@extends('master.app')
@section('title', 'Stock')

@section('body')
<main class="app-content">
    <section class="">

        <div class="card shadow-sm border-0" style="border-radius:18px; overflow:hidden;">

            {{-- TOP BAR --}}
            <div class="p-3 p-md-4 border-bottom"
                 style="background: linear-gradient(135deg, rgba(13,110,253,.12), rgba(102,16,242,.08));">
                <div class="d-flex flex-wrap align-items-center justify-content-between gap-2">
                    <div>
                        <h5 class="mb-1 fw-bold">
                            <i class="fa fa-plus-circle me-1"></i> Add Stock
                        </h5>
                        <small class="text-muted">
                            <i class="fa fa-info-circle me-1"></i>
                            Create a new stock entry and store **IN** transaction (history).
                        </small>
                    </div>

                    <div class="d-flex flex-wrap gap-2">
                        <a href="{{ route('stocks.index') }}" class="btn btn-sm btn-light border" style="border-radius:10px;">
                            <i class="fa fa-arrow-left me-1"></i> Back
                        </a>
                        <a href="{{ route('stock_history.index') ?? '#' }}" class="btn btn-sm btn-dark" style="border-radius:10px;">
                            <i class="fa fa-clock me-1"></i> History
                        </a>
                    </div>
                </div>
            </div>

            <div class="card-body p-3 p-md-4">

                {{-- Alerts --}}
                @include('general.valert')

                {{-- Validation Errors --}}
                @if ($errors->any())
                    <div class="alert alert-danger">
                        <div class="fw-bold mb-1"><i class="fa fa-exclamation-triangle me-1"></i> Please fix the errors:</div>
                        <ul class="mb-0">
                            @foreach ($errors->all() as $error)
                                <li>{{ $error }}</li>
                            @endforeach
                        </ul>
                    </div>
                @endif

                <form action="{{ route('stocks.store') }}" method="post" autocomplete="off">
                    @csrf
                    @method('post')

