using System.Net;
using System.Net.Http.Json;
using FluentAssertions;
using Xunit;

namespace backend.tests;

public class DevicesEndpointsTests
{
    private static async Task<(HttpClient signedIn, string code)> SetupWithPairCode(ApiFactory factory, string email = "owner@example.com")
    {
        var client = factory.CreateClient();
        await client.PostAsJsonAsync("/api/auth/register",
            new { email, password = "Passw0rd!" });
        await client.PostAsJsonAsync("/api/auth/login",
            new { email, password = "Passw0rd!" });
        var codeRes = await client.PostAsJsonAsync("/api/pair-code", new { name = "kitchen" });
        var body = await codeRes.Content.ReadFromJsonAsync<Dictionary<string, object>>();
        return (client, body!["code"].ToString()!);
    }

    [Fact]
    public async Task User_sees_only_their_own_devices()
    {
        using var factory = new ApiFactory();
        var (alice, codeA) = await SetupWithPairCode(factory, "alice@example.com");
        await factory.CreateClient().PostAsJsonAsync("/api/pair",
            new { code = codeA, hostname = "rpi", client_version = "0.1" });

        var (bob, codeB) = await SetupWithPairCode(factory, "bob@example.com");
        await factory.CreateClient().PostAsJsonAsync("/api/pair",
            new { code = codeB, hostname = "rpi", client_version = "0.1" });

        var aliceList = await alice.GetStringAsync("/api/devices");
        var bobList = await bob.GetStringAsync("/api/devices");

        aliceList.Should().Contain("kitchen");
        bobList.Should().Contain("kitchen");
        aliceList.Should().NotBe(bobList);
    }

    [Fact]
    public async Task Rename_device_updates_name()
    {
        using var factory = new ApiFactory();
        var (client, code) = await SetupWithPairCode(factory);
        await factory.CreateClient().PostAsJsonAsync("/api/pair",
            new { code, hostname = "rpi", client_version = "0.1" });

        var listJson = await client.GetFromJsonAsync<List<Dictionary<string, object>>>("/api/devices");
        var id = listJson![0]["id"].ToString();

        var patchRes = await client.PatchAsJsonAsync($"/api/devices/{id}", new { name = "living-room" });
        patchRes.StatusCode.Should().Be(HttpStatusCode.OK);

        var after = await client.GetStringAsync($"/api/devices/{id}");
        after.Should().Contain("living-room");
    }

    [Fact]
    public async Task Revoke_device_sets_is_revoked_true()
    {
        using var factory = new ApiFactory();
        var (client, code) = await SetupWithPairCode(factory);
        await factory.CreateClient().PostAsJsonAsync("/api/pair",
            new { code, hostname = "rpi", client_version = "0.1" });

        var listJson = await client.GetFromJsonAsync<List<Dictionary<string, object>>>("/api/devices");
        var id = listJson![0]["id"].ToString();

        var del = await client.DeleteAsync($"/api/devices/{id}");
        del.StatusCode.Should().Be(HttpStatusCode.OK);

        var after = await client.GetStringAsync($"/api/devices/{id}");
        after.Should().Contain("\"isRevoked\":true");
    }
}