<?php

namespace Tests\Feature;

use App\Models\Dictionary\Area;
use App\Models\Dictionary\District;
use App\Models\File;
use App\Models\MafOrder;
use App\Models\ObjectType;
use App\Models\Order;
use App\Models\OrderStatus;
use App\Models\Product;
use App\Models\ProductSKU;
use App\Models\Role;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class OrderControllerTest extends TestCase
{
    use RefreshDatabase;

    protected $seed = true;

    private User $adminUser;
    private User $managerUser;
    private User $brigadierUser;

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

        $this->adminUser = User::factory()->create(['role' => Role::ADMIN]);
        $this->managerUser = User::factory()->create(['role' => Role::MANAGER]);
        $this->brigadierUser = User::factory()->create(['role' => Role::BRIGADIER]);
    }

    // ==================== Authentication ====================

    public function test_guest_cannot_access_orders_index(): void
    {
        $response = $this->get(route('order.index'));

        $response->assertRedirect(route('login'));
    }

    public function test_authenticated_user_can_access_orders_index(): void
    {
        $response = $this->actingAs($this->managerUser)
            ->get(route('order.index'));

        $response->assertStatus(200);
        $response->assertViewIs('orders.index');
    }

    // ==================== Index ====================

    public function test_orders_index_displays_orders(): void
    {
        $order = Order::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.index'));

        $response->assertStatus(200);
        $response->assertSee($order->object_address);
    }

    public function test_brigadier_sees_only_assigned_orders(): void
    {
        $assignedOrder = Order::factory()->create([
            'brigadier_id' => $this->brigadierUser->id,
        ]);

        $otherOrder = Order::factory()->create([
            'brigadier_id' => User::factory()->create(['role' => Role::BRIGADIER])->id,
        ]);

        $response = $this->actingAs($this->brigadierUser)
            ->get(route('order.index'));

        $response->assertStatus(200);
        $response->assertSee($assignedOrder->object_address);
        $response->assertDontSee($otherOrder->object_address);
    }

    // ==================== Create ====================

    public function test_can_view_create_order_form(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->get(route('order.create'));

        $response->assertStatus(200);
        $response->assertViewIs('orders.edit');
    }

    // ==================== Store ====================

    public function test_can_create_new_order(): void
    {
        $district = District::factory()->create();
        $area = Area::factory()->create();
        $objectType = ObjectType::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->post(route('order.store'), [
                'name' => 'Тестовый заказ',
                'user_id' => $this->managerUser->id,
                'district_id' => $district->id,
                'area_id' => $area->id,
                'object_address' => 'ул. Тестовая, д. 1',
                'object_type_id' => $objectType->id,
                'comment' => 'Тестовый комментарий',
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('orders', [
            'object_address' => 'ул. Тестовая, д. 1',
            'order_status_id' => Order::STATUS_NEW,
        ]);
    }

    public function test_creating_order_sets_tg_group_name(): void
    {
        $district = District::factory()->create(['shortname' => 'ЦАО']);
        $area = Area::factory()->create(['name' => 'Тверской']);
        $objectType = ObjectType::factory()->create();

        $this->actingAs($this->managerUser)
            ->post(route('order.store'), [
                'name' => 'Тестовый заказ',
                'user_id' => $this->managerUser->id,
                'district_id' => $district->id,
                'area_id' => $area->id,
                'object_address' => 'ул. Пушкина',
                'object_type_id' => $objectType->id,
            ]);

        $order = Order::where('object_address', 'ул. Пушкина')->first();
        $this->assertStringContainsString('ЦАО', $order->tg_group_name);
        $this->assertStringContainsString('Тверской', $order->tg_group_name);
    }

    public function test_can_update_existing_order(): void
    {
        $order = Order::factory()->create([
            'object_address' => 'Старый адрес',
        ]);

