// Package log provides the colored console logger setup and the business
// Record* helpers, ported from sdf-serve pkg/common/log.
package log

import (
	"context"
	stdErrors "errors"
	"fmt"

	"udeServer/internal/apierr"
	"udeServer/internal/response"

	"github.com/zeromicro/go-zero/core/logx"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
)

// SetupLoggerWithColor replaces the global zap logger with a colored
// development configuration. It only takes effect when Log.Mode is "console";
// otherwise go-zero keeps its default logging behaviour.
func SetupLoggerWithColor(conf logx.LogConf) {
	if conf.Mode != "console" {
		return
	}

	cfg := zap.NewDevelopmentConfig()
	cfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
	cfg.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
	cfg.Level = zap.NewAtomicLevelAt(getZapLevel(conf.Level))

	logger, err := cfg.Build()
	if err != nil {
		panic(err)
	}
	zap.ReplaceGlobals(logger)
}

func getZapLevel(level string) zapcore.Level {
	switch level {
	case "debug":
		return zapcore.DebugLevel
	case "info":
		return zapcore.InfoLevel
	case "warn":
		return zapcore.WarnLevel
	case "error":
		return zapcore.ErrorLevel
	default:
		return zapcore.InfoLevel
	}
}

// RecordError logs an error. For HTTP-aware errors (apierr.Error) the mapped
// business code is reported as well; anything else is logged as a system
// error with its full cause.
func RecordError(ctx context.Context, err error) {
	var apiErr *apierr.Error
	if stdErrors.As(err, &apiErr) {
		logx.WithContext(ctx).Errorf("【BUSINESS_ERROR】Status:%d, Code:%d, Msg:%s",
			apiErr.Status, response.Code(err), apiErr.Msg)
	} else {
		logx.WithContext(ctx).Errorf("【SYSTEM_ERROR】Cause: %+v", err)
	}
}

// RecordInfo logs ordinary business information.
func RecordInfo(ctx context.Context, format string, args ...interface{}) {
	logx.WithContext(ctx).Infof("【BUSINESS_INFO】"+format, args...)
}

// RecordWarn logs issues worth attention that do not necessarily alert.
// go-zero logx has no Warn level, so warnings go through the global zap
// logger (same as sdf-serve); the ctx parameter stays for call-site
// compatibility.
func RecordWarn(ctx context.Context, format string, args ...interface{}) {
	zap.L().Warn(fmt.Sprintf("【BUSINESS_WARN】"+format, args...))
}

// RecordDebug logs development-time debug information.
func RecordDebug(ctx context.Context, format string, args ...interface{}) {
	logx.WithContext(ctx).Debugf("【BUSINESS_DEBUG】"+format, args...)
}