package logic

import (
	"context"
	"fmt"
	"member/internal/domain"
	ers "member/internal/lib/error"
	"member/internal/lib/required"
	"member/internal/model"
	"strconv"

	"member/gen_result/pb/member"
	"member/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" `
}

// BindAccount 綁定帳號 -> account bind to UID
func (l *BindAccountLogic) BindAccount(in *member.BindingUserReq) (*member.Response, error) {
	// 驗證資料
	err := required.ValidateAll(l.svcCtx.Validate, &bindLoginUserReq{
		Account: in.GetLoginId(),
	})
	if err != nil {
		return nil, ers.InvalidFormat(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 = strconv.FormatInt(int64(l.svcCtx.SnackFlowGen.Generate()), 10)
	}
	// 先確定有這個Account
	_, err = l.svcCtx.AccountModel.FindOneByAccount(l.ctx, in.GetLoginId())
	if err != nil {
		return nil, ers.ResourceNotFound(fmt.Sprintf("failed to get account : %s ", in.GetLoginId()))
	}

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

	return &member.Response{
		Status: &member.BaseResp{
			Code:    domain.CodeOk.ToString(),
			Message: "success",
			Error:   "",
		},
	}, nil
}