@extends('admin.layouts.master')
@section('page-title')
    Purchse Order
@endsection

<style>
    /* Sirf vendor_id select2 par */
    select[name="Search_report"]+.select2-container,
    select[name="Search_report"]+.select2-container .select2-selection,
    select[name="Search_report"]+.select2-container .select2-dropdown {
        width: 305px !important;
    }

    /* -------------------------------------------------
   NORMAL INPUT + SELECT + TABLE (already done)
--------------------------------------------------*/
    .form-control,
    .form-select {
        border: none !important;
        border-bottom: 1px solid #ccc !important;
        border-radius: 0 !important;
        background: transparent !important;
        
        height: 28px !important;
        padding: 2px 6px !important;
        font-size: 12px !important;
        line-height: 1 !important;
    }

    /* -------------------------------------------------
   SELECT2 MAIN FIELD
--------------------------------------------------*/
    .select2-container--bootstrap-5 .select2-selection {
        border: none !important;
        border-bottom: 1px solid #ccc !important;
        border-radius: 0 !important;
        min-height: 28px !important;
        height: 28px !important;
        display: flex !important;
        align-items: center !important;
        padding: 0 6px !important;
        font-size: 12px !important;
        background: transparent !important;
    }

    /* When SELECT2 field gets focus → Bootstrap blue outline */
    .select2-container--bootstrap-5.select2-container--focus .select2-selection {
        border-bottom: 1px solid #0d6efd !important;
        box-shadow: 0 2px 0 0 #0d6efd !important;
    }

    /* -------------------------------------------------
   SELECT2 SEARCH BOX — NARROW + BOOTSTRAP FOCUS
--------------------------------------------------*/
    .select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field {
        height: 26px !important;
        padding: 2px 6px !important;
        font-size: 12px !important;
        border: 1px solid #ccc !important;
        border-radius: 2px !important;
        box-shadow: none !important;
    }

    /* Search box focus highlight */
    .select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field:focus {
        border-color: #0d6efd !important;
        box-shadow: 0 0 0 .15rem rgba(13, 110, 253, .25) !important;
        outline: none !important;
    }

    /* -------------------------------------------------
   SELECT2 DROPDOWN ITEMS — TABLE SIZE MATCH
--------------------------------------------------*/
    .select2-container--bootstrap-5 .select2-results__option {
        font-size: 12px !important;
        padding: 4px 6px !important;
        min-height: 26px !important;
        display: flex !important;
        align-items: center !important;
    }

    /* Hover = Bootstrap active blue */
    .select2-container--bootstrap-5 .select2-results__option--highlighted {
        background-color: #0d6efd !important;
        color: #fff !important;
    }

    /* Selected item */
    .select2-container--bootstrap-5 .select2-results__option--selected {
        background-color: #e9ecef !important;
        color: #000 !important;
    }

    /* -------------------------------------------------
   REMOVE ALL GAPS BETWEEN SELECT2 & TABLE FIELDS
--------------------------------------------------*/
    .select2-container {
        margin: 0 !important;
    }

    /* -------------------------------------------------
   SELECT2 ARROW & TEXT FIX
--------------------------------------------------*/
    .select2-container--bootstrap-5 .select2-selection__rendered {
        line-height: 26px !important;
        padding-left: 2px !important;
    }

    .select2-container--bootstrap-5 .select2-selection__arrow {
        height: 26px !important;
        top: 1px !important;
    }

    /* ---------------------------------------------
   TABLE BUTTONS NARROW
-----------------------------------------------*/
    .table .btn {
        padding: 2px 6px !important;
        /* small padding */
        font-size: 11px !important;
        /* smaller text */
        height: 26px !important;
        /* reduce height */
        line-height: 1 !important;
        /* vertical alignment */
    }
</style>

