<?php

namespace App\Filament\Resources;

use App\Filament\Resources\PurchaseResource\Pages;
use App\Models\PackagePurchase;
use Filament\Actions\Action;
use Filament\Actions\BulkActionGroup;
use Filament\Actions\DeleteBulkAction;
use Filament\Actions\EditAction;
use Filament\Actions\ViewAction;
use Filament\Forms\Components\DateTimePicker;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\Toggle;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Columns\BadgeColumn;
use Filament\Tables\Columns\IconColumn;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Filters\Filter;
use Filament\Tables\Filters\SelectFilter;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use Illuminate\Support\Facades\Log;
use BackedEnum;
use UnitEnum;
class PurchaseResource extends Resource
{
    protected static ?string $model = PackagePurchase::class;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-shopping-cart';

    public static function getNavigationGroup(): string
    {
        return 'Billing & Finanzen';
    }

    protected static ?int $navigationSort = 10;

    public static function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Select::make('tenant_id')
                    ->label('Tenant')
                    ->relationship('tenant', 'name')
                    ->searchable()
                    ->preload()
                    ->nullable(),
                Select::make('event_id')
                    ->label('Event')
                    ->relationship('event', 'name')
                    ->searchable()
                    ->preload()
                    ->nullable(),
                Select::make('package_id')
                    ->label('Package')
                    ->relationship('package', 'name')
                    ->searchable()
                    ->preload()
                    ->required(),
                TextInput::make('provider_id')
                    ->label('Provider ID')
                    ->required()
                    ->maxLength(255),
                TextInput::make('price')
                    ->label('Price')
                    ->numeric()
                    ->step(0.01)
                    ->prefix('€')
                    ->required(),
                Select::make('type')
                    ->label('Type')
                    ->options([
                        'endcustomer_event' => 'Endcustomer Event',
                        'reseller_subscription' => 'Reseller Subscription',
                    ])
                    ->required(),
                Textarea::make('metadata')
                    ->label('Metadata')
                    ->json()
                    ->columnSpanFull(),
                Toggle::make('refunded')
                    ->label('Refunded')
                    ->default(false),
            ])
            ->columns(2);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                BadgeColumn::make('type')
                    ->label('Type')
                    ->color(fn (string $state): string => match($state) {
                        'endcustomer_event' => 'info',
                        'reseller_subscription' => 'success',
                        default => 'gray',
                    }),
                TextColumn::make('tenant.name')
                    ->label('Tenant')
                    ->searchable()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('event.name')
                    ->label('Event')
                    ->searchable()
                    ->toggleable(isToggledHiddenByDefault: true),
                TextColumn::make('package.name')
                    ->label('Package')
                    ->badge()
                    ->color('success'),
                TextColumn::make('price')
                    ->label('Price')
                    ->money('EUR')
                    ->sortable(),
                TextColumn::make('purchased_at')
                    ->dateTime()
                    ->sortable(),
                BadgeColumn::make('refunded')
                    ->label('Status')
                    ->color(fn (bool $state): string => $state ? 'danger' : 'success'),
                TextColumn::make('provider_id')
                    ->copyable()
                    ->toggleable(),
            ])
            ->filters([
                SelectFilter::make('type')
                    ->options([
                        'endcustomer_event' => 'Endcustomer Event',
                        'reseller_subscription' => 'Reseller Subscription',
                    ]),
                Filter::make('purchased_at')
                    ->form([
                        DateTimePicker::make('started_from'),
                        DateTimePicker::make('ended_before'),
                    ])
                    ->query(function (Builder $query, array $data): Builder {
                        return $query
                            ->when(
                                $data['started_from'],
                                fn (Builder $query, $date): Builder => $query->whereDate('purchased_at', '>=', $date),
                            )
                            ->when(
                                $data['ended_before'],
                                fn (Builder $query, $date): Builder => $query->whereDate('purchased_at', '<=', $date),
                            );
                    }),
                SelectFilter::make('tenant_id')
                    ->label('Tenant')
                    ->relationship('tenant', 'name')
                    ->searchable(),
            ])
            ->actions([
                ViewAction::make(),
                EditAction::make(),
                Action::make('refund')
                    ->label('Refund')
                    ->color('danger')
                    ->icon('heroicon-o-arrow-uturn-left')
                    ->requiresConfirmation()
                    ->visible(fn (PackagePurchase $record): bool => !$record->refunded)
                    ->action(function (PackagePurchase $record) {
                        $record->update(['refunded' => true]);
                        // TODO: Call Stripe/PayPal API for actual refund
                        Log::info('Refund processed for purchase ID: ' . $record->id);
                    }),
            ])
            ->bulkActions([
                BulkActionGroup::make([
                    DeleteBulkAction::make(),
                ]),
            ])
            ->emptyStateHeading('No Purchases Found')
            ->emptyStateDescription('Create your first purchase.');
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListPurchases::route('/'),
            'create' => Pages\CreatePurchase::route('/create'),
            'view' => Pages\ViewPurchase::route('/{record}'),
            'edit' => Pages\EditPurchase::route('/{record}/edit'),
        ];
    }

    public static function getRelations(): array
    {
        return [
            // Add RelationManagers if needed
        ];
    }
}