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package main
import (
"errors"
"strings"
log "github.com/sirupsen/logrus"
flag "github.com/spf13/pflag"
)
// global config, gets overwritten by main
var _conf Config
func init() {
// overwrites unhelpful error message
flag.ErrHelp = errors.New("")
// we need to parse the config because of log level setting
configFile := flag.StringP("config", "c", "", "path to config file")
debug := flag.BoolP("debug", "d", false, "set log level to \"Debug\"")
trace := flag.BoolP("trace", "t", false, "set log level to \"Trace\"")
verbose := flag.BoolP("verbose", "v", false, "set log level to \"Debug\", same as --debug")
silent := flag.BoolP("silent", "s", false, "suppress output except warnings")
loglevel_f := flag.String("log-level", "Warn", `set log level, can be "Warn", "Info", "Debug" or "Trace"`)
flag.BoolP("list-shops", "l", false, `list all crawlable shops`)
shopids_f := flag.StringP("only-shop", "o", "", `comma separated list of shop ids, crawl only these`)
not_shopids_f := flag.StringP("exclude-shop", "x", "", `comma separated list of shop ids, DO NOT crawl these`)
user_agent_f := flag.StringP("user-agent", "u", "", "set user agent")
delay_f := flag.Int("delay", 0, "enable and set delay in seconds between crawls (default 0)")
ignore_robots_f := flag.Bool("ignore-robots-txt", true, "ignore robots.txt")
flag.Parse()
loglevel := strings.ToLower(*loglevel_f)
if *trace || loglevel == "trace" {
log.SetLevel(log.TraceLevel)
} else if *debug || *verbose || loglevel == "debug" {
log.SetLevel(log.DebugLevel)
} else if loglevel == "info" {
log.SetLevel(log.InfoLevel)
} else {
log.SetLevel(log.WarnLevel)
}
if *silent {
log.SetLevel(log.WarnLevel)
}
_conf.parseConfig(*configFile)
if *user_agent_f != "" {
_conf.UserAgent = *user_agent_f
}
if *delay_f != 0 {
_conf.Delay = *delay_f
}
if !*ignore_robots_f {
_conf.IgnoreRobotsTXT = *ignore_robots_f
}
if _conf.Debug && !*silent {
log.SetLevel(log.DebugLevel)
}
if "" != *shopids_f {
_conf.ShopIDs = strings.Split(*shopids_f, ",")
}
if "" != *not_shopids_f {
_conf.ExcludeShopIDs = strings.Split(*not_shopids_f, ",")
}
if "" != *shopids_f && "" != *not_shopids_f {
log.Fatal("init.go: Config error: Cannot use both flags --exclude-shop and --only-shop at the same time.")
}
}
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