3">
            <button type="button" id="add-cp-row"
                class="px-3 py-2 text-sm border border-gray-200 rounded-lg hover:bg-gray-50 text-gray-600">
                + Add Row
            </button>
            <button type="submit"
                class="px-4 py-2 text-sm bg-gray-900 text-white rounded-lg hover:bg-gray-700">
                Save All
            </button>
        </div>
    </form>
</div>

{{-- Menu List with drag & drop --}}
<div class="bg-white rounded-xl border border-gray-200 p-6">
    <div class="flex items-center justify-between mb-4">
        <div>
            <h2 class="text-sm font-medium text-gray-900">Menu Order</h2>
            <p class="text-xs text-gray-500 mt-0.5">Drag rows to reorder. Changes save automatically.</p>
        </div>
        <span id="save-status" class="text-xs text-gray-400"></span>
    </div>

    @if($menus->isEmpty())
        <p class="text-sm text-gray-400">No CP menus yet.</p>
    @else
        <table class="w-full text-sm">
            <thead>
                <tr class="border-b border-gray-100">
                    <th class="w-6 pb-2"></th>
                    <th class="text-left text-xs text-gray-400 font-medium pb-2">Name</th>
                    <th class="text-left text-xs text-gray-400 font-medium pb-2">Slug</th>
                    <th class="text-left text-xs text-gray-400 font-medium pb-2">Visibility</th>
                    <th class="pb-2"></th>
                </tr>
            </thead>
            <tbody id="sortable-menus" class="divide-y divide-gray-50">
                @foreach($menus as $menu)
                <tr class="draggable-row {{ $menu->level === 1 ? 'bg-gray-50' : '' }}"
                    data-id="{{ $menu->id }}"
                    data-parent="{{ $menu->parent_id ?? '' }}"
                    data-order="{{ $menu->order }}">
                    <td class="py-3 pr-2 cursor-grab text-gray-300">
                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M4 8h16M4 16h16"/>
                        </svg>
                    </td>
                    <td class="py-3
                        {{ $menu->level === 1 ? 'font-medium text-gray-900' : '' }}
                        {{ $menu->level === 2 ? 'pl-5 text-gray-600' : '' }}
                        {{ $menu->level === 3 ? 'pl-10 text-gray-500 text-xs' : '' }}">
                        @if($menu->level > 1)
                            <span class="text-gray-300 mr-1">└</span>
                        @endif
                        {{ $menu->name }}
                    </td>
                    <td class="py-3 text-gray-400 font-mono text-xs">{{ $menu->slug ?? '—' }}</td>
                    <td class="py-3">
                        <span class="text-xs px-2 py-1 rounded-full {{ $menu->is_active ? 'bg-green-100 text-green-700' : 'bg-red-100 text-red-600' }}">
                            {{ $menu->is_active ? 'Show' : 'Hide' }}
                        </span>
                    </td>
                    <td class="py-3">
                        <div class="flex items-center gap-3">
                            <button type="button"
                                onclick="openMenuModal('{{ $menu->id }}', '{{ addslashes($menu->name) }}', '{{ $menu->slug }}')"
                                class="text-xs text-blue-600 hover:underline">Edit</button>
                            <form method="POST" action="{{ route('cp.menus.toggle', $menu) }}">
                                @csrf @method('PATCH')
                                <button type="submit" class="text-xs text-blue-600 hover:underline">
                                    {{ $menu->is_active ? 'Hide' : 'Show' }}
                                </button>
                            </form>
                            <form method="POST" action="{{ route('cp.menus.destroy', $menu) }}">
                                @csrf @method('DELETE')
                                <button type="submit" class="text-xs text-red-500 hover:underline"
                                    onclick="return confirm('Delete?')">Delete</button>
                            </form>
                        </div>
                    </td>
                </tr>
                @endforeach
            </tbody>
        </table>
    @endif
</div>

