geometry-tower-defense/Assets/GameMain/Scripts/Factory/PhaseEndConditionFactory.cs

using GeometryTD.CustomComponent;
using GeometryTD.Definition;

namespace GeometryTD.Factory
{
    internal static class PhaseEndConditionFactory
    {
        private static readonly IPhaseEndCondition None = new NonePhaseEndCondition();
        private static readonly IPhaseEndCondition TimeElapsed = new TimeElapsedPhaseEndCondition();
        private static readonly IPhaseEndCondition EnemiesCleared = new EnemiesClearedPhaseEndCondition();
        private static readonly IPhaseEndCondition BossDead = new BossDeadPhaseEndCondition();

        public static IPhaseEndCondition Create(PhaseEndType endType)
        {
            return endType switch
            {
                PhaseEndType.TimeElapsed => TimeElapsed,
                PhaseEndType.EnemiesCleared => EnemiesCleared,
                PhaseEndType.BossDead => BossDead,
                PhaseEndType.None => None,
                _ => None
            };
        }
    }
}