using System.Security.Claims;
using JobTrackerApi.Controllers;
using JobTrackerApi.Data;
using JobTrackerApi.Models;
using JobTrackerApi.Services;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Moq;
using Xunit;

namespace JobTrackerApi.Tests;

public sealed class CompanyRelationshipTests
{
    [Fact]
    public async Task Relationship_combines_owned_applications_and_contact_history()
    {
        var current = new Mock<ICurrentUserService>(); current.SetupGet(x => x.UserId).Returns("owner-1");
        await using var db = new JobTrackerContext(new DbContextOptionsBuilder<JobTrackerContext>().UseInMemoryDatabase(Guid.NewGuid().ToString()).Options, current.Object);
        var company = new Company { OwnerUserId = "owner-1", Name = "Acme", RecruiterName = "Rita" };
        db.Companies.Add(company);
        await db.SaveChangesAsync();
        var application = new JobApplication { OwnerUserId = "owner-1", CompanyId = company.Id, JobTitle = "Backend Developer", Status = "Interview", DateApplied = new DateTime(2026, 8, 1) };
        db.JobApplications.Add(application);
        await db.SaveChangesAsync();
        db.Correspondences.Add(new Correspondence { JobApplicationId = application.Id, From = "Rita", Direction = "inbound", Channel = "email", Subject = "Interview", Content = "See you Tuesday", Date = new DateTime(2026, 8, 10) });
        await db.SaveChangesAsync();
        var controller = new CompaniesController(db) { ControllerContext = new ControllerContext { HttpContext = Http("owner-1") } };

        var dto = Assert.IsType<CompaniesController.CompanyRelationshipDto>(Assert.IsType<OkObjectResult>((await controller.GetRelationship(company.Id, default)).Result).Value);

        Assert.Equal("Acme", dto.Company.Name);
        Assert.Equal(1, Assert.Single(dto.Applications).MessageCount);
        Assert.Equal("Interview", Assert.Single(dto.RecentContacts).Subject);
    }

    [Fact]
    public async Task Relationship_does_not_expose_another_owners_company()
    {
        var current = new Mock<ICurrentUserService>(); current.SetupGet(x => x.UserId).Returns("owner-1");
        await using var db = new JobTrackerContext(new DbContextOptionsBuilder<JobTrackerContext>().UseInMemoryDatabase(Guid.NewGuid().ToString()).Options, current.Object);
        var company = new Company { OwnerUserId = "owner-2", Name = "Private" };
        db.Companies.Add(company);
        await db.SaveChangesAsync();
        var controller = new CompaniesController(db) { ControllerContext = new ControllerContext { HttpContext = Http("owner-1") } };

        Assert.IsType<NotFoundResult>((await controller.GetRelationship(company.Id, default)).Result);
    }

    private static DefaultHttpContext Http(string userId)
    {
        var context = new DefaultHttpContext();
        context.User = new ClaimsPrincipal(new ClaimsIdentity([new Claim(ClaimTypes.NameIdentifier, userId)], "test"));
        return context;
    }
}