<?php

namespace App\Filament\Widgets;

use App\Services\ExchangeRateService;
use Filament\Widgets\StatsOverviewWidget as BaseWidget;
use Filament\Widgets\StatsOverviewWidget\Stat;
use App\Models\ExchangeRateHistory;

class ExchangeRateWidget extends BaseWidget
{
    protected static ?int $sort = 2;
    protected static bool $isLazy = false;
    
    protected int | string | array $columnSpan = 'full';

    protected function getStats(): array
    {
        $service = app(ExchangeRateService::class);
        $aedInfo = $service->getLatestRateInfo('AED', 'IRR');
        $usdInfo = $service->getLatestRateInfo('USD', 'IRR');
        
        $aedChangePercent = $aedInfo['change_percent'];
        $usdChangePercent = $usdInfo['change_percent'];
        
        // ✅ استفاده از متد جدید getRateChart (بدون scope)
        $aedChart = $service->getRateChart('AED', 'IRR', 7);
        $usdChart = $service->getRateChart('USD', 'IRR', 7);

        return [
            Stat::make('نرخ درهم (AED)', number_format($aedInfo['current_rate']) . ' ریال')
                ->description($aedChangePercent !== null 
                    ? 'تغییر: ' . number_format($aedChangePercent, 2) . '% — توسط ' . ($aedInfo['changed_by'] ?? 'سیستم')
                    : 'آخرین تغییر: ' . ($aedInfo['last_updated']?->format('Y/m/d H:i') ?? '—'))
                ->descriptionIcon(
                    $aedChangePercent > 0 ? 'heroicon-m-arrow-trending-up' :
                    ($aedChangePercent < 0 ? 'heroicon-m-arrow-trending-down' : 'heroicon-m-minus')
                )
                ->color(
                    $aedChangePercent > 0 ? 'danger' :
                    ($aedChangePercent < 0 ? 'success' : 'gray')
                )
                ->chart(!empty($aedChart) ? $aedChart : [0]),
            
            Stat::make('نرخ دلار (USD)', number_format($usdInfo['current_rate']) . ' ریال')
                ->description($usdChangePercent !== null 
                    ? 'تغییر: ' . number_format($usdChangePercent, 2) . '% — توسط ' . ($usdInfo['changed_by'] ?? 'سیستم')
                    : 'آخرین تغییر: ' . ($usdInfo['last_updated']?->format('Y/m/d H:i') ?? '—'))
                ->descriptionIcon(
                    $usdChangePercent > 0 ? 'heroicon-m-arrow-trending-up' :
                    ($usdChangePercent < 0 ? 'heroicon-m-arrow-trending-down' : 'heroicon-m-minus')
                )
                ->color(
                    $usdChangePercent > 0 ? 'danger' :
                    ($usdChangePercent < 0 ? 'success' : 'gray')
                )
                ->chart(!empty($usdChart) ? $usdChart : [0]),
            
            Stat::make('تغییرات امروز', 
                ExchangeRateHistory::whereDate('created_at', today())->count()
            )
                ->description('تغییرات نرخ ثبت‌شده در امروز')
                ->descriptionIcon('heroicon-m-arrow-path')
                ->color('info'),
        ];
    }
}