using Recyclarr.Cli.Pipelines.QualityProfile;
using Recyclarr.ServarrApi.Dto;
using Recyclarr.ServarrApi.Extensions;

// ReSharper disable CollectionNeverUpdated.Local

namespace Recyclarr.Cli.Tests.Pipelines.QualityProfile;

[TestFixture]
[Parallelizable(ParallelScope.All)]
public class QualityProfileExtensionsTest
{
    [Test]
    public void Find_group_by_id_with_null_input()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindGroupById(null);

        result.Should().BeNull();
    }

    [Test]
    public void Find_group_by_id_with_match()
    {
        var targetItem = NewQp.GroupDto(6, "Group 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true),
            targetItem,
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindGroupById(6);

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_group_by_id_with_nested_match()
    {
        var targetItem = NewQp.GroupDto(6, "Quality Item 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true, targetItem),
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindGroupById(6);

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_group_by_id_with_no_items()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindGroupById(5);

        result.Should().BeNull();
    }

    [Test]
    public void Find_group_by_id_with_no_match()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.QualityDto(5, "Quality 5", true),
            NewQp.GroupDto(6, "Group 6", true)
        };

        var result = dto.FindGroupById(5);

        result.Should().BeNull();
    }

    [Test]
    public void Find_group_by_name_with_null_input()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindGroupByName(null);

        result.Should().BeNull();
    }

    [Test]
    public void Find_group_by_name_with_case_insensitive_match()
    {
        var targetItem = NewQp.GroupDto(6, "Group 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true),
            targetItem,
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindGroupByName("grOUp 6");

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_group_by_name_with_nested_match()
    {
        var targetItem = NewQp.GroupDto(6, "Group 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true, targetItem),
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindGroupByName("Group 6");

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_group_by_name_with_no_items()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindGroupByName("Group 5");

        result.Should().BeNull();
    }

    [Test]
    public void Find_group_by_name_with_no_match()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.QualityDto(5, "Group 5", true),
            NewQp.GroupDto(6, "Group 6", true)
        };

        var result = dto.FindGroupByName("Group 5");

        result.Should().BeNull();
    }

    [Test]
    public void Find_quality_by_id_with_null_input()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindQualityById(null);

        result.Should().BeNull();
    }

    [Test]
    public void Find_quality_by_id_with_match()
    {
        var targetItem = NewQp.QualityDto(6, "Quality 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true),
            targetItem,
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindQualityById(6);

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_quality_by_id_with_nested_match()
    {
        var targetItem = NewQp.QualityDto(6, "Quality 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true, targetItem),
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindQualityById(6);

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_quality_by_id_with_no_items()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindQualityById(5);

        result.Should().BeNull();
    }

    [Test]
    public void Find_quality_by_id_with_no_match()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(5, "Group 5", true),
            NewQp.GroupDto(6, "Group 6", true)
        };

        var result = dto.FindQualityById(5);

        result.Should().BeNull();
    }
    //----------------------------------------------------------------------------

    [Test]
    public void Find_quality_by_name_with_null_input()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindQualityByName(null);

        result.Should().BeNull();
    }

    [Test]
    public void Find_quality_by_name_with_case_insensitive_match()
    {
        var targetItem = NewQp.QualityDto(6, "Quality 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true),
            targetItem,
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindQualityByName("quALIty 6");

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_quality_by_name_with_nested_match()
    {
        var targetItem = NewQp.QualityDto(6, "Quality 6", true);
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(1, "Group 1", true,
                NewQp.QualityDto(5, "Quality 5", true)),
            NewQp.GroupDto(2, "Group 2", true, targetItem),
            NewQp.GroupDto(3, "Group 3", true)
        };

        var result = dto.FindQualityByName("Quality 6");

        result.Should().Be(targetItem);
    }

    [Test]
    public void Find_quality_by_name_with_no_items()
    {
        var dto = new List<ProfileItemDto>();

        var result = dto.FindQualityByName("Quality 5");

        result.Should().BeNull();
    }

    [Test]
    public void Find_quality_by_name_with_no_match()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.QualityDto(4, "Quality 4", true),
            NewQp.GroupDto(5, "Quality 5", true),
            NewQp.GroupDto(6, "Group 6", true)
        };

