using GeometryTD.DataTable;

namespace GeometryTD.CustomComponent
{
    internal sealed class CombatWaitingForPhaseEndState : CombatStateBase
    {
        public CombatWaitingForPhaseEndState(CombatSchedulerRuntimeContext context, CombatSchedulerFlowCoordinator flow)
            : base(context, flow)
        {
        }

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

            DRLevelPhase currentPhase = Context.PhaseLoopRuntime.CurrentPhase;
            if (currentPhase == null)
            {
                Flow.EnterFailureFallback("CombatScheduler waiting phase failed. Current phase is null.");
                return;
            }

            Context.PhaseLoopRuntime.AdvancePhaseElapsed(elapseSeconds);

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

            PhaseEndConditionContext conditionContext = new(
                currentPhase,
                Context.PhaseLoopRuntime.CurrentPhaseElapsed,
                Context.EnemyManager.IsPhaseSpawnCompleted,
                Context.EnemyManager.AliveEnemyCount,
                Context.EnemyManager.HasAliveBoss);
            IPhaseEndCondition endCondition = PhaseEndConditionFactory.Create(currentPhase.EndType);
            if (!endCondition.ShouldExit(conditionContext))
            {
                return;
            }

            Flow.CompleteCurrentPhase();
        }
    }
}