@extends('layouts.app')
@section('title', 'Hierarchy Node - ' . $node->name)

@section('content')
    <div class="fixed-action-bar d-flex align-items-center justify-content-between">
        <div class="fw-semibold fixed-nav-title">Node Details: {{ $node->name }}</div>
        <div class="d-flex align-items-center ms-auto">
            <!-- Additional Actions (Left) -->
            <i class="fa-solid fa-user-plus fixed-nav-btn fixed-nav-btn-active p-1 d-inline-flex align-items-center justify-content-center mx-1 assign-agent-btn"
                data-toggle="tooltip" title="Assign Agent" style="cursor: pointer;"></i>

            <div class="ms-auto d-flex align-items-center">
                <!-- Mandatory Action Set (Right) -->
                <!-- Add -->
                <i class="fa-regular fa-plus fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center mx-1" data-toggle="tooltip" title="Add" style="cursor: default;"></i>

                <!-- Save -->
                <i class="fa-regular fa-save fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center mx-1" data-toggle="tooltip" title="Save" style="cursor: default;"></i>

                <!-- Edit -->
                <a href="{{ route('posm.hierarchy.edit', $node->id) }}" class="mx-1">
                    <i class="fa-regular fa-edit fixed-nav-btn fixed-nav-btn-active p-1 d-inline-flex align-items-center justify-content-center"
                        data-toggle="tooltip" title="Edit Node"></i>
                </a>

                <!-- Delete -->
                <i class="fa-regular fa-trash-can fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center mx-1" data-toggle="tooltip" title="Delete" style="cursor: default;"></i>

                <!-- Close -->
                <a href="{{ route('posm.hierarchy.index') }}" class="mx-1">
                    <i class="fa-solid fa-xmark fixed-nav-btn fixed-nav-btn-active p-1 d-inline-flex align-items-center justify-content-center"
                        data-toggle="tooltip" title="Close"></i>
                </a>

                <!-- Column Visibility -->
                <i class="fa-solid fa-columns fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center mx-1" data-toggle="tooltip" title="Columns" style="cursor: default;"></i>
            </div>
        </div>
    </div>

    <div class="row mt-4 mb-5">
        <!-- Sidebar: Node Intelligence -->
        <div class="col-md-4">
            <div class="card rounded-border border-0 shadow-sm overflow-hidden mb-4">
                <div class="p-4 bg-soft-primary border-bottom border-primary border-opacity-10 text-center">
                    <div class="avatar-lg bg-white rounded-circle d-inline-flex align-items-center justify-content-center shadow-sm mb-3" style="width: 64px; height: 64px;">
                        <i class="fa-solid fa-sitemap text-primary fs-3"></i>
                    </div>
                    <h5 class="fw-bold text-dark mb-1">{{ $node->name }}</h5>
                    <p class="text-muted small mb-0">Infrastructure Identifier: #{{ $node->id }}</p>
                </div>
                
                <div class="card-body p-4">
                    @if($node->description)
                        <div class="node-meta mb-4">
                            <label class="text-muted fs-11 text-uppercase fw-bold d-block mb-1">Operational Description</label>
                            <p class="text-dark small mb-0" style="line-height: 1.6;">{{ $node->description }}</p>
                        </div>
                    @endif

                    <div class="row g-3 mb-4">
                        <div class="col-6">
                            <label class="text-muted fs-11 text-uppercase fw-bold d-block mb-1">Authority Path</label>
                            @if($node->parent)
                                <a href="{{ route('posm.hierarchy.show', $node->parent->id) }}" class="text-primary fw-bold fs-13 text-decoration-none">
                                    <i class="fa-solid fa-up-long me-1 fs-10"></i>{{ $node->parent->name }}
                                </a>
                            @else
                                <span class="badge bg-soft-dark text-dark px-2 py-1 fs-9 fw-bold">ROOT AUTHORITY</span>
                            @endif
                        </div>
                        <div class="col-6">
                            <label class="text-muted fs-11 text-uppercase fw-bold d-block mb-1">Children Nodes</label>
                            <span class="fw-bold text-dark fs-13">{{ $node->children_count }} Terminal Sub-nodes</span>
                        </div>
                    </div>

