using System.Text.Json.Serialization;

namespace Adaptation.FileHandlers.Priority;

#nullable enable

public class Notification
{

    [JsonConstructor]
    public Notification(int? fibonacci,
                        int id,
                        int? inverse,
                        string? machineId,
                        string page,
                        string? remoteIpAddress,
                        string? site,
                        long time,
                        string? username,
                        int value)
    {
        int? i = inverse is not null ? inverse : GetInverse(value);
        Fibonacci = fibonacci is not null ? fibonacci : i is null ? null : GetFibonacci(i.Value);
        Id = id;
        Inverse = i;
        MachineId = machineId;
        Page = page;
        RemoteIpAddress = remoteIpAddress is not null ? remoteIpAddress : null;
        Site = site is not null ? site : "MES";
        Time = time;
        Username = username;
        Value = value;
    }

    [JsonPropertyName("id")] public int Id { get; }
    [JsonPropertyName("fibonacci")] public int? Fibonacci { get; }
    [JsonPropertyName("inverse")] public int? Inverse { get; }
    [JsonPropertyName("machineId")] public string? MachineId { get; }
    [JsonPropertyName("page")] public string Page { get; }
    [JsonPropertyName("RemoteIpAddress")] public string? RemoteIpAddress { get; }
    [JsonPropertyName("site")] public string? Site { get; }
    [JsonPropertyName("time")] public long Time { get; }
    [JsonPropertyName("username")] public string? Username { get; }
    [JsonPropertyName("value")] public int Value { get; }

    internal static int? GetInverse(int value) =>
        value switch
        {
            1 => 5,
            2 => 4,
            3 => 3,
            4 => 2,
            5 => 1,
            _ => null
        };

    private static int? GetFibonacci(int value) =>
        value switch
        {
            9 => 55,
            8 => 34,
            7 => 21,
            6 => 13,
            5 => 8,
            4 => 5,
            3 => 3,
            2 => 2,
            1 => 1,
            _ => null
        };

    internal static Notification GetNotification(Notification notification, string? remoteIpAddress, string? connectionId) =>
        new(notification.Fibonacci,
            notification.Id,
            notification.Inverse,
            notification.MachineId,
            notification.Page,
            remoteIpAddress ?? connectionId,
            notification.Site,
            notification.Time,
            notification.Username,
            notification.Value);

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(Notification))]
public partial class NotificationSourceGenerationContext : JsonSerializerContext
{
}