<?php

declare(strict_types=1);

namespace App\Tests\Validator\Constraints;

use App\BusProNet\Model\Room;
use App\BusProNet\Model\Travel;
use App\Form\Model\BookingDto;
use App\Form\Model\RoomSelectionDto;
use App\Validator\Constraints\RoomSelection;
use App\Validator\Constraints\RoomSelectionValidator;
use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;

class RoomSelectionValidatorTest extends ConstraintValidatorTestCase
{
    protected function createValidator(): RoomSelectionValidator
    {
        return new RoomSelectionValidator();
    }

    public function testNoRoomSelectedFailsValidation(): void
    {
        $bookingDto = $this->createBookingDto([]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->buildViolation('Bitte mindestens ein Zimmer/Bett auswählen')
            ->assertRaised();
    }

    public function testRegularRoomSelectedPassesValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->assertNoViolation();
    }

    public function testMultipleRegularRoomsSelectedPassesValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => 1],
            ['id' => 2, 'code' => '4erDW', 'quantity' => 2],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->assertNoViolation();
    }

    public function testOnlyBabyRoomSelectedFailsValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => 'Baby', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->buildViolation('Baby-Zimmer können nur in Kombination mit regulären Zimmern gebucht werden.')
            ->assertRaised();
    }

    public function testMultipleBabyRoomsOnlySelectedFailsValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => 'Baby', 'quantity' => 2],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->buildViolation('Baby-Zimmer können nur in Kombination mit regulären Zimmern gebucht werden.')
            ->assertRaised();
    }

    public function testBabyRoomWithRegularRoomPassesValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => 1],
            ['id' => 2, 'code' => 'Baby', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->assertNoViolation();
    }

    public function testBabyRoomWithMultipleRegularRoomsPassesValidation(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => 1],
            ['id' => 2, 'code' => '4erDW', 'quantity' => 2],
            ['id' => 3, 'code' => 'Baby', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->assertNoViolation();
    }

    public function testRoomWithZeroQuantityIsIgnored(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => 0],
            ['id' => 2, 'code' => 'Baby', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->buildViolation('Baby-Zimmer können nur in Kombination mit regulären Zimmern gebucht werden.')
            ->assertRaised();
    }

    public function testRoomWithNullQuantityIsIgnored(): void
    {
        $bookingDto = $this->createBookingDto([
            ['id' => 1, 'code' => '2erDW', 'quantity' => null],
            ['id' => 2, 'code' => 'Baby', 'quantity' => 1],
        ]);

        $this->validator->validate($bookingDto, new RoomSelection());

        $this->buildViolation('Baby-Zimmer können nur in Kombination mit regulären Zimmern gebucht werden.')
            ->assertRaised();
    }

    /**
     * @param array<array{id: int, code: string, quantity: int|null}> $roomData
     */
    private function createBookingDto(array $roomData): BookingDto
    {
        $travel = new Travel();
        $travel->rooms = [];

        $roomSelections = [];

        foreach ($roomData as $data) {
            $room = new Room();
            $room->id = $data['id'];
            $room->code = $data['code'];
            $room->available = 10;
            $room->status = 'Frei';
            $travel->rooms[] = $room;

            $roomSelection = new RoomSelectionDto();
            $roomSelection->id = $data['id'];
            $roomSelection->quantity = $data['quantity'];
            $roomSelections[] = $roomSelection;
        }

        $bookingDto = new BookingDto($travel, 1);
        $bookingDto->roomSelections = $roomSelections;

        return $bookingDto;
    }
}