package server

import (
	"net/http/httputil"
	"net/url"

	"git.secnex.io/secnex/api-gateway/config"
	"git.secnex.io/secnex/masterlog"
)

type Targets map[string]*Target

type Target struct {
	ID    string
	Name  string
	URL   *url.URL
	proxy *httputil.ReverseProxy
}

func NewTargets(cfg *config.Configuration) Targets {
	targets := make(Targets)
	for _, target := range cfg.Targets {
		targets[target.ID] = NewTarget(&target)
	}
	return targets
}

func NewTarget(target *config.Target) *Target {
	url, err := url.Parse(target.URL)
	if err != nil {
		masterlog.Error("Failed to parse target URL", map[string]interface{}{
			"error":  err,
			"target": target.URL,
		})
		return nil
	}
	return &Target{
		ID:    target.ID,
		Name:  target.Name,
		URL:   url,
		proxy: httputil.NewSingleHostReverseProxy(url),
	}
}