using game;
using Newtonsoft.Json.Linq;
using System.Net;

static partial class Probe
{
    // Actual KV login, lease, CustomServerMgr and public consumer methods run above this transport.
    sealed class ProfileCacheWire
    {
        internal bool Active;
        internal readonly List<(string Path, string Body)> Requests = new();
        internal Task<HttpResponseMessage> Next;
        internal bool TryHandle(HttpRequestMessage request, out Task<HttpResponseMessage> response)
        {
            response = null;
            if (!Active) return false;
            Check(request.RequestUri.GetLeftPart(UriPartial.Authority) == "http://s101.local:18080" &&
                request.RequestUri.AbsolutePath == "/friend/SearchFriend" && request.Method == HttpMethod.Post,
                "profile read uses existing authenticated SearchFriend, no KV/SDK/private target read");
            Requests.Add((request.RequestUri.AbsolutePath, request.Content.ReadAsStringAsync().GetAwaiter().GetResult()));
            response = Next ?? throw new Exception("Unplanned profile request");
            Next = null;
            return true;
        }
    }

    static async Task ProfileCachePFCompatibility()
    {
        // Concrete PF service supplies the independent original-contract reference, SDK is the existing sentinel.
        var pf = new IdentityPFUser();
        int events = 0;
        using var subscription = GContext.OnEvent<GetClubPlayInfoEvent>().Subscribe(_ => events++);
        Check(pf.GetPlayerLv("FE123456") == 1 && pf.GetPlayerLv("") == 1, "PF display cache misses return 1");
        foreach (var level in new[] { 0, -5, 62 })
        {
            pf.SetPlayerLv("FE123456", level);
            Check(pf.GetPlayerLv("FE123456") == level, "PF display cache preserves stored values");
        }
        Check(pf.GetPlayInfo(null) == null && pf.GetPlayInfo("") == null, "PF empty profile IDs return null");
        var own = pf.GetPlayInfo(pf.UserId);
        Check(ReferenceEquals(own, pf.GetPlayInfo(pf.UserId)) && events == 1,
            "PF own profile is one cached object and one synchronous event");
        pf.SetPlayInfo("FE123456", "Before", "avatar-before");
        var first = pf.GetPlayInfo("FE123456");
        pf.SetPlayInfo("FE123456", "After", "avatar-after");
        Check(!ReferenceEquals(first, pf.GetPlayInfo("FE123456")) && first.name == "Before" && events == 1,
            "PF explicit profile assignment replaces without mutating old reference or publishing");
        pf.ClearPlayInfos();
        int sdk = Effects.SDK;
        var remote = pf.GetPlayInfo("FE123456");
        Check(remote.name == "Angler#FE123" && ReferenceEquals(remote, pf.GetPlayInfo("FE123456")) &&
            events == 2 && Effects.SDK == sdk + 1, "PF remote profile still uses original SDK and caches one result");
        Check((await pf.GetPlayLv("FE123456")).Item2 == 1 && Effects.SDK == sdk + 2,
            "PF asynchronous miss queries SDK before original missing-Lv default 1");
        Pass("C3-profile-original-PF-cache-and-SDK-reference");
    }

    static async Task ProfileCacheKVCompatibility(KVUserService user, ProfileCacheWire wire, string other)
    {
        var failures = new List<string>();
        void Expect(bool ok, string label)
        {
            assertions++;
            if (!ok) { failures.Add(label); Console.WriteLine("FAIL C3-profile " + label); }
        }
        async Task ExpectUnloaded(string id, string label)
        {
            try { await user.GetPlayLv(id); Expect(false, label); }
            catch (InvalidOperationException) { Expect(true, label); }
        }
        int sdk = Effects.SDK;
        var events = new List<GetClubPlayInfoEvent>();
        TaskCompletionSource<bool> updated = null;
        using var subscription = GContext.OnEvent<GetClubPlayInfoEvent>().Subscribe(evt =>
        {
            events.Add(evt);
            updated?.TrySetResult(true);
        });
        wire.Active = true;
        try
        {
            user.ClearPlayInfos();
            var player = (PlayerData)GContext.container.Values[typeof(PlayerData)];
            Expect(user.IsAuthorized && player.lv == 10, "fixture uses already authenticated real KV user and existing player");
            Expect(user.GetPlayerLv(other) == 1 && user.GetPlayerLv("") == 1,
                "unknown synchronous display level is original default 1");
            Expect(user.GetPlayerLv(user.UserId) == 1,
                "synchronous self display also follows original cache contract, not a new live shortcut");
            await ExpectUnloaded(other, "display default 1 must not make asynchronous unqueried level succeed");
            await ExpectUnloaded(null, "asynchronous null ID keeps prior unloaded failure");
            await ExpectUnloaded("", "asynchronous empty ID keeps prior unloaded failure");
            Expect((await user.GetPlayLv(user.UserId)).Item2 == 10,
                "asynchronous authenticated self still reads actual player level before cache population");
            try { user.GetPlayerLv(null); Expect(false, "synchronous null ID follows original Dictionary argument failure"); }
            catch (ArgumentNullException) { Expect(true, "synchronous null ID follows original Dictionary argument failure"); }
            foreach (var level in new[] { 0, -5, 62 })
            {
                user.SetPlayerLv(other, level);
                Expect(user.GetPlayerLv(other) == level, "synchronous cached level is not normalized: " + level);
                if (level < 0) await ExpectUnloaded(other, "asynchronous negative cached level keeps prior failure");
                else Expect((await user.GetPlayLv(other)).Item2 == level, "asynchronous nonnegative cache remains available");
            }
            user.SetPlayerLv(user.UserId, 999);
            Expect(user.GetPlayerLv(user.UserId) == 10, "original self SetPlayerLv uses PlayerData rather than caller value");
            user.ClearPlayInfos();
            Expect(user.GetPlayerLv(other) == 1 && (await user.GetPlayLv(user.UserId)).Item2 == 10,
                "clear removes display cache without changing asynchronous self contract");
            Expect(wire.Requests.Count == 0, "level methods do not introduce remote level queries");

