package authkit

import "context"

// Caller carries the identity of an authenticated API-key caller.
type Caller struct {
	Service    string
	ServerName string
	Scopes     []string
}

// Has reports whether the caller has the given scope.
func (c *Caller) Has(scope string) bool {
	return HasScope(c.Scopes, scope)
}

type ctxKeyCaller struct{}

// WithCaller stores c in ctx under the authkit caller key.
func WithCaller(ctx context.Context, c *Caller) context.Context {
	return context.WithValue(ctx, ctxKeyCaller{}, c)
}

// CallerFromContext retrieves the Caller stored by WithCaller.
func CallerFromContext(ctx context.Context) (*Caller, bool) {
	c, ok := ctx.Value(ctxKeyCaller{}).(*Caller)
	return c, ok
}