package accountlogic

import (
	"app-cloudep-member-server/internal/model"
	"context"
	"fmt"

	ers "code.30cm.net/digimon/library-go/errors"

	"app-cloudep-member-server/gen_result/pb/member"
	"app-cloudep-member-server/internal/svc"

	"github.com/zeromicro/go-zero/core/logx"
)

type BindAccountLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewBindAccountLogic(ctx context.Context, svcCtx *svc.ServiceContext) *BindAccountLogic {
	return &BindAccountLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

type bindLoginUserReq struct {
	Account string `json:"account" validate:"account"`
	UID     string `json:"uid" `
	Type    int64  `json:"type" validate:"required,oneof=1 2 3"`
}

// BindAccount 綁定帳號 -> account bind to UID
func (l *BindAccountLogic) BindAccount(in *member.BindingUserReq) (*member.BindingUserResp, error) {
	// 驗證資料
	if err := l.svcCtx.Validate.ValidateAll(&bindLoginUserReq{
		Account: in.GetLoginId(),
		Type:    in.GetType(),
	}); err != nil {
		return nil, ers.InvalidFormat(err.Error())
	}

	// 先確定有這個Account
	if _, err := l.svcCtx.AccountModel.FindOneByAccount(l.ctx, in.GetLoginId()); err != nil {
		return nil, ers.ResourceNotFound(fmt.Sprintf("failed to get account : %s ", in.GetLoginId()))
	}

	var err error
	uid := in.GetUid()
	// 有 UID 綁看看，沒帶UID 近來，確認沒重複就直接綁一個給他
	if in.GetUid() == "" {
		uid, err = l.svcCtx.GenUIDUseCase.Generate(l.ctx)
		if err != nil {
			return nil, ers.ArkInternal(fmt.Sprintf("[GenUIDUseCase.Generate] failed to get account : %s ", in.GetLoginId()))
		}
	}

	if _, err := l.svcCtx.AccountToUidModel.Insert(l.ctx, &model.AccountToUid{
		Account: in.LoginId,
		Uid:     uid,
		Type:    in.GetType(),
	}); err != nil {
		return nil, ers.DBError(err.Error())
	}

	return &member.BindingUserResp{
		LoginId: in.LoginId,
		Uid:     uid,
		Type:    in.GetType(),
	}, nil
}