using Unity.Entities;
using Unity.NetCode;

namespace ProjectM.Simulation
{
    // NOTE (LANTERN purge): CycleState/CyclePhase/CycleRuntime (the Calm↔Siege macro-loop) are DELETED.
    // ExpeditionObjective below is the surviving replicated room-objective readout (live consumers:
    // RoomEnemyDirectorSystem writes it; RunDirectorSystem/HudSystem read it).


    /// <summary>
    /// DR-042 C7b — a SMALL replicated summary of the current expedition objective so the client HUD can show an
    /// "enemies remaining / cleared — return to claim" readout. Rides the GLOBAL UNTAGGED director ghost so
    /// GhostRelevancy.SetIsIrrelevant never hides it
    /// cross-region — a base teammate can't see the expedition's own (region-tagged, relevancy-hidden) enemy
    /// ghosts. SOLE writer: ZoneEnemyDirectorSystem (server, plain group), written ABOVE its early-returns
    /// (snapshot-above-early-return) so the readout never freezes stale. byte/short, never enum (writer is [BurstCompile]).
    /// </summary>
    public struct ExpeditionObjective : IComponentData
    {
        /// <summary>0 = Idle (no sortie active), 1 = Active (wave in progress), 2 = Cleared (return to claim).</summary>
        [GhostField] public byte State;

        /// <summary>Live zone enemies remaining (alive + not-yet-spawned) while Active; 0 when Idle/Cleared.</summary>
        [GhostField] public short Remaining;
    }

    /// <summary>State constants for <see cref="ExpeditionObjective.State"/> (byte, not enum — Burst/serialization).</summary>
    public static class ExpeditionObjectiveState
    {
        public const byte Idle = 0;
        public const byte Active = 1;
        public const byte Cleared = 2;
    }
}