package logic

import (
	"context"

	"godemo/category/category"
	"godemo/file/file"
	"godemo/gallery/gallery"
	"godemo/gallery/internal/svc"

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

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

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

// 图片上传
func (l *UploadImageLogic) UploadImage(in *gallery.UploadImageRequest) (*gallery.UploadImageResponse, error) {
	// 1. 根据 in.CategoryId 查询分类信息，获取分类名称
	getCategoryRpcResp, getCategoryRpcErr := l.svcCtx.CategoryRpc.GetCategory(l.ctx, &category.GetCategoryRequest{
		Id: *in.CategoryId,
	})
	if getCategoryRpcErr != nil {
		return nil, status.Error(codes.Internal, getCategoryRpcErr.Error())
	}

	// 2. 调用 file rpc Upload 接口，上传文件到MinIO
	fileUploadRpcResp, fileUploadRpcErr := l.svcCtx.FileRpc.Upload(l.ctx, &file.UploadRequest{
		Filename: in.FileName,
		Content:  in.FileContent,
		Folder:   getCategoryRpcResp.Category.Name,
	})

	// 3. 图片信息存入数据库

	// 4. 返回接口执行结果
	return &gallery.UploadImageResponse{}, nil
}