            Expect(user.GetPlayInfo(null) == null && user.GetPlayInfo("") == null, "null and empty profile IDs return null");
            var own = user.GetPlayInfo(user.UserId);
            Expect(own != null && own.name == user.DisplayName && own.avatarUrl == user.AvatarUrl,
                "own profile uses authenticated name and avatar");
            Expect(ReferenceEquals(own, user.GetPlayInfo(user.UserId)) && events.Count == 1 &&
                events[0].id == user.UserId && events[0].name == user.DisplayName,
                "own profile cached reference and exactly one synchronous success event");
            Expect(wire.Requests.Count == 0, "own and empty profile lookups send no request");

            user.SetPlayInfo(other, "Before", "avatar-before");
            var before = user.GetPlayInfo(other);
            int beforeEvents = events.Count;
            user.SetPlayInfo(other, "After", "avatar-after");
            Expect(!ReferenceEquals(before, user.GetPlayInfo(other)) && before.name == "Before" && events.Count == beforeEvents,
                "explicit assignment replaces the cache object without mutating old reference or publishing");
            user.SetPlayInfo(other, "", null);
            Expect(user.GetPlayInfo(other).name == "Angler#" + other && user.GetPlayInfo(other).avatarUrl == null,
                "explicit empty nickname retains original default-name rule");

            user.ClearPlayInfos();
            events.Clear();
            var release = new TaskCompletionSource<HttpResponseMessage>(TaskCreationOptions.RunContinuationsAsynchronously);
            wire.Next = release.Task;
            updated = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
            int requestStart = wire.Requests.Count;
            var placeholder = user.GetPlayInfo(other);
            Expect(placeholder != null && placeholder.name == "Angler#" + other && placeholder.avatarUrl == null,
                "remote miss returns original default-name placeholder before HTTP completes");
            Expect(ReferenceEquals(placeholder, user.GetPlayInfo(other)) && events.Count == 0 && wire.Requests.Count == requestStart + 1,
                "pending remote read shares one object and one request without early event");
            if (wire.Requests.Count == requestStart + 1)
            {
                var body = JObject.Parse(wire.Requests[^1].Body);
                Expect(body.Properties().Count() == 1 && (string)body["PlayFabId"] == other,
                    "existing request field carries target new UserID without extra identity aliases");
                release.SetResult(await Json(new { code = 1, info = new { playFabId = other, displayName = "Remote", avatarUrl = "remote-avatar", level = 1 } }));
                await updated.Task.WaitAsync(TimeSpan.FromSeconds(5));
                Expect(ReferenceEquals(placeholder, user.GetPlayInfo(other)) && placeholder.name == "Remote" &&
                    placeholder.avatarUrl == "remote-avatar" && events.Count == 1 && events[0].id == other,
                    "successful HTTP updates the same consumer object and publishes one event");
                await ExpectUnloaded(other, "SearchFriend nickname success does not populate asynchronous level cache");
                updated = null;
            }
            else { release.SetResult(await Json(new { code = 0 })); updated = null; }

            // Completed in-memory responses exercise the actual async-void consumer's synchronous-completion path.
            foreach (var sample in new[]
            {
                (Body: "{\"code\":-1,\"info\":null}", Status: HttpStatusCode.OK, Success: false),
                (Body: "{\"code\":1,\"info\":null}", Status: HttpStatusCode.OK, Success: false),
                (Body: "null", Status: HttpStatusCode.OK, Success: false),
                (Body: "", Status: HttpStatusCode.OK, Success: false),
                (Body: "{invalid", Status: HttpStatusCode.OK, Success: false),
                (Body: "{}", Status: HttpStatusCode.InternalServerError, Success: false),
                (Body: "{\"code\":2,\"info\":{\"displayName\":\"\",\"avatarUrl\":null}}", Status: HttpStatusCode.OK, Success: true)
            })
            {
                user.ClearPlayInfos(); events.Clear();
                wire.Next = Task.FromResult(new HttpResponseMessage(sample.Status) { Content = new StringContent(sample.Body) });
                int sent = wire.Requests.Count;
                var profile = user.GetPlayInfo(other);
                Expect(profile != null && profile.name == "Angler#" + other && profile.avatarUrl == null &&
                    ReferenceEquals(profile, user.GetPlayInfo(other)), "missing nickname or failed response preserves the cached placeholder");
                Expect(wire.Requests.Count == sent + 1 && events.Count == (sample.Success ? 1 : 0),
                    "code>0 and nonnull info alone determine successful profile publication: " + sample.Body);
            }
            Expect(Effects.SDK == sdk && user.IsAuthorized, "KV profiles and levels never invoke PF SDK or revoke on ordinary failure");
            user.ClearPlayInfos();
        }
        finally { wire.Active = false; wire.Next = null; }
        if (failures.Count != 0) throw new Exception("C3 profile migration gaps: " + string.Join("; ", failures));
        Pass("C3-real-KV-profile-cache-reference-event-and-level-boundary-" + user.UserId);
    }
}