@extends('layouts.app')

@section('title', 'Documents')

@push('style')
    <link rel="stylesheet" href="https://cdn.datatables.net/1.13.8/css/dataTables.bootstrap5.min.css">
    <style>
        #invoices-table_wrapper .dataTables_length,
        #invoices-table_wrapper .dataTables_filter { display: none; }
        #invoices-table_wrapper .page-item.active .page-link {background-color: var(--bs-primary);color: #fff;border-color: var(--bs-primary);}
        #invoices-table td, #invoices-table th { vertical-align: middle; white-space: nowrap; }
    </style>
@endpush

@section('content')
    @php
        $routePrefix = strtolower(auth()->user()->role->name);
        $canCreate   = auth()->user()->hasPermissionName('invoices.create');
    @endphp

    <div class="d-flex justify-content-between align-items-center flex-wrap gap-2 mb-4">
        <div>
            <h3 class="mb-0">Invoices & Proformas</h3>
            <span class="text-secondary fs-13">Manage and track all your documents.</span>
        </div>
        <div class="d-flex gap-2">
            <button type="button" id="export-btn" class="btn btn-outline-primary py-1 px-2 px-sm-4 fs-14 fw-medium rounded-3 hover-bg">
                <span class="py-sm-1 d-block">
                    <i class="ri-file-excel-2-line d-none d-sm-inline-block"></i>
                    <span>Export Excel</span>
                </span>
            </button>

            @if($canCreate)
                <div class="dropdown">
                    <button class="btn btn-primary py-1 px-2 px-sm-4 fs-14 fw-medium rounded-3 dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
                        <i class="ri-add-line d-none d-sm-inline-block"></i> New Document
                    </button>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="{{ route($routePrefix . '.invoices.create', ['type' => 'Invoice']) }}">New Invoice</a></li>
                        <li><a class="dropdown-item" href="{{ route($routePrefix . '.invoices.create', ['type' => 'Proforma']) }}">New Proforma</a></li>
                    </ul>
                </div>
            @endif
        </div>
    </div>

    @if(session('success'))
        <div class="alert alert-success alert-dismissible fade show">
            {{ session('success') }}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    @endif

    <div class="card bg-white border-0 rounded-3 mb-4">
        <div class="card-body p-4">
            <div class="row g-3 align-items-center">
                <div class="col-md-4">
                    <label class="form-label">Search</label>
                    <input type="text" id="global-search" class="form-control" placeholder="Search number, customer...">
                </div>
                <div class="col-md-3">
                    <label class="form-label">Type</label>
                    <select id="type-filter" class="form-control form-select">
                        <option value="">All Types</option>
                        @foreach(\App\Models\Invoice::TYPES as $t)
                            <option value="{{ $t }}">{{ $t }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="col-md-3">
                    <label class="form-label">Status</label>
                    <select id="status-filter" class="form-control form-select">
                        <option value="">All Statuses</option>
                        @foreach(array_unique(array_merge(\App\Models\Invoice::STATUSES, ['Accepted', 'Rejected'])) as $s)
                            <option value="{{ $s }}">{{ $s }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="col-md-2 d-grid">
                    <label class="form-label" style="visibility:hidden">Reset</label>
                    <button id="reset-filters" class="btn btn-outline-secondary">Reset</button>
                </div>
            </div>
        </div>
    </div>

    <div class="card bg-white border-0 rounded-3">
        <div class="card-body p-0">
            <div class="p-4">
                <h5 class="mb-0">All Documents</h5>
            </div>
            <div class="default-table-area style-two default-table-width">
                <div class="table-responsive">
                    <table id="invoices-table" class="table align-middle mb-0">
                        <thead>
                        <tr>
                            <th>#</th>
                            <th>Document No.</th>
                            <th>Type</th>
                            <th>Customer</th>
                            <th>Date</th>
                            <th>Amount</th>
                            <th>Status</th>
                            <th>Action</th>
                        </tr>
                        </thead>
                        <tbody></tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
@endsection

@push('script')
    <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.8/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.8/js/dataTables.bootstrap5.min.js"></script>
    <script>
        $(function () {
            const table = $('#invoices-table').DataTable({
                processing: true,
                serverSide: true,
                searching: false,
                order: [[4, 'desc']],
                ajax: {
                    url: @json(route($routePrefix . '.invoices.data')),
                    data: d => {
                        d.global_search = $('#global-search').val();
                        d.status        = $('#status-filter').val();
                        d.type          = $('#type-filter').val();
                    }
                },
                columns: [
                    {data: 'DT_RowIndex', orderable: false, searchable: false},
                    {data: 'invoice_number', name: 'invoice_number'},
                    {data: 'type', name: 'type'},
                    {data: 'customer_name', name: 'customer_name', orderable: false},
                    {data: 'invoice_date', name: 'invoice_date'},
                    {data: 'total_amount', name: 'total_amount'},
                    {data: 'status_badge', name: 'status', orderable: false},
                    {data: 'action', orderable: false, searchable: false},
                ],
                language: {
                    paginate: {
                        previous: '<i class="ri-arrow-left-s-line"></i>',
                        next: '<i class="ri-arrow-right-s-line"></i>'
                    },
                    info: 'Showing _START_ to _END_ of _TOTAL_ documents',
                    emptyTable: 'No documents found.'
                }
            });

            let timer;
            $('#global-search').on('input', () => { clearTimeout(timer); timer = setTimeout(() => table.ajax.reload(), 300); });
            $('#status-filter').on('change', () => table.ajax.reload());
            $('#type-filter').on('change', () => table.ajax.reload());

            $('#reset-filters').on('click', () => {
                $('#global-search').val('');
                $('#status-filter').val('');
                $('#type-filter').val('');
                table.ajax.reload();
            });

            // ── Export Logic ──
            $('#export-btn').on('click', function() {
                let search = $('#global-search').val();
                let status = $('#status-filter').val();
                let type   = $('#type-filter').val();

                let url = new URL(@json(route($routePrefix . '.invoices.export')));
                if (search) url.searchParams.append('global_search', search);
                if (status) url.searchParams.append('status', status);
                if (type) url.searchParams.append('type', type);

                window.location.href = url.toString();
            });
        });
    </script>
@endpush