package consul

import (
	"context"
	"time"

	consul "github.com/hashicorp/consul/api"
	"github.com/micro/go-micro/registry"
)

// Connect specifies services should be registered as Consul Connect services
func Connect() registry.Option {
	return func(o *registry.Options) {
		if o.Context == nil {
			o.Context = context.Background()
		}
		o.Context = context.WithValue(o.Context, "consul_connect", true)
	}
}

func Config(c *consul.Config) registry.Option {
	return func(o *registry.Options) {
		if o.Context == nil {
			o.Context = context.Background()
		}
		o.Context = context.WithValue(o.Context, "consul_config", c)
	}
}

//
// TCPCheck will tell the service provider to check the service address
// and port every `t` interval. It will enabled only if `t` is greater than 0.
// See `TCP + Interval` for more information [1].
//
// [1] https://www.consul.io/docs/agent/checks.html
//
func TCPCheck(t time.Duration) registry.Option {
	return func(o *registry.Options) {
		if t <= time.Duration(0) {
			return
		}
		if o.Context == nil {
			o.Context = context.Background()
		}
		o.Context = context.WithValue(o.Context, "consul_tcp_check", t)
	}
}