<?php

declare(strict_types=1);

namespace Tests\Feature;

use App\Jobs\Import\ImportJob;
use App\Models\CommonCatalogItem;
use App\Models\Role;
use App\Models\StockMovement;
use App\Models\StockOrder;
use App\Models\StockReservation;
use App\Models\User;
use App\Services\StockInventoryService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Bus;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class StockControllerTest extends TestCase
{
    use RefreshDatabase;

    protected bool $seed = true;

    private User $admin;

    private User $manager;

    private User $assistant;

    private StockInventoryService $inventory;

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

        $this->admin = User::factory()->create(['role' => Role::ADMIN]);
        $this->manager = User::factory()->create(['role' => Role::MANAGER]);
        $this->assistant = User::factory()->create(['role' => Role::ASSISTANT_HEAD]);
        $this->inventory = app(StockInventoryService::class);
    }

    public function test_guest_cannot_open_stock(): void
    {
        $this->get(route('stock.index'))->assertRedirect(route('login'));
    }

    public function test_availability_is_year_independent_and_visible_to_regular_users(): void
    {
        $item = CommonCatalogItem::factory()->create(['article' => 'STOCK-001']);
        $this->createOrder($item, 'A-1', 4);

        $this->actingAs($this->manager)
            ->withSession(['year' => 2019])
            ->get(route('stock.index'))
            ->assertOk()
            ->assertViewIs('stock.index')
            ->assertSeeText('Склад')
            ->assertDontSeeText('Склад наличие')
            ->assertSeeText('STOCK-001');
    }

    public function test_orders_are_available_only_to_admin_and_assistant_head(): void
    {
        $this->actingAs($this->manager)->get(route('stock.orders'))->assertForbidden();
        $this->actingAs($this->admin)->get(route('stock.orders'))->assertOk();
        $this->actingAs($this->assistant)->get(route('stock.orders'))->assertOk();
    }

    public function test_admin_can_create_order_linked_to_common_catalog(): void
    {
        $item = CommonCatalogItem::factory()->create();

        $this->actingAs($this->admin)->post(route('stock.orders.store'), [
            'common_catalog_item_id' => $item->id,
            'order_number' => 'WH-100',
            'status' => StockOrder::STATUS_IN_STOCK,
            'ordered_quantity' => 8,
            'note' => 'Первая партия',
        ])->assertRedirect();

        $this->assertDatabaseHas('stock_orders', [
            'common_catalog_item_id' => $item->id,
            'order_number' => 'WH-100',
            'available_quantity' => 8,
        ]);
        $this->assertDatabaseHas('stock_movements', [
            'common_catalog_item_id' => $item->id,
            'movement_type' => StockMovement::TYPE_RECEIPT,
            'quantity' => 8,
        ]);
    }

    public function test_ordered_status_does_not_increase_physical_stock_until_receipt(): void
    {
        $item = CommonCatalogItem::factory()->create();
        $order = $this->createOrder($item, 'WH-ORDERED', 9, StockOrder::STATUS_ORDERED);

        $this->assertSame([
            'physical' => 0,
            'reserved' => 0,
            'available' => 0,
            'ordered' => 9,
        ], $this->inventory->summary($item));

        $this->actingAs($this->admin)->put(route('stock.orders.update', $order), [
            'common_catalog_item_id' => $item->id,
            'order_number' => $order->order_number,
            'status' => StockOrder::STATUS_IN_STOCK,
            'ordered_quantity' => 9,
            'note' => null,
        ])->assertRedirect();

        $this->assertSame(9, $this->inventory->summary($item)['available']);
    }

    public function test_editing_order_casts_form_foreign_key_before_creating_receipt_movement(): void
    {
        $item = CommonCatalogItem::factory()->create();
        $order = $this->inventory->createOrder([
            'common_catalog_item_id' => (string) $item->id,
            'order_number' => 'WH-STRING-ID',
            'status' => StockOrder::STATUS_ORDERED,
            'ordered_quantity' => '6',
            'note' => null,
        ], $this->admin);

        $this->assertIsInt($order->common_catalog_item_id);

        $this->actingAs($this->admin)->put(route('stock.orders.update', $order), [
            'common_catalog_item_id' => (string) $item->id,
            'order_number' => $order->order_number,
            'status' => StockOrder::STATUS_IN_STOCK,
            'ordered_quantity' => '6',
            'note' => null,
        ])->assertRedirect()->assertSessionHasNoErrors();

