package log

import (
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
	"os"
	"time"
)

var (
	zapLogger *zap.Logger
	ZapLog    *zap.Logger
	Debug     = zapLogger.Debug
	Info      = zapLogger.Info
	Warn      = zapLogger.Warn
	Error     = zapLogger.Error
	Fatal     = zapLogger.Fatal
)

func newEncoderConfig() zapcore.EncoderConfig {
	return zapcore.EncoderConfig{
		// Keys can be anything except the empty string.
		TimeKey:        "T",
		LevelKey:       "L",
		NameKey:        "N",
		CallerKey:      "C",
		MessageKey:     "M",
		StacktraceKey:  "S",
		LineEnding:     zapcore.DefaultLineEnding,
		EncodeLevel:    zapcore.CapitalLevelEncoder,
		EncodeTime:     timeEncoder,
		EncodeDuration: zapcore.StringDurationEncoder,
		EncodeCaller:   zapcore.ShortCallerEncoder,
	}
}

func init() {
	core := zapcore.NewCore(
		zapcore.NewConsoleEncoder(newEncoderConfig()),
		zapcore.NewMultiWriteSyncer(zapcore.AddSync(os.Stdout)),
		zap.DebugLevel,
	)
	zapLogger = zap.New(core, zap.AddCaller())
	ZapLog = zapLogger
	Debug = zapLogger.Debug
	Info = zapLogger.Info
	Warn = zapLogger.Warn
	Error = zapLogger.Error
	Fatal = zapLogger.Fatal
}

func timeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
	enc.AppendString(t.Format("2006-01-02 15:04:05"))
}

type Field = zap.Field

func Any(key string, value interface{}) Field {
	return zap.Any(key, value)
}

func E(err error) Field {
	return Any("err", err)
}