using System.Collections.Generic;
using System.Linq;

internal static class BriskModelMapper
{
    public static BriskLoginResult ToLoginResult(Dictionary<string, object> data)
    {
        var profileData = BriskValueReader.GetDictionary(data, "profile");
        return new BriskLoginResult
        {
            AccessToken = BriskValueReader.GetString(data, "access_token"),
            ExpiresIn = BriskValueReader.GetInt(data, "expires_in"),
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            ProjectAccountId = BriskValueReader.GetString(data, "project_account_id"),
            LoginProvider = BriskValueReader.GetString(profileData, "login_provider"),
            LoginUserId = BriskValueReader.GetString(profileData, "login_user_id"),
            IsNewPlayer = BriskValueReader.GetBool(data, "is_new_player"),
            Profile = ToProfile(profileData)
        };
    }

    public static BriskBootstrapResult ToBootstrapResult(Dictionary<string, object> data)
    {
        return new BriskBootstrapResult
        {
            ProjectName = BriskValueReader.GetString(data, "project_name"),
            ServerTime = BriskValueReader.GetString(data, "server_time"),
            MaintenanceMode = BriskValueReader.GetBool(data, "maintenance_mode"),
            MaintenanceMessage = BriskValueReader.GetString(data, "maintenance_message"),
            MinClientVersion = BriskValueReader.GetString(data, "min_client_version"),
            FeatureFlags = BriskValueReader.GetDictionary(data, "feature_flags") ?? new Dictionary<string, object>(),
            DynamicConfig = BriskValueReader.GetDictionary(data, "dynamic_config") ?? new Dictionary<string, object>()
        };
    }

    public static BriskConfigCurrent ToConfigCurrent(Dictionary<string, object> data)
    {
        return new BriskConfigCurrent
        {
            FeatureFlags = BriskValueReader.GetDictionary(data, "feature_flags") ?? new Dictionary<string, object>(),
            DynamicConfig = BriskValueReader.GetDictionary(data, "dynamic_config") ?? new Dictionary<string, object>()
        };
    }

    public static BriskPlayerMe ToPlayerMe(Dictionary<string, object> data)
    {
        return new BriskPlayerMe
        {
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            ProjectAccountId = BriskValueReader.GetString(data, "project_account_id"),
            LoginProvider = BriskValueReader.GetString(data, "login_provider"),
            LoginUserId = BriskValueReader.GetString(data, "login_user_id"),
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url"),
            ProfileJson = BriskValueReader.GetDictionary(data, "profile_json")
        };
    }

    public static BriskProfile ToProfile(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskProfile
        {
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url"),
            ProfileJson = BriskValueReader.GetDictionary(data, "profile_json")
        };
    }

    public static BriskLeaderboardEntry ToLeaderboardEntry(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskLeaderboardEntry
        {
            Rank = BriskValueReader.GetInt(data, "rank"),
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            ProjectAccountId = BriskValueReader.GetString(data, "project_account_id"),
            LoginProvider = BriskValueReader.GetString(data, "login_provider"),
            LoginUserId = BriskValueReader.GetString(data, "login_user_id"),
            Score = BriskValueReader.GetLong(data, "score"),
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url")
        };
    }

    public static BriskLeaderboardPlayerRank ToLeaderboardPlayerRank(Dictionary<string, object> data)
    {
        var entry = ToLeaderboardEntry(data);
        if (entry == null)
        {
            return null;
        }

        return new BriskLeaderboardPlayerRank
        {
            Rank = entry.Rank,
            Score = entry.Score,
            PlayerId = entry.PlayerId,
            ProjectAccountId = entry.ProjectAccountId,
            LoginProvider = entry.LoginProvider,
            LoginUserId = entry.LoginUserId,
            Nickname = entry.Nickname,
            AvatarUrl = entry.AvatarUrl
        };
    }

    public static BriskRankSeasonInfo ToRankSeasonInfo(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskRankSeasonInfo
        {
            SeasonId = BriskValueReader.GetString(data, "season_id") ?? BriskValueReader.GetString(data, "id"),
            Name = BriskValueReader.GetString(data, "name"),
            StartAt = BriskValueReader.GetString(data, "start_at"),
            EndAt = BriskValueReader.GetString(data, "end_at")
        };
    }

    public static List<BriskLeaderboardEntry> ToLeaderboardEntries(object data)
    {
        return ExtractList(data)
            .Select(item => ToLeaderboardEntry(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static List<BriskRankSeasonInfo> ToRankSeasonInfos(object data)
    {
        return ExtractList(data)
            .Select(item => ToRankSeasonInfo(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static BriskAnnouncementItem ToAnnouncementItem(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskAnnouncementItem
        {
            Id = BriskValueReader.GetLong(data, "id"),
            Title = BriskValueReader.GetString(data, "title"),
            Content = BriskValueReader.GetString(data, "content"),
            ContentType = BriskValueReader.GetString(data, "content_type"),
            StartAt = BriskValueReader.GetString(data, "start_at"),
            EndAt = BriskValueReader.GetString(data, "end_at"),
            IsRead = BriskValueReader.GetBool(data, "is_read")
        };
    }

