package main

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

type Config struct {
	Limit    int     `json:limit`
	Interval string  `json:interval`
	Epsilon  float64 `json:epsilon`
}

func (cfg *Config) getInterval() (interval time.Duration, err error) {
	switch cfg.Interval {
	case "5min":
		interval = time.Minute * 5
	case "10min":
		interval = time.Minute * 10
	case "hour":
		interval = time.Hour
	case "day":
		interval = time.Hour * 24
	default:
		err = errors.New(fmt.Sprintf("Invalid interval: %s", cfg.Interval))
	}
	return
}

func readConfig() (conf Config, err error) {
	content, err := ioutil.ReadFile("config.json")
	if err != nil {
		log.Println(err)
	}
	err = json.Unmarshal(content, &conf)
	if err != nil {
		log.Println(err)
	}
	return
}