<?php

namespace App\Filament\Pages\SuperAdmin;

use App\Models\Amministratore;
use App\Models\User;
use BackedEnum;
use Filament\Actions\Action;
use Filament\Pages\Page;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Forms\Components\DatePicker;
use Filament\Tables\Columns\IconColumn;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Concerns\InteractsWithTable;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Carbon;
use UnitEnum;

class Amministratori extends Page implements HasTable
{
    use InteractsWithTable;

    protected static ?string $navigationLabel = 'Amministratori';

    protected static ?string $title = 'Gestione amministratori';

    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-building-office';

    protected static UnitEnum|string|null $navigationGroup = 'Super Admin';

    protected static ?int $navigationSort = 2;

    protected static ?string $slug = 'superadmin/amministratori';

    protected string $view = 'filament.pages.gescon.table';

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

        return $user instanceof User
            && $user->hasAnyRole(['super-admin', 'admin'])
            && Schema::hasTable('amministratori');
    }

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

    protected function getTableQuery(): Builder
    {
        return Amministratore::query()->withCount('stabili');
    }

    public function table(Table $table): Table
    {
        return $table
            ->striped()
            ->defaultSort('id', 'desc')
            ->columns([
                TextColumn::make('id')->label('ID')->sortable(),
                TextColumn::make('codice_univoco')->label('Codice')->searchable()->sortable(),
                TextColumn::make('nome')->label('Nome')->searchable()->sortable(),
                TextColumn::make('cognome')->label('Cognome')->searchable()->sortable(),
                TextColumn::make('stabili_count')->label('Stabili')->sortable(),
                TextColumn::make('denominazione_studio')->label('Studio')->searchable()->toggleable(),
                TextColumn::make('email_studio')->label('Email')->searchable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('pec_studio')->label('PEC')->searchable()->toggleable(isToggledHiddenByDefault: true),
                IconColumn::make('attivo')->label('Attivo')->boolean()->sortable()->toggleable(),
                IconColumn::make('abilita_import_stabili')->label('Import')->boolean()->sortable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('fe_cassetto_status')
                    ->label('FE Stato')
                    ->state(function (Amministratore $record): string {
                        if (! (bool) ($record->fe_cassetto_enabled ?? false)) {
                            return 'Disabilitato';
                        }

                        $expiresAt = $record->fe_cassetto_expires_at;
                        if ($expiresAt instanceof Carbon && $expiresAt->startOfDay()->lt(now()->startOfDay())) {
                            return 'Scaduto';
                        }

                        return 'Attivo';
                    })
                    ->badge()
                    ->color(function (Amministratore $record): string {
                        if (! (bool) ($record->fe_cassetto_enabled ?? false)) {
                            return 'gray';
                        }

                        $expiresAt = $record->fe_cassetto_expires_at;
                        if ($expiresAt instanceof Carbon && $expiresAt->startOfDay()->lt(now()->startOfDay())) {
                            return 'danger';
                        }

                        return 'success';
                    })
                    ->sortable(),
                IconColumn::make('fe_cassetto_enabled')->label('FE Abilitato')->boolean()->sortable()->toggleable(),
                TextColumn::make('fe_cassetto_expires_at')->label('FE Scadenza')->date('d/m/Y')->sortable()->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('updated_at')->label('Aggiornato')->dateTime('d/m/Y H:i')->toggleable(isToggledHiddenByDefault: true),
            ])
            ->headerActions([
                Action::make('create')
                    ->label('Nuovo')
                    ->icon('heroicon-o-plus')
                    ->form([
                        Select::make('user_id')
                            ->label('Utente collegato')
                            ->options(fn() => User::query()
                                ->whereDoesntHave('amministratore')
                                ->orderBy('name')
                                ->get()
                                ->mapWithKeys(fn(User $u) => [
                                    $u->id => trim($u->name . ' <' . $u->email . '>'),
                                ])
                                ->all())
                            ->searchable()
                            ->required(),
                        TextInput::make('nome')->label('Nome')->required()->maxLength(100),
                        TextInput::make('cognome')->label('Cognome')->required()->maxLength(100),
                        TextInput::make('denominazione_studio')->label('Denominazione studio')->maxLength(255),
                        TextInput::make('partita_iva')->label('Partita IVA')->maxLength(30),
                        TextInput::make('codice_fiscale_studio')->label('Codice fiscale')->maxLength(30),
                        TextInput::make('indirizzo_studio')->label('Indirizzo')->maxLength(255),
                        TextInput::make('cap_studio')->label('CAP')->maxLength(10),
                        TextInput::make('citta_studio')->label('Città')->maxLength(60),
                        TextInput::make('provincia_studio')->label('Provincia')->maxLength(5),
                        TextInput::make('telefono_studio')->label('Telefono')->maxLength(50),
                        TextInput::make('email_studio')->label('Email')->maxLength(255),
                        TextInput::make('pec_studio')->label('PEC')->maxLength(255),
                        Toggle::make('attivo')->label('Attivo')->default(true),
                        Toggle::make('abilita_import_stabili')->label('Abilita import stabili')->default(true),

