package grlogs

import (
	"fmt"
	"golib.gaore.com/GaoreGo/grlogs/logs"
	"os"
	"sync"
)

var loggers = sync.Map{}

var envkey = "CENTER_RUNMODE"

var defaultModeMapping = map[string][]AdapterTupple{
	"es":  []AdapterTupple{{LevelAll, AdapterConsole}, {LevelAll, AdapterElasticSearch}},
	"ali": []AdapterTupple{{LevelAll, AdapterConsole}, {LevelAll, AdapterAliLs}},
	"":    []AdapterTupple{{LevelAll, AdapterConsole}, {LevelAll, AdapterFile}},
}

type Logger struct {
	Lable string
	*logs.BeeLogger
}

type Getter func() *Logger

func (self *Logger) SetAdapter(level Level, adapter Adapter) *Logger {
	if call, ok := adatperSetMapper[adapter]; ok {
		if err := call(self, level); err != nil {
			fmt.Println(err)
		}
	}
	return self
}

func (self *Logger) DropAdapter(adapter Adapter) *Logger {
	if call, ok := adatperDropMapper[adapter]; ok {
		if err := call(self); err != nil {
			fmt.Println(err)
		}
	}
	return self
}

func newLoggerFromMap(label string, defaultmode string, channelLens ...int64) Getter {

	if tmp, ok := loggers.Load(label); ok {
		return tmp.(Getter)
	}

	var l *Logger
	var once sync.Once
	wapperGetter := Getter(func() *Logger {
		once.Do(func() {

			var channelLensNum int64 = 100
			if len(channelLens) > 0 && channelLens[0] > 0 {
				channelLensNum = channelLens[0]
			}

			l = &Logger{BeeLogger: logs.NewLogger(channelLensNum)}
			l.Lable = label
			l.BeeLogger = logs.NewLogger(channelLensNum)
			l.BeeLogger.Lable = label
			l.Env = os.Getenv(envkey)
			l.SetPrefix(fmt.Sprintf("[env:%s logger:%s]", os.Getenv(envkey), label))
			l.EnableFuncCallDepth(true)
			l.SetLogFuncCallDepth(2)
			if mode, ok := defaultModeMapping[defaultmode]; ok {
				for _, v := range mode {
					l.SetAdapter(v.Level, v.Adapter)
				}
			}
		})

		return l
	})

	tmp, loaded := loggers.LoadOrStore(label, wapperGetter)
	if loaded {
		return tmp.(Getter)
	}

	return wapperGetter
}

func Get(label string, channelLens ...int64) *Logger {
	getter := newLoggerFromMap(label, "", channelLens...)
	return getter()
}

func GetEs(label string, channelLens ...int64) *Logger {
	getter := newLoggerFromMap(label, "es", channelLens...)
	return getter()
}

func GetAli(label string, channelLens ...int64) *Logger {
	getter := newLoggerFromMap(label, "ali", channelLens...)
	return getter()
}

func Close(lables ...string) {
	wg := &sync.WaitGroup{}
	for _, lable := range lables {
		wg.Add(1)
		go func() {
			if v, ok := loggers.Load(lable); ok {
				if tmp, ok := v.(*Logger); ok {
					loggers.Delete(lable)
					tmp.BeeLogger.Close()
				}
			}
			wg.Done()
		}()
	}
	wg.Wait()

}

func CloseAll() {
	wg := &sync.WaitGroup{}
	loggers.Range(func(key, value interface{}) bool {
		wg.Add(1)
		go func() {
			if tmp, ok := value.(*Logger); ok {
				tmp.BeeLogger.Close()
				loggers.Delete(key)
			}
			wg.Done()
		}()
		return true
	})
	wg.Wait()
}

func init() {
	var level Level = LevelInfo
	if os.Getenv(envkey) == "dev" {
		level = LevelAll
	}

	defaultModeMapping["es"] = []AdapterTupple{{level, AdapterConsole}, {level, AdapterElasticSearch}}
	defaultModeMapping["ali"] = []AdapterTupple{{level, AdapterConsole}, {level, AdapterAliLs}}
	defaultModeMapping[""] = []AdapterTupple{{level, AdapterConsole}, {level, AdapterFile}}
}