using System;
using Svrnty.CQRS.Events.Abstractions.Sagas;

namespace Svrnty.CQRS.Events.Sagas;

/// <summary>
/// Context for saga execution.
/// </summary>
public sealed class SagaContext : ISagaContext
{
    public SagaContext(ISaga saga, SagaState state, ISagaData data)
    {
        Saga = saga ?? throw new ArgumentNullException(nameof(saga));
        State = state;
        Data = data ?? throw new ArgumentNullException(nameof(data));
    }

    /// <inheritdoc />
    public ISaga Saga { get; }

    /// <inheritdoc />
    public SagaState State { get; internal set; }

    /// <inheritdoc />
    public ISagaData Data { get; }

    /// <inheritdoc />
    public T? Get<T>(string key) => Data.Get<T>(key);

    /// <inheritdoc />
    public void Set<T>(string key, T value) => Data.Set(key, value);

    /// <inheritdoc />
    public bool Contains(string key) => Data.Contains(key);
}