package orm

import (
	"net/http"
)

type Modifier interface {
	SetCreatorID(id uint)
	SetUpdaterID(id uint)

	SetCreatorRole(role string)
	SetUpdaterRole(role string)

	SetCreatorIP(addr string)
	SetUpdaterIP(addr string)
}

type UserModifier struct {
	CreatorID uint
	UpdaterID uint

	CreatorRole string
	UpdaterRole string

	CreatorIP string
	UpdaterIP string

	Creator *User
	Updater *User
}

func (um UserModifier) CreatedBy() *User {
	switch um.CreatorRole {
	case "administrator":
		return &AdministratorUser
	case "subscriber":
		return &SubscriberUser
	}
	return um.Creator
}

func (um UserModifier) UpdatedBy() *User {
	switch um.UpdaterRole {
	case "administrator":
		return &AdministratorUser
	case "subscriber":
		return &SubscriberUser
	}

	return um.Updater
}

func WriteCreator(r *http.Request, modifier Modifier) {
	modifier.SetCreatorID(getUserIDFromTokenAsUint(r))
	modifier.SetCreatorRole(getUserRole(r))
	modifier.SetCreatorIP(r.Header.Get("X-Forwarded-For"))
}

func WriteUpdater(r *http.Request, modifier Modifier) {
	modifier.SetUpdaterID(getUserIDFromTokenAsUint(r))
	modifier.SetUpdaterRole(getUserRole(r))
	modifier.SetUpdaterIP(r.Header.Get("X-Forwarded-For"))
}