/**
 * @Author:  jager
 * @Email:   lhj168os@gmail.com
 * @File:    user
 * @Date:    2021/12/31 2:52 下午
 * @package: user
 * @Version: v1.0.0
 *
 * @Description:
 *
 */

package user

import (
	"fmt"
	"github.com/jageros/hawox/encrypt"
	"github.com/jageros/hawox/errcode"
	"github.com/jageros/hawox/redis"
	"github.com/tal-tech/go-zero/core/stores/cache"
	"github.com/tal-tech/go-zero/core/stores/sqlx"
	"idata/internal/service/user/dao"
	"idata/internal/types"
	"sync"
)

var (
	userModel dao.UsersModel
	userPool  sync.Pool
)

func init() {
	userPool = sync.Pool{
		New: func() interface{} {
			return user{}
		},
	}
}

func InitDao(conn sqlx.SqlConn, c cache.CacheConf) {
	userModel = dao.NewUsersModel(conn, c)
}

type user struct {
	data *dao.Users
}

func newUser(uid string) (*user, error) {
	uData, err := userModel.FindOneByUid(uid)
	if err == nil {
		return nil, errcode.New(5000, "uid exist")
	}
	if err != dao.ErrNotFound {
		return nil, err
	}

	uData = &dao.Users{
		Uid:    uid,
		Phone:  uid,
		Openid: uid,
		Secret: uid,
		Name:   fmt.Sprintf("U_%s", uid),
	}
	usr := userPool.Get().(user)
	usr.data = uData
	return &usr, nil
}

func getRUser(uid string) (user, error) {
	usr := userPool.Get().(user)
	uData, err := userModel.FindOneByUid(uid)
	usr.data = uData
	return usr, err
}

func getRWUser(uid string) (*user, error) {
	uData, err := userModel.FindOneByUid(uid)
	if err != nil {
		return nil, err
	}
	usr := userPool.Get().(user)
	usr.data = uData
	return &usr, nil
}

func OperateSync(uid string, f func(types.RWUser)) error {
	var err error
	err2 := redis.LockExec(uid, func(key string) {
		var u *user
		u, err = getRWUser(uid)
		if err == nil {
			f(u)
			err = userModel.Update(*u.data)
		}
		userPool.Put(*u)
	})
	if err2 != nil {
		return err2
	}
	return err
}

func Operate(uid string, f func(u types.RUser)) error {
	u, err := getRUser(uid)
	if err == nil {
		f(u)
	}
	userPool.Put(u)
	return err
}

func RegistryUser(uid string, f func(u types.RWUser)) error {
	var err error
	err2 := redis.LockExec(uid, func(key string) {
		var u *user
		u, err = newUser(uid)
		if err == nil {
			f(u)
			_, err = userModel.Insert(*u.data)
		}
		userPool.Put(*u)
	})
	if err2 != nil {
		return err2
	}
	return err
}

// ====== Types.RUser 实现 ======

func (u user) Uid() string {
	return u.data.Uid
}

func (u user) Openid() string {
	if u.data.Openid == u.data.Uid {
		return ""
	}
	return u.data.Openid
}

func (u user) Phone() string {
	if u.data.Phone == u.data.Uid {
		return ""
	}
	return u.data.Phone
}

func (u user) Secret() string {
	return u.data.Secret
}

func (u user) Name() string {
	return u.data.Name
}

func (u user) Gender() int64 {
	return u.data.Gender
}

func (u user) Score() int64 {
	return u.data.Score
}

func (u user) Avatar() string {
	return u.data.Avatar
}

// ========== end ==========

// ====== Types.RWUser 实现 ======

func (u *user) SetOpenid(openid string) {
	u.data.Openid = openid
}

func (u *user) SetPhone(phone string) {
	u.data.Phone = phone
}

func (u *user) SetSecret(secret string) {
	u.data.Secret = secret
}

func (u *user) SetName(name string) {
	u.data.Name = name
}

func (u *user) SetAvatar(avatar string) {
	u.data.Avatar = avatar
}

func (u *user) SetGender(gender int64) {
	u.data.Gender = gender
}

func (u *user) SetScore(score int64) {
	u.data.Score = score
}

func (u *user) SetPassword(pwd string) {
	u.data.Password = encrypt.Md5(pwd)
}

// ========== end ==========