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path: root/LibMatrix/Homeservers/ImplementationDetails/Synapse/SynapseAdminApiClient.cs
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using ArcaneLibs.Extensions;
using LibMatrix.Filters;
using LibMatrix.Responses.Admin;

namespace LibMatrix.Homeservers.ImplementationDetails.Synapse;

public class SynapseAdminApiClient(AuthenticatedHomeserverSynapse authenticatedHomeserver) {
    public async IAsyncEnumerable<AdminRoomListingResult.AdminRoomListingResultRoom> SearchRoomsAsync(int limit = int.MaxValue, string orderBy = "name", string dir = "f",
        string? searchTerm = null, LocalRoomQueryFilter? localFilter = null) {
        AdminRoomListingResult? res = null;
        var i = 0;
        int? totalRooms = null;
        do {
            var url = $"/_synapse/admin/v1/rooms?limit={Math.Min(limit, 100)}&dir={dir}&order_by={orderBy}";
            if (!string.IsNullOrEmpty(searchTerm)) url += $"&search_term={searchTerm}";

            if (res?.NextBatch is not null) url += $"&from={res.NextBatch}";

            Console.WriteLine($"--- ADMIN Querying Room List with URL: {url} - Already have {i} items... ---");

            res = await authenticatedHomeserver.ClientHttpClient.GetFromJsonAsync<AdminRoomListingResult>(url);
            totalRooms ??= res.TotalRooms;
            Console.WriteLine(res.ToJson(false));
            foreach (var room in res.Rooms) {
                if (localFilter is not null) {
                    if (!room.RoomId.Contains(localFilter.RoomIdContains)) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.Name?.Contains(localFilter.NameContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.CanonicalAlias?.Contains(localFilter.CanonicalAliasContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.Version.Contains(localFilter.VersionContains)) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.Creator.Contains(localFilter.CreatorContains)) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.Encryption?.Contains(localFilter.EncryptionContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.JoinRules?.Contains(localFilter.JoinRulesContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.GuestAccess?.Contains(localFilter.GuestAccessContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (!room.HistoryVisibility?.Contains(localFilter.HistoryVisibilityContains) == true) {
                        totalRooms--;
                        continue;
                    }

                    if (localFilter.CheckFederation && room.Federatable != localFilter.Federatable) {
                        totalRooms--;
                        continue;
                    }

                    if (localFilter.CheckPublic && room.Public != localFilter.Public) {
                        totalRooms--;
                        continue;
                    }

                    if (room.JoinedMembers < localFilter.JoinedMembersGreaterThan || room.JoinedMembers > localFilter.JoinedMembersLessThan) {
                        totalRooms--;
                        continue;
                    }

                    if (room.JoinedLocalMembers < localFilter.JoinedLocalMembersGreaterThan || room.JoinedLocalMembers > localFilter.JoinedLocalMembersLessThan) {
                        totalRooms--;
                        continue;
                    }
                }
                // if (contentSearch is not null && !string.IsNullOrEmpty(contentSearch) &&
                //     !(
                //         room.Name?.Contains(contentSearch, StringComparison.InvariantCultureIgnoreCase) == true ||
                //         room.CanonicalAlias?.Contains(contentSearch, StringComparison.InvariantCultureIgnoreCase) == true ||
                //         room.Creator?.Contains(contentSearch, StringComparison.InvariantCultureIgnoreCase) == true
                //     )
                //    ) {
                //     totalRooms--;
                //     continue;
                // }

                i++;
                yield return room;
            }
        } while (i < Math.Min(limit, totalRooms ?? limit));
    }
}