package logger

import (
	"time"

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

func NewZap(debug bool) *zap.Logger {
	level := zapcore.InfoLevel
	if debug {
		level = zapcore.DebugLevel
	}
	log, err := zap.Config{
		Level:            zap.NewAtomicLevelAt(level),
		Development:      debug,
		Encoding:         "console",
		EncoderConfig:    EncoderConfig(),
		OutputPaths:      []string{"stdout"},
		ErrorOutputPaths: []string{"stderr"},
	}.Build()
	if err != nil {
		panic(err)
	}
	return log
}

func EncoderConfig() zapcore.EncoderConfig {
	return zapcore.EncoderConfig{
		MessageKey:    "message",
		LevelKey:      "level",
		TimeKey:       "timestamp",
		NameKey:       "logger",
		CallerKey:     "caller",
		FunctionKey:   zapcore.OmitKey,
		StacktraceKey: "",
		LineEnding:    "\n",
		EncodeLevel: func(level zapcore.Level, encoder zapcore.PrimitiveArrayEncoder) {
			encoder.AppendString("level=" + level.String())
		},
		EncodeTime: func(t time.Time, encoder zapcore.PrimitiveArrayEncoder) {
			encoder.AppendString("time=" + t.Format(time.RFC3339))
		},
		EncodeDuration: zapcore.StringDurationEncoder,
		EncodeCaller: func(caller zapcore.EntryCaller, encoder zapcore.PrimitiveArrayEncoder) {
			encoder.AppendString("caller=" + caller.TrimmedPath())
		},
		EncodeName:       zapcore.FullNameEncoder,
		ConsoleSeparator: " ",
	}
}