using FluentAssertions;
using Microsoft.EntityFrameworkCore;
using Moq;
using NUnit.Framework;
using Strata.ContinuousImprovement.Api.Controllers;
using Strata.ContinuousImprovement.Biz.Configuration;
using Strata.ContinuousImprovement.Biz.DbContexts;
using Strata.ContinuousImprovement.JazzEntityFrameworkStub;
using Strata.Schema.Client;
using Strata.Schema.Client.Dtos.Info;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Api.Test.Unit.Controllers
{
    [TestFixture(), Category("Unit"), Category("Controller")]
    public class ConfigurationsControllerTests
    {
        public JazzDbContext DbContext { get; set; }
        public IEnumerable<Biz.Configuration.Configuration> Configurations { get; set; }
        public ISchemaServiceClient SchemaService { get; set; }
        public IConfigurationService ConfigurationService { get; set; }

        [OneTimeSetUp]
        public async Task ConfigurationsControllerTestSetup()
        {
            var jeff = new JazzEntityFrameworkFactory();
            DbContext = await jeff.CreateDbContextAsync(nameof(ConfigurationsControllerTests), CancellationToken.None);
            Configurations = await DbContext.Configurations.ToListAsync();
            var configuration = Configurations.First();
            var entities = new HashSet<int>(configuration.ConfiguredEntityIds);
            var expected = entities.Select(e => new Member
            {
                Id = e,
                Name = $"Entity {e}"
            });
            var dimensionInfo = new ScoreDimensionInfoDto
            {
                FriendlyName = "Entity",
                DefaultHierarchyGuid = Guid.NewGuid(),
                DimensionGuid = Guid.NewGuid(),
                ParentDimensionGuid = Guid.NewGuid()
            };

            ConfigurationService = Mock.Of<IConfigurationService>();
            Mock.Get(ConfigurationService)
                .Setup(s => s.GetConfigurationsAsync(It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(Configurations.AsEnumerable()));
            Mock.Get(ConfigurationService)
                .Setup(s => s.GetConfigurationAsync(It.IsAny<Guid>(), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(configuration));
            SchemaService = Mock.Of<ISchemaServiceClient>();
            Mock.Get(SchemaService)
                .Setup(s => s.GetDimensionMembersByGlobalIdAsync<Member>(It.IsAny<string>(), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(expected));
            Mock.Get(SchemaService)
                .Setup(s => s.GetDimensionByGlobalIdAsync(It.IsAny<string>(), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(dimensionInfo));
            Mock.Get(SchemaService)
                .Setup(s => s.GetDimensionByIdAsync(It.IsAny<Guid>(), It.IsAny<CancellationToken>()))
                .Returns(Task.FromResult(dimensionInfo));
        }

        [Test()]
        public void ConfigurationsControllerTest()
        {
            var controller = new ConfigurationsController(ConfigurationService, SchemaService);
            controller.Should().NotBeNull();
        }

        [Test()]
        public async Task GetAllConfigurationsTest()
        {
            var controller = new ConfigurationsController(ConfigurationService, SchemaService);
            controller.Should().NotBeNull();
            var result = await controller.GetAllConfigurations(CancellationToken.None);
            result.Should().BeEquivalentTo(Configurations);
        }

        [Test()]
        public async Task GetConfigurationEntitiesTest()
        {
            var configuration = Configurations.First();
            var entities = new HashSet<int>(configuration.ConfiguredEntityIds);
            var expected = entities.Select(e => new Member
            {
                Id = e,
                Name = $"Entity {e}"
            });
            var controller = new ConfigurationsController(ConfigurationService, SchemaService);
            var result = await controller.GetConfigurationEntities(configuration.ConfigurationGuid, CancellationToken.None);
            result.Should().BeEquivalentTo(expected);
        }

        [Test()]
        public async Task GetConfigurationEntityInfoTest()
        {
            var configuration = Configurations.First();
            var entities = new HashSet<int>(configuration.ConfiguredEntityIds);
            var controller = new ConfigurationsController(ConfigurationService, SchemaService);
            var result = await controller.GetConfigurationEntityInfo(configuration.ConfigurationGuid, CancellationToken.None);
            result.Should().NotBeNull()
                .And.BeOfType<EntityInfo>();
            result.EntityTitle.Should().NotBeNullOrEmpty();
            result.EntityTitle.Should().Be("Entities");
            result.EntityText.Should().Be("Entity");
            result.DepartmentRollupGlobalId.Should().Be("Entity");
            result.HierarchicalGuid.Should().NotBeEmpty();
        }

        [Test()]
        public async Task GetConfigurationServiceLineInfoTest()
        {
            var configuration = Configurations.First();
            var controller = new ConfigurationsController(ConfigurationService, SchemaService);
            var result = await controller.GetConfigurationServiceLineInfo(configuration.ConfigurationGuid, CancellationToken.None);
            result.Should().NotBeNull()
                .And.BeOfType<ServiceLineInfo>();
            result.ServiceLineName.Should().NotBeNullOrEmpty();
            result.ServiceLineName.Should().Be("Entity");
            result.ServiceLineTitle.Should().Be("Entities");
        }
    }

}