package logic

import (
	"context"

	"sundynix-micro-go/app/user/model"
	"sundynix-micro-go/app/user/rpc/internal/svc"
	"sundynix-micro-go/app/user/rpc/user"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
)

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

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

// 根据ID获取用户信息
func (l *GetUserByIdLogic) GetUserById(in *user.GetUserByIdReq) (*user.GetUserByIdResp, error) {
	var u model.SundynixUser
	err := l.svcCtx.DB.Where("id = ?", in.Id).First(&u).Error
	if err != nil {
		if err == gorm.ErrRecordNotFound {
			return nil, status.Error(codes.NotFound, "用户不存在")
		}
		l.Errorf("查询用户失败: %v", err)
		return nil, status.Error(codes.Internal, "查询用户失败")
	}

	return &user.GetUserByIdResp{
		User: convertUserToProto(&u),
	}, nil
}

// convertUserToProto 将GORM模型转换为proto消息
func convertUserToProto(u *model.SundynixUser) *user.UserInfo {
	info := &user.UserInfo{
		Id:         u.ID,
		TenantId:   u.TenantID,
		ClientId:   u.ClientID,
		Name:       u.Name,
		Account:    u.Account,
		NickName:   u.NickName,
		Phone:      u.Phone,
		SessionKey: u.SessionKey,
		UnionId:    u.UnionID,
		OpenId:     u.OpenID,
		SaOpenId:   u.SaOpenID,
		AvatarId:   u.AvatarID,
		Gender:     int32(u.Gender),
		CreatedAt:  u.CreatedAt.Unix(),
		UpdatedAt:  u.UpdatedAt.Unix(),
	}
	if u.LastLoginAt != nil {
		info.LastLoginAt = u.LastLoginAt.Unix()
	}
	return info
}