@extends('layouts.admin-simple')

@section('title', 'Pending Approval - Indirect Goods Material Requests')

@section('breadcrumb')
    <li class="breadcrumb-item">Warehouse</li>
    <li class="breadcrumb-item">Indirect Goods</li>
    <li class="breadcrumb-item"><a href="{{ route('warehouse.indirect-goods.requests.index') }}">Material Requests</a></li>
    <li class="breadcrumb-item active">Pending Approval</li>
@endsection

@section('page-title')
    <div class="d-flex justify-content-between align-items-center w-100">
        <div class="page-title-left">
            <h3 class="mb-1">
                <i class="material-icons align-middle mr-2">pending_actions</i>
                Approval Queue
            </h3>
            <p class="text-muted mb-0" style="font-size: 13px;">Review and approve pending indirect goods material requests</p>
        </div>
        <div class="page-actions-right d-flex align-items-center">
            <a href="{{ route('warehouse.indirect-goods.requests.index') }}" class="btn btn-sm btn-secondary mr-2">
                <i class="material-icons mr-1" style="font-size: 16px;">arrow_back</i>
                Back to All Requests
            </a>
            <a href="{{ route('warehouse.indirect-goods.requests.create') }}" class="btn btn-sm btn-primary">
                <i class="material-icons mr-1" style="font-size: 16px;">add</i>
                New Request
            </a>
        </div>
    </div>
@endsection

@section('content')
    <!-- Statistics -->
    <div class="row mb-4">
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card border-left-warning shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-warning text-uppercase mb-1">Pending Approval</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $pendingCount }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="material-icons text-gray-300" style="font-size: 2rem;">pending_actions</i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card border-left-info shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-info text-uppercase mb-1">Today's Requests</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $requests->filter(function($r) { return $r->created_at->isToday(); })->count() }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="material-icons text-gray-300" style="font-size: 2rem;">today</i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card border-left-primary shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-primary text-uppercase mb-1">This Week</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $requests->filter(function($r) { return $r->created_at->isCurrentWeek(); })->count() }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="material-icons text-gray-300" style="font-size: 2rem;">date_range</i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card border-left-danger shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-danger text-uppercase mb-1">Older than 2 Days</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $requests->filter(function($r) { return $r->created_at->lt(now()->subDays(2)); })->count() }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="material-icons text-gray-300" style="font-size: 2rem;">priority_high</i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Pending Requests Table -->
    <div class="card shadow">
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-primary">
                <i class="material-icons align-middle mr-1">view_list</i>
                Pending Approval Requests ({{ $pendingCount }})
            </h6>
        </div>
        <div class="card-body">
            @if($requests->count() > 0)
                <div class="table-responsive">
                    <table class="table table-bordered table-hover">
                        <thead class="thead-light">
                            <tr>
                                <th>Request No.</th>
                                <th>Date</th>
                                <th>Project</th>
                                <th>Division</th>
                                <th>Requested By</th>
                                <th>Items</th>
                                <th>Days Pending</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach($requests as $request)
                                @php
                                    $daysPending = $request->created_at->diffInDays(now());
                                @endphp
                                <tr class="{{ $daysPending > 2 ? 'table-warning' : '' }}">
                                    <td>
                                        <strong>
                                            <a href="{{ route('warehouse.indirect-goods.requests.show', $request->id) }}" class="text-primary">
                                                {{ $request->request_number }}
                                            </a>
                                        </strong>
                                    </td>
                                    <td>
                                        {{ $request->request_date ? $request->request_date->format('M d, Y') : '-' }}
                                        <br><small class="text-muted">{{ $request->request_date ? $request->request_date->format('l') : '' }}</small>
                                    </td>
                                    <td>
                                        @if($request->project)
                                            <strong>{{ $request->project->project_name }}</strong>
                                            @if($request->project->project_number)
                                                <br><small class="text-muted">{{ $request->project->project_number }}</small>
                                            @endif
                                        @else
                                            <span class="text-muted">N/A</span>
                                        @endif
                                    </td>
                                    <td>
                                        @if($request->division)
                                            {{ $request->division->division_name }}
                                        @else
                                            <span class="text-muted">N/A</span>
                                        @endif
                                    </td>
                                    <td>
                                        @if($request->requester)
                                            <strong>{{ $request->requester->name }}</strong>
                                        @else
                                            <span class="text-muted">N/A</span>
                                        @endif
                                    </td>
                                    <td class="text-center">
                                        <span class="badge badge-info">{{ $request->items->count() }} items</span>
                                    </td>
                                    <td class="text-center">
                                        <span class="badge {{ $daysPending > 2 ? 'badge-danger' : ($daysPending > 1 ? 'badge-warning' : 'badge-info') }}">
                                            {{ $daysPending }} {{ Str::plural('day', $daysPending) }}
                                        </span>
                                    </td>
                                    <td>
                                        <div class="btn-group" role="group">
                                            <a href="{{ route('warehouse.indirect-goods.requests.show', $request->id) }}"
                                               class="btn btn-sm btn-outline-primary" title="View Details">
                                                <i class="material-icons" style="font-size: 16px;">visibility</i>
                                            </a>
                                            <button type="button"
                                                    class="btn btn-sm btn-outline-success approve-btn"
                                                    title="Approve"
                                                    data-id="{{ $request->id }}"
                                                    data-reference="{{ $request->request_number }}">
                                                <i class="material-icons" style="font-size: 16px;">check</i>
                                            </button>
                                            <button type="button"
                                                    class="btn btn-sm btn-outline-danger reject-btn"
                                                    title="Reject"
                                                    data-id="{{ $request->id }}"
                                                    data-reference="{{ $request->request_number }}">
                                                <i class="material-icons" style="font-size: 16px;">close</i>
                                            </button>
                                        </div>
                                    </td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>

