package user

import (
	"SciencesServer/app/api/enterprise/model"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/handle"
	"SciencesServer/app/session"
	"SciencesServer/utils"
	"errors"
)

type Bank struct {
	*session.Enterprise
}

type BankHandle func(session *session.Enterprise) *Bank

type (
	// BankInfo 银行卡信息
	BankInfo struct {
		ID string `json:"id"`
		*model2.UserBank
	}
	// BankParams 银行卡参数信息
	BankParams struct {
		Name, IDCard, BankCard, BankName string
	}
)

// checkIDCard 验证身份证号
func (c *BankParams) checkIDCard() bool {
	return utils.ValidateIDCard(c.IDCard)
}

// checkBankCard 验证银行卡号
func (c *BankParams) checkBankCard() bool {
	return true
}

// List 列表信息
func (c *Bank) List() ([]*BankInfo, error) {
	mUserManageBank := model.NewUserBank()

	out := make([]*model2.UserBank, 0)

	where := []*model2.ModelWhereOrder{&model2.ModelWhereOrder{
		Where: model2.NewWhere("uid", c.UID),
		Order: model2.NewOrder("is_default", model2.OrderModeToDesc),
	}}
	if err := model2.Find(mUserManageBank.UserBank, &out, where...); err != nil {
		return nil, err
	}
	list := make([]*BankInfo, 0)

	for _, v := range out {
		list = append(list, &BankInfo{ID: v.GetEncodeID(), UserBank: v})
	}
	return list, nil
}

// Bind 绑定
func (c *Bank) Bind(params *BankParams, captcha string) error {
	pass, err := handle.NewCaptcha().Validate(&handle.CaptchaSms{
		Mobile: c.Mobile, Captcha: captcha,
	})
	if err != nil {
		return err
	} else if !pass {
		return errors.New("验证码错误或已过期")
	}

	if !params.checkIDCard() {
		return errors.New("身份证号信息错误")
	}
	if !params.checkBankCard() {
		return errors.New("银行卡信息错误")
	}
	mUserManageBank := model.NewUserBank()

	var count int64

	if err = model2.Count(mUserManageBank.UserBank, &count, model2.NewWhere("bank_card", params.BankCard)); err != nil {
		return err
	} else if count > 0 {
		return errors.New("当前银行卡已被注册")
	}
	mUserManageBank.UID = c.UID
	mUserManageBank.Name = params.Name
	mUserManageBank.IDCard = params.IDCard
	mUserManageBank.BankCard = params.BankCard
	mUserManageBank.BankName = params.BankName

	if err = model2.Count(mUserManageBank.UserBank, &count, model2.NewWhere("uid", c.UID)); err != nil {
		return err
	} else if count <= 0 {
		mUserManageBank.IsDefault = model2.UserBankDefaultForYes
	}
	return model2.Create(mUserManageBank.UserBank)
}

// Unbind 解绑，直接删除
func (c *Bank) Unbind(id uint64) error {
	mUserManageBank := model.NewUserBank()
	mUserManageBank.ID = id

	isExist, err := model2.FirstField(mUserManageBank.UserBank, []string{"id", "uid"})

	if err != nil {
		return err
	} else if !isExist {
		return errors.New("操作错误，绑定信息不存在")
	} else if mUserManageBank.UID != c.UID {
		return errors.New("无权限操作")
	}
	return model2.Delete(mUserManageBank)
}

func NewBank() BankHandle {
	return func(session *session.Enterprise) *Bank {
		return &Bank{Enterprise: session}
	}
}