package logs

import (
	"bytes"
	"fmt"
	"io"
	"os"
	"path"
	"time"

	"github.com/sirupsen/logrus"
)

var Log *logrus.Logger

const (
	red    = 31
	yellow = 33
	blue   = 36
	gray   = 37
)

type LogFormatter struct {
}

func (t LogFormatter) Format(entry *logrus.Entry) ([]byte, error) {

	//根据不同的level展示颜色
	var levelColor int
	switch entry.Level {
	case logrus.DebugLevel, logrus.TraceLevel:
		levelColor = gray
	case logrus.WarnLevel:
		levelColor = yellow
	case logrus.ErrorLevel, logrus.FatalLevel, logrus.PanicLevel:
		levelColor = red
	default:
		levelColor = blue
	}

	//字节缓冲区
	var b *bytes.Buffer
	if entry.Buffer != nil {
		b = entry.Buffer
	} else {
		b = &bytes.Buffer{}
	}
	//自定义日期格式
	timestamp := entry.Time.Format("2006-01-02 15:04:06")
	if entry.HasCaller() {
		//自定义文件路径
		//fmt.Println("自定义文件路径")
		funcVal := entry.Caller.Function
		fileVal := fmt.Sprintf("%s:%d", path.Base(entry.Caller.File), entry.Caller.Line)
		//自定义输出格式
		fmt.Fprintf(b, "[%s] \033[%dm[%s]\033[0m %s %s %s \n", timestamp, levelColor, entry.Level, fileVal, funcVal, entry.Message)
	} else {
		fmt.Println(" else else自定义文件路径")
		fmt.Fprintf(b, "[%s] \033[%dm[%s]\033[0m %s  %s %s  \n", timestamp, levelColor, entry.Level, entry.Message)
	}

	return b.Bytes(), nil
}
func InitLogger() *logrus.Logger {
	// 定义logs文件夹的路径
	logsDir := "./logs"

	// 尝试获取logs文件夹的信息
	_, err := os.Stat(logsDir)
	if os.IsNotExist(err) {
		// 如果文件夹不存在，则创建它
		err = os.MkdirAll(logsDir, 0755)
		if err != nil {
			// 处理创建文件夹时可能遇到的错误
			fmt.Println("创建文件夹时出错:", err)
		}
	}

	mLog := logrus.New() //新建一个实例
	currentTime := time.Now().Format("2006-01-02 15.04.06")
	logName := "./logs/xuguALL_" + currentTime + "txt"
	file, _ := os.OpenFile(logName, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0755)
	mLog.SetOutput(io.MultiWriter(os.Stdout, file)) //设置输出类型
	mLog.SetReportCaller(true)                      //开启返回函数名和行号
	//mLog.SetFormatter(&logrus.JSONFormatter{})//设置自定义的Formatter
	mLog.SetFormatter(&LogFormatter{}) //设置自定义的Formatter
	mLog.SetLevel(logrus.DebugLevel)   //设置最低等级
	return mLog
}