using System.Security.Claims;
using Api.SeaHavenIndustries.Controllers;
using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using FluentAssertions;
using FluentValidation;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Moq;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Interfaces;
using Xunit;

namespace Api.SeaHavenIndustries.Tests;

public class LocationControllerTests
{
    private static LocationController NewController(Mock<ILocationService> service) =>
        new(service.Object, Mock.Of<ILogger<LocationController>>());

    private static object Prop(object source, string name) =>
        source.GetType().GetProperty(name)!.GetValue(source)!;

    [Fact]
    public async Task GetLocationList_ReturnsPaginationEnvelopeWithServiceData()
    {
        var service = new Mock<ILocationService>();
        service.Setup(s => s.GetLocationListPagedAsync(1, 10, "a", It.IsAny<CancellationToken>()))
               .ReturnsAsync(new PagedResult<LocationDTO>
               {
                   Items = new List<LocationDTO> { new() { Id = 1, Name = "Site" } },
                   TotalCount = 1,
                   Page = 1,
                   PageSize = 10
               });

        var result = await NewController(service).GetLocationList("a", 1, 10, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var envelope = ok.Value.Should().BeOfType<Pagination_DTO>().Subject;
        envelope.PageNumber.Should().Be(1);
        envelope.PageSize.Should().Be(10);
        envelope.TotalCount.Should().Be(1);
        envelope.TotalPages.Should().Be(1);
    }

    [Fact]
    public async Task GetLocationById_WhenMissing_ReturnsNotFoundAndDoesNotLeakEntity()
    {
        var service = new Mock<ILocationService>();
        service.Setup(s => s.GetLocationDetailAsync(5, It.IsAny<CancellationToken>()))
               .ReturnsAsync((LocationDTO?)null);

        var result = await NewController(service).GetLocationById(5, CancellationToken.None);

        var notFound = result.Should().BeOfType<NotFoundObjectResult>().Subject;
        var response = notFound.Value.Should().BeOfType<Response>().Subject;
        response.Message.Should().Be("Location not found");
    }

    [Fact]
    public async Task GetLocationById_WhenFound_MapsServiceDtoToAliasedShape()
    {
        var service = new Mock<ILocationService>();
        service.Setup(s => s.GetLocationDetailAsync(7, It.IsAny<CancellationToken>()))
               .ReturnsAsync(new LocationDTO { Id = 7, Name = "N", Address1 = "A", Zip = "Z", PhoneNumber = "P", Email = "E", Status = "Active" });

        var result = await NewController(service).GetLocationById(7, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var body = ok.Value!;
        Prop(body, "Id").Should().Be(7);
        Prop(body, "Name").Should().Be("N");
        Prop(body, "Address").Should().Be("A");
        Prop(body, "ZipCode").Should().Be("Z");
        Prop(body, "Phone").Should().Be("P");
        Prop(body, "ContactEmail").Should().Be("E");
        Prop(body, "Status").Should().Be("Active");
    }

    [Fact]
    public async Task AddLocation_WhenServiceSucceeds_ReturnsCreatedResponse()
    {
        var service = new Mock<ILocationService>();
        var result = await NewController(service).AddLocation(new Location_DTO { Name = "X" }, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<DataResponse>().Subject;
        response.Status.Should().Be("200");
        response.Message.Should().Be("Location Created Successfully");
        service.Verify(s => s.CreateLocationFromRequestAsync(It.IsAny<LocationCreateRequestDTO>(), It.IsAny<ClaimsPrincipal>(), It.IsAny<CancellationToken>()), Times.Once);
    }

    [Fact]
    public async Task AddLocation_MapsAccountIdFromBodyString()
    {
        var service = new Mock<ILocationService>();
        LocationCreateRequestDTO? captured = null;
        service
            .Setup(s => s.CreateLocationFromRequestAsync(It.IsAny<LocationCreateRequestDTO>(), It.IsAny<ClaimsPrincipal>(), It.IsAny<CancellationToken>()))
            .Callback<LocationCreateRequestDTO, ClaimsPrincipal, CancellationToken>((dto, _, _) => captured = dto)
            .Returns(Task.CompletedTask);

        var result = await NewController(service).AddLocation(
            new Location_DTO { Name = "X", AccountId = "1" },
            CancellationToken.None);

        result.Should().BeOfType<OkObjectResult>();
        captured.Should().NotBeNull();
        captured!.AccountId.Should().Be(1);
    }

    [Fact]
    public async Task AddLocation_InvalidAccountIdString_ReturnsValidationError()
    {
        var service = new Mock<ILocationService>();

        var result = await NewController(service).AddLocation(
            new Location_DTO { Name = "X", AccountId = "abc" },
            CancellationToken.None);

        var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
        bad.Value.Should().BeOfType<Response>().Subject.Message.Should().Contain("accountId must be a valid integer.");
        service.Verify(
            s => s.CreateLocationFromRequestAsync(
                It.IsAny<LocationCreateRequestDTO>(),
                It.IsAny<ClaimsPrincipal>(),
                It.IsAny<CancellationToken>()),
            Times.Never);
    }

    [Fact]
    public async Task EditLocation_InvalidAccountIdString_ReturnsValidationError()
    {
        var service = new Mock<ILocationService>();

        var result = await NewController(service).EditLocation(
            1,
            new EditLocation_DTO { Name = "X", AccountId = "abc" },
            CancellationToken.None);

        var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
        bad.Value.Should().BeOfType<Response>().Subject.Message.Should().Contain("accountId must be a valid integer.");
        service.Verify(
            s => s.UpdateLocationFromRequestAsync(
                It.IsAny<int>(),
                It.IsAny<LocationUpdateRequestDTO>(),
                It.IsAny<ClaimsPrincipal>(),
                It.IsAny<CancellationToken>()),
            Times.Never);
    }

    [Fact]
    public async Task EditLocation_WhenMissing_ReturnsNotFound()
    {
        var service = new Mock<ILocationService>();
        service.Setup(s => s.UpdateLocationFromRequestAsync(99, It.IsAny<LocationUpdateRequestDTO>(), It.IsAny<ClaimsPrincipal>(), It.IsAny<CancellationToken>()))
               .ThrowsAsync(new KeyNotFoundException());

        var result = await NewController(service).EditLocation(99, new EditLocation_DTO { Name = "X" }, CancellationToken.None);

        var notFound = result.Should().BeOfType<NotFoundObjectResult>().Subject;
        notFound.Value.Should().BeOfType<Response>().Subject.Message.Should().Be("Location not found");
    }
}