package haproxy

import (
	"encoding/json"
	"sort"
)

type Config struct {
	LoadBalancers []*LoadBalancer
}

func NewConfig(m map[string][]byte) (c Config, err error) {
	for _, v := range m {
		lb := new(LoadBalancer)
		err = json.Unmarshal(v, lb)
		if err != nil {
			return
		}
		c.LoadBalancers = append(c.LoadBalancers, lb)
	}
	if len(c.LoadBalancers) > 1 {
		sort.SliceStable(c.LoadBalancers, func(i, j int) bool {
			return c.LoadBalancers[i].Name < c.LoadBalancers[j].Name
		})
	}
	return
}

type LoadBalancer struct {
	Name    string  `json:"name"`
	IP      string  `json:"ip"`
	CIDR    string  `json:"cidr"`
	Options Options `json:"options"`
	Ports   []Port  `json:"ports"`
}

type Options struct {
	Frontend           []string `json:"frontend"`
	Backend            []string `json:"backend"`
	ProxyProtocol      string   `json:"proxyProtocol"`
	CheckProxyProtocol bool     `json:"checkProxyProtocol"`
	DefaultServer      string   `json:"defaultServer"`
}

type Port struct {
	Port    int      `json:"port"`
	Servers []Server `json:"servers"`
}

type Server struct {
	Name string `json:"name"`
	IP   string `json:"ip"`
	Port int    `json:"port"`
}