<?php
namespace App\Filament\Pages\Fornitore;

use App\Filament\Pages\Fornitore\Concerns\ResolvesOperatoreContext;
use App\Models\FatturaElettronica;
use App\Models\Fornitore;
use App\Models\ProductSerial;
use App\Models\User;
use BackedEnum;
use Filament\Pages\Page;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use UnitEnum;

class SerialiCatalogo extends Page
{
    use ResolvesOperatoreContext;

    protected static ?string $navigationLabel = 'Seriali';

    protected static ?string $title = 'Ricerca seriali fornitore';

    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-qr-code';

    protected static UnitEnum|string|null $navigationGroup = 'Fornitore';

    protected static ?int $navigationSort = 5;

    protected static ?string $slug = 'fornitore/seriali';

    protected string $view = 'filament.pages.fornitore.seriali-catalogo';

    public ?int $fornitoreId = null;

    public ?string $fornitoreLabel = null;

    public bool $missingAdminContext = false;

    public string $search = '';

    public ?int $selectedSerialId = null;

    /** @var array<string, mixed>|null */
    public ?array $detailCard = null;

    /** @var array<int, array<string, mixed>> */
    public array $rows = [];

    public static function canAccess(): bool
    {
        $user = Auth::user();

        return $user instanceof User
        && $user->hasAnyRole(['super-admin', 'admin', 'amministratore', 'collaboratore', 'fornitore']);
    }

    public function mount(): void
    {
        [$fornitore] = $this->resolveOperatoreContext(allowAdminWithoutSupplier: true);

        if (! $fornitore instanceof Fornitore) {
            $this->missingAdminContext = true;
            return;
        }

        $this->fornitoreId      = (int) $fornitore->id;
        $this->fornitoreLabel   = trim((string) ($fornitore->ragione_sociale ?: trim(($fornitore->nome ?? '') . ' ' . ($fornitore->cognome ?? ''))));
        $this->search           = trim((string) request()->query('q', ''));
        $requestedSerialId      = (int) request()->query('seriale', 0);
        $this->selectedSerialId = $requestedSerialId > 0 ? $requestedSerialId : null;
        $this->refreshRows();

        if ($this->selectedSerialId) {
            $this->openSerialDetail($this->selectedSerialId);
        }
    }

    public function updatedSearch(): void
    {
        $this->refreshRows();

        if ($this->selectedSerialId && ! collect($this->rows)->contains(fn(array $row): bool => (int) ($row['id'] ?? 0) === (int) $this->selectedSerialId)) {
            $this->selectedSerialId = null;
            $this->detailCard       = null;
        }
    }

    public function getProdottiUrl(): string
    {
        return ProdottiCatalogo::getUrl(['fornitore' => (int) ($this->fornitoreId ?? 0), 'tab' => 'seriali', 'q' => trim($this->search)], panel: 'admin-filament');
    }

    public function getFornitoreSchedaUrl(): ?string
    {
        if (! $this->fornitoreId) {
            return null;
        }

        return \App\Filament\Pages\Gescon\FornitoreScheda::getUrl(['record' => (int) $this->fornitoreId], panel: 'admin-filament');
    }

    public function openSerialDetail(int $serialId): void
    {
        if (! $this->fornitoreId) {
            return;
        }

        $fornitore   = Fornitore::query()->find((int) $this->fornitoreId);
        $supplierIds = $fornitore instanceof Fornitore ? $fornitore->catalogScopeSupplierIds() : [(int) $this->fornitoreId];

        $serial = ProductSerial::query()
            ->with([
                'product.identifiers',
                'product.offers.fornitore',
                'fornitore:id,ragione_sociale,nome,cognome,email,telefono,cellulare',
                'legacyScheda',
            ])
            ->whereIn('fornitore_id', $supplierIds)
            ->find($serialId);

        if (! $serial instanceof ProductSerial) {
            $this->selectedSerialId = null;
            $this->detailCard       = null;
            return;
        }

        $invoiceId = null;
        if (preg_match('/^fe:(\d+)$/', (string) ($serial->source_reference ?? ''), $match)) {
            $invoiceId = (int) $match[1];
        }

        $fattura      = $invoiceId ? FatturaElettronica::query()->find($invoiceId) : null;
        $legacyScheda = $serial->legacyScheda;
        $product      = $serial->product;

