@extends('layouts.app')

@section('content')
<div class="container-fluid px-4 py-4" style="background-color: #f8fafc; min-height: 100vh;">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h4 class="fw-bold text-dark mb-1">Onboard New Vendor</h4>
            <p class="text-muted small mb-0">Add advanced vendor credentials to establish structural procurement pathways</p>
        </div>
        <a href="{{ route('admin.vendors.index') }}" class="btn btn-outline-secondary btn-sm px-3 rounded-3">
            <i class="bi bi-arrow-left me-1"></i> Back to Hub
        </a>
    </div>

    <div class="card border-0 shadow-sm rounded-4 max-w-4xl mx-auto">
        <div class="card-body p-4">
            @if ($errors->any())
            <div class="alert alert-danger border-0 shadow-sm mb-4" style="border-radius: 8px;">
                <div class="fw-bold mb-2 text-danger"><i class="bi bi-exclamation-triangle-fill me-2"></i>Please resolve the below errors:</div>
                <ul class="mb-0 small ps-3">
                    @foreach ($errors->all() as $error)
                    <li>{{ $error }}</li>
                    @endforeach
                </ul>
            </div>
            @endif

            <form action="{{ route('admin.vendors.store') }}" method="POST" enctype="multipart/form-data">
                @csrf
                <div class="row g-3">
                    <!-- Core Profile Metadata -->
                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Vendor / Company Name <span class="text-danger">*</span></label>
                        <input type="text" name="name" class="form-control @error('name') is-invalid @enderror" value="{{ old('name') }}" required style="border-radius: 8px;">
                        @error('name') <div class="invalid-feedback">{{ $message }}</div> @enderror
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Mobile Number <span class="text-danger">*</span></label>
                        <input type="text" name="mobile_number" class="form-control @error('mobile_number') is-invalid @enderror" value="{{ old('mobile_number') }}" required style="border-radius: 8px;">
                        @error('mobile_number') <div class="invalid-feedback">{{ $message }}</div> @enderror
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Email ID</label>
                        <input type="email" name="email_id" class="form-control" value="{{ old('email_id') }}" style="border-radius: 8px;">
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">GST Number</label>
                        <input type="text" name="gst_number" class="form-control" value="{{ old('gst_number') }}" style="border-radius: 8px;" placeholder="22AAAAA0000A1Z5">
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Contact Person Name</label>
                        <input type="text" name="contact_person" class="form-control" value="{{ old('contact_person') }}" style="border-radius: 8px;" placeholder="e.g. Rajesh Kumar">
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Vendor Category</label>
                        <input type="text" name="vendor_category" class="form-control" value="{{ old('vendor_category') }}" style="border-radius: 8px;" placeholder="e.g. Silk Weaver, Cotton Artisan">
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Payment Terms</label>
                        <select name="payment_terms" class="form-select" style="border-radius: 8px;">
                            <option value="Advance" {{ old('payment_terms')=='Advance' ? 'selected' : '' }}>Full Advance</option>
                            <option value="Net 30" {{ old('payment_terms')=='Net 30' ? 'selected' : '' }}>Net 30 Days Credit</option>
                            <option value="Net 45" {{ old('payment_terms')=='Net 45' ? 'selected' : '' }}>Net 45 Days Credit</option>
                            <option value="Part Payment" {{ old('payment_terms')=='Part Payment' ? 'selected' : '' }}>Part Payment Cycle</option>
                        </select>
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-bold text-secondary">Preferred Status</label>
                        <select name="preferred_vendor" class="form-select" style="border-radius: 8px;">
                            <option value="No" {{ old('preferred_vendor')=='No' ? 'selected' : '' }}>Regular Vendor</option>
                            <option value="Yes" {{ old('preferred_vendor')=='Yes' ? 'selected' : '' }}>⭐ Preferred Core Vendor</option>
                        </select>
                    </div>

                    <!-- Address Matrix Block -->
                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-secondary">State</label>
                        <input type="text" name="state" class="form-control" value="{{ old('state') }}" style="border-radius: 8px;">
                    </div>
                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-secondary">City</label>
                        <input type="text" name="city" class="form-control" value="{{ old('city') }}" style="border-radius: 8px;">
                    </div>
                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-secondary">Pincode</label>
                        <input type="text" name="pincode" class="form-control" value="{{ old('pincode') }}" style="border-radius: 8px;">
                    </div>

                    <div class="col-md-12">
                        <label class="form-label small fw-bold text-secondary">Office Address</label>
                        <textarea name="address" rows="2" class="form-control" style="border-radius: 8px;">{{ old('address') }}</textarea>
                    </div>

                    <!-- Verification File Upload Node -->
                    <div class="col-md-12">
                        <label class="form-label small fw-bold text-secondary">Vendor Documents / Agreement (PDF, Image - Max 4MB)</label>
                        <input type="file" name="vendor_documents" class="form-control" style="border-radius: 8px;">
                    </div>

                    <!-- Initial Procurement Calculation Engine -->
                    <div class="col-md-12 mt-4">
                        <h6 class="fw-bold text-indigo-600 mb-0" style="color: #4f46e5;"><i class="bi bi-box-seam me-1"></i> Initial Material Procurement & Billing Ledger</h6>
                        <hr class="mt-2 mb-1">
                    </div>

                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-dark">Stock Quantity Received <span class="text-danger">*</span></label>
                        <input type="number" name="quantity" id="quantity" class="form-control" value="{{ old('quantity', 1) }}" required style="border-radius: 8px;" oninput="calculateVendorInvoice()">
                    </div>

                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-dark">Per Item Price (₹) <span class="text-danger">*</span></label>
                        <input type="number" step="0.01" name="per_item_price" id="per_item_price" class="form-control" value="{{ old('per_item_price', '0.00') }}" required style="border-radius: 8px;" oninput="calculateVendorInvoice()">
                    </div>

                    <div class="col-md-4">
                        <label class="form-label small fw-bold text-dark">Paid Amount (₹) <span class="text-danger">*</span></label>
                        <input type="number" step="0.01" name="paid_amount" id="paid_amount" class="form-control" value="{{ old('paid_amount', '0.00') }}" required style="border-radius: 8px;" oninput="calculateVendorInvoice()">
                    </div>

                    <div class="col-md-12 mt-3">
                        <div class="p-3 bg-light rounded-3 border d-flex justify-content-between align-items-center flex-wrap gap-2">
                            <div>
                                <small class="text-muted d-block font-monospace">LIVE CALCULATION OVERVIEW</small>
                                <span class="small text-secondary">Total Bill: <strong class="text-dark" id="preview_total">₹0.00</strong></span>
                            </div>
                            <div class="text-end">
                                <span class="small text-secondary">Calculated Dues: <strong class="text-danger" id="preview_dues">₹0.00</strong></span>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="text-end mt-4">
                    <button type="submit" class="btn btn-primary px-4 fw-bold" style="background-color: #4f46e5; border: none; border-radius: 8px;">
                        Save & Register Vendor
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    function calculateVendorInvoice() {
        let qty = parseFloat(document.getElementById('quantity').value) || 0;
        let price = parseFloat(document.getElementById('per_item_price').value) || 0;
        let paid = parseFloat(document.getElementById('paid_amount').value) || 0;

        let total = qty * price;
        let dues = total - paid;

        document.getElementById('preview_total').innerText = '₹' + total.toFixed(2);
        document.getElementById('preview_dues').innerText = '₹' + dues.toFixed(2);
    }
    window.addEventListener('DOMContentLoaded', calculateVendorInvoice);
</script>
@endsection