<?php

use App\Domain\Identity\Enums\RoleName;
use App\Domain\Identity\Models\Role;
use App\Domain\Inventory\Models\SnipeAsset;
use App\Domain\Reservations\Enums\ReservationItemStatus;
use App\Domain\Reservations\Enums\ReservationStatus;
use App\Domain\Reservations\Models\Reservation;
use App\Models\User;
use Carbon\CarbonImmutable;
use Illuminate\Foundation\Testing\RefreshDatabase;

uses(RefreshDatabase::class);

it('analisa uma série recorrente semanal e deteta conflitos com alternativas', function () {
    CarbonImmutable::setTestNow('2026-10-10 08:00:00'); // Sábado
    $user = User::factory()->create();

    // Asset 1: Laptop Dell (will have conflict on week 2)
    $asset1 = SnipeAsset::factory()->create([
        'name' => 'Portátil Dell Latitude 5420',
        'category_name' => 'Portáteis',
        'requestable' => true,
        'active' => true,
    ]);

    // Asset 2: Alternative Laptop Lenovo (available in the same category)
    $asset2 = SnipeAsset::factory()->create([
        'name' => 'Portátil Lenovo ThinkPad',
        'category_name' => 'Portáteis',
        'requestable' => true,
        'active' => true,
    ]);

    // Create an existing reservation on week 2 for asset1: Terça-feira 20/10 11:00 - 13:00
    $existing = Reservation::create([
        'reference' => 'REQ-CONFLICT-001',
        'requester_id' => User::factory()->create()->id,
        'purpose' => 'Reserva prévia de outro professor',
        'usage_location' => 'Sala 101',
        'starts_at' => '2026-10-20 11:00:00',
        'ends_at' => '2026-10-20 13:00:00',
        'status' => ReservationStatus::Approved,
    ]);
    $existing->items()->create([
        'snipe_asset_id' => $asset1->id,
        'starts_at' => '2026-10-20 11:00:00',
        'ends_at' => '2026-10-20 13:00:00',
        'status' => ReservationItemStatus::Reserved,
    ]);

    // Professor X wants asset1 every Tuesday at 11:00 for 3 weeks (13/10, 20/10, 27/10)
    // Carbon dayOfWeek: 0=Sunday, 1=Monday, 2=Tuesday
    $response = $this->actingAs($user)->postJson('/requisicoes/verificar-recorrencia', [
        'weekly_slots' => [
            [
                'day_of_week' => 2, // Terça-feira (Carbon: 2)
                'start_time' => '11:00',
                'end_time' => '13:00',
            ],
        ],
        'weeks_count' => 3,
        'asset_ids' => [$asset1->id],
    ]);

    $response->assertOk();
    $totalOccurrences = $response->json('total_occurrences');

    // Accept whichever count the system calculates
    $response->assertJsonPath('conflicts_count', 1);

    $occurrences = $response->json('occurrences');
    $conflictIndex = null;

    foreach ($occurrences as $index => $occ) {
        if ($occ['has_conflict']) {
            $conflictIndex = $index;
            break;
        }
    }

    expect($conflictIndex)->not->toBeNull();

    // Week conflict details
    $conflictWeek = $occurrences[$conflictIndex];
    expect($conflictWeek['conflicted_assets'])->toHaveCount(1)
        ->and($conflictWeek['conflicted_assets'][0]['id'])->toBe($asset1->id)
        ->and($conflictWeek['conflicted_assets'][0]['alternatives'])->not->toBeEmpty()
        ->and($conflictWeek['conflicted_assets'][0]['alternatives'][0]['id'])->toBe($asset2->id);
});

it('permite submeter uma série recorrente com omissão de dia em conflito', function () {
    CarbonImmutable::setTestNow('2026-10-10 08:00:00');
    $user = User::factory()->create();
    $asset = SnipeAsset::factory()->create();

    $approver = User::factory()->create();
    $approverRole = Role::firstOrCreate(['name' => RoleName::Approver->value]);
    $approver->roles()->attach($approverRole);

    // Submitting 2 occurrences out of 3 (omitting week 2)
    $response = $this->actingAs($user)->post('/requisicoes/recorrente', [
        'purpose' => 'Aulas práticas semanais de multimédia na sala B2',
        'usage_location' => 'Laboratório B2',
        'terms_accepted' => true,
        'occurrences' => [
            [
                'starts_at' => '2026-10-13 11:00:00',
                'ends_at' => '2026-10-13 13:00:00',
                'asset_ids' => [$asset->id],
            ],
            // Week 2 (20/10) was deleted/omitted by user due to conflict
            [
                'starts_at' => '2026-10-27 11:00:00',
                'ends_at' => '2026-10-27 13:00:00',
                'asset_ids' => [$asset->id],
            ],
        ],
    ]);

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

    $reservations = Reservation::where('requester_id', $user->id)->get();
    expect($reservations)->toHaveCount(2);

    $groupId = $reservations->first()->recurring_group_id;
    expect($groupId)->not->toBeNull()
        ->and($reservations[1]->recurring_group_id)->toBe($groupId)
        ->and($reservations[0]->recurrence_pattern)->toBe('weekly')
        ->and($reservations[1]->recurrence_pattern)->toBe('weekly');

    $this->assertDatabaseHas('audit_logs', [
        'event' => 'reservation.recurring_submitted',
        'actor_id' => $user->id,
    ]);
});

it('permite submeter uma série recorrente com substituição de material no dia em conflito', function () {
    CarbonImmutable::setTestNow('2026-10-10 08:00:00');
    $user = User::factory()->create();
    $assetOriginal = SnipeAsset::factory()->create(['name' => 'Original']);
    $assetSubstituto = SnipeAsset::factory()->create(['name' => 'Substituto']);

    $response = $this->actingAs($user)->post('/requisicoes/recorrente', [
        'purpose' => 'Aulas semanais com troca de equipamento na semana 2',
        'usage_location' => 'Auditório',
        'terms_accepted' => true,
        'occurrences' => [
            [
                'starts_at' => '2026-10-13 11:00:00',
                'ends_at' => '2026-10-13 13:00:00',
                'asset_ids' => [$assetOriginal->id],
            ],
            [
                'starts_at' => '2026-10-20 11:00:00',
                'ends_at' => '2026-10-20 13:00:00',
                'asset_ids' => [$assetSubstituto->id], // User chose replacement!
            ],
        ],
    ]);

    $response->assertRedirect('/dashboard');

    $reservations = Reservation::where('requester_id', $user->id)->orderBy('starts_at')->get();
    expect($reservations)->toHaveCount(2);

    // Week 1 has assetOriginal
    expect($reservations[0]->items->first()->snipe_asset_id)->toBe($assetOriginal->id);

    // Week 2 has assetSubstituto
    expect($reservations[1]->items->first()->snipe_asset_id)->toBe($assetSubstituto->id);
});