package alils

import (
	"encoding/json"
	"fmt"
	"github.com/aliyun/aliyun-log-go-sdk/producer"
	"golib.gaore.com/GaoreGo/grlogs/logs"
	"os"
	"runtime"
	"time"
)

func NewAliLS() logs.Logger {
	cw := &alilsLogger{
		Level: logs.LevelDebug,
	}
	return cw
}

type alilsLogger struct {
	producer  *producer.Producer
	callback  *Callback
	Project   string   `json:"project"`
	Endpoint  string   `json:"endpoint"`
	KeyID     string   `json:"key_id"`
	KeySecret string   `json:"key_secret"`
	LogStore  string   `json:"log_store"`
	Topics    []string `json:"topics"`
	Source    string   `json:"source"`
	Level     int      `json:"level"`
	FlushWhen int      `json:"flush_when"`
	Debug     bool
}

func (a *alilsLogger) Init(jsonconfig string) error {

	err := json.Unmarshal([]byte(jsonconfig), a)
	if err != nil {
		return err
	}
	producerConfig := producer.GetDefaultProducerConfig()
	producerConfig.Endpoint = a.Endpoint
	producerConfig.AccessKeyID = a.KeyID
	producerConfig.AccessKeySecret = a.KeySecret
	producerConfig.LingerMs = 100
	producerConfig.NoRetryStatusCodeList = []int{-1}
	producerConfig.Retries = 2
	producerConfig.AllowLogLevel = "error"
	producerConfig.MaxIoWorkerCount = int64(runtime.NumCPU())
	a.producer = producer.InitProducer(producerConfig)
	a.callback = &Callback{}
	a.producer.Start()
	a.Debug = os.Getenv("GRLOG_ALILS_DEBUG") == "on"
	return nil
}

func (a *alilsLogger) WriteMsg(when time.Time, msg string, level int, lable string, env string) error {

	vals := map[string]string{"msg": msg, "level": fmt.Sprintf("%d", level)}
	vals["level_string"] = logs.GetLevelString(level)
	vals["env"] = env
	vals["lable"] = lable
	vals["hostname"] = GetHostname()
	vals["working_idr"] = Getwd()
	vals["home_dir"] = GetUserHomename()
	vals["hardware_addr"] = GetCurrentInterfaceHardwareAddr()
	vals["client_addrs"] = GetCurrentInterfaceAddrs()

	log := producer.GenerateLog(uint32(when.Unix()), vals)

	if a.Debug {
		for _, topic := range a.Topics {
			if err := a.producer.SendLogWithCallBack(a.Project, a.LogStore, topic, a.Source, log, a.callback); err != nil {
				return err
			}
		}
	} else {
		for _, topic := range a.Topics {
			if err := a.producer.SendLog(a.Project, a.LogStore, topic, a.Source, log); err != nil {
				return err
			}
		}
	}
	return nil
}

func (a *alilsLogger) Destroy() {
	a.producer.SafeClose()
	a.producer.Close(300)
}

func (a *alilsLogger) Flush() {

}

func init() {
	logs.Register(logs.AdapterAliLS, NewAliLS)
}