/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
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*  the Apache License, Version 2.0 (the "License"); you may
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*  You may obtain a copy of the License at
*
* 	http://www.apache.org/licenses/LICENSE-2.0
*
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using OpenSearch.OpenSearch.Xunit.XunitPlumbing;
using FluentAssertions;

namespace Tests.QueryDsl.BoolDsl.Operators
{
	public class CombinationUsageTests : OperatorUsageBase
	{
		[U] public void DoesNotJoinTwoShouldsUsingAnd() => ReturnsBool(
			(Query || Query) && (Query || Query),
			q => (q.Query() || q.Query()) && (q.Query() || q.Query()),
			b =>
			{
				b.Must.Should().NotBeEmpty().And.HaveCount(2);
				b.Should.Should().BeNull();
				b.MustNot.Should().BeNull();
				b.Filter.Should().BeNull();
			});

		[U] public void DoesJoinTwoShouldsUsingOr() => ReturnsBool(
			Query || Query || (Query || Query),
			q => q.Query() || q.Query() || (q.Query() || q.Query()),
			b =>
			{
				b.Should.Should().NotBeEmpty().And.HaveCount(4);
				b.Must.Should().BeNull();
				b.MustNot.Should().BeNull();
				b.Filter.Should().BeNull();
			});

		[U] public void DoesNotJoinTwoMustsUsingOr() => ReturnsBool(
			Query && Query || Query && Query,
			q => q.Query() && q.Query() || q.Query() && q.Query(),
			b =>
			{
				b.Should.Should().NotBeEmpty().And.HaveCount(2);
				b.Must.Should().BeNull();
				b.MustNot.Should().BeNull();
				b.Filter.Should().BeNull();
			});

		[U] public void DoesJoinTwoMustsUsingAnd() => ReturnsBool(
			Query && Query && (Query && Query),
			q => q.Query() && q.Query() && (q.Query() && q.Query()),
			b =>
			{
				b.Must.Should().NotBeEmpty().And.HaveCount(4);
				b.Should.Should().BeNull();
				b.MustNot.Should().BeNull();
				b.Filter.Should().BeNull();
			});

		[U] public void AndJoinsMustNot() => ReturnsBool(
			Query && !Query,
			q => q.Query() && !q.Query(),
			b =>
			{
				b.Must.Should().NotBeEmpty().And.HaveCount(1);
				b.MustNot.Should().NotBeEmpty().And.HaveCount(1);
			});

		[U] public void OrDoesNotJoinMustNot() => ReturnsBool(
			Query || !Query,
			q => q.Query() || !q.Query(),
			b => { b.Should.Should().NotBeEmpty().And.HaveCount(2); });

		[U] public void OrDoesNotJoinFilter() => ReturnsBool(
			Query || !Query,
			q => q.Query() || +q.Query(),
			b =>
			{
				b.Should.Should().NotBeEmpty().And.HaveCount(2);
				b.Filter.Should().BeNull();
			});

		[U] public void AndJoinsFilter() => ReturnsBool(
			Query && +Query,
			q => q.Query() && +q.Query(),
			b =>
			{
				b.Must.Should().NotBeEmpty().And.HaveCount(1);
				b.Filter.Should().NotBeEmpty().And.HaveCount(1);
			});
	}
}