module shared_utils.server_status;

import std.json;

struct ServerStatus {
    string identifier = null;
    string name = null;
    bool online = false;
    int playersOnline = 0;
    int maxPlayers = 0;
    string[] playerNames = [];

    JSONValue toJsonObject() {
        JSONValue obj = JSONValue.emptyObject;
        obj.object["identifier"] = JSONValue(identifier);
        obj.object["name"] = JSONValue(name);
        obj.object["online"] = JSONValue(online);
        obj.object["playersOnline"] = JSONValue(playersOnline);
        obj.object["maxPlayers"] = JSONValue(maxPlayers);
        obj.object["playerNames"] = JSONValue.emptyArray;
        foreach (playerName; playerNames) {
            obj.object["playerNames"].array ~= JSONValue(playerName);
        }
        return obj;
    }

    static ServerStatus fromJsonObject(JSONValue obj) {
        if (obj.type != JSONType.OBJECT) throw new JSONException("JSON value is not an object.");
        ServerStatus s;
        s.identifier = obj.object["identifier"].str;
        s.name = obj.object["name"].str;
        s.online = obj.object["online"].boolean;
        s.playersOnline = cast(int) obj.object["playersOnline"].integer;
        s.maxPlayers = cast(int) obj.object["maxPlayers"].integer;
        foreach (node; obj.object["playerNames"].array) {
            s.playerNames ~= node.str;
        }
        return s;
    }
}

JSONValue serializeServerStatuses(ServerStatus[] statuses) {
    JSONValue arr = JSONValue.emptyArray;
    foreach (s; statuses) {
        arr.array ~= s.toJsonObject();
    }
    return arr;
}

ServerStatus[] deserializeServerStatuses(JSONValue arr) {
    if (arr.type != JSONType.ARRAY) throw new JSONException("JSON value is not an array.");
    ServerStatus[] statuses = new ServerStatus[arr.array.length];
    for (size_t i = 0; i < arr.array.length; i++) {
        statuses[i] = ServerStatus.fromJsonObject(arr.array[i]);
    }
    return statuses;
}