package main

import (
	"errors"
	"time"

	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
)

func main() {
	var ErrTest = errors.New("test error")

	//logger := prodLogger()
	logger := devLogger()
	defer logger.Sync()

	logger.Debug("message")
	logger.Info("message")
	logger.Warn("message")
	logger.Error("message", zap.Error(ErrTest))

	// With fields
	logger.Info("failed to fetch URL",
		zap.String("url", "http://example.com"),
		zap.Int("attempt", 3),
		zap.Duration("backoff", time.Second),
	)

	// Sugar
	sugar := logger.Sugar()

	sugar.Infow("failed to fetch URL",
		"url", "http://example.com",
		"attempt", 3,
		"backoff", time.Second,
	)

	logger.Fatal("message", zap.Error(ErrTest))
}

func prodLogger() *zap.Logger {
	config := zap.Config{
		Level:            zap.NewAtomicLevelAt(zap.InfoLevel),
		Development:      false,
		Encoding:         "json",
		EncoderConfig:    zap.NewProductionEncoderConfig(),
		OutputPaths:      []string{"stdout"},
		ErrorOutputPaths: []string{"stderr"},
	}

	return zap.Must(config.Build())
}

func devLogger() *zap.Logger {
	config := zap.Config{
		Level:             zap.NewAtomicLevelAt(zap.DebugLevel),
		Development:       true,
		DisableStacktrace: true,
		Encoding:          "console",
		EncoderConfig:     zap.NewDevelopmentEncoderConfig(),
		OutputPaths:       []string{"stdout"},
		ErrorOutputPaths:  []string{"stderr"},
	}

	config.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder

	return zap.Must(config.Build())
}