<?php

declare(strict_types=1);

namespace App\Tests\BusProNet\Model;

use App\BusProNet\Model\CrmSelection;
use App\BusProNet\Model\CrmSelectionGroup;
use App\BusProNet\Model\Service;
use App\BusProNet\Model\Travel;
use PHPUnit\Framework\TestCase;

/**
 * Tests for Travel model transportation service retrieval.
 *
 * Note: Smart PKW filtering (discounted vs regular) is tested in
 * ParticipantFieldOptionsProviderTest, as that filtering now happens
 * at the field options provider level with per-booking availability context.
 */
class TravelTest extends TestCase
{
    /**
     * Test that transportation services are filtered by direction.
     */
    public function testServicesFilteredByDirection(): void
    {
        $travel = new Travel();

        $outboundPkw = new Service();
        $outboundPkw->id = 1;
        $outboundPkw->subType = 'PKW';
        $outboundPkw->direction = 'HIN';
        $outboundPkw->label = 'Eigene Anreise';
        $outboundPkw->available = 10;

        $inboundPkw = new Service();
        $inboundPkw->id = 2;
        $inboundPkw->subType = 'PKW';
        $inboundPkw->direction = 'RUECK';
        $inboundPkw->label = 'Eigene Abreise';
        $inboundPkw->available = 10;

        $travel->transportationServices = [$outboundPkw, $inboundPkw];

        $outboundResult = $travel->getTransportationServicesByDirection('HIN');
        $this->assertCount(1, $outboundResult);
        $this->assertSame($outboundPkw, $outboundResult[0]);

        $inboundResult = $travel->getTransportationServicesByDirection('RUECK');
        $this->assertCount(1, $inboundResult);
        $this->assertSame($inboundPkw, $inboundResult[0]);
    }

    /**
     * Test that multiple PKW services are all returned (no smart filtering at Travel level).
     */
    public function testMultiplePkwServicesAllReturned(): void
    {
        $travel = new Travel();

        $regularPkw = new Service();
        $regularPkw->id = 1;
        $regularPkw->subType = 'PKW';
        $regularPkw->direction = 'HIN';
        $regularPkw->label = 'Eigene Anreise';
        $regularPkw->price = 0.0;
        $regularPkw->available = 96;

        $discountedPkw = new Service();
        $discountedPkw->id = 2;
        $discountedPkw->subType = 'PKW';
        $discountedPkw->direction = 'HIN';
        $discountedPkw->label = 'Eigene Anreise mit Rabatt';
        $discountedPkw->price = -30.0;
        $discountedPkw->available = 99;

        $travel->transportationServices = [$regularPkw, $discountedPkw];

        $result = $travel->getTransportationServicesByDirection('HIN');

        // Both PKW services should be returned (filtering happens at field options provider level)
        $this->assertCount(2, $result);
    }

    /**
     * Test that services are sorted by subType.
     */
    public function testServicesSortedBySubType(): void
    {
        $travel = new Travel();

        $pkwService = new Service();
        $pkwService->id = 1;
        $pkwService->subType = 'PKW';
        $pkwService->direction = 'HIN';
        $pkwService->available = 10;

        $busService = new Service();
        $busService->id = 2;
        $busService->subType = 'BUS';
        $busService->direction = 'HIN';
        $busService->available = 95;

        // Add in reverse order to test sorting
        $travel->transportationServices = [$pkwService, $busService];

        $result = $travel->getTransportationServicesByDirection('HIN');

        $this->assertCount(2, $result);
        // BUS comes before PKW alphabetically
        $this->assertSame('BUS', $result[0]->subType);
        $this->assertSame('PKW', $result[1]->subType);
    }

    public function testHasSelectionIdReturnsTrueWhenSelectionExists(): void
    {
        $travel = new Travel();
        $travel->selectionGroups = [
            10 => $this->createSelectionGroup(10, [1473, 2001]),
            11 => $this->createSelectionGroup(11, [3001]),
        ];

        $this->assertTrue($travel->hasSelectionId(1473));
    }

    public function testHasSelectionIdReturnsFalseWhenSelectionDoesNotExist(): void
    {
        $travel = new Travel();
        $travel->selectionGroups = [
            10 => $this->createSelectionGroup(10, [2001]),
            11 => $this->createSelectionGroup(11, [3001]),
        ];

        $this->assertFalse($travel->hasSelectionId(1473));
    }

    /**
     * @param list<int> $selectionIds
     */
    private function createSelectionGroup(int $groupId, array $selectionIds): CrmSelectionGroup
    {
        $group = new CrmSelectionGroup();
        $group->id = $groupId;
        $group->selections = [];

        foreach ($selectionIds as $selectionId) {
            $selection = new CrmSelection();
            $selection->id = $selectionId;
            $group->selections[] = $selection;
        }

        return $group;
    }
}