                        Toggle::make('fe_cassetto_enabled')
                            ->label('Abilita servizio scarico Fatture (Cassetto Fiscale)')
                            ->helperText('Servizio a pagamento: abilita solo per gli amministratori autorizzati.')
                            ->default(false),

                        DatePicker::make('fe_cassetto_expires_at')
                            ->label('Scadenza servizio (opzionale)')
                            ->helperText('Se valorizzata, dopo questa data lo scarico sarà bloccato finché non rinnovato.')
                            ->native(false)
                            ->displayFormat('d/m/Y')
                            ->nullable(),
                    ])
                    ->action(function (array $data): void {
                        $amm = Amministratore::query()->create([
                            'user_id' => (int) ($data['user_id'] ?? 0),
                            'nome' => trim((string) ($data['nome'] ?? '')),
                            'cognome' => trim((string) ($data['cognome'] ?? '')),
                            'denominazione_studio' => (string) ($data['denominazione_studio'] ?? ''),
                            'partita_iva' => (string) ($data['partita_iva'] ?? ''),
                            'codice_fiscale_studio' => (string) ($data['codice_fiscale_studio'] ?? ''),
                            'indirizzo_studio' => (string) ($data['indirizzo_studio'] ?? ''),
                            'cap_studio' => (string) ($data['cap_studio'] ?? ''),
                            'citta_studio' => (string) ($data['citta_studio'] ?? ''),
                            'provincia_studio' => (string) ($data['provincia_studio'] ?? ''),
                            'telefono_studio' => (string) ($data['telefono_studio'] ?? ''),
                            'email_studio' => (string) ($data['email_studio'] ?? ''),
                            'pec_studio' => (string) ($data['pec_studio'] ?? ''),
                            'attivo' => (bool) ($data['attivo'] ?? true),
                            'abilita_import_stabili' => (bool) ($data['abilita_import_stabili'] ?? true),

                            'fe_cassetto_enabled' => (bool) ($data['fe_cassetto_enabled'] ?? false),
                            'fe_cassetto_expires_at' => $data['fe_cassetto_expires_at'] ?? null,
                        ]);

                        // Best-effort: provisioning cartelle.
                        try {
                            $amm->provisionArchiveIfMissing();
                        } catch (\Throwable) {
                        }
                    }),
            ])
            ->actions([
                Action::make('edit')
                    ->label('Modifica')
                    ->icon('heroicon-o-pencil-square')
                    ->form([
                        Select::make('user_id')
                            ->label('Utente collegato')
                            ->options(fn(Amministratore $record) => User::query()
                                ->where(function (Builder $q) use ($record) {
                                    $q->whereDoesntHave('amministratore')
                                        ->orWhere('id', (int) $record->user_id);
                                })
                                ->orderBy('name')
                                ->get()
                                ->mapWithKeys(fn(User $u) => [
                                    $u->id => trim($u->name . ' <' . $u->email . '>'),
                                ])
                                ->all())
                            ->searchable()
                            ->required(),
                        TextInput::make('nome')->label('Nome')->required()->maxLength(100),
                        TextInput::make('cognome')->label('Cognome')->required()->maxLength(100),
                        TextInput::make('denominazione_studio')->label('Denominazione studio')->maxLength(255),
                        TextInput::make('partita_iva')->label('Partita IVA')->maxLength(30),
                        TextInput::make('codice_fiscale_studio')->label('Codice fiscale')->maxLength(30),
                        TextInput::make('indirizzo_studio')->label('Indirizzo')->maxLength(255),
                        TextInput::make('cap_studio')->label('CAP')->maxLength(10),
                        TextInput::make('citta_studio')->label('Città')->maxLength(60),
                        TextInput::make('provincia_studio')->label('Provincia')->maxLength(5),
                        TextInput::make('telefono_studio')->label('Telefono')->maxLength(50),
                        TextInput::make('email_studio')->label('Email')->maxLength(255),
                        TextInput::make('pec_studio')->label('PEC')->maxLength(255),
                        Toggle::make('attivo')->label('Attivo'),
                        Toggle::make('abilita_import_stabili')->label('Abilita import stabili'),

