package grpc

import (
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

var (
	// Authentication errors
	ErrUnauthorized = status.Error(codes.Unauthenticated, "unauthorized: missing or invalid token")
	ErrInvalidToken = status.Error(codes.Unauthenticated, "invalid token")

	// Channel errors
	ErrChannelNotFound      = status.Error(codes.NotFound, "channel not found")
	ErrChannelAlreadyExists = status.Error(codes.AlreadyExists, "channel already exists")
	ErrChannelFull          = status.Error(codes.ResourceExhausted, "channel is full")
	ErrInvalidChannelName   = status.Error(codes.InvalidArgument, "invalid channel name")
	ErrInvalidChannel       = status.Error(codes.InvalidArgument, "invalid channel id")
	ErrUserNotInChannel     = status.Error(codes.NotFound, "user not in channel")

	// User errors
	ErrUserNotFound = status.Error(codes.NotFound, "user not found")
	ErrInvalidUser  = status.Error(codes.InvalidArgument, "invalid user id")

	// General errors
	ErrNotImplemented = status.Error(codes.Unimplemented, "method not implemented")
	ErrInternal       = status.Error(codes.Internal, "internal server error")
)