<?php

namespace App\Filament\Resources;

use App\Filament\Resources\PreventivoResource\Pages;
use App\Filament\Resources\PreventivoResource\RelationManagers\ItemsRelationManager;
use App\Models\Preventivo;
use App\Support\PreventivoPdf;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Infolists;
use Filament\Infolists\Infolist;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Support\Facades\Storage;

class PreventivoResource extends Resource
{
    protected static ?string $model = Preventivo::class;

    protected static ?string $navigationIcon = 'heroicon-o-document-text';

    protected static ?string $navigationLabel = 'Preventivi';

    protected static ?string $modelLabel = 'preventivo';

    protected static ?string $pluralModelLabel = 'preventivi';

    protected static ?int $navigationSort = 1;

    public static function getNavigationBadge(): ?string
    {
        return (string) static::getModel()::where('stato', 'inviato')->count();
    }

    public static function form(Form $form): Form
    {
        return $form->schema([
            Forms\Components\Select::make('stato')
                ->label('Stato')
                ->options(Preventivo::STATI)
                ->required(),
            Forms\Components\Select::make('cliente_id')
                ->label('Cliente')
                ->relationship('cliente', 'nome')
                ->searchable()
                ->preload(),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->defaultSort('created_at', 'desc')
            ->columns([
                Tables\Columns\TextColumn::make('numero')
                    ->label('N.')
                    ->sortable()
                    ->placeholder('—'),
                Tables\Columns\TextColumn::make('cliente.nominativo')
                    ->label('Cliente')
                    ->searchable(['nome', 'cognome', 'ragione_sociale'])
                    ->placeholder('—'),
                Tables\Columns\TextColumn::make('cliente.email')
                    ->label('Email')
                    ->searchable()
                    ->toggleable()
                    ->placeholder('—'),
                Tables\Columns\TextColumn::make('items_count')
                    ->label('Prodotti')
                    ->counts('items'),
                Tables\Columns\TextColumn::make('totale')
                    ->label('Totale')
                    ->money('EUR')
                    ->sortable(),
                Tables\Columns\TextColumn::make('stato')
                    ->label('Stato')
                    ->badge()
                    ->formatStateUsing(fn (string $state) => Preventivo::STATI[$state] ?? $state)
                    ->color(fn (string $state) => match ($state) {
                        'bozza' => 'gray',
                        'inviato' => 'warning',
                        'in_lavorazione' => 'info',
                        'chiuso' => 'success',
                        default => 'gray',
                    }),
                Tables\Columns\TextColumn::make('created_at')
                    ->label('Data')
                    ->dateTime('d/m/Y H:i')
                    ->sortable(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('stato')
                    ->label('Stato')
                    ->options(Preventivo::STATI),
            ])
            ->actions([
                Tables\Actions\ViewAction::make(),
                Tables\Actions\Action::make('pdf')
                    ->label('PDF')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->visible(fn (Preventivo $record) => $record->stato !== 'bozza')
                    ->action(function (Preventivo $record) {
                        if (! $record->pdf_path || ! Storage::disk('local')->exists($record->pdf_path)) {
                            $record->pdf_path = PreventivoPdf::genera($record);
                            $record->save();
                        }

                        return Storage::disk('local')->download(
                            $record->pdf_path,
                            'preventivo-'.$record->numero.'.pdf'
                        );
                    }),
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

    public static function infolist(Infolist $infolist): Infolist
    {
        return $infolist->schema([
            Infolists\Components\Section::make('Preventivo')
                ->columns(3)
                ->schema([
                    Infolists\Components\TextEntry::make('numero')->label('Numero')->placeholder('—'),
                    Infolists\Components\TextEntry::make('stato')
                        ->label('Stato')
                        ->badge()
                        ->formatStateUsing(fn (string $state) => Preventivo::STATI[$state] ?? $state),
                    Infolists\Components\TextEntry::make('totale')->label('Totale')->money('EUR'),
                    Infolists\Components\TextEntry::make('confirmed_at')->label('Confermato il')->dateTime('d/m/Y H:i')->placeholder('—'),
                    Infolists\Components\TextEntry::make('created_at')->label('Creato il')->dateTime('d/m/Y H:i'),
                ]),
            Infolists\Components\Section::make('Cliente')
                ->columns(3)
                ->visible(fn (Preventivo $record) => $record->cliente !== null)
                ->schema([
                    Infolists\Components\TextEntry::make('cliente.nominativo')->label('Nominativo'),
                    Infolists\Components\TextEntry::make('cliente.email')->label('Email')->copyable(),
                    Infolists\Components\TextEntry::make('cliente.telefono')->label('Telefono')->placeholder('—'),
                    Infolists\Components\TextEntry::make('cliente.indirizzo')->label('Indirizzo')->placeholder('—'),
                    Infolists\Components\TextEntry::make('cliente.cap')->label('CAP')->placeholder('—'),
                    Infolists\Components\TextEntry::make('cliente.citta')->label('Città')->placeholder('—'),
                    Infolists\Components\TextEntry::make('cliente.provincia')->label('Provincia')->placeholder('—'),
                    Infolists\Components\TextEntry::make('cliente.note')->label('Note')->columnSpanFull()->placeholder('—'),
                ]),
        ]);
    }

    public static function getRelations(): array
    {
        return [
            ItemsRelationManager::class,
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListPreventivos::route('/'),
            'view' => Pages\ViewPreventivo::route('/{record}'),
            'edit' => Pages\EditPreventivo::route('/{record}/edit'),
        ];
    }
}