@extends('layouts.omd.omd')

@section('title', 'RFQ Request')

@section('content')

    <div class="container py-4" style="max-width:1200px">

        {{-- Header --}}
        <div class="d-flex justify-content-between align-items-center mb-4">
            <div>
                <a href="{{ route('omd.index.rfq') }}"
                   class="text-muted text-decoration-none"
                   style="font-size:.9rem">
                    ← All RFQs
                </a>

                <h4 class="mb-0 mt-1">
                    {{ $rfq->rfq_number }}
                </h4>
            </div>

            @php
                $badge = match ($rfq->status) {
                    'open' => 'primary',
                    'awarded' => 'success',
                    'closed' => 'secondary',
                    default => 'secondary',
                };
            @endphp

            <span class="badge bg-{{ $badge }} fs-6">
                {{ ucfirst($rfq->status) }}
            </span>
        </div>

        {{-- Alerts --}}
        @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="row g-4">

            {{-- LEFT COLUMN --}}
            <div class="col-lg-4">

                {{-- RFQ Details --}}
                <div class="card shadow-sm mb-4">
                    <div class="card-header fw-semibold">
                        RFQ Details
                    </div>

                    <div class="card-body p-0">

                        <table class="table table-sm mb-0">
                            <tbody>

                                <tr>
                                    <td class="text-muted" width="45%">
                                        RFQ Number
                                    </td>
                                    <td>
                                        {{ $rfq->rfq_number }}
                                    </td>
                                </tr>

                                <tr>
                                    <td class="text-muted">
                                        Category
                                    </td>
                                    <td>
                                        {{ ucfirst($rfq->category) }}
                                    </td>
                                </tr>

                                <tr>
                                    <td class="text-muted">
                                        Site Location
                                    </td>
                                    <td>
                                        {{ $rfq->site_location }}
                                    </td>
                                </tr>

                                <tr>
                                    <td class="text-muted">
                                        Delivery Date
                                    </td>
                                    <td>
                                        {{ optional($rfq->delivery_date)->format('d M Y') }}
                                    </td>
                                </tr>

                                <tr>
                                    <td class="text-muted">
                                        Created
                                    </td>
                                    <td>
                                        {{ $rfq->created_at->format('d M Y') }}
                                    </td>
                                </tr>

                                <tr>
                                    <td class="text-muted">
                                        Description
                                    </td>
                                    <td>
                                        {{ $rfq->description }}
                                    </td>
                                </tr>

                            </tbody>
                        </table>

                    </div>
                </div>

                {{-- Items --}}
                <div class="card shadow-sm mb-4">

                    <div class="card-header fw-semibold">
                        Items Required
                    </div>

                    <div class="card-body p-0">

                        <table class="table table-bordered table-sm mb-0">
                            <thead class="table-light">
                                <tr>
                                    <th>Product</th>
                                    <th class="text-center">Qty</th>
                                    <th>Unit</th>
                                </tr>
                            </thead>

                            <tbody>

                                @forelse($rfq->items as $item)

                                    <tr>

                                        <td>
                                            {{ $item->product_name }}

                                            @if($item->grade || $item->size)
                                                <div class="small text-muted mt-1">
                                                    {{ $item->grade }}
                                                    {{ $item->size ? ' · ' . $item->size : '' }}
                                                </div>
                                            @endif
                                        </td>

                                        <td class="text-center">
                                            {{ $item->quantity }}
                                        </td>

                                        <td>
                                            {{ $item->unit }}
                                        </td>

                                    </tr>

                                @empty

                                    <tr>
                                        <td colspan="3"
                                            class="text-center text-muted py-3">
                                            No items found
                                        </td>
                                    </tr>

                                @endforelse

                            </tbody>
                        </table>

                    </div>
                </div>

                {{-- Vendor Status --}}
                <div class="card shadow-sm">

                    <div class="card-header fw-semibold">
                        Vendors Notified
                    </div>

                    <div class="card-body p-0">

                        <table class="table table-sm mb-0">

                            <tbody>

                                @foreach($rfq->vendors as $rv)

