package main

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

type AppConfig struct {
	Rpn struct {
		Url     string `json:Url`
		UrlTest string `json:UrlTest`
		MD5P2P  string `json:MD5P2P`
		MD5FAT  string `json:MD5FAT`
		MIDP2P  string `json:MIDP2P`
		MIDFAT  string `json:MIDFAT`
	} `json:Rpn`
	LeanWork struct {
		MD5Key string `json:MD5Key`
	} `json:LeanWork`
	DB struct {
		Driver string `json:Driver`
		User   string `json:User`
		Pass   string `json:Pass`
		Schema string `json:Schema`
	} `json:DB`
}

var Config AppConfig

func readConfig() error {
	log.Println("Read configration for production ")
	return readConfigFile("config.json")
}

func readConfigForTest() error {
	log.Println("Read configration for Test ")
	return readConfigFile("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
	}
	fmt.Println(string(j))
	return err
}