using System.Net;
using FluentAssertions;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Xunit;

namespace backend.tests;

public class InstallEndpointsTests
{
    [Fact]
    public async Task Install_sh_returns_shell_script_with_request_host()
    {
        using var factory = new ApiFactory();
        var client = factory.CreateClient();
        var res = await client.GetAsync("/install.sh");
        res.StatusCode.Should().Be(HttpStatusCode.OK);
        res.Content.Headers.ContentType!.MediaType.Should().Be("text/x-shellscript");

        var body = await res.Content.ReadAsStringAsync();
        body.Should().StartWith("#!/usr/bin/env bash");
        body.Should().Contain("BACKEND_URL=\"http://localhost\"");
    }

    [Fact]
    public async Task Client_tarball_returns_octet_stream()
    {
        var tmp = Path.Combine(Path.GetTempPath(), $"client-test-{Guid.NewGuid():N}.tar.gz");
        File.WriteAllBytes(tmp, new byte[] { 0x1f, 0x8b }); // tiny gzip-ish marker

        try
        {
            using var factory = new ApiFactory();
            var client = factory.WithWebHostBuilder(b =>
            {
                b.ConfigureAppConfiguration((_, cfg) =>
                {
                    cfg.AddInMemoryCollection(new Dictionary<string, string?>
                    {
                        ["Install:ClientTarballPath"] = tmp,
                    });
                });
            }).CreateClient();

            var res = await client.GetAsync("/client.tar.gz");
            res.StatusCode.Should().Be(HttpStatusCode.OK);
            res.Content.Headers.ContentType!.MediaType.Should().Be("application/gzip");
            (await res.Content.ReadAsByteArrayAsync()).Length.Should().Be(2);
        }
        finally
        {
            if (File.Exists(tmp)) File.Delete(tmp);
        }
    }
}