package fslog

import (
	"log"
	"os"
	"runtime/debug"
)

const (
	levelInfo    = "INFO"
	levelDebug   = "DEBUG"
	levelError   = "ERROR"
	levelWarning = "WARNING"
)

const (
	logHeaderFormat = `[level=%s service=%s module=%s subject=%s object=%s operation=%s] %s`
)

func init() {
	log.SetOutput(os.Stdout)
	log.SetFlags(log.Ldate | log.Ltime)
}

func Info(serviceName string, moduleName string, subject string, object string,
	operation string, content string) {
	sendConsoleLog(levelInfo, serviceName, moduleName, subject, object, operation, content)
}

func Error(serviceName string, moduleName string, subject string,
	object string, operation string, content string) {
	sendConsoleLog(levelError, serviceName, moduleName, subject, object, operation,
		content+"\n"+string(debug.Stack()))
}

func Debug(serviceName string, moduleName string, subject string,
	object string, operation string, content string) {
	sendConsoleLog(levelDebug, serviceName, moduleName, subject, object, operation, content)
}

func Warning(serviceName string, moduleName string, subject string,
	object string, operation string, content string) {
	sendConsoleLog(levelWarning, serviceName, moduleName, subject, object, operation, content)
}

func sendConsoleLog(level string, serviceName string, moduleName string, subject string,
	object string, operation string, content string) {
	log.Printf(logHeaderFormat, level, serviceName, moduleName, subject, object, operation, content)
}