package config

import (
	"os"
	"time"
)

func Init() *Config {
	cfg := New()

	cfgInfo, err := getStructInfo(cfg)
	if err != nil {
		cfg.Log.Error("Unable to initialize program parameters", "error", err)
		os.Exit(1)
	}

	// get command line flags
	cfg.parseFlags(cfgInfo)

	// set logging Level
	setLogLevel(cfg)

	// set timezone & time format
	cfg.TZUTC, _ = time.LoadLocation("UTC")
	cfg.TZLocal, err = time.LoadLocation(cfg.TimeZoneLocal)
	if err != nil {
		cfg.Log.Error("Unable to parse timezone string", "error", err)
		os.Exit(1)
	}

	// print running config
	printRunningConfig(cfg, cfgInfo)

	// return configuration
	return cfg
}