        $this->assertDatabaseHas('stock_movements', [
            'stock_order_id' => $order->id,
            'common_catalog_item_id' => $item->id,
            'movement_type' => StockMovement::TYPE_RECEIPT,
            'quantity' => 6,
        ]);
    }

    public function test_admin_can_set_all_ordered_positions_with_same_number_in_stock(): void
    {
        $firstItem = CommonCatalogItem::factory()->create();
        $secondItem = CommonCatalogItem::factory()->create();
        $alreadyReceivedItem = CommonCatalogItem::factory()->create();
        $unrelatedItem = CommonCatalogItem::factory()->create();
        $first = $this->createOrder($firstItem, 'WH-BULK', 2, StockOrder::STATUS_ORDERED);
        $second = $this->createOrder($secondItem, 'WH-BULK', 3, StockOrder::STATUS_ORDERED);
        $alreadyReceived = $this->createOrder($alreadyReceivedItem, 'WH-BULK', 4);
        $unrelated = $this->createOrder($unrelatedItem, 'WH-OTHER', 5, StockOrder::STATUS_ORDERED);

        $this->actingAs($this->admin)
            ->post(route('stock.orders.set-in-stock'), ['bulk_order_number' => 'WH-BULK'])
            ->assertRedirect()
            ->assertSessionHas('success', 'Позиции заказа переведены в статус «На складе»: 2.');

        $this->assertSame(StockOrder::STATUS_IN_STOCK, $first->refresh()->status);
        $this->assertSame(2, $first->available_quantity);
        $this->assertSame(StockOrder::STATUS_IN_STOCK, $second->refresh()->status);
        $this->assertSame(3, $second->available_quantity);
        $this->assertSame(StockOrder::STATUS_IN_STOCK, $alreadyReceived->refresh()->status);
        $this->assertSame(StockOrder::STATUS_ORDERED, $unrelated->refresh()->status);
        $this->assertDatabaseHas('stock_movements', [
            'stock_order_id' => $first->id,
            'movement_type' => StockMovement::TYPE_RECEIPT,
            'quantity' => 2,
        ]);
        $this->assertDatabaseHas('stock_movements', [
            'stock_order_id' => $second->id,
            'movement_type' => StockMovement::TYPE_RECEIPT,
            'quantity' => 3,
        ]);
        $this->assertSame(1, StockMovement::query()->where('stock_order_id', $alreadyReceived->id)->count());
    }

    public function test_bulk_receipt_button_lists_only_ordered_order_numbers(): void
    {
        $orderedItem = CommonCatalogItem::factory()->create();
        $receivedItem = CommonCatalogItem::factory()->create();
        $this->createOrder($orderedItem, 'WH-AVAILABLE', 2, StockOrder::STATUS_ORDERED);
        $this->createOrder($receivedItem, 'WH-RECEIVED', 2);

        $response = $this->actingAs($this->admin)
            ->get(route('stock.orders'))
            ->assertOk()
            ->assertSeeText('Весь заказ на складе');

        $response->assertViewHas('orderedOrderNumbers', fn ($numbers): bool => $numbers->all() === ['WH-AVAILABLE']);
    }

    public function test_manager_cannot_set_whole_stock_order_in_stock(): void
    {
        $this->actingAs($this->manager)
            ->post(route('stock.orders.set-in-stock'), ['bulk_order_number' => 'WH-BULK'])
            ->assertForbidden();
    }

    public function test_bulk_receipt_reports_unknown_order_number(): void
    {
        $this->actingAs($this->admin)
            ->post(route('stock.orders.set-in-stock'), ['bulk_order_number' => 'WH-MISSING'])
            ->assertSessionHasErrors([
                'bulk_order_number' => 'Заказ со статусом «Заказан» не найден',
            ]);
    }

    public function test_reservation_is_all_or_nothing_and_cannot_exceed_available_stock(): void
    {
        $item = CommonCatalogItem::factory()->create();
        $this->createOrder($item, 'WH-1', 5);

        $this->actingAs($this->manager)->post(route('stock.reserve', $item), [
            'manager_id' => $this->manager->id,
            'quantity' => 6,
            'note' => 'Объект 15',
        ])->assertSessionHasErrors(['quantity' => 'Такого кол-ва нет в наличии']);