@section('main-content')
    <div class="dashboard-main-body">
        <form id="poForm">
            @csrf
            <div class="card">
                <div class="card-header">
                    <div class="d-flex flex-wrap align-items-center gap-2">
                        <div class="justify-content-right">
                            <h6 class="">Purchase Bill</h6>
                        </div>
                        <div class="justify-content-end d-print-none">
                            <button type="button" id="verifyBtn"
                                class="btn btn-sm btn-primary-600 radius-8 d-inline-flex align-items-center gap-1">
                                <iconify-icon icon="simple-line-icons:check" class="text-xl"></iconify-icon>
                                Verify BIll
                            </button>
                            {{-- <a href=""
                                class="btn btn-sm btn-primary-600 radius-8 d-inline-flex align-items-center gap-1">
                                <iconify-icon icon="icon-printer" class="text-xl"></iconify-icon>
                                Purchase Transfer
                            </a> --}}
                        </div>
                    </div>
                </div>
                <div class="card-body">
                    <!-- Supplier & Invoice Details -->
                    <div class="row mb-3">
                        <h6 class="text-md">Supplirt Details</h6>
                        <div class="col-sm-6">
                            <table class="text-sm text-secondary-light">
                                <tbody>
                                    <tr>
                                        <td>Name:</td>
                                        <td class="">
                                            <select name="vendor_id" class="form-select select2-me" required readonly>
                                                <option value="">Select Vendor</option>
                                                @foreach ($suppliers as $vendor)
                                                    <option value="{{ $vendor->id }}"
                                                        @if (isset($rfq) && $rfq->supplier_id == $vendor->id) selected @endif>
                                                        {{ $vendor->name }}
                                                    </option>
                                                @endforeach
                                            </select>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>Issue Date:</td>
                                        <td class="">
                                            <input type="date" name="date_issued" class="form-control mb-2"
                                                value="{{ $rfq->purchase_date ?? date('Y-m-d') }}" required readonly>
                                            {{-- <input type="text" name="address" class="form-control mt-2" placeholder="Address"
                                        value="{{ $rfq->address ?? '' }}"> --}}
                                        </td>
                                    </tr>
                                </tbody>
                            </table>
                        </div>
                        <div class="col-sm-6">

                            <table class="text-sm text-secondary-light">
                                <tbody>
                                    <tr>
                                        <td>Due Date:</td>
                                        <td class="">
                                            <input type="date" name="date_due" class="form-control mb-2"
                                                value="{{ $rfq->due_date ?? date('Y-m-d') }}" required readonly>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>Invoice #:</td>
                                        <td class="">
                                            <input type="text" name="invoice_no" class="form-control"
                                                value="{{ $nextInvoice ?? ($rfq->id ?? '') }}" readonly>
                                            {{-- <input type="number" name="contact" class="form-control mt-2" placeholder="Phone"
                                         value="{{ $rfq->contact ?? '' }}"> --}}
                                        </td>
                                    </tr>
                                </tbody>
                            </table>
                        </div>

                    </div>

                    <!-- Items Table -->
                        <table class="table narrow-table text-sm" id="invoice-table">
                            <thead>
                                <tr>
                                    <th>SL</th>
                                    <th>Product</th>
                                    <th>KG</th>
                                    <th>Qty</th>
                                    <th>Total KG</th>
                                    <th>Cost/KG</th>
                                    <th>Total Cost</th>
                                </tr>
                            </thead>
                            <tbody id="itemRows">
                                @if (isset($rfq) && $rfq->items)
                                    @foreach ($rfq->items as $i => $item)
                                        <tr class="item-row" data-id="{{ $item->id }}">
                                            <td>{{ $i + 1 }}</td>
                                            <td>
                                                <select name="product_id" class="form-select select2-me" disabled>
                                                    <option value="">Select Product</option>
                                                    @foreach ($products as $product)
                                                        <option value="{{ $product->id }}"
                                                            @if ($product->id == $item->product_id) selected @endif>
                                                            {{ $product->productname }}
                                                        </option>
                                                    @endforeach
                                                </select>
                                            </td>
                                            <td><input type="number" class="form-control kg" value="{{ $item->kg }}"
                                                    readonly></td>
                                            <td><input type="number" class="form-control qty" value="{{ $item->quantity }}"
                                                    readonly>
                                            </td>
                                            <td><input type="number" class="form-control total_qty"
                                                    value="{{ $item->total_kg }}" readonly></td>
                                            <td><input type="number" class="form-control cost" value="{{ $item->unit_cost }}">
                                            </td>
                                            <td><input type="number" class="form-control total_cost"
                                                    value="{{ $item->subtotal }}" readonly></td>
                                        </tr>
                                    @endforeach
                                @else
                                    <tr class="items-row">
                                        <td>1</td>
                                        <td>
                                            <select class="form-select select2-me" readonly>
                                                <option value="">Select Product</option>
                                                @foreach ($products as $product)
                                                    <option value="{{ $product->id }}">{{ $product->productname }}</option>
                                                @endforeach
                                            </select>
                                        </td>
                                        <td><input type="number" class="form-control kg" readonly></td>
                                        <td><input type="number" class="form-control qty" readonly></td>
                                        <td><input type="number" class="form-control total_qty" readonly></td>
                                        <td><input type="number" class="form-control cost" readonly></td>
                                        <td><input type="number" class="form-control total_cost" readonly></td>

