using System.Linq;

using FrostFS.Netmap;

namespace FrostFS.SDK.ClientV2;

public static class PlacementPolicyMapper
{
    public static PlacementPolicy ToMessage(this FrostFsPlacementPolicy placementPolicy)
    {
        var pp = new PlacementPolicy
        {
            Filters = { },
            Selectors = { },
            Replicas = { },
            Unique = placementPolicy.Unique
        };

        foreach (var replica in placementPolicy.Replicas)
        {
            pp.Replicas.Add(replica.ToMessage());
        }

        return pp;
    }

    public static FrostFsPlacementPolicy ToModel(this PlacementPolicy placementPolicy)
    {
        return new FrostFsPlacementPolicy(
            placementPolicy.Unique,
            placementPolicy.Replicas.Select(replica => replica.ToModel()).ToArray()
        );
    }
}