﻿// The MIT License (MIT)
// 
// Copyright (c) 2015-2018 Rasmus Mikkelsen
// Copyright (c) 2015-2018 eBay Software Foundation
// https://github.com/eventflow/EventFlow
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using EventFlow.Core;
using EventFlow.MsSql.Tests.IntegrationTests.ReadStores.ReadModels;
using EventFlow.Queries;
using EventFlow.TestHelpers.Aggregates.Entities;
using EventFlow.TestHelpers.Aggregates.Queries;

namespace EventFlow.MsSql.Tests.IntegrationTests.ReadStores.QueryHandlers
{
    public class MsSqlThingyGetMessagesQueryHandler : IQueryHandler<ThingyGetMessagesQuery, IReadOnlyCollection<ThingyMessage>>
    {
        private readonly IMsSqlConnection _msSqlConnection;

        public MsSqlThingyGetMessagesQueryHandler(
            IMsSqlConnection msSqlConnection)
        {
            _msSqlConnection = msSqlConnection;
        }

        public async Task<IReadOnlyCollection<ThingyMessage>> ExecuteQueryAsync(ThingyGetMessagesQuery query, CancellationToken cancellationToken)
        {
            var readModels = await _msSqlConnection.QueryAsync<MsSqlThingyMessageReadModel>(
                Label.Named("mssql-fetch-thingy-message-read-model"),
                cancellationToken,
                "SELECT * FROM [ReadModel-ThingyMessage] WHERE ThingyId = @ThingyId",
                new { ThingyId = query.ThingyId.Value })
                .ConfigureAwait(false);
            return readModels
                .Select(rm => rm.ToThingyMessage())
                .ToList();
        }
    }
}