Fix coupon infolist enum formatting

app/Filament/Resources/Coupons/Schemas/CouponInfolist.php

@@ -2,9 +2,11 @@
 
 namespace App\Filament\Resources\Coupons\Schemas;
 
+use App\Enums\CouponStatus;
+use App\Enums\CouponType;
 use Filament\Infolists\Components\KeyValueEntry;
-use Filament\Infolists\Components\Section;
 use Filament\Infolists\Components\TextEntry;
+use Filament\Schemas\Components\Section;
 use Filament\Schemas\Schema;
 use Illuminate\Support\Str;
 
@@ -22,11 +24,11 @@ class CouponInfolist
                         TextEntry::make('status')
                             ->label(__('Status'))
                             ->badge()
-                            ->formatStateUsing(fn ($state) => Str::headline($state)),
+                            ->formatStateUsing(fn ($state) => static::formatEnumState($state)),
                         TextEntry::make('type')
                             ->label(__('Discount type'))
                             ->badge()
-                            ->formatStateUsing(fn ($state) => Str::headline($state)),
+                            ->formatStateUsing(fn ($state) => static::formatEnumState($state)),
                         TextEntry::make('amount')
                             ->label(__('Amount'))
                             ->formatStateUsing(fn ($state, $record) => $record?->type?->value === 'percentage'
@@ -78,4 +80,21 @@ class CouponInfolist
                     ]),
             ]);
     }
+
+    public static function formatEnumState(mixed $state): string
+    {
+        if ($state instanceof CouponType || $state instanceof CouponStatus) {
+            return $state->label();
+        }
+
+        if ($state instanceof \BackedEnum) {
+            return Str::headline($state->value);
+        }
+
+        if (is_string($state)) {
+            return Str::headline($state);
+        }
+
+        return '';
+    }
 }

tests/Unit/CouponInfolistTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Enums\CouponStatus;
+use App\Enums\CouponType;
+use App\Filament\Resources\Coupons\Schemas\CouponInfolist;
+use Tests\TestCase;
+
+class CouponInfolistTest extends TestCase
+{
+    public function test_it_formats_enum_states(): void
+    {
+        $this->assertSame(CouponType::PERCENTAGE->label(), CouponInfolist::formatEnumState(CouponType::PERCENTAGE));
+        $this->assertSame(CouponStatus::ACTIVE->label(), CouponInfolist::formatEnumState(CouponStatus::ACTIVE));
+        $this->assertSame('Flat', CouponInfolist::formatEnumState('flat'));
+        $this->assertSame('', CouponInfolist::formatEnumState(null));
+    }
+}