        var result = dto.FindQualityByName("Quality 5");

        result.Should().BeNull();
    }

    [Test]
    public void Create_new_item_id_with_no_items()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>()
        };

        var result = dto.Items.NewItemId();

        result.Should().Be(1001);
    }

    [Test]
    public void Create_new_item_id_with_items_below_1000()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.GroupDto(1, "Group 1", true),
            NewQp.QualityDto(2, "Quality 2", true),
            NewQp.GroupDto(3, "Group 3", true,
                NewQp.GroupDto(6, "Group 6", true),
                NewQp.QualityDto(7, "Quality 7", true)),
            NewQp.GroupDto(4, "Group 4", true,
                NewQp.QualityDto(5, "Quality 5", true))
        };

        var result = dto.NewItemId();

        result.Should().Be(1001);
    }

    [Test]
    public void Create_new_item_id_with_leaf_items_above_1000()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.GroupDto(1, "Group 1", true),
            NewQp.QualityDto(2, "Quality 2", true),
            NewQp.GroupDto(3, "Group 3", true,
                NewQp.GroupDto(1006, "Group 6", true),
                NewQp.QualityDto(1007, "Quality 7", true)),
            NewQp.GroupDto(4, "Group 4", true,
                NewQp.QualityDto(5, "Quality 5", true))
        };

        var result = dto.NewItemId();

        result.Should().Be(1007);
    }

    [Test]
    public void Create_new_item_id_with_parent_items_above_1000()
    {
        var dto = new List<ProfileItemDto>
        {
            NewQp.GroupDto(1, "Group 1", true),
            NewQp.QualityDto(2, "Quality 2", true),
            NewQp.GroupDto(1008, "Group 3", true,
                NewQp.GroupDto(1006, "Group 6", true),
                NewQp.QualityDto(1007, "Quality 7", true)),
            NewQp.GroupDto(4, "Group 4", true,
                NewQp.QualityDto(5, "Quality 5", true))
        };

        var result = dto.NewItemId();

        result.Should().Be(1009);
    }

    [Test]
    public void Reverse_items_works()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.ReverseItems();

        result.Items.Should().BeEquivalentTo(new[]
        {
            NewQp.GroupDto(1003, "Group 3", true,
                NewQp.QualityDto(4, "Quality 4", true)),
            NewQp.GroupDto(1002, "Group 2", true,
                NewQp.QualityDto(3, "Quality 3", true),
                NewQp.QualityDto(2, "Quality 2", true)),
            NewQp.QualityDto(1, "Quality 1", true),
            NewQp.GroupDto(1001, "Group 1", true)
        });
    }

    [Test]
    public void Find_cutoff_id_with_group_name()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff("Group 2");

        result.Should().Be(1002);
    }

    [Test]
    public void Find_cutoff_id_with_quality_name()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff("Quality 1");

        result.Should().Be(1);
    }

    [Test]
    public void Find_cutoff_id_with_nested_quality_name()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff("Quality 2");

        result.Should().BeNull();
    }

    [Test]
    public void Find_cutoff_id_with_null_name()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff((string?) null);

        result.Should().BeNull();
    }

    [Test]
    public void Find_cutoff_name_with_group_id()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff(1002);

        result.Should().Be("Group 2");
    }

    [Test]
    public void Find_cutoff_name_with_quality_id()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff(1);

        result.Should().Be("Quality 1");
    }

    [Test]
    public void Find_cutoff_name_with_nested_quality_id()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff(2);

        result.Should().BeNull();
    }

    [Test]
    public void Find_cutoff_name_with_null_id()
    {
        var dto = new QualityProfileDto
        {
            Items = new List<ProfileItemDto>
            {
                NewQp.GroupDto(1001, "Group 1", true),
                NewQp.QualityDto(1, "Quality 1", true),
                NewQp.GroupDto(1002, "Group 2", true,
                    NewQp.QualityDto(2, "Quality 2", true),
                    NewQp.QualityDto(3, "Quality 3", true)),
                NewQp.GroupDto(1003, "Group 3", true,
                    NewQp.QualityDto(4, "Quality 4", true))
            }
        };

        var result = dto.Items.FindCutoff((int?) null);

        result.Should().BeNull();
    }
}