JiLinCpApp/JiLinApp.Docking/Alarm/AlarmCodeHelper.cs

using Newtonsoft.Json;

namespace JiLinApp.Docking.Alarm;

public class AlarmCodeHelper
{
    #region Fields

    private static readonly Dictionary<string, AlarmCode> AlarmCodeDict;
    private static readonly List<int> LevelList;
    private static readonly List<string> TypeList;

    #endregion Fields

    static AlarmCodeHelper()
    {
        string filePath = Path.Combine("config", "alarmcodes.json");
        if (!File.Exists(filePath)) throw new FileNotFoundException(filePath);
        using StreamReader r = new(filePath);
        string jsonStr = r.ReadToEnd();
        List<AlarmCode> list = JsonConvert.DeserializeObject<List<AlarmCode>>(jsonStr) ?? new();
        AlarmCodeDict = list.ToDictionary(item => item.Id, item => item);
        LevelList = list.GroupBy(item => item.Level).Select(it => it.First().Level).ToList();
        TypeList = list.GroupBy(item => item.Type).Select(it => it.First().Type).ToList();
    }

    public static void VirtualInit()
    { }

    public static AlarmCode Get(string id)
    {
        return AlarmCodeDict[id] ?? AlarmCodeDict["1000"];
    }

    public static bool TryGet(string id, out AlarmCode alarmCode)
    {
        bool flag = AlarmCodeDict.TryGetValue(id, out AlarmCode? temp);
        alarmCode = temp ?? new();
        return flag;
    }
}