        $response = $this->actingAs($this->managerUser)
            ->post(route('order.store'), [
                'id' => $order->id,
                'name' => $order->name,
                'user_id' => $order->user_id,
                'district_id' => $order->district_id,
                'area_id' => $order->area_id,
                'object_address' => 'Новый адрес',
                'object_type_id' => $order->object_type_id,
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('orders', [
            'id' => $order->id,
            'object_address' => 'Новый адрес',
        ]);
    }

    // ==================== Show ====================

    public function test_can_view_order_details(): void
    {
        $order = Order::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.show', $order));

        $response->assertStatus(200);
        $response->assertViewIs('orders.show');
        $response->assertSee($order->object_address);
    }

    // ==================== Edit ====================

    public function test_can_view_edit_order_form(): void
    {
        $order = Order::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.edit', $order));

        $response->assertStatus(200);
        $response->assertViewIs('orders.edit');
    }

    // ==================== Destroy ====================

    public function test_can_delete_order(): void
    {
        $order = Order::factory()->create();
        $orderId = $order->id;

        $response = $this->actingAs($this->adminUser)
            ->delete(route('order.destroy', $order));

        $response->assertRedirect(route('order.index'));
        // Order uses SoftDeletes, so check deleted_at is set
        $this->assertSoftDeleted('orders', ['id' => $orderId]);
    }

    public function test_deleting_order_removes_related_product_skus(): void
    {
        $order = Order::factory()->create();
        $product = Product::factory()->create();
        $sku = ProductSKU::factory()->create([
            'order_id' => $order->id,
            'product_id' => $product->id,
        ]);

        $this->actingAs($this->adminUser)
            ->delete(route('order.destroy', $order));

        // ProductSKU uses SoftDeletes, so check deleted_at is set
        $this->assertSoftDeleted('products_sku', ['id' => $sku->id]);
    }

    // ==================== Search ====================

    public function test_search_returns_matching_orders(): void
    {
        $order = Order::factory()->create([
            'object_address' => 'ул. Уникальная Тестовая, д. 999',
        ]);

        $otherOrder = Order::factory()->create([
            'object_address' => 'ул. Другая, д. 1',
        ]);

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.index', ['s' => 'Уникальная Тестовая']));

        $response->assertStatus(200);
        $response->assertSee($order->object_address);
        $response->assertDontSee($otherOrder->object_address);
    }

    // ==================== MAF Operations ====================

    public function test_get_maf_to_order_assigns_available_maf(): void
    {
        $product = Product::factory()->create();
        $order = Order::factory()->create();

        $productSku = ProductSKU::factory()->create([
            'order_id' => $order->id,
            'product_id' => $product->id,
            'maf_order_id' => null,
            'status' => 'требуется',
        ]);

        $mafOrder = MafOrder::factory()->create([
            'product_id' => $product->id,
            'in_stock' => 5,
        ]);

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->get(route('order.get-maf', $order));

        $response->assertRedirect(route('order.show', $order));

        $productSku->refresh();
        $this->assertEquals($mafOrder->id, $productSku->maf_order_id);
        $this->assertEquals('отгружен', $productSku->status);

        $mafOrder->refresh();
        $this->assertEquals(4, $mafOrder->in_stock);
    }

    public function test_revert_maf_returns_maf_to_stock(): void
    {
        $product = Product::factory()->create();
        $order = Order::factory()->create();

        $mafOrder = MafOrder::factory()->create([
            'product_id' => $product->id,
            'in_stock' => 3,
        ]);

        $productSku = ProductSKU::factory()->create([
            'order_id' => $order->id,
            'product_id' => $product->id,
            'maf_order_id' => $mafOrder->id,
            'status' => 'отгружен',
        ]);

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->get(route('order.revert-maf', $order));

        $response->assertRedirect(route('order.show', $order));

        $productSku->refresh();
        $this->assertNull($productSku->maf_order_id);
        $this->assertEquals('требуется', $productSku->status);

        $mafOrder->refresh();
        $this->assertEquals(4, $mafOrder->in_stock);
    }

    public function test_move_maf_transfers_sku_to_another_order(): void
    {
        $product = Product::factory()->create();
        $order1 = Order::factory()->create();
        $order2 = Order::factory()->create();

