using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;
using FluentAssertions;
using Xunit;
using System.Net;
using System.Net.Http.Json;
using Fengling.AuthService.ViewModels;

namespace Fengling.AuthService.Tests;

public class AccountIntegrationTests : IClassFixture<WebApplicationFactory<Program>>
{
    private readonly WebApplicationFactory<Program> _factory;
    private readonly HttpClient _client;

    public AccountIntegrationTests(WebApplicationFactory<Program> factory)
    {
        _factory = factory.WithWebHostBuilder(builder =>
        {
            builder.UseEnvironment("Testing");
        });
        _client = factory.CreateClient(new WebApplicationFactoryClientOptions
        {
            AllowAutoRedirect = false
        });
    }

    [Fact]
    public async Task Login_Get_ReturnsLoginPage()
    {
        var response = await _client.GetAsync("/account/login");

        response.StatusCode.Should().Be(HttpStatusCode.OK);
        var content = await response.Content.ReadAsStringAsync();
        content.Should().Contain("欢迎回来");
        content.Should().Contain("登录到 Fengling Auth");
        content.Should().Contain("用户名");
        content.Should().Contain("密码");
    }

    [Fact]
    public async Task Login_Get_WithReturnUrl_ReturnsLoginPageWithReturnUrl()
    {
        var response = await _client.GetAsync("/account/login?returnUrl=/dashboard");

        response.StatusCode.Should().Be(HttpStatusCode.OK);
        var content = await response.Content.ReadAsStringAsync();
        content.Should().Contain("value=\"/dashboard\"");
    }

    [Fact]
    public async Task Register_Get_ReturnsRegisterPage()
    {
        var response = await _client.GetAsync("/account/register");

        response.StatusCode.Should().Be(HttpStatusCode.OK);
        var content = await response.Content.ReadAsStringAsync();
        content.Should().Contain("创建账号");
        content.Should().Contain("加入 Fengling Auth");
        content.Should().Contain("用户名");
        content.Should().Contain("邮箱");
        content.Should().Contain("密码");
        content.Should().Contain("确认密码");
    }

    [Fact]
    public async Task Register_Get_WithReturnUrl_ReturnsRegisterPageWithReturnUrl()
    {
        var response = await _client.GetAsync("/account/register?returnUrl=/dashboard");

        response.StatusCode.Should().Be(HttpStatusCode.OK);
        var content = await response.Content.ReadAsStringAsync();
        content.Should().Contain("value=\"/dashboard\"");
    }

    [Fact]
    public async Task Dashboard_Index_ReturnsLoginPageWhenNotAuthenticated()
    {
        var response = await _client.GetAsync("/dashboard");

        response.StatusCode.Should().Be(HttpStatusCode.Redirect);
        var location = response.Headers.Location.ToString();
        location.Should().StartWith("/account/login");
        location.Should().Contain("dashboard");
    }

    [Fact]
    public async Task Dashboard_Profile_ReturnsLoginPageWhenNotAuthenticated()
    {
        var response = await _client.GetAsync("/dashboard/profile");

        response.StatusCode.Should().Be(HttpStatusCode.Redirect);
        var location = response.Headers.Location.ToString();
        location.Should().StartWith("/account/login");
        location.Should().Contain("dashboard%2Fprofile");
    }

    [Fact]
    public async Task Dashboard_Settings_ReturnsLoginPageWhenNotAuthenticated()
    {
        var response = await _client.GetAsync("/dashboard/settings");

        response.StatusCode.Should().Be(HttpStatusCode.Redirect);
        var location = response.Headers.Location.ToString();
        location.Should().StartWith("/account/login");
        location.Should().Contain("dashboard%2Fsettings");
    }
}