<?php

namespace App\Filament\Resources;

use App\Filament\Resources\WalletTransactionResource\Pages;
use App\Models\WalletTransaction;
use App\Enums\TransactionType;
use App\Enums\TransactionStatus;
use App\Enums\PaymentGateway;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Filament\Tables\Actions\Action;

class WalletTransactionResource extends Resource
{
    protected static ?string $model = WalletTransaction::class;

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

    protected static ?string $navigationLabel = 'تراکنش‌های کیف پول';
    protected static ?string $navigationGroup = 'مالی';
    protected static ?int $navigationSort = 2;

    protected static ?string $modelLabel = 'تراکنش';
    protected static ?string $pluralModelLabel = 'تراکنش‌ها';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Section::make('اطلاعات تراکنش')
                    ->schema([
                        Forms\Components\Select::make('wallet_id')
                            ->relationship('wallet', 'id')
                            ->required()
                            ->searchable()
                            ->preload()
                            ->label('کیف پول'),
                        Forms\Components\Select::make('type')
                            ->options(collect(TransactionType::cases())->mapWithKeys(
                                fn($case) => [$case->value => $case->label()]
                            ))
                            ->required()
                            ->label('نوع تراکنش'),
                        Forms\Components\TextInput::make('amount')
                            ->required()
                            ->numeric()
                            ->prefix('ریال')
                            ->label('مبلغ'),
                        Forms\Components\Select::make('status')
                            ->options(collect(TransactionStatus::cases())->mapWithKeys(
                                fn($case) => [$case->value => $case->label()]
                            ))
                            ->default(TransactionStatus::PENDING->value)
                            ->required()
                            ->label('وضعیت'),
                        Forms\Components\Select::make('gateway')
                            ->options(collect(PaymentGateway::cases())->mapWithKeys(
                                fn($case) => [$case->value => $case->label()]
                            ))
                            ->label('درگاه پرداخت'),
                        Forms\Components\TextInput::make('gateway_reference_id')
                            ->label('کد پیگیری درگاه'),
                        Forms\Components\Textarea::make('description')
                            ->label('توضیحات')
                            ->columnSpanFull(),
                        Forms\Components\Textarea::make('admin_notes')
                            ->label('یادداشت ادمین')
                            ->columnSpanFull(),
                    ])->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('شناسه')
                    ->sortable()
                    ->searchable(),
                Tables\Columns\TextColumn::make('wallet.user.name')
                    ->label('کاربر')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('type')
                    ->badge()
                    ->color(fn (TransactionType $state): string => $state->color())
                    ->formatStateUsing(fn (TransactionType $state): string => $state->label())
                    ->label('نوع'),
                Tables\Columns\TextColumn::make('amount')
                    ->money('IRR')
                    ->sortable()
                    ->label('مبلغ'),
                Tables\Columns\TextColumn::make('status')
                    ->badge()
                    ->color(fn (TransactionStatus $state): string => $state->color())
                    ->formatStateUsing(fn (TransactionStatus $state): string => $state->label())
                    ->label('وضعیت'),
                Tables\Columns\TextColumn::make('gateway')
                    ->badge()
                    ->color('info')
                    ->label('درگاه'),
                Tables\Columns\TextColumn::make('gateway_reference_id')
                    ->label('کد پیگیری')
                    ->searchable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('description')
                    ->label('توضیحات')
                    ->limit(50)
                    ->toggleable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime('Y/m/d H:i')
                    ->sortable()
                    ->label('تاریخ'),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('type')
                    ->options(collect(TransactionType::cases())->mapWithKeys(
                        fn($case) => [$case->value => $case->label()]
                    ))
                    ->label('نوع تراکنش'),
                
                Tables\Filters\SelectFilter::make('status')
                    ->options(collect(TransactionStatus::cases())->mapWithKeys(
                        fn($case) => [$case->value => $case->label()]
                    ))
                    ->label('وضعیت'),
                
                Tables\Filters\SelectFilter::make('gateway')
                    ->options(collect(PaymentGateway::cases())->mapWithKeys(
                        fn($case) => [$case->value => $case->label()]
                    ))
                    ->label('درگاه'),
                
                Tables\Filters\Filter::make('created_at')
                    ->form([
                        Forms\Components\DatePicker::make('created_from')->label('از تاریخ'),
                        Forms\Components\DatePicker::make('created_until')->label('تا تاریخ'),
                    ])
                    ->query(function ($query, array $data) {
                        return $query
                            ->when($data['created_from'], fn($q, $date) => $q->whereDate('created_at', '>=', $date))
                            ->when($data['created_until'], fn($q, $date) => $q->whereDate('created_at', '<=', $date));
                    }),
            ])
            ->actions([
                Tables\Actions\ViewAction::make(),
                Tables\Actions\EditAction::make(),
            ])
            ->headerActions([
                        Action::make('exportCsv')
            ->label('خروجی CSV')
            ->icon('heroicon-o-arrow-down-tray')
            ->color('success')
            ->action(function () {
                return response()->streamDownload(function () {
                    $csv = fopen('php://output', 'w');
                    fwrite($csv, "\xEF\xBB\xBF");
                    
                    fputcsv($csv, [
                        'شناسه', 'کاربر', 'ایمیل', 'نوع تراکنش', 'مبلغ (ریال)',
                        'وضعیت', 'درگاه', 'کد پیگیری', 'توضیحات', 'یادداشت ادمین', 'تاریخ'
                    ]);
                    
                    WalletTransaction::query()
                        ->with(['wallet.user'])
                        ->orderBy('created_at', 'desc')
                        ->chunk(500, function ($transactions) use ($csv) {
                            foreach ($transactions as $t) {
                                fputcsv($csv, [
                                    $t->id,
                                    $t->wallet?->user?->name ?? '',
                                    $t->wallet?->user?->email ?? '',
                                    $t->type?->label() ?? '',
                                    $t->amount,
                                    $t->status?->label() ?? '',
                                    $t->gateway?->label() ?? '',
                                    $t->gateway_reference_id ?? '',
                                    $t->description ?? '',
                                    $t->admin_notes ?? '',
                                    $t->created_at?->format('Y-m-d H:i:s'),
                                ]);
                            }
                        });
                    
                    fclose($csv);
                }, 'wallet-transactions_' . now()->format('Y-m-d_H-i') . '.csv', [
                    'Content-Type' => 'text/csv; charset=UTF-8',
                ]);
            }),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->defaultSort('created_at', 'desc');
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListWalletTransactions::route('/'),
            'create' => Pages\CreateWalletTransaction::route('/create'),
            'view' => Pages\ViewWalletTransaction::route('/{record}'),
            'edit' => Pages\EditWalletTransaction::route('/{record}/edit'),
        ];
    }
}