package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
)

type AppConfig struct {
	Rpn struct {
		Url         string `json:Url`
		MD5P2P      string `json:MD5P2P`
		MD5FAT      string `json:MD5FAT`
		MIDP2P      string `json:MIDP2P`
		MIDFAT      string `json:MIDFAT`
		UrlCallBack string `json:UrlCallBack`
	} `json:Rpn`
	LeanWork struct {
		MD5P2P string `json:MD5P2P`
		MD5FAT string `json:MD5FA5`
	} `json:LeanWork`
	DB struct {
		Driver string `json:Driver`
		User   string `json:User`
		Pass   string `json:Pass`
		Schema string `json:Schema`
	} `json:DB`
	Server struct {
		Host string `json:Host`
		Port string `json:Port`
	} `json:Server`
}

var Config AppConfig

func readConfig() error {
	log.Println("Read configration for production ")
	workingdir := getWorkingDir()
	return readConfigFile(workingdir + "/config.json")
}

func readConfigForTest() error {
	log.Println("Read configration for Test ")
	workingdir := getWorkingDir()
	return readConfigFile(workingdir + "/config.test.json")
}

func readConfigFile(file string) error {

	log.Printf("Read configration from %s", file)
	body, err := ioutil.ReadFile(file)
	if err != nil {
		log.Fatal("Fatal error Cannot read config ..")
		return err
	}
	err = json.Unmarshal(body, &Config)
	if err != nil {
		log.Fatal("cannot read config into json")
		return err
	}

	j, err := json.MarshalIndent(Config, "", "\t")
	if err != nil {
		log.Fatal("cannot print back to json")
		return err
	}
	log.Println(string(j))
	return err
}