package simulation

import org.junit.jupiter.api.Assertions
import java.util.*
import kotlin.test.Test

class AttackDiceTest {

    @Test
    fun testAttackDiceImplementation() {
        val r = Random()
        // Test no crit below threshold
        val dice = AttackDice("1d20")
        val result = dice.roll(r)
        if (result.result < 20) {
            Assertions.assertFalse(dice.isCrit(result))
        } else {
            Assertions.assertTrue(dice.isCrit(result))
        }
        // Test no crit below threshold
        val dice2 = AttackDice("1d20c19")
        val result2 = dice2.roll(r)
        if (result2.result < 10) {
            Assertions.assertFalse(dice2.isCrit(result2))
        } else {
            Assertions.assertTrue(dice2.isCrit(result2))
        }

        // Test crit threshold other than max
        val dice3 = AttackDice("2d10c8")
        val result3 = dice3.roll(r)
        if (result3.result >= 8) {
            Assertions.assertTrue(dice3.isCrit(result3))
        } else {
            Assertions.assertFalse(dice3.isCrit(result3))
        }
    }

    @Test
    fun validateCritFunctionality() {
        val trueCritResult = RollResult(1, 20, 20)
        val fakeCritResult = RollResult(1, 20, 19)

        val defaultRoll = AttackDice("1d20")
        val verboseDefaultCrit = AttackDice("1d20c20")
        val normalModifiedCrit = AttackDice("1d20c19")

        Assertions.assertFalse(defaultRoll.isCrit(fakeCritResult))
        Assertions.assertFalse(verboseDefaultCrit.isCrit(fakeCritResult))
        Assertions.assertTrue(normalModifiedCrit.isCrit(fakeCritResult))

        Assertions.assertTrue(defaultRoll.isCrit(trueCritResult))
        Assertions.assertTrue(verboseDefaultCrit.isCrit(trueCritResult))
        Assertions.assertTrue(normalModifiedCrit.isCrit(trueCritResult))
    }

}