package log

import (
	"os"

	zaplogfmt "github.com/sykesm/zap-logfmt"
	prettyconsole "github.com/thessem/zap-prettyconsole"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
	"moul.io/zapfilter"
)

type Logger struct {
	logger *zap.SugaredLogger
}

func (l Logger) DPanic(msg string, rest ...any) {
	l.logger.DPanicw(msg, rest...)
}
func (l Logger) Debug(msg string, rest ...any) {
	l.logger.Debugw(msg, rest...)
}
func (l Logger) Info(msg string, rest ...any) {
	l.logger.Infow(msg, rest...)
}
func (l Logger) Warn(msg string, rest ...any) {
	l.logger.Warnw(msg, rest...)
}
func (l Logger) Error(msg string, rest ...any) {
	l.logger.Errorw(msg, rest...)
}
func (l Logger) Panic(msg string, rest ...any) {
	l.logger.Panicw(msg, rest...)
}
func (l Logger) Fatal(msg string, rest ...any) {
	l.logger.Fatalw(msg, rest...)
}

func (l Logger) Named(name string) *Logger {
	return &Logger{
		logger: l.logger.Named(name),
	}
}
func (l Logger) With(args ...any) *Logger {
	return &Logger{
		logger: l.logger.With(args...),
	}
}

func (l Logger) GetLogger() *zap.Logger {
	return l.logger.Desugar()
}

func getLevelFromEnv() (zapcore.Level, error) {
	if str, found := os.LookupEnv("LOG_LEVEL"); found {
		l, err := zapcore.ParseLevel(str)

		return l, err
	}

	return zap.InfoLevel, nil
}

var atom zap.AtomicLevel

func Configure(isProduction bool) *Logger {
	var l *zap.Logger
	atom = zap.NewAtomicLevel()
	level, err := getLevelFromEnv()
	if err != nil {
		panic(err)
	}
	atom.SetLevel(level)

	if isProduction {
		cfg := zap.NewProductionEncoderConfig()
		cfg.TimeKey = ""
		l = zap.New(zapcore.NewCore(zaplogfmt.NewEncoder(cfg), os.Stderr, atom))
	} else {
		cfg := prettyconsole.NewEncoderConfig()
		cfg.TimeKey = ""
		var filter zapfilter.FilterFunc
		if debug := os.Getenv("DEBUG"); debug != "" {
			filter = zapfilter.Any(zapfilter.MinimumLevel(level), zapfilter.ByNamespaces(debug))
		} else {
			filter = zapfilter.MinimumLevel(level)
		}
		l = zap.New(zapfilter.NewFilteringCore(
			zapcore.NewCore(prettyconsole.NewEncoder(cfg), os.Stderr, zap.DebugLevel),
			filter,
		))
	}

	return &Logger{
		logger: l.WithOptions(zap.AddCallerSkip(1)).Sugar(),
	}
}

func SetLevel(level zapcore.Level) {
	atom.SetLevel(level)
}