<?php

declare(strict_types=1);

namespace BattleForge\Tests\Unit\Domain;

use BattleForge\Domain\Terrain;
use PHPUnit\Framework\TestCase;

final class TerrainTest extends TestCase
{
    public function testOpenCostsOne(): void
    {
        self::assertSame(1, Terrain::Open->movementCost());
        self::assertSame(0, Terrain::Open->defenseBonus());
    }

    public function testForestCostsTwoAndGivesOneDefense(): void
    {
        self::assertSame(2, Terrain::Forest->movementCost());
        self::assertSame(1, Terrain::Forest->defenseBonus());
    }

    public function testRoughCostsTwoAndGivesNoDefense(): void
    {
        self::assertSame(2, Terrain::Rough->movementCost());
        self::assertSame(0, Terrain::Rough->defenseBonus());
    }

    public function testWaterCostsThreeAndGivesNoDefense(): void
    {
        self::assertSame(3, Terrain::Water->movementCost());
        self::assertSame(0, Terrain::Water->defenseBonus());
    }

    public function testBlockingIsImpassable(): void
    {
        self::assertNull(Terrain::Blocking->movementCost());
    }
}