<?php

namespace Tests\Feature;

use App\Models\Reclamation;
use App\Models\Reservation;
use App\Models\Role;
use App\Models\Shortage;
use App\Models\SparePart;
use App\Models\SparePartOrder;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class SparePartReservationControllerTest extends TestCase
{
    use RefreshDatabase;

    protected $seed = true;

    private User $adminUser;
    private User $managerUser;

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

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

    // ==================== forReclamation (JSON API) ====================

    public function test_guest_cannot_get_reservations_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->get(route('spare_part_reservations.for_reclamation', $reclamation->id));

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

    public function test_admin_can_get_reservations_for_reclamation(): void
    {
        $sparePart = SparePart::factory()->create(['article' => 'SP-RESRV-001']);
        $order = SparePartOrder::factory()->inStock()->withQuantity(10)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 3,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->getJson(route('spare_part_reservations.for_reclamation', $reclamation->id));

        $response->assertStatus(200);
        $response->assertJsonStructure([
            'reservations' => [['id', 'spare_part_id', 'article', 'reserved_qty', 'status']],
        ]);
        $response->assertJsonFragment(['spare_part_id' => $sparePart->id]);
    }

    public function test_manager_can_get_reservations_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->getJson(route('spare_part_reservations.for_reclamation', $reclamation->id));

        $response->assertStatus(200);
        $response->assertJsonStructure(['reservations']);
    }

    public function test_returns_only_active_reservations_for_reclamation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->withQuantity(20)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        // Активный резерв
        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 5,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        // Отменённый резерв — не должен попасть
        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 2,
            'status' => Reservation::STATUS_CANCELLED,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->getJson(route('spare_part_reservations.for_reclamation', $reclamation->id));

        $response->assertStatus(200);
        $this->assertCount(1, $response->json('reservations'));
    }

    // ==================== shortagesForReclamation (JSON API) ====================

    public function test_guest_cannot_get_shortages_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->get(route('spare_part_reservations.shortages_for_reclamation', $reclamation->id));

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

    public function test_admin_can_get_shortages_for_reclamation(): void
    {
        $sparePart = SparePart::factory()->create(['article' => 'SP-SHORTAGE-001']);
        $reclamation = Reclamation::factory()->create();

        Shortage::factory()->create([
            'spare_part_id' => $sparePart->id,
            'reclamation_id' => $reclamation->id,
            'required_qty' => 10,
            'reserved_qty' => 3,
            'missing_qty' => 7,
            'status' => Shortage::STATUS_OPEN,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->getJson(route('spare_part_reservations.shortages_for_reclamation', $reclamation->id));

        $response->assertStatus(200);
        $response->assertJsonStructure([
            'shortages' => [['id', 'spare_part_id', 'article', 'required_qty', 'missing_qty', 'status']],
        ]);
        $response->assertJsonFragment(['spare_part_id' => $sparePart->id]);
    }

    public function test_manager_can_get_shortages_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->getJson(route('spare_part_reservations.shortages_for_reclamation', $reclamation->id));

        $response->assertStatus(200);
        $response->assertJsonStructure(['shortages']);
    }

    // ==================== cancel ====================

    public function test_guest_cannot_cancel_reservation(): void
    {
        $reservation = Reservation::factory()->active()->create();

        $response = $this->post(route('spare_part_reservations.cancel', $reservation));

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

    public function test_admin_can_cancel_active_reservation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->withQuantity(10)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        $reservation = Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 5,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.cancel', $reservation), [
                'reason' => 'Тестовая отмена',
            ]);

        $response->assertRedirect();
        $response->assertSessionHas('success');
        $this->assertDatabaseHas('reservations', [
            'id' => $reservation->id,
            'status' => Reservation::STATUS_CANCELLED,
        ]);
    }

    public function test_manager_can_cancel_active_reservation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->withQuantity(10)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        $reservation = Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 3,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->managerUser)
            ->post(route('spare_part_reservations.cancel', $reservation));

        $response->assertRedirect();
        $response->assertSessionHas('success');
    }

    public function test_cannot_cancel_inactive_reservation(): void
    {
        $reservation = Reservation::factory()->cancelled()->create();

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.cancel', $reservation));

        $response->assertRedirect();
        $response->assertSessionHas('error');
        // Статус не изменился
        $this->assertDatabaseHas('reservations', [
            'id' => $reservation->id,
            'status' => Reservation::STATUS_CANCELLED,
        ]);
    }

    public function test_cannot_cancel_issued_reservation(): void
    {
        $reservation = Reservation::factory()->issued()->create();

