package http

import (
	"context"
	"errors"
	"git.diulo.com/mogfee/kit/registry"
	"git.diulo.com/mogfee/kit/selector"
	"net/url"
	"strings"
)

type Target struct {
	Scheme    string
	Authority string
	Endpoint  string
}

func parseTarget(endpoint string, insecure bool) (*Target, error) {
	if !strings.Contains(endpoint, "://") {
		if insecure {
			endpoint = "http://" + endpoint
		} else {
			endpoint = "https://" + endpoint
		}
	}
	u, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}
	target := &Target{
		Scheme:    u.Scheme,
		Authority: u.Host,
		Endpoint:  "",
	}
	if len(u.Path) > 1 {
		target.Endpoint = u.Path[1:]
	}
	return target, nil
}

type resolver struct {
	rebalancer selector.Rebalancer

	target  *Target
	watcher registry.Watcher

	insecure bool
}

func newResolver(ctx context.Context, discovery registry.Discovery, target *Target, rebalancer selector.Rebalancer, block, insecure bool) (*resolver, error) {
	//watcher, err := discovery.Watch(ctx, target.Endpoint)
	//if err != nil {
	//	return nil, err
	//}
	//r := &resolver{
	//	rebalancer: rebalancer,
	//	target:     target,
	//	watcher:    watcher,
	//	insecure:   insecure,
	//}
	//if block {
	//	done := make(chan error, 1)
	//	go func() {
	//		for {
	//			services, err := watcher.Next()
	//			if err != nil {
	//				done <- err
	//				return
	//			}
	//		}
	//	}()
	//}
	return nil, errors.New("un impl")
}
func (r *resolver) update() {

}
func (r *resolver) Close() error {
	return r.watcher.Stop()
}