<?php

namespace Tests\Feature;

use App\Domains\CostUnit\Actions\ChangeCostUnitDetails\ChangeCostUnitDetailsCommand;
use App\Domains\CostUnit\Actions\ChangeCostUnitDetails\ChangeCostUnitDetailsRequest;
use App\Enumerations\CostUnitType;
use App\Enumerations\UserRole;
use App\Models\CostUnit;
use App\Models\Tenant;
use App\Models\User;
use App\Tasks\CloseCostUnit;
use App\ValueObjects\Amount;
use DateTime;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;

/**
 * Der Abrechnungsschluss einer Kostenstelle.
 *
 * Er ist ein Tag, keine Uhrzeit: Abrechnungen dürfen bis einschließlich 23:59 des Stichtags eingereicht werden. Das
 * Modal „Details anpassen" muss ihn anzeigen -- sonst löscht jedes Speichern den Wert unbemerkt.
 */
class CostUnitBillingDeadlineTest extends TestCase
{
    use RefreshDatabase;

    private Tenant $tenant;

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

        $this->tenant = Tenant::create([
            'slug' => 'wm',
            'name' => 'Wilde Möhre',
            'address_1' => 'Musterweg 1',
            'email' => 't@example.com',
            'email_finance' => 'finance@example.com',
            'url' => parse_url(config('app.url'), PHP_URL_HOST),
            'account_name' => 'Test e.V.',
            'account_iban' => 'DE00',
            'account_bic' => 'XY',
            'city' => 'Stadt',
            'postcode' => '00000',
            'invoice_prefix' => 'WM',
            'is_active_local_group' => true,
            'has_active_instance' => true,
        ]);

        app()->instance('tenant', $this->tenant);

        DB::table('cost_unit_types')->insert(['slug' => CostUnitType::COST_UNIT_TYPE_EVENT, 'name' => 'Veranstaltung']);

        foreach ([UserRole::USER_ROLE_ADMIN, UserRole::USER_ROLE_GROUP_LEADER, UserRole::USER_ROLE_USER] as $role) {
            UserRole::create(['slug' => $role, 'name' => $role]);
        }
    }

    public function test_details_liefern_den_abrechnungsschluss_im_format_des_datumsfelds(): void
    {
        $costUnit = $this->makeCostUnit('2026-09-11');
        $this->actingAs($this->makeAdmin());

        $response = $this->getJson('/api/v1/cost-unit/' . $costUnit->id . '/details');

        $response->assertOk();
        $this->assertSame('2026-09-11', $response->json('costUnit.billingDeadline'));
    }

    public function test_details_ohne_abrechnungsschluss_liefern_null(): void
    {
        $costUnit = $this->makeCostUnit(null);
        $this->actingAs($this->makeAdmin());

        $response = $this->getJson('/api/v1/cost-unit/' . $costUnit->id . '/details');

        $this->assertNull($response->json('costUnit.billingDeadline'));
    }

    public function test_speichern_uebernimmt_das_datum_aus_dem_formular(): void
    {
        $costUnit = $this->makeCostUnit('2026-09-11');
        $this->actingAs($this->makeAdmin());

        $this->postJson('/api/v1/cost-unit/' . $costUnit->id . '/details', ['formData' => [
            'billingDeadline' => '2026-09-30',
            'mailOnNew' => true,
            'distanceAllowance' => '0,30',
        ]])->assertOk()->assertJson(['status' => 'success']);

        $this->assertSame('2026-09-30', $costUnit->fresh()->billing_deadline);
    }

    public function test_ein_geleertes_datumsfeld_entfernt_den_abrechnungsschluss_ohne_fehler(): void
    {
        $costUnit = $this->makeCostUnit('2026-09-11');
        $this->actingAs($this->makeAdmin());

        $this->postJson('/api/v1/cost-unit/' . $costUnit->id . '/details', ['formData' => [
            'billingDeadline' => '',
            'mailOnNew' => false,
            'distanceAllowance' => '0,25',
        ]])->assertOk()->assertJson(['status' => 'success']);

        $this->assertNull($costUnit->fresh()->billing_deadline);
    }

    public function test_eine_uhrzeit_im_request_wird_nicht_gespeichert(): void
    {
        $costUnit = $this->makeCostUnit(null);

        new ChangeCostUnitDetailsCommand(new ChangeCostUnitDetailsRequest(
            $costUnit,
            Amount::fromString('0,25'),
            false,
            new DateTime('2026-09-11 14:23:45'),
        ))->execute();

        $this->assertSame('2026-09-11', $costUnit->fresh()->billing_deadline);
    }

    public function test_am_stichtag_um_2359_ist_die_kostenstelle_noch_offen(): void
    {
        $costUnit = $this->makeCostUnit('2026-09-11');

        $this->travelTo(new DateTime('2026-09-11 23:59:00'));
        new CloseCostUnit()->handle();

        $this->assertTrue((bool) $costUnit->fresh()->allow_new);
    }

    public function test_am_folgetag_schliesst_der_cron_die_kostenstelle(): void
    {
        $costUnit = $this->makeCostUnit('2026-09-11');

        $this->travelTo(new DateTime('2026-09-12 00:05:00'));
        new CloseCostUnit()->handle();

        $this->assertFalse((bool) $costUnit->fresh()->allow_new);
    }

    public function test_ohne_abrechnungsschluss_setzt_der_cron_sechs_wochen_und_laesst_offen(): void
    {
        $costUnit = $this->makeCostUnit(null);

        $this->travelTo(new DateTime('2026-09-12 00:05:00'));
        new CloseCostUnit()->handle();

        $costUnit = $costUnit->fresh();
        $this->assertSame('2026-10-24', $costUnit->billing_deadline);
        $this->assertTrue((bool) $costUnit->allow_new);
    }

    private function makeCostUnit(?string $billingDeadline): CostUnit
    {
        return CostUnit::create([
            'tenant' => $this->tenant->slug,
            'name' => 'Sommerlager',
            'type' => CostUnitType::COST_UNIT_TYPE_EVENT,
            'billing_deadline' => $billingDeadline,
            'distance_allowance' => 0.25,
            'mail_on_new' => false,
            'allow_new' => true,
            'archived' => false,
        ]);
    }

    private function makeAdmin(): User
    {
        return User::create([
            'username' => 'admin-' . uniqid() . '@example.com',
            'email' => 'admin-' . uniqid() . '@example.com',
            'firstname' => 'Test',
            'lastname' => 'Person',
            'password' => bcrypt('secret'),
            'local_group' => $this->tenant->slug,
            'user_role_main' => UserRole::USER_ROLE_USER,
            'user_role_local_group' => UserRole::USER_ROLE_ADMIN,
            'active' => true,
        ]);
    }
}