<?php

namespace App\Filament\Resources;

use App\Filament\Resources\TenantResource\Pages;
use App\Models\Tenant;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Filament\Actions;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Schemas\Schema;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Forms\Components\KeyValue;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\DateTimePicker;
use Filament\Tables\Columns\IconColumn;
use App\Filament\Resources\TenantResource\RelationManagers\PurchasesRelationManager;
use Filament\Resources\RelationManagers\RelationGroup;
use UnitEnum;
use BackedEnum;

class TenantResource extends Resource
{
    protected static ?string $model = Tenant::class;
    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-building-office';
    protected static UnitEnum|string|null $navigationGroup = null;

    public static function getNavigationGroup(): UnitEnum|string|null
    {
        return __('admin.nav.platform');
    }
    protected static ?int $navigationSort = 10;

    public static function form(Schema $form): Schema
    {
        return $form->schema([
            TextInput::make('name')
                ->label(__('admin.tenants.fields.name'))
                ->required()
                ->maxLength(255),
            TextInput::make('slug')
                ->label(__('admin.tenants.fields.slug'))
                ->required()
                ->unique(ignoreRecord: true)
                ->maxLength(255),
            TextInput::make('contact_email')
                ->label(__('admin.tenants.fields.contact_email'))
                ->email()
                ->required()
                ->maxLength(255),
            TextInput::make('event_credits_balance')
                ->label(__('admin.tenants.fields.event_credits_balance'))
                ->numeric()
                ->default(0),
            Select::make('subscription_tier')
                ->label(__('admin.tenants.fields.subscription_tier'))
                ->options([
                    'free' => 'Free',
                    'starter' => 'Starter (€4.99/mo)',
                    'pro' => 'Pro (€14.99/mo)',
                    'agency' => 'Agency (€19.99/mo)',
                    'lifetime' => 'Lifetime (€49.99)'
                ])
                ->default('free'),
            DateTimePicker::make('subscription_expires_at')
                ->label(__('admin.tenants.fields.subscription_expires_at')),
            TextInput::make('total_revenue')
                ->label(__('admin.tenants.fields.total_revenue'))
                ->money('EUR')
                ->readOnly(),
            Toggle::make('is_active')
                ->label(__('admin.tenants.fields.is_active'))
                ->default(true),
            Toggle::make('is_suspended')
                ->label(__('admin.tenants.fields.is_suspended'))
                ->default(false),
            KeyValue::make('features')
                ->label(__('admin.tenants.fields.features'))
                ->keyLabel(__('admin.common.key'))
                ->valueLabel(__('admin.common.value')),
        ])->columns(2);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')->sortable(),
                Tables\Columns\TextColumn::make('name')->searchable()->sortable(),
                Tables\Columns\TextColumn::make('slug')->searchable(),
                Tables\Columns\TextColumn::make('contact_email'),
                Tables\Columns\TextColumn::make('event_credits_balance')
                    ->label(__('admin.common.credits'))
                    ->badge()
                    ->color(fn ($state) => $state < 5 ? 'warning' : 'success'),
                Tables\Columns\TextColumn::make('subscription_tier')
                    ->badge()
                    ->color(fn (string $state): string => match($state) {
                        'free' => 'gray',
                        'starter' => 'info',
                        'pro' => 'success',
                        'agency' => 'warning',
                        'lifetime' => 'danger',
                    }),
                Tables\Columns\TextColumn::make('total_revenue')
                    ->money('EUR')
                    ->sortable(),
                Tables\Columns\IconColumn::make('is_active')
                    ->boolean()
                    ->color(fn (bool $state): string => $state ? 'success' : 'danger'),
                Tables\Columns\TextColumn::make('last_activity_at')->since()->label(__('admin.common.last_activity')),
                Tables\Columns\TextColumn::make('created_at')->dateTime()->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([])
            ->actions([
                Actions\EditAction::make(),
                Actions\Action::make('add_credits')
                    ->label('Credits hinzufügen')
                    ->icon('heroicon-o-plus')
                    ->form([
                        Forms\Components\TextInput::make('credits')->numeric()->required()->minValue(1),
                        Forms\Components\Textarea::make('reason')->label('Grund')->rows(3),
                    ])
                    ->action(function (Tenant $record, array $data) {
                        $record->increment('event_credits_balance', $data['credits']);
                        \App\Models\EventPurchase::create([
                            'tenant_id' => $record->id,
                            'package_id' => 'manual_adjustment',
                            'credits_added' => $data['credits'],
                            'price' => 0,
                            'platform' => 'manual',
                            'transaction_id' => null,
                            'reason' => $data['reason'],
                        ]);
                    }),
                Actions\Action::make('suspend')
                    ->label('Suspendieren')
                    ->color('danger')
                    ->requiresConfirmation()
                    ->action(fn (Tenant $record) => $record->update(['is_suspended' => true])),
                Actions\Action::make('export')
                    ->label('Daten exportieren')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->url(fn (Tenant $record) => route('admin.tenants.export', $record))
                    ->openUrlInNewTab(),
            ])
            ->bulkActions([
                Actions\DeleteBulkAction::make(),
            ]);
    }

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