package model

import "encoding/json"

// Correct historical error-log presentation from the already-stored routing
// evidence, without rewriting financial history or exposing private metadata.
// Consume records always retain their original billed group.
func normalizeErrorLogGroup(log *Log) {
	if log == nil || log.Type != LogTypeError {
		return
	}
	if log.ChannelId <= 0 {
		log.Group = ""
		return
	}
	var other struct {
		Admin struct {
			Events []struct {
				ChannelID int    `json:"channel_id"`
				Group     string `json:"group"`
			} `json:"request_policy"`
		} `json:"admin_info"`
	}
	if json.Unmarshal([]byte(log.Other), &other) != nil {
		return
	}
	for i := len(other.Admin.Events) - 1; i >= 0; i-- {
		event := other.Admin.Events[i]
		if event.ChannelID == log.ChannelId && event.Group != "" && event.Group != "auto" {
			log.Group = event.Group
			return
		}
	}
}