package account

import (
	model3 "SciencesServer/app/api/enterprise/model"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/handle"
	"SciencesServer/serve/orm"
	"SciencesServer/utils"
	"errors"
	"gorm.io/gorm"
)

type Register struct{ local string }

type RegisterHandle func(local string) *Register

type (
	RegisterParams struct {
		Name, Mobile, Captcha, Password, RepeatPass string
	}
)

func (c *RegisterParams) checkPassword() bool {
	return c.Password == c.RepeatPass
}

func (c *RegisterParams) checkCaptcha() (bool, error) {
	return handle.NewCaptcha().Validate(&handle.CaptchaSms{Captcha: c.Captcha, Mobile: c.Mobile})
}

func (c *RegisterParams) checkUserExist(mUserInstance *model2.UserInstance, local string) (bool, error) {
	var count int64

	if err := model2.Count(mUserInstance, &count, model2.NewWhere("mobile", c.Mobile)); //model2.NewWhere("local", local)
	err != nil {
		return false, err
	}
	return count <= 0, nil
}

// Launch 发起注册
func (c *Register) Launch(params *RegisterParams) (*InstanceLoginReturn, error) {
	// 验证密码
	if !params.checkPassword() {
		return nil, errors.New("两次密码不一致")
	}
	// 验证验证码
	pass, err := params.checkCaptcha()

	if err != nil {
		return nil, err
	} else if !pass {
		return nil, errors.New("验证码错误或已过期")
	}
	// 验证账号信息
	mUserInstance := model3.NewUserInstance()

	if pass, err = params.checkUserExist(mUserInstance.UserInstance, c.local); err != nil {
		return nil, err
	} else if !pass {
		return nil, errors.New("当前手机号码已注册")
	}
	if params.Name == "" {
		params.Name = params.Mobile
	}
	mUserInstance.Source = model2.UserInstanceSourceForLocal
	mUserInstance.Password = utils.GetRandomString(12)
	mUserInstance.Mobile = params.Mobile
	mUserInstance.Name = params.Name
	mUserInstance.Password = params.Password

	if err = orm.GetDB().Transaction(func(tx *gorm.DB) error {
		if err = model2.Create(mUserInstance.UserInstance, tx); err != nil {
			return err
		}
		return nil
	}); err != nil {
		return nil, err
	}
	return NewInstance()().Login()(&InstanceLoginParams{
		UID: mUserInstance.UUID, Name: mUserInstance.Name, Mobile: mUserInstance.Mobile,
		Identity: mUserInstance.Identity,
	}), err
}

func NewRegister() RegisterHandle {
	return func(local string) *Register {
		return &Register{local: local}
	}
}