        $this->selectedSerialId = (int) $serial->id;
        $this->detailCard       = [
            'id'                    => (int) $serial->id,
            'serial_number'         => (string) ($serial->serial_number ?? ''),
            'serial_number_2'       => (string) ($serial->serial_number_2 ?? ''),
            'supplier_label'        => trim((string) ($serial->fornitore?->ragione_sociale ?: trim(($serial->fornitore?->nome ?? '') . ' ' . ($serial->fornitore?->cognome ?? '')))),
            'product_internal_code' => (string) ($product?->internal_code ?? $serial->product_code ?? ''),
            'product_name'          => (string) ($product?->name ?? $serial->product_model ?? ''),
            'product_brand'         => (string) ($product?->brand ?? ''),
            'product_model'         => (string) ($product?->model ?? $serial->product_model ?? ''),
            'product_code'          => (string) ($serial->product_code ?? ''),
            'customer_name'         => (string) ($serial->customer_name ?? ''),
            'purchase_invoice_ref'  => (string) ($serial->purchase_invoice_ref ?? ''),
            'purchase_invoice_line' => (int) ($serial->purchase_invoice_line ?? 0),
            'purchase_date'         => $serial->purchase_date?->format('d/m/Y H:i') ?: '',
            'purchase_price'        => $serial->purchase_price !== null ? (float) $serial->purchase_price : null,
            'purchase_currency'     => (string) ($serial->purchase_currency ?? 'EUR'),
            'purchase_tax_rate'     => $serial->purchase_tax_rate !== null ? (float) $serial->purchase_tax_rate : null,
            'date_received'         => $serial->date_received?->format('d/m/Y H:i') ?: '',
            'date_resold'           => $serial->date_resold?->format('d/m/Y H:i') ?: '',
            'internal_notes'        => (string) ($serial->internal_notes ?? ''),
            'source'                => (string) ($serial->source ?? ''),
            'source_reference'      => (string) ($serial->source_reference ?? ''),
            'invoice'               => $fattura ? [
                'numero'                  => (string) ($fattura->numero_fattura ?? ''),
                'data'                    => $fattura->data_fattura?->format('d/m/Y') ?: '',
                'nome_file'               => (string) ($fattura->nome_file_xml ?? ''),
                'fornitore_denominazione' => (string) ($fattura->fornitore_denominazione ?? ''),
                'totale'                  => $fattura->totale !== null ? (float) $fattura->totale : null,
            ] : null,
            'legacy'                => $legacyScheda ? [
                'numero_scheda'      => (string) ($legacyScheda->legacy_numero_scheda ?: $legacyScheda->legacy_id ?: ''),
                'status'             => (string) ($legacyScheda->status_label ?: $legacyScheda->status_bucket ?: ''),
                'customer'           => (string) ($legacyScheda->customer_name ?? ''),
                'defect'             => (string) ($legacyScheda->defect_reported ?? ''),
                'repair_description' => (string) ($legacyScheda->repair_description ?? ''),
                'communications'     => (string) ($legacyScheda->communications ?? ''),
            ]: null,
            'identifiers'           => $product
                ? $product->identifiers
                ->sortBy(fn($identifier) => sprintf('%s-%s', (string) $identifier->code_type, (string) $identifier->code_value))
                ->map(fn($identifier) : array=> [
                    'type'   => (string) ($identifier->code_type ?? ''),
                    'role'   => (string) ($identifier->code_role ?? ''),
                    'value'  => (string) ($identifier->code_value ?? ''),
                    'source' => (string) ($identifier->source ?? ''),
                ])
                ->values()
                ->all()
                : [],
            'offers'                => $product
                ? $product->offers
                ->sortByDesc(fn($offer) => (string) ($offer->updated_at ?? ''))
                ->map(fn($offer) : array=> [
                    'supplier'     => trim((string) ($offer->fornitore?->ragione_sociale ?: trim(($offer->fornitore?->nome ?? '') . ' ' . ($offer->fornitore?->cognome ?? '')))),
                    'price'        => $offer->price_amount !== null ? (float) $offer->price_amount : null,
                    'currency'     => (string) ($offer->currency ?? 'EUR'),
                    'availability' => (string) ($offer->availability ?? ''),
                    'external_sku' => (string) ($offer->external_sku ?? ''),
                ])
                ->values()
                ->all()
                : [],
        ];
    }

    private function refreshRows(): void
    {
        if (! $this->fornitoreId) {
            $this->rows = [];
            return;
        }