                                    @php
                                        $vbadge = match ($rv->status) {
                                            'quoted' => 'success',
                                            'rejected' => 'danger',
                                            'draft' => 'warning',
                                            default => 'secondary',
                                        };
                                    @endphp

                                    <tr>

                                        <td>
                                            {{ $rv->vendor->name ?? 'Vendor' }}
                                        </td>

                                        <td>
                                            <span class="badge bg-{{ $vbadge }}">
                                                {{ ucfirst($rv->status) }}
                                            </span>
                                        </td>

                                        <td class="small text-muted">
                                            {{ $rv->quoted_at ? $rv->quoted_at->format('d M, h:i A') : '—' }}
                                        </td>

                                    </tr>

                                @endforeach

                            </tbody>

                        </table>

                    </div>
                </div>

            </div>

            {{-- RIGHT COLUMN --}}
            <div class="col-lg-8">

                @php
                    $quotedVendors = $rfq->vendors->where('status', 'quoted');

                    $vendorTotals = [];

                    foreach ($quotedVendors as $vendorRow) {

                        $total = 0;

                        foreach ($rfq->items as $item) {

                            $quoteItem = $vendorRow->quoteItems
                                ->firstWhere('rfq_item_id', $item->id);

                            $total += (($quoteItem->quote ?? 0) * $item->quantity);
                        }

                        $vendorTotals[$vendorRow->id] = $total;
                    }

                    $lowestTotal = !empty($vendorTotals)
                        ? min($vendorTotals)
                        : 0;
                @endphp

                {{-- Quote Comparison --}}
                <div class="card shadow-sm mb-4">

                    <div class="card-header fw-semibold d-flex justify-content-between align-items-center">
                        <span>Quote Comparison</span>

                        @if($quotedVendors->isEmpty())
                            <small class="text-muted">
                                Awaiting vendor quotes
                            </small>
                        @endif
                    </div>

                    @if($quotedVendors->isNotEmpty())

                        <div class="card-body p-0">

                            <div class="table-responsive">

                                <table class="table table-bordered align-middle mb-0">

                                    <thead class="table-light">

                                        <tr>

                                            <th style="min-width:220px;">
                                                Item
                                            </th>

                                            <th class="text-center">
                                                Qty
                                            </th>

                                            @foreach($quotedVendors as $rv)

                                                <th class="text-center"
                                                    style="min-width:170px;">

                                                    {{ $rv->vendor->name }}

                                                </th>

                                            @endforeach

                                        </tr>

                                    </thead>

                                    <tbody>

                                        @foreach($rfq->items as $item)

                                            @php
                                                $rowPrices = $quotedVendors->map(function ($rv) use ($item) {

                                                    return optional(
                                                        $rv->quoteItems
                                                            ->firstWhere('rfq_item_id', $item->id)
                                                    )->quote;

                                                })->filter();

                                                $minPrice = $rowPrices->min();
                                            @endphp

                                            <tr>

                                                <td>

                                                    <div class="fw-semibold">
                                                        {{ $item->product_name }}
                                                    </div>

                                                    @if($item->grade || $item->size)

                                                        <small class="text-muted">

                                                            {{ $item->grade }}
                                                            {{ $item->size ? ' · ' . $item->size : '' }}

                                                        </small>

                                                    @endif

                                                </td>

                                                <td class="text-center">
                                                    {{ $item->quantity }}
                                                    {{ $item->unit }}
                                                </td>

                                                @foreach($quotedVendors as $rv)

                                                    @php
                                                        $qi = $rv->quoteItems
                                                            ->firstWhere('rfq_item_id', $item->id);

                                                        $price = $qi?->quote;

                                                        $isMin = $price !== null
                                                            && $price == $minPrice;
                                                    @endphp

                                                    <td class="text-center {{ $isMin ? 'table-success fw-semibold' : '' }}">

                                                        @if($price !== null)

                                                            ₹ {{ number_format($price, 2) }}

                                                        @else

                                                            —

                                                        @endif

                                                        @if($qi?->comment)

                                                            <div class="small text-muted mt-1">
                                                                {{ $qi->comment }}
                                                            </div>

