<?php

namespace Modules\MaterialLogistics\Http\Controllers {
    /**
     * Namespaced function override to mock extension_loaded for fileinfo.
     */
    function extension_loaded($name) {
        if ($name === 'fileinfo' && isset($GLOBALS['mock_fileinfo_disabled']) && $GLOBALS['mock_fileinfo_disabled'] === true) {
            return false;
        }
        return \extension_loaded($name);
    }
}

namespace Tests\Feature {

    use App\Models\User;
    use Illuminate\Foundation\Testing\RefreshDatabase;
    use Illuminate\Http\UploadedFile;
    use Illuminate\Support\Facades\Storage;
    use Modules\MaterialLogistics\Models\PurchaseOrder;
    use Modules\MaterialLogistics\Models\Warehouse;
    use Spatie\Permission\Models\Role;
    use Tests\TestCase;

    class PurchaseOrderReceiptUploadTest extends TestCase
    {
        use RefreshDatabase;

        protected User $user;
        protected PurchaseOrder $purchaseOrder;

        protected function setUp(): void
        {
            parent::setUp();

            // Create admin user
            $this->user = User::factory()->create([
                'status' => 'active',
                'user_type' => 'admin',
            ]);

            // Create required permission and assign to user
            \Spatie\Permission\Models\Permission::firstOrCreate(['name' => 'inventory.access']);
            $this->user->givePermissionTo('inventory.access');

            // Create target warehouse
            $warehouse = Warehouse::create([
                'name' => 'Main Storage Warehouse',
                'code' => 'WH-TEST-01',
                'address' => 'Test Location',
                'type' => 'main',
                'status' => 'active',
            ]);

            // Create approved PO
            $this->purchaseOrder = PurchaseOrder::create([
                'document_number' => 'PO-2026-0001',
                'supplier' => 'Acme Supplies',
                'status' => 'approved',
                'payment_status' => 'unpaid',
                'target_warehouse_id' => $warehouse->id,
                'requested_by' => $this->user->id,
            ]);

            // Reset fileinfo mock global
            unset($GLOBALS['mock_fileinfo_disabled']);
        }

        protected function tearDown(): void
        {
            unset($GLOBALS['mock_fileinfo_disabled']);
            parent::tearDown();
        }

        public function test_can_upload_receipt_and_mark_po_as_paid_with_fileinfo(): void
        {
            Storage::fake('public');

            $file = UploadedFile::fake()->create('receipt.pdf', 500, 'application/pdf');

            $response = $this->actingAs($this->user)
                ->from(route('purchase-orders.show', $this->purchaseOrder))
                ->post(route('purchase-orders.pay', $this->purchaseOrder), [
                    'receipt' => $file,
                ]);

            $response->assertRedirect(route('purchase-orders.show', $this->purchaseOrder));
            $response->assertSessionHas('success');

            $this->purchaseOrder->refresh();
            $this->assertEquals('paid', $this->purchaseOrder->payment_status->value);
            $this->assertNotNull($this->purchaseOrder->receipt_path);
            $this->assertEquals('receipt.pdf', $this->purchaseOrder->receipt_original_name);

            // Assert file exists on storage
            Storage::disk('public')->assertExists($this->purchaseOrder->receipt_path);
        }

        public function test_can_upload_receipt_and_mark_po_as_paid_without_fileinfo(): void
        {
            // Enable fileinfo missing mock
            $GLOBALS['mock_fileinfo_disabled'] = true;

            Storage::fake('public');

            $file = UploadedFile::fake()->create('receipt.pdf', 500, 'application/pdf');

            $response = $this->actingAs($this->user)
                ->from(route('purchase-orders.show', $this->purchaseOrder))
                ->post(route('purchase-orders.pay', $this->purchaseOrder), [
                    'receipt' => $file,
                ]);

            $response->assertRedirect(route('purchase-orders.show', $this->purchaseOrder));
            $response->assertSessionHas('success');

            $this->purchaseOrder->refresh();
            $this->assertEquals('paid', $this->purchaseOrder->payment_status->value);
            $this->assertNotNull($this->purchaseOrder->receipt_path);
            $this->assertEquals('receipt.pdf', $this->purchaseOrder->receipt_original_name);

            // Assert file exists on storage
            Storage::disk('public')->assertExists($this->purchaseOrder->receipt_path);
        }

        public function test_rejects_invalid_mime_type_extension_without_fileinfo(): void
        {
            $GLOBALS['mock_fileinfo_disabled'] = true;

            $file = UploadedFile::fake()->create('receipt.txt', 10, 'text/plain');

            $response = $this->actingAs($this->user)
                ->from(route('purchase-orders.show', $this->purchaseOrder))
                ->post(route('purchase-orders.pay', $this->purchaseOrder), [
                    'receipt' => $file,
                ]);

            $response->assertSessionHasErrors('receipt');
            $this->assertEquals('unpaid', $this->purchaseOrder->refresh()->payment_status->value);
        }
    }
}