using GeometryTD.Definition;
using GeometryTD.UI;
using NUnit.Framework;

namespace GeometryTD.Tests.EditMode
{
    public sealed class ContinueChallengeMultiplierTests
    {
        [Test]
        public void BuildRawData_Uses_OneX_Multiplier_For_First_Loop_And_Invalid_Input()
        {
            CombatInfoFormRawData firstLoop = CombatInfoFormUseCase.BuildRawData(
                LevelThemeType.Plain,
                levelId: 1,
                currentPhaseIndex: 1,
                totalPhaseCount: 4,
                coin: 10,
                baseHp: 20,
                baseHpMax: 20,
                canEnd: true);
            CombatInfoFormRawData invalidInput = CombatInfoFormUseCase.BuildRawData(
                LevelThemeType.Plain,
                levelId: 1,
                currentPhaseIndex: 0,
                totalPhaseCount: 0,
                coin: 10,
                baseHp: 20,
                baseHpMax: 20,
                canEnd: false);

            Assert.That(firstLoop.EnemyHpRateMultiplier, Is.EqualTo(1));
            Assert.That(invalidInput.EnemyHpRateMultiplier, Is.EqualTo(1));
        }

        [Test]
        public void BuildRawData_Doubles_EnemyHp_After_Each_Full_Loop()
        {
            CombatInfoFormRawData secondLoop = CombatInfoFormUseCase.BuildRawData(
                LevelThemeType.Volcano,
                levelId: 2,
                currentPhaseIndex: 5,
                totalPhaseCount: 4,
                coin: 15,
                baseHp: 18,
                baseHpMax: 20,
                canEnd: true);
            CombatInfoFormRawData thirdLoop = CombatInfoFormUseCase.BuildRawData(
                LevelThemeType.Mountain,
                levelId: 3,
                currentPhaseIndex: 9,
                totalPhaseCount: 4,
                coin: 20,
                baseHp: 16,
                baseHpMax: 20,
                canEnd: true);

            Assert.That(secondLoop.EnemyHpRateMultiplier, Is.EqualTo(2));
            Assert.That(thirdLoop.EnemyHpRateMultiplier, Is.EqualTo(4));
        }

        [Test]
        public void BuildRawData_Clamps_EnemyHp_Multiplier_At_IntMaxValue()
        {
            CombatInfoFormRawData rawData = CombatInfoFormUseCase.BuildRawData(
                LevelThemeType.Plain,
                levelId: 1,
                currentPhaseIndex: 121,
                totalPhaseCount: 4,
                coin: 30,
                baseHp: 10,
                baseHpMax: 20,
                canEnd: false);

            Assert.That(rawData.EnemyHpRateMultiplier, Is.EqualTo(int.MaxValue));
        }
    }
}