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.cancel', $reservation));

        $response->assertRedirect();
        $response->assertSessionHas('error');
        $this->assertDatabaseHas('reservations', [
            'id' => $reservation->id,
            'status' => Reservation::STATUS_ISSUED,
        ]);
    }

    // ==================== issue ====================

    public function test_guest_cannot_issue_reservation(): void
    {
        $reservation = Reservation::factory()->active()->create();

        $response = $this->post(route('spare_part_reservations.issue', $reservation));

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

    public function test_admin_can_issue_active_reservation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->forSparePart($sparePart)->create([
            'ordered_quantity' => 20,
            'available_qty' => 20,
        ]);
        $reclamation = Reclamation::factory()->create();

        $reservation = Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 5,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.issue', $reservation), [
                'note' => 'Тестовое списание',
            ]);

        $response->assertRedirect();
        $response->assertSessionHas('success');

        $this->assertDatabaseHas('reservations', [
            'id' => $reservation->id,
            'status' => Reservation::STATUS_ISSUED,
        ]);

        $this->assertDatabaseHas('spare_part_orders', [
            'id' => $order->id,
            'available_qty' => 15,
        ]);
    }

    public function test_manager_can_issue_active_reservation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->forSparePart($sparePart)->create([
            'ordered_quantity' => 10,
            'available_qty' => 10,
        ]);
        $reclamation = Reclamation::factory()->create();

        $reservation = Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 3,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->managerUser)
            ->post(route('spare_part_reservations.issue', $reservation));

        $response->assertRedirect();
        $response->assertSessionHas('success');
    }

    public function test_cannot_issue_inactive_reservation(): void
    {
        $reservation = Reservation::factory()->cancelled()->create();

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.issue', $reservation));

        $response->assertRedirect();
        $response->assertSessionHas('error');
    }

    // ==================== issueAllForReclamation ====================

    public function test_guest_cannot_issue_all_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->post(route('spare_part_reservations.issue_all', $reclamation->id));

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

    public function test_admin_can_issue_all_for_reclamation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->forSparePart($sparePart)->create([
            'ordered_quantity' => 50,
            'available_qty' => 50,
        ]);
        $reclamation = Reclamation::factory()->create();

        // Два активных резерва для рекламации
        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 5,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 3,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.issue_all', $reclamation->id));

        $response->assertRedirect();
        $response->assertSessionHas('success');

        // Все резервы рекламации должны быть списаны
        $this->assertDatabaseMissing('reservations', [
            'reclamation_id' => $reclamation->id,
            'status' => Reservation::STATUS_ACTIVE,
        ]);
    }

    public function test_manager_can_issue_all_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->post(route('spare_part_reservations.issue_all', $reclamation->id));

        $response->assertRedirect();
        $response->assertSessionHas('success');
    }

    // ==================== cancelAllForReclamation ====================

    public function test_guest_cannot_cancel_all_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->post(route('spare_part_reservations.cancel_all', $reclamation->id));

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

    public function test_admin_can_cancel_all_for_reclamation(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->withQuantity(30)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 4,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 6,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.cancel_all', $reclamation->id), [
                'reason' => 'Тестовая массовая отмена',
            ]);

        $response->assertRedirect();
        $response->assertSessionHas('success');

        // Все активные резервы рекламации отменены
        $this->assertDatabaseMissing('reservations', [
            'reclamation_id' => $reclamation->id,
            'status' => Reservation::STATUS_ACTIVE,
        ]);
    }

    public function test_manager_can_cancel_all_for_reclamation(): void
    {
        $reclamation = Reclamation::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->post(route('spare_part_reservations.cancel_all', $reclamation->id));

        $response->assertRedirect();
        $response->assertSessionHas('success');
    }

    public function test_cancel_all_includes_success_message_with_quantity(): void
    {
        $sparePart = SparePart::factory()->create();
        $order = SparePartOrder::factory()->inStock()->withQuantity(20)->forSparePart($sparePart)->create();
        $reclamation = Reclamation::factory()->create();

        Reservation::factory()->create([
            'spare_part_id' => $sparePart->id,
            'spare_part_order_id' => $order->id,
            'reclamation_id' => $reclamation->id,
            'reserved_qty' => 7,
            'status' => Reservation::STATUS_ACTIVE,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('spare_part_reservations.cancel_all', $reclamation->id));

        $response->assertSessionHas('success');
        $this->assertStringContainsString('7', session('success'));
    }
}