<?php

namespace App\Filament\Pages\Contabilita\Components;

use App\Filament\Pages\Contabilita\RateEmesseArchivio;
use App\Models\GesconImport\RateEmissione;
use App\Models\RataEmessaNg;
use App\Models\User;
use App\Support\StabileContext;
use Filament\Actions\Concerns\InteractsWithActions;
use Filament\Actions\Contracts\HasActions as HasActionsContract;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Contracts\HasForms;
use Filament\Support\Contracts\TranslatableContentDriver;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Concerns\InteractsWithTable;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Filters\SelectFilter;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Livewire\Component;

class RateEmesseEmissioniTable extends Component implements HasActionsContract, HasForms, HasTable
{
    use InteractsWithTable;
    use InteractsWithActions;
    use InteractsWithForms;

    /** @var array<int, array{count:int, total:float}> */
    protected array $emissionStatsCache = [];

    public function mount(): void
    {
        $this->mountInteractsWithTable();
    }

    protected function getTableQuery(): Builder
    {
        $user = Auth::user();
        if (! $user instanceof User) {
            return RateEmissione::query()->whereRaw('1 = 0');
        }

        $stabile = StabileContext::getActiveStabile($user);
        $codStabile = $stabile?->codice_stabile ?? $stabile?->cod_stabile;
        if (! $codStabile) {
            return RateEmissione::query()->whereRaw('1 = 0');
        }

        return RateEmissione::query()
            ->where('cod_stabile', (string) $codStabile)
            ->orderBy('numero_emissione')
            ->orderBy('data_emissione');
    }

    public function table(Table $table): Table
    {
        return $table
            ->striped()
            ->paginated()
            ->paginationPageOptions([10, 25, 50, 100])
            ->defaultPaginationPageOption(10)
            ->recordUrl(function (RateEmissione $record): string {
                return RateEmesseArchivio::getUrl(
                    panel: 'admin-filament',
                    parameters: [
                        'tab' => 'dettaglio',
                        'emissione_gen' => $record->id,
                    ],
                );
            })
            ->filters([
                SelectFilter::make('anno_emissione')
                    ->label('Gestione')
                    ->options(function (): array {
                        $user = Auth::user();
                        if (! $user instanceof User) {
                            return [];
                        }

                        $stabile = StabileContext::getActiveStabile($user);
                        $codStabile = $stabile?->codice_stabile ?? $stabile?->cod_stabile;
                        if (! $codStabile) {
                            return [];
                        }

                        return RateEmissione::query()
                            ->where('cod_stabile', (string) $codStabile)
                            ->whereNotNull('anno_emissione')
                            ->select('anno_emissione')
                            ->distinct()
                            ->orderByDesc('anno_emissione')
                            ->pluck('anno_emissione', 'anno_emissione')
                            ->all();
                    })
                    ->query(function (Builder $query, array $data): Builder {
                        $anno = $data['value'] ?? null;
                        if (blank($anno)) {
                            return $query;
                        }

                        return $query->where('anno_emissione', (string) $anno);
                    }),
            ])
            ->columns([
                TextColumn::make('data_emissione')
                    ->label('Emissione')
                    ->date('d/m/Y')
                    ->url(function (RateEmissione $record): string {
                        return RateEmesseArchivio::getUrl(
                            panel: 'admin-filament',
                            parameters: [
                                'tab' => 'dettaglio',
                                'emissione_gen' => $record->id,
                            ],
                        );
                    })
                    ->sortable(),

                TextColumn::make('data_scadenza')
                    ->label('Scadenza')
                    ->date('d/m/Y')
                    ->sortable(),

                TextColumn::make('numero_emissione')
                    ->label('N. Emissione')
                    ->sortable(),

                TextColumn::make('anno_emissione')
                    ->label('Gestione')
                    ->sortable(),

                TextColumn::make('descrizione')
                    ->label('Descrizione')
                    ->wrap()
                    ->searchable(),

                TextColumn::make('numero_rate')
                    ->label('N. rate')
                    ->alignRight()
                    ->state(function (RateEmissione $record): int {
                        $n = (int) ($record->numero_rate ?? 0);
                        return $n > 0 ? $n : $this->getEmissionStats($record)['count'];
                    }),

                TextColumn::make('totale_rate')
                    ->label('Totale')
                    ->alignRight()
                    ->money('EUR', locale: 'it')
                    ->state(fn(RateEmissione $record): float => $this->getEmissionStats($record)['total']),

                TextColumn::make('gestione_tipo')
                    ->label('Gestione')
                    ->toggleable(isToggledHiddenByDefault: true),

                TextColumn::make('gestione_periodo')
                    ->label('Periodo')
                    ->wrap()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->defaultSort('numero_emissione', 'asc');
    }

    /**
     * Statistiche su righe rate NG (rate_emesse) collegate all'emissione tramite (data_emissione, data_scadenza).
     * Cache per evitare doppie query durante il rendering delle colonne.
     *
     * @return array{count:int, total:float}
     */
    protected function getEmissionStats(RateEmissione $record): array
    {
        $id = (int) $record->getKey();
        if (isset($this->emissionStatsCache[$id])) {
            return $this->emissionStatsCache[$id];
        }

        $user = Auth::user();
        if (! $user instanceof User) {
            return $this->emissionStatsCache[$id] = ['count' => 0, 'total' => 0.0];
        }

        $activeStabileId = StabileContext::resolveActiveStabileId($user);
        if (! $activeStabileId) {
            return $this->emissionStatsCache[$id] = ['count' => 0, 'total' => 0.0];
        }

        $q = RataEmessaNg::query()
            ->whereHas('pianoRateizzazione', fn(Builder $sub) => $sub->where('stabile_id', (int) $activeStabileId));

        // Preferisci match per numero emissione e anno (tracciati nelle note durante import EMES_DET).
        // Le date possono coincidere tra emissioni diverse.
        $numeroEmissione = (int) ($record->numero_emissione ?? 0);
        if ($numeroEmissione > 0) {
            $q->whereRaw(
                "SUBSTRING_INDEX(SUBSTRING_INDEX(note, 'n_emissione=', -1), '|', 1) = ?",
                [(string) $numeroEmissione]
            );

            $anno = trim((string) ($record->anno_emissione ?? ''));
            if ($anno !== '') {
                $q->whereRaw(
                    "SUBSTRING_INDEX(SUBSTRING_INDEX(note, 'anno_emissione=', -1), '|', 1) = ?",
                    [$anno]
                );
            }
        } else {
            if ($record->data_emissione) {
                $q->whereDate('data_emissione', $record->data_emissione);
            }
            if ($record->data_scadenza) {
                $q->whereDate('data_scadenza', $record->data_scadenza);
            }
        }

        $row = $q
            ->selectRaw('COUNT(*) AS c, COALESCE(SUM(importo_addebitato_soggetto), 0) AS t')
            ->first();

        return $this->emissionStatsCache[$id] = [
            'count' => (int) ($row?->c ?? 0),
            'total' => (float) ($row?->t ?? 0),
        ];
    }

    public function render()
    {
        return view('filament.pages.contabilita.components.rate-emesse-emissioni-table');
    }

    public function makeFilamentTranslatableContentDriver(): ?TranslatableContentDriver
    {
        return null;
    }
}