@extends('layouts.app')

@section('title', 'Import Quotes - Map & Import')

@section('content')
<div class="container-wrapper" style="background-color: #fff; min-height: 100vh;">
    <!-- Top Step Indicator Header -->
    <div class="d-flex justify-content-between align-items-center mb-5 border-bottom pb-3">
        <div class="flex-grow-1"></div>
        <div class="text-center flex-grow-2">
            <h2 class="h5 fw-bold text-dark mb-3">Quotes - Map Fields</h2>
            <div class="d-flex align-items-center justify-content-center gap-4">
                <div class="d-flex align-items-center gap-2 text-muted">
                    <span class="rounded-circle border d-inline-flex align-items-center justify-content-center" style="width: 24px; height: 24px; font-size: 12px; background-color: #f8f9fa;">1</span>
                    <span class="pe-2">Configure</span>
                </div>
                <div class="border-top" style="width: 50px; border-color: #dee2e6 !important;"></div>
                <div class="d-flex align-items-center gap-2">
                    <span class="rounded-circle bg-primary text-white d-inline-flex align-items-center justify-content-center" style="width: 24px; height: 24px; font-size: 12px;">2</span>
                    <span class="fw-bold text-dark">Map Fields</span>
                </div>
                <div class="border-top" style="width: 50px; border-color: #dee2e6 !important;"></div>
                <div class="d-flex align-items-center gap-2 text-muted">
                    <span class="rounded-circle border d-inline-flex align-items-center justify-content-center" style="width: 24px; height: 24px; font-size: 12px;">3</span>
                    <span>Preview</span>
                </div>
            </div>
        </div>
        <div class="flex-grow-1 text-end">
            <button type="button" class="btn-close" onclick="window.location='{{ route('quotes.index') }}'"></button>
        </div>
    </div>

    <div class="row justify-content-center">
        <div class="col-xl-11">
            <form action="{{ route('quotes.import.confirm') }}" method="POST" id="import-form">
                @csrf
                