                    <div class="row g-3">

                        {{-- Product Info --}}
                        <div class="col-12">
                            <div class="card border-0 shadow-sm" style="border-radius:16px;">
                                <div class="card-body">
                                    <div class="d-flex justify-content-between align-items-center mb-2">
                                        <h6 class="mb-0 fw-bold">
                                            <i class="fa fa-boxes me-1"></i> Product & Warehouse
                                        </h6>
                                        <span class="badge bg-secondary">Required</span>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-4">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-layer-group me-1"></i> Category
                                            </label>
                                            <select id="category_id"
                                                    class="form-control select2 @error('category_id') is-invalid @enderror"
                                                    required name="category_id" style="width:100%">
                                                <option value="">Choose Category</option>
                                                @foreach ($categories as $row)
                                                    <option value="{{ $row->id }}" @selected(old('category_id') == $row->id)>
                                                        {{ $row->title_ps ?? $row->title_en ?? $row->name ?? 'Category' }}
                                                    </option>
                                                @endforeach
                                            </select>
                                            @error('category_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        <div class="col-md-4">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-sitemap me-1"></i> Sub Category
                                            </label>
                                            <select id="subcategory_id"
                                                    required
                                                    class="form-control select2 @error('subcategory_id') is-invalid @enderror"
                                                    name="subcategory_id" style="width:100%">
                                                <option value="">Choose Sub Category</option>
                                            </select>
                                            @error('subcategory_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        <div class="col-md-4">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-warehouse me-1"></i> Location (Warehouse)
                                            </label>
                                            <select id="location_id"
                                                    class="form-control select2 @error('location_id') is-invalid @enderror"
                                                    required name="location_id" style="width:100%">
                                                <option value="">Choose Location</option>
                                                @foreach ($locations as $row)
                                                    <option value="{{ $row->id }}" @selected(old('location_id') == $row->id)>
                                                        {{ $row->name_ps ?? $row->name_en ?? $row->title_ps ?? $row->title_en ?? $row->name ?? 'Location' }}
                                                    </option>
                                                @endforeach
                                            </select>
                                            @error('location_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-ruler-combined me-1"></i> Unit
                                            </label>
                                            <select id="unit_id"
                                                    class="form-control select2 @error('unit_id') is-invalid @enderror"
                                                    required name="unit_id" style="width:100%">
                                                <option value="">Choose Unit Type</option>
                                                @foreach ($units as $row)
                                                    <option value="{{ $row->id }}" @selected(old('unit_id') == $row->id)>
                                                        {{ $row->title_ps ?? $row->title_en ?? $row->name ?? 'Unit' }}
                                                    </option>
                                                @endforeach
                                            </select>
                                            @error('unit_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-weight-hanging me-1"></i> Weight
                                            </label>
                                            <select id="weight_id"
                                                    class="form-control select2 @error('weight_id') is-invalid @enderror"
                                                    required name="weight_id" style="width:100%">
                                                <option value="">Choose Weight</option>
                                                @foreach ($weights as $row)
                                                    <option value="{{ $row->id }}" @selected(old('weight_id') == $row->id)>
                                                        {{ $row->title_ps ?? $row->title_en ?? $row->name ?? 'Weight' }}
                                                    </option>
                                                @endforeach
                                            </select>
                                            @error('weight_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        {{-- SKU / Token Preview --}}
                                        <div class="col-12">
                                            <div class="alert alert-light border mb-0" style="border-radius:14px;">
                                                <div class="d-flex flex-wrap gap-3 align-items-center justify-content-between">
                                                    <div>
                                                        <div class="fw-bold">
                                                            <i class="fa fa-barcode me-1"></i> SKU Preview
                                                        </div>
                                                        <div class="text-muted small">
                                                            Auto preview (for barcode/label): <span id="sku_preview" class="fw-semibold">-</span>
                                                        </div>
                                                    </div>
                                                    <div>
                                                        <div class="fw-bold">
                                                            <i class="fa fa-ticket-alt me-1"></i> Token
                                                        </div>
                                                        <div class="text-muted small">
                                                            Will be generated after save (IN Token)
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>

                                    </div>
                                </div>
                            </div>
                        </div>

                        {{-- Pricing & Qty --}}
                        <div class="col-12">
                            <div class="card border-0 shadow-sm" style="border-radius:16px;">
                                <div class="card-body">
                                    <div class="d-flex justify-content-between align-items-center mb-2">
                                        <h6 class="mb-0 fw-bold">
                                            <i class="fa fa-coins me-1"></i> Quantity & Pricing
                                        </h6>
                                        <span class="badge bg-secondary">Required</span>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-3">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-sort-numeric-up me-1"></i> QTY
                                            </label>
                                            <input type="number" id="qty" name="qty" required
                                                   value="{{ old('qty') }}"
                                                   class="form-control @error('qty') is-invalid @enderror"
                                                   min="0" step="0.01">
                                            @error('qty')
                                                <div class="invalid-feedback">{{ $message }}</div>
                                            @enderror
                                        </div>

                                        <div class="col-md-3">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-tag me-1"></i> Cost Price (CPI)
                                            </label>
                                            <input type="number" id="cost_price" name="cost_price" required
                                                   value="{{ old('cost_price') }}"
                                                   class="form-control @error('cost_price') is-invalid @enderror"
                                                   min="0" step="0.01">
                                            @error('cost_price')
                                                <div class="invalid-feedback">{{ $message }}</div>
                                            @enderror
                                        </div>

                                        <div class="col-md-3">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-tags me-1"></i> Sale Price (SPI)
                                            </label>
                                            <input type="number" id="sale_price" name="sale_price" required
                                                   value="{{ old('sale_price') }}"
                                                   class="form-control @error('sale_price') is-invalid @enderror"
                                                   min="0" step="0.01">
                                            @error('sale_price')
                                                <div class="invalid-feedback">{{ $message }}</div>
                                            @enderror
                                        </div>

