using System.Text.Json;
using System.Text.Json.Serialization;

namespace WirelessTextSyncer.Windows.Models;

public sealed class SyncActionJsonConverter : JsonConverter<SyncAction>
{
    public override SyncAction Read(
        ref Utf8JsonReader reader,
        Type typeToConvert,
        JsonSerializerOptions options)
    {
        var value = reader.GetString();

        return value switch
        {
            "insertText" => SyncAction.InsertText,
            "replaceAll" => SyncAction.ReplaceAll,
            "backspace" => SyncAction.Backspace,
            "enter" => SyncAction.Enter,
            "ping" => SyncAction.Ping,
            _ => throw new JsonException($"Unsupported sync action: {value}")
        };
    }

    public override void Write(
        Utf8JsonWriter writer,
        SyncAction value,
        JsonSerializerOptions options)
    {
        var action = value switch
        {
            SyncAction.InsertText => "insertText",
            SyncAction.ReplaceAll => "replaceAll",
            SyncAction.Backspace => "backspace",
            SyncAction.Enter => "enter",
            SyncAction.Ping => "ping",
            _ => throw new JsonException($"Unsupported sync action: {value}")
        };

        writer.WriteStringValue(action);
    }
}