Hastlayer-SDK

using Hast.Common.Interfaces;
using Hast.Communication.Models;
using Hast.Layer;
using Hast.Transformer.SimpleMemory;
using System.Collections.Generic;

namespace Hast.Communication.Services;

/// <summary>
/// Checks if the memory resources can fit the <see cref="SimpleMemory"/> instance before sending it to the device.
/// </summary>
public interface IMemoryResourceChecker : IDependency
{
    /// <summary>
    /// Verifies resource availability.
    /// </summary>
    /// <param name="memory">The memory we want to send to the device.</param>
    /// <param name="hardwareRepresentation">The representation of the device and program on it.</param>
    /// <returns>An object describing the problem.</returns>
    MemoryResourceProblem EnsureResourceAvailable(SimpleMemory memory, IHardwareRepresentation hardwareRepresentation);
}

public static class IMemoryResourceCheckerExtensions
{
    public static MemoryResourceProblem Check(
        this IEnumerable<IMemoryResourceChecker> checkers,
        SimpleMemory memory,
        IHardwareRepresentation hardwareRepresentation)
    {
        foreach (var checker in checkers)
        {
            if (checker.EnsureResourceAvailable(memory, hardwareRepresentation) is { } problem) return problem;
        }

        return null;
    }
}