package auth

import (
	"context"
	"fmt"
	g "platform/web/globals"
	m "platform/web/models"
	q "platform/web/queries"
	"time"

	"gorm.io/gen/field"
)

func FindSession(accessToken string, now time.Time) (*m.Session, error) {
	return q.Session.
		Preload(field.Associations).
		Where(
			q.Session.AccessToken.Eq(accessToken),
			q.Session.AccessTokenExpires.Gt(now),
		).First()
}

func FindSessionByRefresh(refreshToken string, now time.Time) (*m.Session, error) {
	return q.Session.
		Preload(field.Associations).
		Where(
			q.Session.RefreshToken.Eq(refreshToken),
			q.Session.RefreshTokenExpires.Gt(now),
		).First()
}

func SaveSession(session *m.Session) error {
	return q.Session.Save(session)
}

func RemoveSession(ctx context.Context, accessToken string, refreshToken string) error {
	g.Redis.Del(ctx, accessKey(accessToken), refreshKey(refreshToken))
	return nil
}

// 令牌键的格式为 "session:<token>"
func accessKey(token string) string {
	return fmt.Sprintf("session:%s", token)
}

// 刷新令牌键的格式为 "session:refreshKey:<token>"
func refreshKey(token string) string {
	return fmt.Sprintf("session:refresh:%s", token)
}