using Unity.NetCode;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Client -&gt; server request to deposit into or withdraw from the shared storage container. A one-off
    /// action, so it is an RPC (not a per-tick predicted input). Op is stored as a byte (see
    /// <see cref="StorageOp"/>) rather than an enum to keep the generated serializer trivial and avoid the
    /// cross-assembly enum-codegen hazard. No target entity is carried: M5 has a single shared container,
    /// which the server resolves as a singleton (entity refs are not stable across worlds).
    /// </summary>
    public struct StorageOpRequest : IRpcCommand
    {
        /// <summary>Operation code (see <see cref="StorageOp"/>): 0 = deposit, 1 = withdraw.</summary>
        public byte Op;

        /// <summary>Item to deposit/withdraw.</summary>
        public ushort ItemId;

        /// <summary>Quantity to deposit/withdraw (server clamps withdraw to available).</summary>
        public int Count;
    }

    /// <summary>Operation codes for <see cref="StorageOpRequest.Op"/> (byte to keep RPC serialization trivial).</summary>
    public static class StorageOp
    {
        /// <summary>Add items to the shared container.</summary>
        public const byte Deposit = 0;

        /// <summary>Remove items from the shared container.</summary>
        public const byte Withdraw = 1;
    }
}