        $this->assertDatabaseCount('stock_reservations', 0);
        $this->assertSame(5, $this->inventory->summary($item)['available']);
    }

    public function test_reservation_uses_fifo_orders_and_issue_and_cancel_keep_history(): void
    {
        $item = CommonCatalogItem::factory()->create();
        $first = $this->createOrder($item, 'WH-1', 5);
        $second = $this->createOrder($item, 'WH-2', 5);

        $reservations = $this->inventory->reserve($item, $this->manager, 7, 'Объект 21', $this->admin);

        $this->assertCount(2, $reservations);
        $this->assertSame([$first->id, $second->id], $reservations->pluck('stock_order_id')->all());
        $this->assertSame([5, 2], $reservations->pluck('quantity')->all());
        $this->assertSame(3, $this->inventory->summary($item)['available']);

        $this->inventory->issue($reservations[0], $this->admin);
        $first->refresh();
        $this->assertSame(StockOrder::STATUS_SHIPPED, $first->status);
        $this->assertSame(StockReservation::STATUS_ISSUED, $reservations[0]->refresh()->status);
        $this->assertSame(3, $this->inventory->summary($item)['available']);

        $this->inventory->cancel($reservations[1], $this->admin, 'Заказ клиента отменён');
        $this->assertSame(StockReservation::STATUS_CANCELLED, $reservations[1]->refresh()->status);
        $this->assertSame(5, $this->inventory->summary($item)['available']);
        $this->assertDatabaseHas('stock_movements', [
            'stock_order_id' => $first->id,
            'movement_type' => StockMovement::TYPE_ISSUE,
            'quantity' => 5,
        ]);
        $this->assertDatabaseHas('stock_movements', [
            'stock_order_id' => $second->id,
            'movement_type' => StockMovement::TYPE_RESERVE_CANCEL,
            'quantity' => 2,
        ]);
    }

    public function test_order_with_active_reservation_cannot_be_manually_shipped(): void
    {
        $item = CommonCatalogItem::factory()->create();
        $order = $this->createOrder($item, 'WH-LOCKED', 4);
        $this->inventory->reserve($item, $this->manager, 1, null, $this->admin);

        $this->actingAs($this->admin)->put(route('stock.orders.update', $order), [
            'common_catalog_item_id' => $item->id,
            'order_number' => $order->order_number,
            'status' => StockOrder::STATUS_SHIPPED,
            'ordered_quantity' => 4,
            'note' => null,
        ])->assertSessionHas('error', 'Нельзя изменить статус заказа с активной бронью');

        $this->assertSame(StockOrder::STATUS_IN_STOCK, $order->refresh()->status);
        $this->assertSame(3, $this->inventory->summary($item)['available']);
    }

    public function test_stock_card_displays_orders_reservations_and_movement_history(): void
    {
        $item = CommonCatalogItem::factory()->create(['article' => 'CARD-001']);
        $this->createOrder($item, 'CARD-ORDER', 3);
        $this->inventory->reserve($item, $this->manager, 1, 'Бронь карточки', $this->admin);

        $this->actingAs($this->manager)
            ->get(route('stock.show', $item))
            ->assertOk()
            ->assertSeeText('CARD-001')
            ->assertSeeText('CARD-ORDER')
            ->assertSeeText('Бронь карточки')
            ->assertSeeText('Бронирование');
    }

    public function test_admin_can_queue_xlsx_import(): void
    {
        Bus::fake();
        Storage::fake('upload');

        $this->actingAs($this->admin)->post(route('stock.orders.import'), [
            'import_file' => UploadedFile::fake()->create('stock.xlsx', 20, 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'),
        ])->assertRedirect();

        $this->assertDatabaseHas('imports', [
            'type' => 'stock_orders',
            'original_filename' => 'stock.xlsx',
        ]);
        Bus::assertDispatched(ImportJob::class);
    }

    private function createOrder(
        CommonCatalogItem $item,
        string $number,
        int $quantity,
        string $status = StockOrder::STATUS_IN_STOCK,
    ): StockOrder {
        return $this->inventory->createOrder([
            'common_catalog_item_id' => $item->id,
            'order_number' => $number,
            'status' => $status,
            'ordered_quantity' => $quantity,
            'note' => null,
        ], $this->admin);
    }
}