package log

import (
	_ "embed"
	"errors"
	"fmt"
	"gitee.com/kristas/booting-go/framework/core/configure"
	"gitee.com/kristas/booting-go/framework/core/ioc/bean_factory"
	"gitee.com/kristas/booting-go/framework/core/ioc/bean_repository"
)

var logger Logger

//go:embed layout.yml
var layout []byte

type LoggerFactory struct {
	Conf          *Configure
	LoggerFactory ILoggerFactory
}

func Init() error {
	var f = &LoggerFactory{}
	err := bean_factory.CreateBean(f)
	if err != nil {
		return err
	}
	if f.Conf.Style == nil {
		configure.AddConfigReader(func(environment string) []byte {
			return layout
		})
	}
	err = configure.BindConfiguration(f.Conf)
	if err != nil {
		return err
	}

	adapter := f.LoggerFactory.GetLogger(f.Conf.Instance)
	level, err := parseLevel(f.Conf.Level)
	if err != nil {
		return err
	}
	adapter.SetLevel(level)
	logger, err = New(adapter, f.Conf, DefaultDepth)
	if err != nil {
		return err
	}
	bean_repository.RegisterSingletonBean(logger)
	return nil
}

func GetLog() Logger {
	return logger
}

func parseLevel(level string) (Level, error) {
	levelMapping := map[string]Level{
		"panic": Panic,
		"fatal": Fatal,
		"error": Error,
		"warn":  Warn,
		"info":  Info,
		"debug": Debug,
		"trace": Trace,
	}
	if lvl, ok := levelMapping[level]; ok {
		return lvl, nil
	}
	return 0, errors.New(fmt.Sprintf("log level %s not support", level))
}