                <!-- Summary Area -->
                <div class="row g-4 mb-5">
                    <div class="col-md-4">
                        <div class="card border border-light-subtle shadow-sm rounded-3 bg-white p-4">
                            <div class="d-flex align-items-center">
                                <div class="rounded-circle bg-primary bg-opacity-10 p-3 me-3">
                                    <i class="fas fa-file-invoice text-primary fs-4"></i>
                                </div>
                                <div>
                                    <h4 class="fw-bold mb-0 text-dark">{{ $totalRecords }}</h4>
                                    <p class="text-muted small mb-0 fw-medium">Total Records Found</p>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="col-md-4">
                        <div class="card border border-light-subtle shadow-sm rounded-3 bg-white p-4">
                            <div class="d-flex align-items-center">
                                <div class="rounded-circle bg-success bg-opacity-10 p-3 me-3">
                                    <i class="fas fa-check-double text-success fs-4"></i>
                                </div>
                                <div>
                                    <h4 class="fw-bold mb-0 text-dark">{{ $totalRecords }}</h4>
                                    <p class="text-muted small mb-0 fw-medium">Ready to Import</p>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="col-md-4">
                        <div class="card border border-light-subtle shadow-sm rounded-3 bg-white p-4">
                            <div class="d-flex align-items-center">
                                <div class="rounded-circle bg-danger bg-opacity-10 p-3 me-3">
                                    <i class="fas fa-exclamation-triangle text-danger fs-4"></i>
                                </div>
                                <div>
                                    <h4 class="fw-bold mb-0 text-dark">0</h4>
                                    <p class="text-muted small mb-0 fw-medium">Invalid Records</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="row g-4">
                    <!-- Field Mapping Card -->
                    <div class="col-lg-7">
                        <div class="card border shadow-sm rounded-3 overflow-hidden mb-4">
                            <div class="card-header bg-white py-3 ps-4 border-bottom">
                                <h6 class="mb-0 fw-bold text-dark">Map Your Fields</h6>
                            </div>
                            <div class="card-body p-0">
                                <div class="table-responsive">
                                    <table class="table align-middle mb-0">
                                        <thead class="bg-light">
                                            <tr>
                                                <th class="ps-4 py-3 text-muted small text-uppercase" style="width: 45%;">System Field</th>
                                                <th class="py-3 text-muted small text-uppercase">Imported Column</th>
                                            </tr>
                                        </thead>
                                        <tbody id="mapping-table-body">
                                            @foreach($fields as $groupName => $groupFields)
                                                <tr class="bg-light-subtle">
                                                    <td colspan="2" class="ps-4 py-2 border-bottom">
                                                        <span class="fw-bold text-primary small text-uppercase">{{ $groupName }}</span>
                                                    </td>
                                                </tr>
                                                @foreach($groupFields as $id => $label)
                                                    <tr>
                                                        <td class="ps-4 py-3 border-bottom">
                                                            <span class="text-dark fw-medium small">{{ $label }}</span>
                                                            @if(isset($fields['Required Fields'][$id])) 
                                                                <span class="text-danger small ms-1" title="Required">*</span> 
                                                            @endif
                                                        </td>
                                                        <td class="pe-4 border-bottom">
                                                            <select name="mapping[{{ $id }}]" class="form-select border shadow-none fw-medium text-muted bg-white" style="font-size: 0.85rem;">
                                                                <option value="">-- Skip this field --</option>
                                                                @foreach($headers as $index => $header)
                                                                    @php
                                                                        $selected = false;
                                                                        $h = strtolower(trim($header));
                                                                        $l = strtolower(trim($label));
                                                                        $id_match = strtolower(trim($id));
                                                                        if ($h == $l || $h == $id_match || strpos($h, $id_match) !== false || strpos($id_match, $h) !== false) { 
                                                                            $selected = true; 
                                                                        }
                                                                    @endphp
                                                                    <option value="{{ $index }}" {{ $selected ? 'selected' : '' }}>{{ $header }}</option>
                                                                @endforeach
                                                            </select>
                                                        </td>
                                                    </tr>
                                                @endforeach
                                            @endforeach
                                        </tbody>
                                    </table>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Preview Area -->
                    <div class="col-lg-5">
                        <div class="card border shadow-sm rounded-3 overflow-hidden h-100">
                            <div class="card-header bg-white py-3 ps-4 border-bottom d-flex justify-content-between align-items-center">
                                <h6 class="mb-0 fw-bold text-dark">Data Preview (First 5 Rows)</h6>
                            </div>
                            <div class="card-body p-0">
                                <div class="table-responsive">
                                    <table class="table table-sm align-middle mb-0" style="font-size: 0.75rem;">
                                        <thead class="bg-light">
                                            <tr>
                                                @foreach(array_slice($headers, 0, 4) as $header)
                                                    <th class="ps-3 py-2 text-muted text-uppercase fw-bold">{{ $header }}</th>
                                                @endforeach
                                                @if(count($headers) > 4) <th class="py-2 text-muted">...</th> @endif
                                            </tr>
                                        </thead>
                                        <tbody>
                                            @foreach($sampleRows as $row)
                                                <tr>
                                                    @foreach(array_slice($row, 0, 4) as $cell)
                                                        <td class="ps-3 py-2 border-bottom x-small text-truncate" style="max-width: 100px;">{{ $cell ?: '-' }}</td>
                                                    @endforeach
                                                    @if(count($row) > 4) <td class="py-2 border-bottom x-small text-muted">...</td> @endif
                                                </tr>
                                            @endforeach
                                        </tbody>
                                    </table>
                                </div>
                                
                                <div class="p-4 bg-light-soft text-center border-top">
                                    <p class="small text-muted mb-0">
                                        <i class="fas fa-info-circle me-1 text-primary"></i> Ensure mandatory fields are correctly mapped for a successful import.
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Sticky Footer Buttons -->
                <div class="position-fixed bottom-0 start-0 w-100 bg-light border-top py-3 px-4 d-flex justify-content-between z-3" style="margin-left: 250px; width: calc(100% - 250px) !important;">
                    <div class="d-flex gap-3">
                        <button type="submit" class="btn btn-primary px-4 fw-bold shadow-none border-0" style="background-color: #408dfb;">Import Quotes</button>
                    </div>
                    <a href="{{ route('quotes.import.step1') }}" class="btn btn-outline-secondary px-4 fw-bold bg-white text-dark shadow-none border">Previous</a>
                </div>
            </form>
        </div>
    </div>
</div>

<style>
.bg-light-soft { background-color: #f8fbff; }
.bg-light-subtle { background-color: #f8f9fa; }
.form-select:focus { border-color: #408dfb !important; }
body { padding-bottom: 80px; }
@media (max-width: 991.98px) {
    .position-fixed.bottom-0 { margin-left: 0 !important; width: 100% !important; }
}
</style>

<script>
document.getElementById('import-form').addEventListener('submit', function(e) {
    const mapping = {};
    const selects = this.querySelectorAll('select[name^="mapping"]');
    selects.forEach(select => {
        const field = select.name.match(/\[(.*?)\]/)[1];
        mapping[field] = select.value;
    });

    const required = ['customer_name', 'item_name', 'quantity', 'rate'];
    for (const field of required) {
        if (!mapping[field]) {
            alert(`Please map the required field: ${field.replace('_', ' ').toUpperCase()}`);
            e.preventDefault();
            return;
        }
    }
});
</script>
@endsection