        $fornitore   = Fornitore::query()->find((int) $this->fornitoreId);
        $supplierIds = $fornitore instanceof Fornitore ? $fornitore->catalogScopeSupplierIds() : [(int) $this->fornitoreId];

        $term       = trim($this->search);
        $normalized = preg_replace('/[^A-Za-z0-9]+/', '', strtoupper($term)) ?? '';

        $serials = ProductSerial::query()
            ->with(['product:id,internal_code,name,brand,model', 'fornitore:id,ragione_sociale,nome,cognome'])
            ->whereIn('fornitore_id', $supplierIds)
            ->when($term !== '', function (Builder $query) use ($term, $normalized): void {
                $query->where(function (Builder $builder) use ($term, $normalized): void {
                    $builder->where('serial_number', 'like', '%' . $term . '%')
                        ->orWhere('serial_number_2', 'like', '%' . $term . '%')
                        ->orWhere('product_model', 'like', '%' . $term . '%')
                        ->orWhere('product_code', 'like', '%' . $term . '%')
                        ->orWhere('purchase_invoice_ref', 'like', '%' . $term . '%')
                        ->orWhere('source_reference', 'like', '%' . $term . '%');

                    if ($normalized !== '') {
                        $builder->orWhereHas('product', function (Builder $productQuery) use ($term, $normalized): void {
                            $productQuery->where('internal_code', 'like', '%' . $term . '%')
                                ->orWhere('name', 'like', '%' . $term . '%')
                                ->orWhereHas('identifiers', function (Builder $identifierQuery) use ($normalized): void {
                                    $identifierQuery->where('normalized_code', $normalized)
                                        ->orWhere('code_value', 'like', '%' . $normalized . '%');
                                });
                        });
                    }
                });
            })
            ->orderByDesc('purchase_date')
            ->orderByDesc('date_received')
            ->orderByDesc('id')
            ->limit(120)
            ->get();

        $this->rows = $serials->map(function (ProductSerial $serial): array {
            $fornitoreLabel = trim((string) ($serial->fornitore?->ragione_sociale ?: trim(($serial->fornitore?->nome ?? '') . ' ' . ($serial->fornitore?->cognome ?? ''))));

            return [
                'id'                    => (int) $serial->id,
                'detail_url'            => self::getUrl([
                    'fornitore' => (int) ($this->fornitoreId ?? 0),
                    'q'         => trim($this->search),
                    'seriale'   => (int) $serial->id,
                ], panel: 'admin-filament'),
                'serial_number'         => (string) ($serial->serial_number ?? ''),
                'serial_number_2'       => (string) ($serial->serial_number_2 ?? ''),
                'product_internal_code' => (string) ($serial->product?->internal_code ?? ''),
                'product_name'          => (string) ($serial->product?->name ?? ''),
                'product_model'         => (string) ($serial->product_model ?? ''),
                'product_code'          => (string) ($serial->product_code ?? ''),
                'purchase_invoice_ref'  => (string) ($serial->purchase_invoice_ref ?? ''),
                'purchase_invoice_line' => (int) ($serial->purchase_invoice_line ?? 0),
                'purchase_date'         => $serial->purchase_date?->format('d/m/Y') ?: '',
                'purchase_price'        => $serial->purchase_price !== null ? (float) $serial->purchase_price : null,
                'purchase_currency'     => (string) ($serial->purchase_currency ?? 'EUR'),
                'purchase_tax_rate'     => $serial->purchase_tax_rate !== null ? (float) $serial->purchase_tax_rate : null,
                'date_received'         => $serial->date_received?->format('d/m/Y') ?: '',
                'date_resold'           => $serial->date_resold?->format('d/m/Y') ?: '',
                'customer_name'         => (string) ($serial->customer_name ?? ''),
                'source'                => (string) ($serial->source ?? ''),
                'source_reference'      => (string) ($serial->source_reference ?? ''),
                'fornitore_label'       => $fornitoreLabel !== '' ? $fornitoreLabel : ('Fornitore #' . (int) $serial->fornitore_id),
            ];
        })->all();
    }
}