package toolkit

import (
	"time"

	"github.com/go-kit/kit/log"
	consulsd "github.com/go-kit/kit/sd/consul"
	consulapi "github.com/hashicorp/consul/api"
)

// ServiceOptions server options
type ServiceOptions struct {
	// Address is the address of the Consul server
	Address string

	// Scheme is the URI scheme for the Consul server
	Scheme string

	// Datacenter to use. If not provided, the default agent datacenter is used.
	Datacenter string

	// Transport is the Transport to use for the http client.
	//Transport *http.Transport

	// HttpClient is the client to use. Default will be
	// used if not provided.
	//HttpClient *http.Client

	// HttpAuth is the auth info to use for http access.
	//HttpAuth *HttpBasicAuth

	// WaitTime limits how long a Watch will block. If not provided,
	// the agent default values will be used.
	WaitTime time.Duration

	// Token is used to provide a per-request ACL token
	// which overrides the agent's default token.
	Token string

	//TLSConfig TLSConfig
}

// NewConsulInstancer consul Instancer
func NewConsulInstancer(options ServiceOptions, name string, tags []string, passingOnly bool, logger log.Logger) (instancer *consulsd.Instancer, err error) {
	var client consulsd.Client

	config := consulapi.DefaultConfig()
	config.Address = options.Address
	config.Scheme = options.Scheme
	config.Datacenter = options.Datacenter
	config.WaitTime = options.WaitTime
	config.Token = options.Token

	consulClient, err := consulapi.NewClient(config)
	if err != nil {
		//logger.Log("err", err)
		return
	}
	client = consulsd.NewClient(consulClient)
	instancer = consulsd.NewInstancer(client, logger, name, tags, passingOnly)

	return
}