package conf

import (
	"errors"
	"flag"

	"go-common/library/conf"
	"go-common/library/database/orm"
	"go-common/library/log"
	bm "go-common/library/net/http/blademaster"
	"go-common/library/net/http/blademaster/middleware/permit"
	"go-common/library/net/rpc/warden"
	"go-common/library/net/trace"

	"github.com/BurntSushi/toml"
)

var (
	confPath string
	client   *conf.Client
	// Conf of config
	Conf = &Config{}
)

// Config def.
type Config struct {
	// base
	// http
	BM *bm.ServerConfig
	// auth
	Permit *permit.Config
	// db
	ORM *orm.Config
	// log
	Log *log.Config
	// tracer
	Tracer *trace.Config
	// rule
	Rule *Rule
	// client
	HTTPReply *bm.ClientConfig
	// Warden Client
	ArcClient *warden.ClientConfig
	AccClient *warden.ClientConfig
	// GameTypes game types.
	GameTypes []*types
}

// Rule .
type Rule struct {
	MaxCSVRows       int
	MaxBatchArcLimit int
	MaxTreeContests  int
}

type types struct {
	ID   int64
	Name string
}

func local() (err error) {
	_, err = toml.DecodeFile(confPath, &Conf)
	return
}

func remote() (err error) {
	if client, err = conf.New(); err != nil {
		return
	}
	if err = load(); err != nil {
		return
	}
	go func() {
		for range client.Event() {
			log.Info("config reload")
			if load() != nil {
				log.Error("config reload error (%v)", err)
			}
		}
	}()
	return
}

func load() (err error) {
	var (
		s       string
		ok      bool
		tmpConf *Config
	)
	if s, ok = client.Value("esports-admin.toml"); !ok {
		return errors.New("load config center error")
	}
	if _, err = toml.Decode(s, &tmpConf); err != nil {
		return errors.New("could not decode config")
	}
	*Conf = *tmpConf
	return
}

func init() {
	flag.StringVar(&confPath, "conf", "", "default config path")
}

// Init int config
func Init() error {
	if confPath != "" {
		return local()
	}
	return remote()
}