package scraper

import (
	"flag"
	"fmt"
	"log"
	"runtime"

	"github.com/spf13/pflag"
	"github.com/spf13/viper"

	"git.amok.space/yevhen/resource-scraper/types/constant"
)

const usage = `Music Database (MDB) server/cli craftware'

Usage:
	mdb [command] -c [config-file-path]

Commands:
	-help,		-h  Print this message
	-version	-v  Print version.
	-config		-c  Set configuration file without extension. It is %s by default.
	-section	-s  Select section e.g.: rutracker, bandcamp etc.

The Go runtime version: %s
Report bugs to https://git.amok.space/yevhen/resource-scraper/issues`

const (
	version           = "0.1"
	defaultConfigPath = constant.DefaultConfigPath
	defaultConfigEnv  = constant.DefaultEnvProd
)

func ParseFlags() {
	flag.Bool(constant.FlagHelpShort, false, "")
	flag.Bool(constant.FlagHelp, false, "")
	flag.Bool(constant.FlagVersionShort, false, "")
	flag.Bool(constant.FlagVersion, false, "")
	flag.Bool(constant.FlagDebug, false, "")
	flag.String(constant.FlagConfigFile, defaultConfigPath, "config file location")
	flag.String(constant.FlagScopeEnable, "", "")
	flag.String(constant.FlagSingleUri, "", "")
	flag.String(constant.FlagEnv, defaultConfigEnv, "")
	flag.String("create", defaultConfigEnv, "used to create e.g. scope etc.")

	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
	pflag.Parse()
	err := viper.BindPFlags(pflag.CommandLine)
	if err != nil {
		log.Fatalf("[ERR] Failed to bind flags to config: %s", err)
	}

	if viper.GetBool(constant.FlagHelpShort) || viper.GetBool(constant.FlagHelp) {
		msg := fmt.Sprintf(usage, defaultConfigPath, runtime.Version())
		fmt.Println(msg)
	} else if viper.GetBool(constant.FlagVersionShort) || viper.GetBool(constant.FlagVersion) {
		fmt.Println("MDB version", version)
	}
}