// Package middle/middle_service.go
package middle

import (
	"Quincy_admin/schemas"
	"fmt"

	"github.com/jmoiron/sqlx"
)

type MService struct {
	db *sqlx.DB
}

func NewMiddleService(db *sqlx.DB) *MService {
	return &MService{db: db}
}

// GetUserID 验证令牌并返回用户信息
//func (s *MService) GetUserID(scode string) (*schemas.UserInfo, error) {
//	// 从Redis获取用户信息
//	InitRedis := utils.GetRedis()
//	ctx := utils.GetContext()
//
//	// 尝试从Redis获取用户会话信息
//	userInfoStr, err := InitRedis.Get(ctx, scode).Result()
//	if err != nil {
//		// Redis中未找到会话信息，视为登录过期
//		return nil, fmt.Errorf("登录已过期")
//	}
//
//	// 解析Redis中的用户信息
//	var user schemas.UserInfo
//	err = json.Unmarshal([]byte(userInfoStr), &user)
//	if err != nil {
//		return nil, fmt.Errorf("会话信息解析失败")
//	}
//
//	return &user, nil
//}

// GetUserID 验证令牌并返回用户ID
func (s *MService) GetUserID(scode string) (*schemas.UserInfo, error) {
	// 实现令牌验证逻辑
	query := `
		SELECT
		  tb1.id,
		  COALESCE(tb2.role_id, 0) AS rolecode,
		  tb1.sessioncode,
		  tb1.username,
		  tb1.password,
		  tb1.nickname,
		  tb1.email,
		  tb1.avatar,
		  tb1.status,
		  tb1.register_time,
		  tb1.last_login_time
		FROM
		  admin_user tb1
		  JOIN admin_user_role tb2 ON tb1.id = tb2.user_id
		WHERE
		  sessioncode = ?
		ORDER BY
		  tb1.id
		  LIMIT 1;
    `

	user := &schemas.UserInfo{}
	err := s.db.Get(user, query, scode)
	if err != nil {
		return nil, err
	}

	return user, nil
}

// HasPermission 检查用户是否有特定权限
func (s *MService) HasPermission(userID int, permission string) error {
	query := `
		SELECT
		  COUNT(*) > 0 AS has_permission
		FROM
		  admin_user au
		  JOIN admin_user_role aur ON au.id = aur.user_id
		  JOIN admin_role ar ON aur.role_id = ar.id
		  JOIN admin_role_permission arp ON ar.id = arp.role_id
		  JOIN admin_permission ap ON arp.permission_id = ap.id
		WHERE
		  au.id = ?
		  AND ap.name = ?
    `

	var hasPermission bool
	err := s.db.Get(&hasPermission, query, userID, permission)
	if err != nil {
		return err
	}

	fmt.Println(hasPermission)

	// 根据权限检查结果返回相应错误
	if !hasPermission {
		return fmt.Errorf("user %d does not have permission %s", userID, permission)
	}

	return nil
}

// IsSuperAdmin 检查是否为超级管理员
func (s *MService) IsSuperAdmin(userID int) bool {
	return userID == 1
}