                                                        @endif

                                                    </td>

                                                @endforeach

                                            </tr>

                                        @endforeach

                                    </tbody>

                                    {{-- FINAL TOTAL --}}
                                    <tfoot class="table-light fw-semibold">

                                        <tr>

                                            <td colspan="2">
                                                Final Quote Amount
                                            </td>

                                            @foreach($quotedVendors as $rv)

                                                @php
                                                    $total = $vendorTotals[$rv->id] ?? 0;

                                                    $isLowest = $total > 0
                                                        && $total == $lowestTotal;
                                                @endphp

                                                <td class="text-center {{ $isLowest ? 'table-success' : '' }}">

                                                    ₹ {{ number_format($total, 2) }}

                                                    @if($isLowest)

                                                        <div class="small text-success">
                                                            Lowest Quote
                                                        </div>

                                                    @endif

                                                </td>

                                            @endforeach

                                        </tr>

                                    </tfoot>

                                </table>

                            </div>

                        </div>

                    @else

                        <div class="card-body text-center text-muted py-5">
                            No quotes received yet.
                        </div>

                    @endif

                </div>

                {{-- Generate PO --}}
                @if($rfq->status === 'open' && $quotedVendors->isNotEmpty())

                    <div class="card border-primary shadow-sm">

                        <div class="card-header fw-semibold text-primary">
                            Purchase Order
                        </div>

                        <div class="card-body">

                            <form method="POST"
                                  action="{{ route('omd.convertToPo', $rfq->id) }}"
                                  onsubmit="return confirm('Issue PO to selected vendor?')">

                                @csrf

                                <div class="row g-3">

                                    <div class="col-md-6">

                                        <label class="form-label">
                                            Select Vendor
                                        </label>

                                        <select name="rfq_vendor_id"
                                                class="form-select"
                                                required>

                                            <option value="">
                                                Choose Vendor
                                            </option>

                                            @foreach($quotedVendors as $rv)

                                                @php
                                                    $vendorTotal = $vendorTotals[$rv->id] ?? 0;
                                                @endphp

                                                <option value="{{ $rv->id }}">

                                                    {{ $rv->vendor->user->name }}
                                                    — ₹ {{ number_format($vendorTotal, 2) }}

                                                </option>

                                            @endforeach

                                        </select>

                                    </div>

                                    <div class="col-md-3">

                                        <label class="form-label">
                                            GST %
                                        </label>

                                        <select name="gst_percent"
                                                class="form-select"
                                                required>

                                            <option value="0">0%</option>
                                            <option value="5">5%</option>
                                            <option value="12">12%</option>
                                            <option value="18" selected>18%</option>
                                            <option value="28">28%</option>

                                        </select>

                                    </div>

                                    <div class="col-md-3">

                                        <label class="form-label">
                                            Delivery Date
                                        </label>

                                        <input type="date"
                                               name="delivery_date"
                                               class="form-control"
                                               min="{{ now()->addDay()->toDateString() }}"
                                               value="{{ optional($rfq->delivery_date)->toDateString() }}"
                                               required>

                                    </div>

                                    <div class="col-12">

                                        <label class="form-label">
                                            Notes
                                        </label>

                                        <textarea name="notes"
                                                  rows="3"
                                                  class="form-control"
                                                  placeholder="Payment terms, delivery instructions..."></textarea>

                                    </div>

                                    <div class="col-12 text-end">

                                        <button type="submit"
                                                class="btn btn-primary px-4">

                                            Issue Purchase Order

                                        </button>

                                    </div>

                                </div>

                            </form>

                        </div>

                    </div>

                @endif

                {{-- Awarded --}}
                @if($rfq->status === 'awarded')

                    @php
                        $order = $rfq->orders->first();
                    @endphp

                    <div class="alert alert-success d-flex justify-content-between align-items-center">

                       <div>
                            <strong>PO Issued</strong><br>

                            {{ $order?->po_number ?? 'N/A' }} ·
                            ₹ {{ number_format($total ?? 0, 2) }}
                        </div>

                        @if($order)

                            <a href="{{ route('omd.orders.show', $order->id) }}"
                               class="btn btn-success btn-sm">

                                View PO

                            </a>

                        @endif

                    </div>

                @endif

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

@endsection