                    <div class="node-meta border-top pt-4">
                        <label class="text-muted fs-11 text-uppercase fw-bold d-block mb-3">Downstream Topology</label>
                        @forelse($node->children as $child)
                            <a href="{{ route('posm.hierarchy.show', $child->id) }}" class="d-flex align-items-center justify-content-between p-2 rounded-3 text-decoration-none mb-2 hover-bg-light transition-all border">
                                <div class="d-flex align-items-center">
                                    <i class="fa-solid fa-folder-tree text-primary opacity-50 me-2 fs-12"></i>
                                    <span class="fw-semibold text-dark fs-12">{{ $child->name }}</span>
                                </div>
                                <span class="badge bg-light text-muted fs-10">{{ $child->children->count() }} Sub</span>
                            </a>
                        @empty
                            <div class="text-center py-3 bg-light rounded-3">
                                <span class="text-muted fs-11 italic">No downstream nodes identified.</span>
                            </div>
                        @endforelse
                    </div>
                </div>
            </div>
        </div>

        <!-- Main Content: Agent Assignments & Distribution -->
        <div class="col-md-8">
            <!-- User Assignments -->
            <div class="card rounded-border border-0 shadow-sm overflow-hidden mb-4">
                <div class="card-header bg-white border-bottom-0 p-4 d-flex justify-content-between align-items-center">
                    <div class="d-flex align-items-center">
                        <div class="avatar-xs bg-soft-success rounded-circle d-flex align-items-center justify-content-center me-3" style="width: 40px; height: 40px;">
                            <i class="fa-solid fa-user-shield text-success fs-14"></i>
                        </div>
                        <h5 class="fw-bold mb-0">Authorized Field Agents</h5>
                    </div>
                    <button class="btn btn-warning btn-sm rounded-pill px-4 fw-bold text-white shadow-sm assign-agent-btn" data-toggle="modal" data-target="#assignUserModal">
                        <i class="fa-solid fa-user-plus me-2"></i> Assign Agent
                    </button>
                </div>
                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="bg-light">
                            <tr>
                                <th class="ps-4 py-3 small text-uppercase fw-bold text-muted">Agent Identity</th>
                                <th class="py-3 small text-uppercase fw-bold text-muted">Digital Mailbox</th>
                                <th class="py-3 small text-uppercase fw-bold text-muted">Assignment DT</th>
                                <th class="py-3 small text-uppercase fw-bold text-muted text-center">Protocol Status</th>
                                <th class="pe-4 py-3 small text-uppercase fw-bold text-muted text-end">Control</th>
                            </tr>
                        </thead>
                        <tbody class="border-top-0">
                            @forelse($node->userAssignments as $assignment)
                                <tr>
                                    <td class="ps-4">
                                        <div class="d-flex align-items-center">
                                            <div class="avatar-xxs bg-soft-primary rounded-circle d-flex align-items-center justify-content-center me-2" style="width: 28px; height: 28px;">
                                                <span class="fw-bold fs-10 text-primary">{{ strtoupper(substr($assignment->user->name ?? 'U', 0, 1)) }}</span>
                                            </div>
                                            <span class="fw-bold text-dark fs-13">{{ $assignment->user->name ?? 'Unknown' }}</span>
                                        </div>
                                    </td>
                                    <td><span class="text-muted fs-12">{{ $assignment->user->email ?? '-' }}</span></td>
                                    <td><span class="text-muted fs-11">{{ $assignment->created_at->format('d M, Y') }}</span></td>
                                    <td class="text-center">
                                        @if($assignment->revoked_at)
                                            <span class="badge rounded-pill bg-soft-danger text-danger px-3 py-1 fs-9 fw-bold uppercase">Revoked</span>
                                        @else
                                            <span class="badge rounded-pill bg-soft-success text-success px-3 py-1 fs-9 fw-bold uppercase">Authorized</span>
                                        @endif
                                    </td>
                                    <td class="text-end pe-4">
                                        @if(!$assignment->revoked_at)
                                            <form action="{{ route('posm.hierarchy.revoke-user', [$node->id, $assignment->id]) }}" method="POST" class="d-inline">
                                                @csrf @method('DELETE')
                                                <button type="submit" class="btn btn-sm btn-icon-soft" onclick="return confirm('Immediately revoke agent authority from this node?')" data-toggle="tooltip" title="Revoke Authority">
                                                    <i class="fa-solid fa-user-slash text-danger fs-11"></i>
                                                </button>
                                            </form>
                                        @endif
                                    </td>
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="5" class="text-center py-5">
                                        <p class="text-muted small mb-0 italic">No agents currently assigned to this operational node.</p>
                                    </td>
                                </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>

