namespace GeometryTD.CustomComponent
{
    public partial class CombatScheduler
    {
        private sealed class CombatWaitingForPhaseEndState : CombatStateBase
        {
            public CombatWaitingForPhaseEndState(CombatScheduler scheduler) : base(scheduler)
            {
            }

            public override void OnUpdate(float elapseSeconds, float realElapseSeconds)
            {
                _ = realElapseSeconds;

                var currentPhase = Scheduler._phaseLoopRuntime.CurrentPhase;
                if (currentPhase == null)
                {
                    Scheduler.EnterFailureFallback("CombatScheduler waiting phase failed. Current phase is null.");
                    return;
                }

                Scheduler._phaseLoopRuntime.AdvancePhaseElapsed(elapseSeconds);

                if (Scheduler.ShouldEnterSettlementFromActiveState(out string reason, out bool isVictory))
                {
                    Scheduler.ChangeState(new CombatSettlementState(Scheduler, reason, isVictory));
                    return;
                }

                PhaseEndConditionContext context = new(
                    currentPhase,
                    Scheduler._phaseLoopRuntime.CurrentPhaseElapsed,
                    Scheduler._enemyManager.IsPhaseSpawnCompleted,
                    Scheduler._enemyManager.AliveEnemyCount,
                    Scheduler._enemyManager.HasAliveBoss);
                IPhaseEndCondition endCondition = PhaseEndConditionFactory.Create(currentPhase.EndType);
                if (!endCondition.ShouldExit(context))
                {
                    return;
                }

                Scheduler.CompleteCurrentPhase();
            }
        }
    }
}