                <!-- Pagination -->
                <div class="d-flex justify-content-between align-items-center mt-4">
                    <div class="text-muted">
                        Showing {{ $requests->firstItem() }} to {{ $requests->lastItem() }} of {{ $requests->total() }} results
                    </div>
                    {{ $requests->links() }}
                </div>
            @else
                <div class="text-center py-5">
                    <i class="material-icons text-success mb-3" style="font-size: 48px;">check_circle</i>
                    <h5 class="text-muted">No Pending Approvals</h5>
                    <p class="text-muted">All indirect goods material requests have been processed.</p>
                    <a href="{{ route('warehouse.indirect-goods.requests.index') }}" class="btn btn-primary">
                        <i class="material-icons mr-1">list</i>
                        View All Requests
                    </a>
                </div>
            @endif
        </div>
    </div>

    <!-- Approve Modal -->
    <div class="modal fade" id="approveModal" tabindex="-1" role="dialog" aria-labelledby="approveModalLabel" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header bg-success text-white">
                    <h5 class="modal-title" id="approveModalLabel">
                        <i class="material-icons align-middle mr-1">check_circle</i>
                        Approve Request
                    </h5>
                    <button type="button" class="close text-white" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <div class="modal-body">
                    <p>Are you sure you want to approve request <strong id="approveReference"></strong>?</p>
                    <p class="text-muted small">This will change the status to "approved" and make it ready for material issuance.</p>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                    <form id="approveForm" method="POST" style="display: inline;">
                        @csrf
                        <button type="submit" class="btn btn-success">
                            <i class="material-icons mr-1" style="font-size: 16px;">check</i>
                            Approve
                        </button>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <!-- Reject Modal -->
    <div class="modal fade" id="rejectModal" tabindex="-1" role="dialog" aria-labelledby="rejectModalLabel" aria-hidden="true">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header bg-danger text-white">
                    <h5 class="modal-title" id="rejectModalLabel">
                        <i class="material-icons align-middle mr-1">cancel</i>
                        Reject Request
                    </h5>
                    <button type="button" class="close text-white" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <form id="rejectForm" method="POST">
                    @csrf
                    <div class="modal-body">
                        <p>Rejecting request <strong id="rejectReference"></strong>.</p>
                        <div class="form-group">
                            <label for="rejection_reason_input" class="font-weight-bold">Rejection Reason <span class="text-danger">*</span></label>
                            <textarea name="rejection_reason" id="rejection_reason_input" class="form-control" rows="4" required placeholder="Please provide a reason for rejection..."></textarea>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
                        <button type="submit" class="btn btn-danger">
                            <i class="material-icons mr-1" style="font-size: 16px;">close</i>
                            Reject
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
@endsection

@push('scripts')
<script>
$(document).ready(function() {
    // Approve button handler
    $('.approve-btn').on('click', function() {
        var id = $(this).data('id');
        var reference = $(this).data('reference');
        $('#approveReference').text(reference);
        $('#approveForm').attr('action', '/warehouse/indirect-goods/requests/' + id + '/approve');
        $('#approveModal').modal('show');
    });

    // Reject button handler
    $('.reject-btn').on('click', function() {
        var id = $(this).data('id');
        var reference = $(this).data('reference');
        $('#rejectReference').text(reference);
        $('#rejectForm').attr('action', '/warehouse/indirect-goods/requests/' + id + '/reject');
        $('#rejection_reason_input').val('');
        $('#rejectModal').modal('show');
    });
});
</script>
@endpush