package auth

import "context"

const runnerContextKey contextKey = iota + 1

// RunnerIdentity represents an authenticated runner in the request context.
type RunnerIdentity struct {
	ID   string
	Name string
	Tags []string
}

// RunnerFromContext extracts the authenticated runner from the request context.
// Returns nil if no runner is present.
func RunnerFromContext(ctx context.Context) *RunnerIdentity {
	r, _ := ctx.Value(runnerContextKey).(*RunnerIdentity)
	return r
}

// ContextWithRunner returns a new context carrying the given runner identity.
func ContextWithRunner(ctx context.Context, r *RunnerIdentity) context.Context {
	return context.WithValue(ctx, runnerContextKey, r)
}