package conf

import (
	"errors"
	"flag"

	"go-common/library/cache/redis"
	"go-common/library/conf"
	"go-common/library/database/sql"
	ecode "go-common/library/ecode/tip"
	"go-common/library/log"
	bm "go-common/library/net/http/blademaster"
	"go-common/library/net/http/blademaster/middleware/auth"
	"go-common/library/net/http/blademaster/middleware/verify"
	"go-common/library/net/rpc"
	"go-common/library/net/rpc/warden"
	"go-common/library/net/trace"
	"go-common/library/time"

	"github.com/BurntSushi/toml"
)

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

// Config config set
type Config struct {
	// base
	// elk
	Log *log.Config
	// App
	App *bm.App
	// rpc server2
	RPCServer2 *rpc.ServerConfig
	// tracer
	Tracer *trace.Config
	// bm
	BM *bm.ServerConfig
	// Ecode
	Ecode *ecode.Config
	// rpc
	FavoriteRPC *rpc.ClientConfig
	// grpc
	ArcClient *warden.ClientConfig
	// Mysql
	Mysql *sql.Config
	// Redis
	Redis *Redis
	// HTTP client
	HTTPClient *bm.ClientConfig
	// Host
	Host *Host
	// Auth
	Auth *auth.Config
	// verify
	Verify *verify.Config
	// reload
	Rule *Rule
	// leidata
	Leidata *Leidata
}

// Host hosts.
type Host struct {
	Search string
}

// Redis redis struct
type Redis struct {
	*redis.Config
	FilterExpire time.Duration
	ListExpire   time.Duration
}

// Rule rule .
type Rule struct {
	KnockTree time.Duration
}

// Leidata lei da data .
type Leidata struct {
	Timeout         time.Duration
	AfterSleep      time.Duration
	EndSleep        time.Duration
	Retry           int
	URL             string
	Key             string
	LolPlayersCron  string
	DotaPlayersCron string
	InfoCron        string
}

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

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

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.Toml2(); !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
}