            <!-- Distribution Points -->
            @if($node->distributionPoints && $node->distributionPoints->count() > 0)
                <div class="card rounded-border border-0 shadow-sm overflow-hidden">
                    <div class="card-header bg-white border-bottom-0 p-4">
                        <div class="d-flex align-items-center">
                            <div class="avatar-xs bg-soft-info rounded-circle d-flex align-items-center justify-content-center me-3" style="width: 40px; height: 40px;">
                                <i class="fa-solid fa-map-location-dot text-info fs-14"></i>
                            </div>
                            <h5 class="fw-bold mb-0">Distribution Terminal Alignment</h5>
                        </div>
                    </div>
                    <div class="card-body p-4 pt-0">
                        <div class="row g-3">
                            @foreach($node->distributionPoints as $dp)
                                <div class="col-md-6">
                                    <div class="p-3 bg-light border border-dashed rounded-border h-100">
                                        <div class="d-flex justify-content-between align-items-start mb-2">
                                            <h6 class="fw-bold text-dark mb-0 fs-13">{{ $dp->name }}</h6>
                                            <span class="badge bg-white text-info border border-info-subtle px-2 py-1 fs-9 fw-bold">{{ $dp->code }}</span>
                                        </div>
                                        @if($dp->address)
                                            <p class="text-muted fs-11 mb-0" style="line-height: 1.5;"><i class="fa-solid fa-location-dot me-1"></i> {{ $dp->address }}</p>
                                        @endif
                                    </div>
                                </div>
                            @endforeach
                        </div>
                    </div>
                </div>
            @endif
        </div>
    </div>

    <!-- Modal Fragment -->
    <div class="modal" id="assignUserModal" tabindex="-1">
        <div class="modal-dialog modal-dialog-centered">
            <div class="modal-content rounded-border border-0 shadow-lg">
                <div class="modal-header border-bottom-0 p-4">
                    <h5 class="modal-title fw-bold">Agent Authority Assignment</h5>
                    <button type="button" class="close" data-dismiss="modal">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <form action="{{ route('posm.hierarchy.assign-user', $node->id) }}" method="POST">
                    @csrf
                    <div class="modal-body p-4 pt-0">
                        <p class="text-muted small mb-4">Grant an agent access to manage inventory and audits within the <span class="text-dark fw-bold">{{ $node->name }}</span> node.</p>
                        <div class="mb-3">
                            <label class="form-label text-muted fs-11 text-uppercase fw-bold">Select Intelligence Agent</label>
                            <select name="user_id" id="agentSelect" class="form-control select2" required>
                                <option value="">Choose personnel...</option>
                                @foreach($allUsers as $user)
                                    <option value="{{ $user->id }}">{{ $user->name }} ({{ $user->email }})</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="modal-footer border-top-0 p-4 d-flex justify-content-end gap-2">
                        <button type="button" class="btn btn-light px-4 rounded-pill fw-bold border" data-dismiss="modal">Abort</button>
                        <button type="submit" class="btn btn-warning px-5 rounded-pill fw-bold shadow-sm text-white">Authorize</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
@endsection

@push('js')
    <script>
        $(document).ready(function () {
            // Manual trigger for Assign Agent modal if data-attributes fail
            $('.assign-agent-btn').on('click', function(e) {
                e.preventDefault();
                $('#assignUserModal').modal('show');
            });

            // Initialize Select2 for the modal
            $('#agentSelect').select2({
                dropdownParent: $('#assignUserModal'),
                placeholder: 'Choose personnel...',
                width: '100%'
            });
        });
    </script>
@endpush