    public static List<BriskAnnouncementItem> ToAnnouncementItems(object data)
    {
        return ExtractList(data)
            .Select(item => ToAnnouncementItem(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static BriskArchiveSlot ToArchiveSlot(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskArchiveSlot
        {
            SlotNo = BriskValueReader.GetInt(data, "slot_no"),
            Version = BriskValueReader.GetInt(data, "version"),
            SizeBytes = BriskValueReader.GetLong(data, "size_bytes"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static BriskArchiveMeta ToArchiveMeta(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskArchiveMeta
        {
            SlotNo = BriskValueReader.GetInt(data, "slot_no"),
            Version = BriskValueReader.GetInt(data, "version"),
            Checksum = BriskValueReader.GetString(data, "checksum"),
            SizeBytes = BriskValueReader.GetLong(data, "size_bytes"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static BriskArchiveUploadResult ToArchiveUploadResult(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskArchiveUploadResult
        {
            SlotNo = BriskValueReader.GetInt(data, "slot_no"),
            Version = BriskValueReader.GetInt(data, "version"),
            SizeBytes = BriskValueReader.GetLong(data, "size_bytes"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static List<BriskArchiveSlot> ToArchiveSlots(object data)
    {
        return ExtractList(data)
            .Select(item => ToArchiveSlot(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static BriskSpaceView ToSpaceView(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceView
        {
            ProjectAccountId = BriskValueReader.GetString(data, "project_account_id"),
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            LoginProvider = BriskValueReader.GetString(data, "login_provider"),
            LoginUserId = BriskValueReader.GetString(data, "login_user_id"),
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url"),
            ContentExists = BriskValueReader.GetBool(data, "content_exists"),
            ContentVersion = BriskValueReader.GetLong(data, "content_version"),
            ContentType = BriskValueReader.GetString(data, "content_type"),
            ContentSizeBytes = BriskValueReader.GetLong(data, "content_size_bytes"),
            ContentChecksum = BriskValueReader.GetString(data, "content_checksum"),
            LikeCount = BriskValueReader.GetLong(data, "like_count"),
            VisitCount = BriskValueReader.GetLong(data, "visit_count"),
            LikedByMe = BriskValueReader.GetBool(data, "liked_by_me"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static BriskSpaceStats ToSpaceStats(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceStats
        {
            ProjectAccountId = BriskValueReader.GetString(data, "project_account_id"),
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            LoginProvider = BriskValueReader.GetString(data, "login_provider"),
            LoginUserId = BriskValueReader.GetString(data, "login_user_id"),
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url"),
            ContentExists = BriskValueReader.GetBool(data, "content_exists"),
            ContentVersion = BriskValueReader.GetLong(data, "content_version"),
            ContentType = BriskValueReader.GetString(data, "content_type"),
            ContentSizeBytes = BriskValueReader.GetLong(data, "content_size_bytes"),
            ContentChecksum = BriskValueReader.GetString(data, "content_checksum"),
            LikeCount = BriskValueReader.GetLong(data, "like_count"),
            VisitCount = BriskValueReader.GetLong(data, "visit_count"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static BriskSpaceContentUpdateResult ToSpaceContentUpdateResult(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceContentUpdateResult
        {
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            ContentVersion = BriskValueReader.GetLong(data, "content_version"),
            ContentType = BriskValueReader.GetString(data, "content_type"),
            ContentSizeBytes = BriskValueReader.GetLong(data, "content_size_bytes"),
            ContentChecksum = BriskValueReader.GetString(data, "content_checksum"),
            UpdatedAt = BriskValueReader.GetString(data, "updated_at")
        };
    }

    public static BriskSpaceLikeResult ToSpaceLikeResult(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceLikeResult
        {
            Liked = BriskValueReader.GetBool(data, "liked"),
            LikeCount = BriskValueReader.GetLong(data, "like_count")
        };
    }

    public static BriskSpaceVisit ToSpaceVisit(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceVisit
        {
            VisitorPlayerId = BriskValueReader.GetString(data, "visitor_player_id") ?? BriskValueReader.GetString(data, "player_id"),
            VisitorLoginProvider = BriskValueReader.GetString(data, "visitor_login_provider") ?? BriskValueReader.GetString(data, "login_provider"),
            VisitorLoginUserId = BriskValueReader.GetString(data, "visitor_login_user_id") ?? BriskValueReader.GetString(data, "login_user_id"),
            VisitorNickname = BriskValueReader.GetString(data, "visitor_nickname") ?? BriskValueReader.GetString(data, "nickname"),
            VisitorAvatarUrl = BriskValueReader.GetString(data, "visitor_avatar_url") ?? BriskValueReader.GetString(data, "avatar_url"),
            VisitedAt = BriskValueReader.GetString(data, "visited_at")
        };
    }

    public static List<BriskSpaceVisit> ToSpaceVisits(object data)
    {
        return ExtractList(data)
            .Select(item => ToSpaceVisit(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static BriskSpaceLikeItem ToSpaceLikeItem(Dictionary<string, object> data)
    {
        if (data == null)
        {
            return null;
        }

        return new BriskSpaceLikeItem
        {
            PlayerId = BriskValueReader.GetString(data, "player_id"),
            Nickname = BriskValueReader.GetString(data, "nickname"),
            AvatarUrl = BriskValueReader.GetString(data, "avatar_url"),
            CreatedAt = BriskValueReader.GetString(data, "created_at")
        };
    }

    public static List<BriskSpaceLikeItem> ToSpaceLikeItems(object data)
    {
        return ExtractList(data)
            .Select(item => ToSpaceLikeItem(item as Dictionary<string, object>))
            .Where(item => item != null)
            .ToList();
    }

    public static Dictionary<string, object> ExtractObject(object data)
    {
        return data as Dictionary<string, object>;
    }

    private static List<object> ExtractList(object data)
    {
        if (data is List<object> list)
        {
            return list;
        }

        if (data is Dictionary<string, object> dictionary)
        {
            return BriskValueReader.GetList(dictionary, "items")
                ?? BriskValueReader.GetList(dictionary, "list")
                ?? BriskValueReader.GetList(dictionary, "records")
                ?? new List<object>();
        }

        return new List<object>();
    }
}