        $productSku = ProductSKU::factory()->create([
            'order_id' => $order1->id,
            'product_id' => $product->id,
        ]);

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->post(route('order.move-maf'), [
                'new_order_id' => $order2->id,
                'ids' => json_encode([$productSku->id]),
            ]);

        $response->assertStatus(200);
        $response->assertJson(['success' => true]);

        $productSku->refresh();
        $this->assertEquals($order2->id, $productSku->order_id);
    }

    // ==================== Photo Management ====================

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

        $order = Order::factory()->create();
        // Use create() instead of image() to avoid GD extension requirement
        $photo = UploadedFile::fake()->create('photo.jpg', 100, 'image/jpeg');

        $response = $this->actingAs($this->managerUser)
            ->post(route('order.upload-photo', $order), [
                'photo' => [$photo],
            ]);

        $response->assertRedirect(route('order.show', $order));
        $this->assertCount(1, $order->fresh()->photos);
    }

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

        $order = Order::factory()->create();
        $file = File::factory()->create();
        $order->photos()->attach($file);

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->delete(route('order.delete-photo', [$order, $file]));

        $response->assertRedirect(route('order.show', $order));
        $this->assertCount(0, $order->fresh()->photos);
    }

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

        $order = Order::factory()->create();
        $files = File::factory()->count(3)->create();
        $order->photos()->attach($files->pluck('id'));

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->delete(route('order.delete-all-photos', $order));

        $response->assertRedirect(route('order.show', $order));
        $this->assertCount(0, $order->fresh()->photos);
    }

    // ==================== Document Management ====================

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

        $order = Order::factory()->create();
        $document = UploadedFile::fake()->create('document.pdf', 100);

        $response = $this->actingAs($this->managerUser)
            ->post(route('order.upload-document', $order), [
                'document' => [$document],
            ]);

        $response->assertRedirect(route('order.show', $order));
        $this->assertCount(1, $order->fresh()->documents);
    }

    public function test_upload_document_limits_to_5_files(): void
    {
        Storage::fake('public');

        $order = Order::factory()->create();
        $documents = [];
        for ($i = 0; $i < 7; $i++) {
            $documents[] = UploadedFile::fake()->create("document{$i}.pdf", 100);
        }

        $this->actingAs($this->managerUser)
            ->post(route('order.upload-document', $order), [
                'document' => $documents,
            ]);

        $this->assertCount(5, $order->fresh()->documents);
    }

    // ==================== Generation ====================

    public function test_generate_installation_pack_requires_correct_status(): void
    {
        $order = Order::factory()->create([
            'order_status_id' => Order::STATUS_NEW,
        ]);

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.generate-installation-pack', $order));

        $response->assertRedirect(route('order.show', $order));
        $response->assertSessionHas('danger');
    }

    public function test_generate_installation_pack_succeeds_with_correct_status(): void
    {
        $product = Product::factory()->create();
        $mafOrder = MafOrder::factory()->create(['product_id' => $product->id]);

        $order = Order::factory()->create([
            'order_status_id' => Order::STATUS_READY_TO_MOUNT,
        ]);

        // Create SKU with MAF assigned
        ProductSKU::factory()->create([
            'order_id' => $order->id,
            'product_id' => $product->id,
            'maf_order_id' => $mafOrder->id,
        ]);

        $response = $this->actingAs($this->managerUser)
            ->get(route('order.generate-installation-pack', $order));

        $response->assertRedirect(route('order.show', $order));
        $response->assertSessionHas('success');
    }

    // ==================== Export ====================

    public function test_can_export_orders(): void
    {
        Order::factory()->count(3)->create();

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->post(route('order.export'));

        $response->assertRedirect(route('order.index'));
        $response->assertSessionHas('success');
    }

    public function test_can_export_single_order(): void
    {
        $order = Order::factory()->create();

        // This route requires admin role
        $response = $this->actingAs($this->adminUser)
            ->post(route('order.export-one', $order));

        $response->assertRedirect(route('order.show', $order));
        $response->assertSessionHas('success');
    }
}