using GFramework.Core.Abstractions.Query;
using GFramework.Core.Abstractions.Rule;

namespace GFramework.Core.Extensions;

/// <summary>
///     提供对 IContextAware 接口的查询执行扩展方法
/// </summary>
public static class ContextAwareQueryExtensions
{
    /// <summary>
    ///     发送一个查询请求
    /// </summary>
    /// <typeparam name="TResult">查询结果类型</typeparam>
    /// <param name="contextAware">实现 IContextAware 接口的对象</param>
    /// <param name="query">要发送的查询</param>
    /// <returns>查询结果</returns>
    /// <exception cref="ArgumentNullException">当 contextAware 或 query 为 null 时抛出</exception>
    public static TResult SendQuery<TResult>(this IContextAware contextAware, IQuery<TResult> query)
    {
        if (contextAware is null)
        {
            throw new ArgumentNullException(nameof(contextAware));
        }

        if (query is null)
        {
            throw new ArgumentNullException(nameof(query));
        }

        var context = contextAware.GetContext();
        return context.SendQuery(query);
    }


    /// <summary>
    ///     异步发送一个查询请求
    /// </summary>
    /// <typeparam name="TResult">查询结果类型</typeparam>
    /// <param name="contextAware">实现 IContextAware 接口的对象</param>
    /// <param name="query">要发送的异步查询</param>
    /// <returns>查询结果</returns>
    /// <exception cref="ArgumentNullException">当 contextAware 或 query 为 null 时抛出</exception>
    public static async Task<TResult> SendQueryAsync<TResult>(this IContextAware contextAware,
        IAsyncQuery<TResult> query)
    {
        if (contextAware is null)
        {
            throw new ArgumentNullException(nameof(contextAware));
        }

        if (query is null)
        {
            throw new ArgumentNullException(nameof(query));
        }

        var context = contextAware.GetContext();
        return await context.SendQueryAsync(query).ConfigureAwait(false);
    }
}