package service

import (
	"context"
	"encoding/json"
	"fmt"
	"time"
	"youngee_b_api/consts"
	"youngee_b_api/model/redis_model"
	"youngee_b_api/model/system_model"
	"youngee_b_api/redis"
)

var LoginAuth *loginAuth

func LoginAuthInit(config *system_model.Session) {
	auth := new(loginAuth)
	auth.sessionTTL = time.Duration(config.TTL) * time.Minute
	LoginAuth = auth
}

type loginAuth struct {
	sessionTTL time.Duration
}

func (l *loginAuth) AuthToken(ctx context.Context, token string) (*redis_model.Auth, error) {
	value, err := redis.Get(ctx, l.getRedisKey(token))
	if err != nil {
		if err == consts.RedisNil {
			return nil, fmt.Errorf("not found in redis,token:%+v", token)
		}
		return nil, err
	}
	auth := new(redis_model.Auth)
	if err = json.Unmarshal([]byte(value), auth); err != nil {
		return nil, err
	}
	return auth, nil

}
func (l *loginAuth) AuthPassword(ctx context.Context, phone, password string) *redis_model.Auth {
	//需要添加mysql库认证逻辑
	// todo
	auth := &redis_model.Auth{
		Phone: phone,
	}
	if authJson, err := json.Marshal(auth); err == nil {
		err = redis.Set(ctx, l.getRedisKey(phone), string(authJson), l.sessionTTL)
		if err == nil {
			return auth
		}
	}
	return nil
}
func (l *loginAuth) getRedisKey(key string) string {
	return fmt.Sprintf("%s%s", consts.SessionRedisPrefix, key)
}