                                        <div class="col-md-3">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-money-bill-wave me-1"></i> Currency
                                            </label>
                                            <select id="currency_id"
                                                    class="form-control select2 @error('currency_id') is-invalid @enderror"
                                                    required name="currency_id" style="width:100%">
                                                <option value="">Choose Currency</option>
                                                @foreach ($currencies as $row)
                                                    <option value="{{ $row->id }}"
                                                        @if(old('currency_id', 1) == $row->id) selected @endif>
                                                        {{ $row->title_ps ?? $row->title_en ?? $row->name ?? 'Currency' }}
                                                    </option>
                                                @endforeach
                                            </select>
                                            @error('currency_id')
                                                <span class="invalid-feedback" role="alert"><strong>{{ $message }}</strong></span>
                                            @enderror
                                        </div>

                                        {{-- Exchange Rate --}}
                                        <div class="col-md-4" id="ex_rate_box" style="display:none;">
                                            <label class="form-label fw-semibold">
                                                <i class="fa fa-exchange-alt me-1"></i> Exchange Rate
                                            </label>
                                            <input type="text" name="ex_rate" id="ex_rate"
                                                   value="{{ old('ex_rate') }}"
                                                   class="form-control">
                                            <small class="text-muted">Auto fills when currency changes (if route exists).</small>
                                        </div>

                                    </div>

                                    <hr class="my-3">

                                    <div class="d-flex flex-wrap gap-2 justify-content-end">
                                        <button type="reset" class="btn btn-light border" style="border-radius:10px;">
                                            <i class="fa fa-undo me-1"></i> Reset
                                        </button>
                                        <button type="submit" class="btn btn-primary" style="border-radius:10px;">
                                            <i class="fa fa-save me-1"></i> Save Stock
                                        </button>
                                    </div>

                                </div>
                            </div>
                        </div>

                    </div>{{-- row --}}
                </form>
            </div>
        </div>

    </section>
</main>
@endsection


@section('pageJs')
<script type="text/javascript">
    $(".app-menu").removeClass("active");
    $("#nav_stocki").addClass("active");
    $("#stocki").addClass("is-expanded");
    $("#stock_history").addClass("active");

    // Load subcategories by category (existing)
    $(document).on('change', '#category_id', function() {
        $.ajax({
            url: '{{ route('category.get') }}',
            type: 'GET',
            data: { 'p_category': $(this).val() },
            success: function(data) {
                $("#subcategory_id").html(data).trigger('change');
                updateSkuPreview();
            },
            error: function() {
                swal("Warning", "Error occurred!", "error");
            },
        });
        updateSkuPreview();
    });

    // SKU Preview (simple, for barcode label idea)
    function updateSkuPreview(){
        const c  = $("#category_id").val()    || "C";
        const sc = $("#subcategory_id").val() || "SC";
        const u  = $("#unit_id").val()        || "U";
        const w  = $("#weight_id").val()      || "W";
        const l  = $("#location_id").val()    || "L";
        $("#sku_preview").text(`CAT${c}-SUB${sc}-U${u}-W${w}-L${l}`);
    }

    $(document).on('change', '#subcategory_id, #unit_id, #weight_id, #location_id', function(){
        updateSkuPreview();
    });

    // Currency -> Exchange rate (same style as your other modules)
    function toggleExRate(){
        const cur = $("#currency_id").val();
        if(cur && cur != 1){
            $("#ex_rate_box").show();
        }else{
            $("#ex_rate_box").hide();
            $("#ex_rate").val('');
        }
    }
    toggleExRate();

    $("#currency_id").change(function() {
        toggleExRate();

        // If you have route('get.ex_rate') in your system (like supplier payments/advances)
        $.ajax({
            url: '{{ route('get.ex_rate') }}',
            type: 'GET',
            data: { 'currency_id': $("#currency_id").val() },
            success: function(value) {
                $("#ex_rate").val(value);
            },
            error: function() {
                // silent or swal
                // swal("Warning", "Exchange rate error!", "error");
            },
        });
    });

    // Initial preview
    updateSkuPreview();
</script>
@endsection