package logger

import (
	"os"
	"recipe-manager/config"
	"time"

	"github.com/natefinch/lumberjack"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
)

type TaoLogger struct {
	cfg         *config.ServerConfig
	enableDebug bool
	Log         *zap.Logger
}

func (tl *TaoLogger) initConfig() *zap.Logger {

	enableDebugMode := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
		return lvl >= zap.InfoLevel || tl.enableDebug
	})

	logCore := zapcore.NewTee(
		zapcore.NewCore(zapcore.NewJSONEncoder(zapcore.EncoderConfig{
			TimeKey:       "timestamp",
			LevelKey:      "level",
			NameKey:       "logger",
			CallerKey:     "caller",
			MessageKey:    "message",
			StacktraceKey: "error",
			EncodeLevel:   zapcore.LowercaseLevelEncoder,
			EncodeTime:    zapcore.TimeEncoderOfLayout(time.DateTime),
		}), zapcore.AddSync(&lumberjack.Logger{
			Filename:  "services/logger/serverlog.log",
			MaxSize:   5,  // megabytes
			MaxAge:    28, //days
			LocalTime: true,
			Compress:  true,
		}), enableDebugMode),
		zapcore.NewCore(zapcore.NewConsoleEncoder(zapcore.EncoderConfig{
			TimeKey:       "timestamp",
			LevelKey:      "level",
			NameKey:       "logger",
			CallerKey:     "caller",
			MessageKey:    "message",
			StacktraceKey: "error",
			EncodeLevel:   zapcore.CapitalColorLevelEncoder,
			EncodeTime:    zapcore.ISO8601TimeEncoder,
		}), zapcore.AddSync(os.Stdout), enableDebugMode),
	)

	return zap.New(logCore)
}

func NewTaoLogger(cfg *config.ServerConfig) *TaoLogger {
	logger := &TaoLogger{cfg, false, nil}
	logger.Log = logger.initConfig()

	if cfg.Debug {
		// logger.SetLevel("DEBUG")
		logger.Log.Debug("Debug mode", zap.Bool("enable", cfg.Debug))
		logger.enableDebug = true
	}

	return logger
}