package rpc

import (
	"context"
	"encoding/json"
	"log/slog"

	"nhooyr.io/websocket"
)

func respondError(ctx context.Context, c *websocket.Conn, id string, code int64, err error, data any) {
	slog.ErrorContext(ctx, "Responding to Websocket Request With Error", "err", err, "id", id, "code", code, "data", data)
	rData := []byte{}
	if data != nil {
		rData, err = json.Marshal(data)
		if err != nil {
			slog.ErrorContext(ctx, "Error Marshalling Error Data", "err", err)
			return
		}
	}

	raw := json.RawMessage(rData)

	resp, err := json.Marshal(Response{
		ID: id,
		Error: &Error{
			Code:    code,
			Message: err.Error(),
			Data:    &raw,
		},
	})
	if err != nil {
		slog.ErrorContext(ctx, "Error Marshalling Error Response", "err", err)
		return
	}
	err = c.Write(ctx, websocket.MessageText, resp)
	if err != nil {
		slog.ErrorContext(ctx, "Error Sending Error Response", "err", err)
		return
	}
}