                                    </tr>
                                @endif
                            </tbody>
                        </table>                        

                    <div class="text-end">
                        <p>Total KG: <span id="totalKG">0</span></p>
                        <p>Total Cost: <span id="totalCost">0</span></p>
                    </div>
                </div>
            </div>
        </form>
    </div>
@endsection

@section('script')
    <script>
        $(document).ready(function() {
            updateTotals();

            function initSelect2(element) {
                $(element).select2({
                    theme: 'bootstrap-5',
                    width: '100%'
                });
            }

            // Initialize existing rows
            $('#itemRows select.select2-me').each(function() {
                initSelect2(this);
            });

            let rowIndex = $('#itemRows tr').length - 1;

            // ===============================
            //   UPDATE TOTALS ONLY
            // ===============================
            function updateTotals() {
                let totalKG = 0,
                    totalCost = 0;

                $('#itemRows tr').each(function() {
                    let kg = parseFloat($(this).find('.kg').val()) || 0;
                    let qty = parseFloat($(this).find('.qty').val()) || 0;
                    let cost = parseFloat($(this).find('.cost').val()) || 0;

                    let total_qty = kg * qty;
                    let total_cost = total_qty * cost;

                    $(this).find('.total_qty').val(total_qty.toFixed(3));
                    $(this).find('.total_cost').val(total_cost.toFixed(2));

                    totalKG += total_qty;
                    totalCost += total_cost;
                });

                $('#totalKG').text(totalKG.toFixed(3));
                $('#totalCost').text(totalCost.toFixed(2));
            }

            // ===============================
            //   SAVE SINGLE ROW (AJAX)
            // ===============================
            function saveRowWithCallback(row, callback) {

                let formData = {
                    vendor_id: $('select[name="vendor_id"]').val(),
                    date_issued: $('input[name="date_issued"]').val(),
                    date_due: $('input[name="date_due"]').val(),
                    invoice_no: $('input[name="invoice_no"]').val(),

                    item: {
                        id: row.data('id') || null,
                        product_id: row.find('select').val(),
                        kg: row.find('.kg').val(),
                        qty: row.find('.qty').val(),
                        total_qty: row.find('.total_qty').val(),
                        cost_per_kg: row.find('.cost').val(),
                        total_cost: row.find('.total_cost').val()
                    }
                };

                token();
                var str_url = "{{ route('purchase_po.store.row') }}";
                var str_method = "POST";
                var str_data_type = "json";

                CustomAjax(str_url, str_method, formData, str_data_type, function(data) {
                    if (data.success) {
                        row.data('id', data.item_id);
                        toastr.success("Row saved");
                        callback(true); // SUCCESS
                    } else {
                        toastr.error(data.error);
                        callback(false); // FAILED → NO ROW ADDED
                    }
                });
            }


            // ===============================
            //   ADD NEW ROW
            // ===============================
            function addRow() {
                rowIndex++;

                let newRow = `
            <tr class="item-row">
                <td>${rowIndex+1}</td>
                <td>
                    <select class="form-select select2-me">
                        <option value="">Select Product</option>
                        @foreach ($products as $product)
                            <option value="{{ $product->id }}">{{ $product->productname }}</option>
                        @endforeach
                    </select>
                </td>
                <td><input type="number" class="    form-control kg"></td>
                <td><input type="number" class="form-control qty"></td>
                <td><input type="number" class="form-control total_qty" readonly></td>
                <td><input type="number" class="form-control cost"></td>
                <td><input type="number" class="form-control total_cost" readonly></td>
                <td><button type="button" class="btn btn-danger btn-sm remove-row">X</button></td>
            </tr>`;