{{-- Edit Menu Modal --}}
<div id="menu-modal" class="fixed inset-0 z-50 hidden">
    <div class="absolute inset-0 bg-black/30" onclick="closeMenuModal()"></div>
    <div class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 bg-white rounded-2xl shadow-xl w-full max-w-md p-6">
        <div class="flex items-center justify-between mb-5">
            <h3 class="text-sm font-semibold text-gray-900">Edit Menu</h3>
            <button onclick="closeMenuModal()" class="text-gray-400 hover:text-gray-600">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M6 18L18 6M6 6l12 12"/>
                </svg>
            </button>
        </div>

        <form id="menu-edit-form" method="POST">
            @csrf @method('PATCH')
            <div class="space-y-3 mb-5">
                <div>
                    <label class="block text-xs text-gray-500 mb-1">Menu Name</label>
                    <input type="text" name="name" id="edit-menu-name" required
                           class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
                </div>
                <div>
                    <label class="block text-xs text-gray-500 mb-1">Slug / Route Name</label>
                    <input type="text" name="slug" id="edit-menu-slug"
                           class="w-full border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
                </div>
            </div>
            <div class="flex gap-3">
                <button type="submit"
                    class="flex-1 py-2 text-sm bg-gray-900 text-white rounded-lg hover:bg-gray-700">
                    Save Changes
                </button>
                <button type="button" onclick="closeMenuModal()"
                    class="px-4 py-2 text-sm border border-gray-200 rounded-lg hover:bg-gray-50 text-gray-600">
                    Cancel
                </button>
            </div>
        </form>
    </div>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/Sortable/1.15.0/Sortable.min.js"></script>
<script>
let cpRowIndex = 1;
const cpParentOptions = `<option value="">— No parent —</option>@foreach($parentMenus as $parent)<option value="{{ $parent->id }}">{{ $parent->parent_id ? '└ ' : '' }}{{ $parent->name }}</option>@endforeach`;

document.getElementById('add-cp-row')?.addEventListener('click', function() {
    const container = document.getElementById('cp-bulk-rows');
    const row = document.createElement('div');
    row.className = 'grid grid-cols-4 gap-2';
    row.innerHTML = `
        <input type="text" name="menus[${cpRowIndex}][name]" placeholder="Menu name"
               class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
        <input type="text" name="menus[${cpRowIndex}][slug]" placeholder="route.name"
               class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
        <select name="menus[${cpRowIndex}][parent_id]"
                class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200">
            ${cpParentOptions}
        </select>
        <input type="number" name="menus[${cpRowIndex}][order]" placeholder="0"
               class="border border-gray-200 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-gray-200"/>
    `;
    container.appendChild(row);
    cpRowIndex++;
});

// Drag & drop
const sortable = document.getElementById('sortable-menus');
if (sortable) {
    Sortable.create(sortable, {
        animation: 150,
        handle: 'td:first-child',
        ghostClass: 'bg-blue-50',
        onEnd: function() {
            saveOrder();
        }
    });
}

function saveOrder() {
    const rows = document.querySelectorAll('.draggable-row');
    const items = [];

    rows.forEach((row, index) => {
        items.push({
            id:        parseInt(row.dataset.id),
            order:     index + 1,
            parent_id: row.dataset.parent ? parseInt(row.dataset.parent) : null,
        });
    });

    document.getElementById('save-status').textContent = 'Saving...';

    fetch('{{ route('cp.menus.reorder') }}', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'X-CSRF-TOKEN': '{{ csrf_token() }}'
        },
        body: JSON.stringify({ items })
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) {
            // Reload only sidebar
            fetch('{{ route('sidebar') }}')
                .then(r => r.text())
                .then(html => {
                    document.querySelector('nav.flex-1').innerHTML = html;
                    document.getElementById('save-status').textContent = 'Saved ✓';
                    setTimeout(() => {
                        document.getElementById('save-status').textContent = '';
                    }, 2000);
                });
        }
    });
}

function openMenuModal(id, name, slug) {
    document.getElementById('edit-menu-name').value = name;
    document.getElementById('edit-menu-slug').value = slug === 'null' ? '' : slug;
    document.getElementById('menu-edit-form').action = `/cp/menus/${id}`;
    document.getElementById('menu-modal').classList.remove('hidden');
}

function closeMenuModal() {
    document.getElementById('menu-modal').classList.add('hidden');
}
</script>

@endsection