// Package appmeta stores the small amount of per-app networking config
// Skiff itself needs (IP, port, health check) that isn't already implied by
// jail.conf/rc.conf - a flat file living with the app's own data, not a
// separate control-plane database.
package appmeta

import (
	"encoding/json"
	"os"
)

type Meta struct {
	IP         string `json:"ip"`
	Port       int    `json:"port"`
	HealthPath string `json:"health_path"`
	ServerName string `json:"server_name"`
}

func Write(path string, m Meta) error {
	b, err := json.MarshalIndent(m, "", "  ")
	if err != nil {
		return err
	}
	return os.WriteFile(path, b, 0644)
}

func Read(path string) (Meta, error) {
	var m Meta
	b, err := os.ReadFile(path)
	if err != nil {
		return m, err
	}
	err = json.Unmarshal(b, &m)
	return m, err
}