                        Toggle::make('fe_cassetto_enabled')
                            ->label('Abilita servizio scarico Fatture (Cassetto Fiscale)')
                            ->helperText('Servizio a pagamento: abilita solo per gli amministratori autorizzati.'),

                        DatePicker::make('fe_cassetto_expires_at')
                            ->label('Scadenza servizio (opzionale)')
                            ->native(false)
                            ->displayFormat('d/m/Y')
                            ->nullable(),
                    ])
                    ->fillForm(fn(Amministratore $record): array => [
                        'user_id' => (int) $record->user_id,
                        'nome' => (string) ($record->nome ?? ''),
                        'cognome' => (string) ($record->cognome ?? ''),
                        'denominazione_studio' => (string) ($record->denominazione_studio ?? ''),
                        'partita_iva' => (string) ($record->partita_iva ?? ''),
                        'codice_fiscale_studio' => (string) ($record->codice_fiscale_studio ?? ''),
                        'indirizzo_studio' => (string) ($record->indirizzo_studio ?? ''),
                        'cap_studio' => (string) ($record->cap_studio ?? ''),
                        'citta_studio' => (string) ($record->citta_studio ?? ''),
                        'provincia_studio' => (string) ($record->provincia_studio ?? ''),
                        'telefono_studio' => (string) ($record->telefono_studio ?? ''),
                        'email_studio' => (string) ($record->email_studio ?? ''),
                        'pec_studio' => (string) ($record->pec_studio ?? ''),
                        'attivo' => (bool) ($record->attivo ?? true),
                        'abilita_import_stabili' => (bool) ($record->abilita_import_stabili ?? true),

                        'fe_cassetto_enabled' => (bool) ($record->fe_cassetto_enabled ?? false),
                        'fe_cassetto_expires_at' => $record->fe_cassetto_expires_at?->format('Y-m-d'),
                    ])
                    ->action(function (Amministratore $record, array $data): void {
                        $update = [
                            'user_id' => (int) ($data['user_id'] ?? 0),
                            'nome' => trim((string) ($data['nome'] ?? '')),
                            'cognome' => trim((string) ($data['cognome'] ?? '')),
                            'denominazione_studio' => (string) ($data['denominazione_studio'] ?? ''),
                            'partita_iva' => (string) ($data['partita_iva'] ?? ''),
                            'codice_fiscale_studio' => (string) ($data['codice_fiscale_studio'] ?? ''),
                            'indirizzo_studio' => (string) ($data['indirizzo_studio'] ?? ''),
                            'cap_studio' => (string) ($data['cap_studio'] ?? ''),
                            'citta_studio' => (string) ($data['citta_studio'] ?? ''),
                            'provincia_studio' => (string) ($data['provincia_studio'] ?? ''),
                            'telefono_studio' => (string) ($data['telefono_studio'] ?? ''),
                            'email_studio' => (string) ($data['email_studio'] ?? ''),
                            'pec_studio' => (string) ($data['pec_studio'] ?? ''),
                            'attivo' => (bool) ($data['attivo'] ?? true),
                            'abilita_import_stabili' => (bool) ($data['abilita_import_stabili'] ?? true),

                            'fe_cassetto_enabled' => (bool) ($data['fe_cassetto_enabled'] ?? false),
                            'fe_cassetto_expires_at' => $data['fe_cassetto_expires_at'] ?? null,
                        ];

                        $record->fill($update);
                        $record->save();

                        try {
                            $record->provisionArchiveIfMissing();
                        } catch (\Throwable) {
                        }
                    }),

                Action::make('delete')
                    ->label('Elimina')
                    ->icon('heroicon-o-trash')
                    ->color('danger')
                    ->requiresConfirmation()
                    ->action(function (Amministratore $record): void {
                        if ($record->stabili()->exists()) {
                            throw new \RuntimeException('Impossibile eliminare: ci sono stabili collegati.');
                        }
                        if ($record->fornitori()->exists()) {
                            throw new \RuntimeException('Impossibile eliminare: ci sono fornitori collegati.');
                        }
                        $record->delete();
                    }),
            ]);
    }
}