                $('#itemRows').append(newRow);

                initSelect2($('#itemRows tr:last select'));
                $('#itemRows tr:last select').select2('open');
            }

            // ===============================
            //  INPUTS ONLY UPDATE TOTALS
            //  (NO AJAX CALL HERE)
            // ===============================
            $(document).on('input change', '.kg, .qty, .cost', function() {
                updateTotals();
            });

            // ===============================
            //   TAB PRESS ONLY ON LAST ROW COST → SAVE + ADD ROW
            // ===============================
            $(document).on('keydown', '#itemRows tr:last .cost', function(e) {
                if (e.which === 9) { // TAB key
                    let row = $(this).closest('tr');

                    // VALIDATION
                    let product = row.find('select').val();
                    let kg = row.find('.kg').val();
                    let qty = row.find('.qty').val();
                    let cost = row.find('.cost').val();

                    if (product === "" || kg === "" || qty === "" || cost === "") {
                        e.preventDefault();
                        toastr.error("Please fill all fields before proceed");
                        return;
                    }

                    e.preventDefault(); // stop normal TAB
                    updateTotals();

                    saveRowWithCallback(row, function(success) {
                        if (success) {
                            // addRow(); // ← ONLY SUCCESS + LAST ROW
                        }
                    });
                }
            });

            $(document).on('keydown', '.cost', function(e) {
                if (e.which === 9) { // TAB
                    let row = $(this).closest('tr');

                    // Agar last row hai → skip kar do
                    if (row.is('#itemRows tr:last')) return;

                    // Validation
                    let product = row.find('select').val();
                    let kg = row.find('.kg').val();
                    let qty = row.find('.qty').val();
                    let cost = row.find('.cost').val();

                    if (product === "" || kg === "" || qty === "" || cost === "") {
                        e.preventDefault();
                        toastr.error("Please fill all fields before proceeding");
                        return;
                    }

                    e.preventDefault(); // normal TAB stop
                    updateTotals();

                    saveRowWithCallback(row, function(success) {
                        if (success) {
                            // next row open select2
                            // setTimeout(function() {
                            //     let nextRow = row.next('tr');
                            //     if (nextRow.length) {
                            //         nextRow.find('.select2-me').select2('open');
                            //     }
                            // }, 50);
                        }
                    });
                }
            });



            // ===============================
            //   REMOVE ROW
            // ===============================
            $(document).on('click', '.remove-row', function() {
                $(this).closest('tr').remove();
                updateTotals();
            });

            // ===============================
            //  DUPLICATE PRODUCT CHECK
            // ===============================
            // $(document).on('change', '.select2-me', function() {
            //     let selected = $(this).val();
            //     let duplicate = false;
            //     $('#itemRows tr').not($(this).closest('tr')).each(function() {
            //         if ($(this).find('select').val() == selected && selected != "") {
            //             duplicate = true;
            //             return false;
            //         }
            //     });
            //     if (duplicate) {
            //         toastr.error("Product already exists in list");
            //         $(this).val('').trigger('change');
            //     }
            // });


            $(document).on('click', '#verifyBtn', function() {
                let rfq_id = "{{ $nextInvoice ?? ($rfq->id ?? '') }}";
                if (!rfq_id) {
                    toastr.error("RFQ not saved yet!");
                    return;
                }

                //alert(rfq_id);
                token(); // CSRF Token

                var formData = $("form#poForm").serializeArray();

                token();
                var str_url = "{{ route('purchase_po.verifyBill', ['id' => ':id']) }}".replace(':id', rfq_id);
                var str_method = "POST";
                var str_data_type = "json";

                CustomAjax(str_url, str_method, formData, str_data_type, function(data) {
                    if (data.success) {
                        toastr.success(data.message);
                        setTimeout(function() {
                            window.location.replace("{{ route('purchase_rfq.index') }}");
                        }, 1500);
                    } else {
                        toastr.error("Error updating status");
                    }

                });
            });


        });
    </script>
@endsection